// ==UserScript== // @name 学习通-随堂测验/章节测试/作业/考试题目一键提取导出pdf/word/txt/markdown格式文档 // @license GPL-3.0 // @version 1.7.20 // @run-at document-start // @description 一键提取学习通作业题目，支持富文本（图文混排）及 Word/PDF/TXT/MD 四种格式导出、按课程任务点自动逐个提取章节测验、题目勾选后按范围导出，答案/错题收集，独立题库区（新建/存取/编辑/手动添加/导入/四种格式导出/题库对比），暗色模式，快捷键，iframe 提取 // @author suyu // @icon http://pan-yz.chaoxing.com/favicon.ico // @match *://*.chaoxing.com/* // @match *://*.edu.cn/* // @require https://unpkg.com/docx@8.5.0/build/index.umd.js // @require https://cdnjs.cloudflare.com/ajax/libs/html2pdf.js/0.10.1/html2pdf.bundle.min.js // @require https://scriptcat.org/lib/668/2.0/TyprMd5.js // @resource XXT_FONT_TABLE https://cdn.ocsjs.com/resources/font/table.json // @grant GM_getResourceText // @grant GM_getValue // @grant GM_setValue // @grant GM_xmlhttpRequest // @grant unsafeWindow // @connect cdn.ocsjs.com // ==/UserScript== (function () { 'use strict'; // ==================== iframe 跨窗口通信 ==================== // 存储从 iframe 通过 postMessage 发来的题目数据。 // 题目页面切换时旧 iframe 可能还会继续发送轮询结果，因此同时记录 // 消息来源和时间，避免顶层面板一直沿用上一个随堂练习的数据。 window.__xxt_iframe_data = null; window.__xxt_iframe_context = null; // 最近一次 iframe 结果的上下文和导航序号不会随 extract() 清空， // 用于区分任务切换时迟到的 iframe 回传。 window.__xxt_last_iframe_context = null; window.__xxt_last_iframe_source = null; window.__xxt_last_navigation_source = null; window.__xxt_navigation_serial = 0; // 页面/任务切换时由顶层窗口设置，负责清空面板中的旧结果 window.__xxt_reset_extraction = null; function currentWindowContext() { let href = '', title = '', frameKey = ''; try { href = window.location.href; } catch (e) {} try { title = document.title || ''; } catch (e) {} try { const frame = window.frameElement; if (frame) { const siblings = frame.parentElement ? Array.from(frame.parentElement.children) : []; frameKey = `${frame.id || ''}|${frame.name || ''}|${frame.getAttribute('src') || ''}|${siblings.indexOf(frame)}`; } } catch (e) {} return { href, title, frameKey }; } function getDirectChildIframes(root = document) { if (!root || !root.querySelectorAll) return []; return Array.from(root.querySelectorAll('iframe')).filter(frame => frame.ownerDocument === root); } function isDirectChildFrameSource(source) { if (!source) return false; return getDirectChildIframes(document).some(frame => { try { return frame.contentWindow === source; } catch (e) { return false; } }); } function relayFrameMessageToParent(message) { const relayContexts = Array.isArray(message.relayContexts) ? [...message.relayContexts] : []; relayContexts.push(currentWindowContext()); try { window.parent.postMessage({ ...message, relayContexts }, '*'); } catch (e) {} } // iframe 消息逐层由直属父窗口转发。每层都会验证来源并保留页面上下文， // 避免切换题目后迟到的 iframe 结果覆盖当前缓存。 window.addEventListener('message', function(e) { if (!e.data || !['xxt-iframe-navigation', 'xxt-iframe-result'].includes(e.data.type)) return; if (!isDirectChildFrameSource(e.source)) return; if (window.top !== window.self) { relayFrameMessageToParent(e.data); return; } if (e.data.type === 'xxt-iframe-navigation') { window.__xxt_navigation_serial = (window.__xxt_navigation_serial || 0) + 1; window.__xxt_last_navigation_source = e.source || null; window.__xxt_last_navigation_context = e.data.context || null; window.__xxt_last_navigation_at = Date.now(); window.__xxt_navigation_started_at = Date.now(); if (window.__xxt_reset_extraction) window.__xxt_reset_extraction(); return; } if (!e.data.data) return; const messageHref = e.data.context && e.data.context.href ? e.data.context.href : ''; const messageSignature = iframeDataSignature(e.data.data); if (window.__xxt_ignore_iframe_signature && messageSignature && messageSignature === window.__xxt_ignore_iframe_signature && Date.now() - (window.__xxt_navigation_started_at || 0) < 6000) { return; } window.__xxt_iframe_data = e.data.data; window.__xxt_last_iframe_source = e.source || null; window.__xxt_iframe_context = { href: messageHref, title: e.data.context && e.data.context.title ? e.data.context.title : '', relayContexts: Array.isArray(e.data.relayContexts) ? e.data.relayContexts : [], receivedAt: Date.now() }; window.__xxt_last_iframe_context = { ...window.__xxt_iframe_context }; window.__xxt_last_iframe_message_at = Date.now(); window.__xxt_last_iframe_signature = messageSignature; }); // 向当前文档下所有 iframe 请求重新提取。跨域 iframe 不能直接读取 DOM， // 但仍可以安全地 postMessage；中间 iframe 会继续向其子 iframe 转发请求。 function relayIframeExtractRequest(message, root) { const frames = (root || document).querySelectorAll('iframe'); frames.forEach(frame => { try { frame.contentWindow.postMessage(message, '*'); } catch (e) {} }); } function requestIframeExtraction(requestId, targetWindows, extra = {}) { const id = requestId || `xxt-${Date.now()}-${Math.random().toString(36).slice(2)}`; const message = { type: 'xxt-request-extract', requestId: id, sentAt: Date.now(), ...extra }; const targets = Array.isArray(targetWindows) ? [...new Set(targetWindows.filter(Boolean))] : []; if (targets.length) { targets.forEach(target => { try { target.postMessage(message, '*'); } catch (e) {} }); } else { relayIframeExtractRequest(message); } return id; } function emptyExtractResult() { return { results: { '单选': [], '多选': [], '填空': [], '判断': [], '简答': [] }, typeOrder: [], wrongCount: 0, hasMyAnswer: false, hasCorrectAnswer: false }; } // ==================== 样式注入 ==================== const css = ` /* ============ 设计变量（浅色） ============ */ #xxt-panel, #xxt-settings-modal, #xxt-history-modal, #xxt-editor-modal, #xxt-bank-modal, #xxt-save-bank-modal, #xxt-batch-modal, #xxt-preview-modal, #xxt-batch-progress-card { --xxt-grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%); --xxt-grad-soft: linear-gradient(135deg, rgba(99,102,241,0.10) 0%, rgba(236,72,153,0.10) 100%); --xxt-accent: #5b3ad8; --xxt-accent-strong: #4a2dc7; --xxt-surface: #ffffff; --xxt-surface-solid: #ffffff; --xxt-border: #e5e7eb; --xxt-shadow: 0 20px 48px -12px rgba(49,46,129,0.22), 0 8px 18px -8px rgba(15,23,42,0.10); --xxt-text: #111827; --xxt-text-soft: #4b5563; --xxt-radius: 18px; } /* 全局字体与渲染优化 */ #xxt-panel, #xxt-settings-modal, #xxt-history-modal, #xxt-editor-modal, #xxt-bank-modal, #xxt-save-bank-modal, #xxt-batch-modal, #xxt-preview-modal, #xxt-batch-progress-card { font-family: "PingFang SC","Microsoft YaHei","微软雅黑",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } /* ===== 固定显示的主面板（毛玻璃） ===== */ #xxt-panel { position: fixed; top: 72px; right: 20px; z-index: 99999; width: min(384px, calc(100vw - 16px)); box-sizing: border-box; background: #ffffff; backdrop-filter: blur(24px) saturate(160%); -webkit-backdrop-filter: blur(24px) saturate(160%); border: 1px solid var(--xxt-border); border-radius: 22px; box-shadow: var(--xxt-shadow); padding: 22px 20px 20px; font-size: 13px; color: var(--xxt-text); max-height: calc(100vh - 16px); overflow-y: auto; } #xxt-panel::-webkit-scrollbar { width: 6px; } #xxt-panel::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #c4b5fd, #f0abfc); border-radius: 6px; border: 1px solid transparent; background-clip: padding-box; } #xxt-panel::-webkit-scrollbar-track { background: transparent; } /* ===== 标题栏 ===== */ #xxt-panel .xxt-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--xxt-border); cursor: move; user-select: none; } #xxt-panel .xxt-header h3 { font-size: 16px; font-weight: 800; color: var(--xxt-text); margin: 0; letter-spacing: 0.3px; background: var(--xxt-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; } #xxt-panel .xxt-bank-entry { width: 100%; min-height: 68px; margin: -3px 0 14px; padding: 10px 13px; border: 1px solid rgba(124,92,240,0.24); border-radius: 16px; background: var(--xxt-grad-soft); color: var(--xxt-text); cursor: pointer; display: flex; align-items: center; gap: 11px; text-align: left; font-family: inherit; transition: all 0.24s cubic-bezier(.4,0,.2,1); box-shadow: 0 6px 16px -11px rgba(91,58,216,0.45); } #xxt-panel .xxt-bank-entry:hover { border-color: rgba(124,92,240,0.52); transform: translateY(-2px); box-shadow: 0 13px 24px -12px rgba(91,58,216,0.55); filter: saturate(1.08); } #xxt-panel .xxt-bank-entry:active { transform: translateY(0) scale(0.99); } #xxt-panel .xxt-bank-entry:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(124,92,240,0.20); } #xxt-panel .xxt-bank-entry-icon { width: 42px; height: 42px; flex: 0 0 42px; border-radius: 13px; display: flex; align-items: center; justify-content: center; font-size: 22px; background: #fff; box-shadow: 0 6px 12px -8px rgba(91,58,216,0.55); } #xxt-panel .xxt-bank-entry-copy { display: flex; flex: 1; min-width: 0; flex-direction: column; gap: 2px; } #xxt-panel .xxt-bank-entry-copy strong { font-size: 14px; line-height: 1.3; font-weight: 800; color: var(--xxt-accent-strong); } #xxt-panel .xxt-bank-entry-copy small { font-size: 11px; line-height: 1.4; color: var(--xxt-text-soft); font-weight: 600; } #xxt-panel .xxt-bank-entry-arrow { font-size: 24px; line-height: 1; color: var(--xxt-accent); transition: transform 0.22s ease; } #xxt-panel .xxt-bank-entry:hover .xxt-bank-entry-arrow { transform: translateX(3px); } /* ===== 星夜题库资源入口 ===== */ #xxt-panel .xxt-tiku-promo { margin: 0 0 10px; padding: 9px 10px; border: 1px solid rgba(14,165,233,.28); border-radius: 14px; background: linear-gradient(135deg, rgba(14,165,233,.09), rgba(16,185,129,.08)); box-shadow: 0 7px 18px -14px rgba(14,116,144,.52); } #xxt-panel .xxt-tiku-promo-top { display:flex; align-items:center; gap:8px; min-width:0; } #xxt-panel .xxt-tiku-promo-icon { width:30px; height:30px; flex:0 0 30px; border-radius:10px; display:grid; place-items:center; background:#fff; color:#0284c7; font-size:16px; box-shadow:0 5px 11px -8px rgba(2,132,199,.65); } #xxt-panel .xxt-tiku-promo-copy { display:flex; flex:1; min-width:0; flex-direction:column; gap:1px; } #xxt-panel .xxt-tiku-promo-copy strong { color:#0369a1; font-size:12.5px; line-height:1.3; font-weight:800; } #xxt-panel .xxt-tiku-promo-copy small { color:#52708a; font-size:10px; line-height:1.35; font-weight:600; } #xxt-panel .xxt-tiku-promo-actions { display:flex; gap:6px; margin-top:8px; } #xxt-panel .xxt-tiku-promo-link { display:inline-flex; align-items:center; justify-content:center; min-height:27px; flex:1; padding:0 8px; border:1px solid rgba(2,132,199,.52); border-radius:9px; color:#0369a1; background:rgba(255,255,255,.68); text-decoration:none; font-size:10.5px; font-weight:800; line-height:1; transition:all .2s ease; } #xxt-panel .xxt-tiku-promo-link:hover { transform:translateY(-1px); background:#0284c7; border-color:#0284c7; color:#fff; box-shadow:0 7px 14px -8px rgba(2,132,199,.68); } #xxt-panel .xxt-tiku-promo-link:focus-visible { outline:none; box-shadow:0 0 0 3px rgba(14,165,233,.24); } /* ===== 提取按钮（渐变主按钮） ===== */ #xxt-panel .xxt-btn-extract { display: block; width: 100%; padding: 13px; border: none; border-radius: 14px; font-size: 14.5px; font-weight: 700; cursor: pointer; margin-bottom: 12px; transition: all 0.28s cubic-bezier(.4,0,.2,1); background: var(--xxt-grad); color: #fff; box-shadow: 0 10px 22px -8px rgba(124,92,240,0.55); letter-spacing: 1.5px; } #xxt-panel .xxt-btn-extract:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -8px rgba(124,92,240,0.7); filter: brightness(1.05); } #xxt-panel .xxt-btn-extract:active { transform: translateY(0) scale(0.98); } #xxt-panel .xxt-btn-extract:disabled { background: linear-gradient(135deg,#cbd5e1,#cbd5e1); box-shadow: none; cursor: not-allowed; transform: none; filter: none; } #xxt-panel .xxt-btn-batch { width: 100%; padding: 10px 12px; margin: -3px 0 12px; border-radius: 13px; border: 1.5px dashed rgba(91,58,216,.54); background: rgba(124,92,240,.055); color: var(--xxt-accent-strong); cursor: pointer; font: 700 12.5px/1.35 inherit; transition: all .22s ease; } #xxt-panel .xxt-btn-batch:hover { background: var(--xxt-grad-soft); border-style: solid; transform: translateY(-1px); box-shadow: 0 9px 18px -12px rgba(91,58,216,.6); } #xxt-panel .xxt-btn-batch:disabled { cursor: not-allowed; opacity: .52; transform: none; box-shadow: none; } /* ===== 整门课提取进度（主面板内） ===== */ #xxt-panel .xxt-batch-live { margin:-2px 0 12px; padding:11px 12px; border:1px solid rgba(91,58,216,.32); border-radius:14px; background:var(--xxt-grad-soft); color:var(--xxt-text); box-sizing:border-box; } #xxt-panel .xxt-batch-live-head { display:flex; align-items:center; justify-content:space-between; gap:8px; } #xxt-panel .xxt-batch-live-title { font-size:12.5px; font-weight:800; } #xxt-panel .xxt-batch-live-state { flex:0 0 auto; padding:3px 7px; border-radius:99px; background:rgba(91,58,216,.12); color:var(--xxt-accent-strong); font-size:10.5px; font-weight:800; } #xxt-panel .xxt-batch-live-state.is-paused { background:rgba(245,158,11,.14); color:#b45309; } #xxt-panel .xxt-batch-live-state.is-done { background:rgba(16,185,129,.14); color:#047857; } #xxt-panel .xxt-batch-live-current { margin-top:8px; color:var(--xxt-accent-strong); font-size:12px; font-weight:800; line-height:1.45; } #xxt-panel .xxt-batch-live-detail { margin-top:3px; color:var(--xxt-text-soft); font-size:10.8px; line-height:1.45; } #xxt-panel .xxt-batch-live-bar { height:6px; margin:9px 0 10px; overflow:hidden; border-radius:99px; background:rgba(91,58,216,.16); } #xxt-panel .xxt-batch-live-bar > i { display:block; width:0; height:100%; border-radius:inherit; background:var(--xxt-grad); transition:width .25s ease; } #xxt-panel .xxt-batch-live-actions { display:flex; flex-wrap:wrap; gap:7px; } #xxt-panel .xxt-batch-live-actions button { flex:1 1 92px; border:1px solid var(--xxt-accent); border-radius:9px; padding:7px 9px; background:#fff; color:var(--xxt-accent-strong); cursor:pointer; font:800 11px/1.3 inherit; } #xxt-panel .xxt-batch-live-actions button:hover { border-color:transparent; background:var(--xxt-grad); color:#fff; } #xxt-panel .xxt-batch-live-actions button[data-batch-live-stop] { border-color:#ef4444; color:#dc2626; } #xxt-panel .xxt-batch-live-actions button[data-batch-live-stop]:hover { background:#ef4444; } #xxt-panel .xxt-batch-live-actions button:disabled { opacity:.5; cursor:not-allowed; } #xxt-panel .xxt-batch-live-log { margin-top:9px; border-top:1px solid rgba(91,58,216,.18); padding-top:8px; } #xxt-panel .xxt-batch-live-log summary { color:var(--xxt-text-soft); cursor:pointer; font-size:11px; font-weight:800; list-style:none; user-select:none; } #xxt-panel .xxt-batch-live-log summary::-webkit-details-marker { display:none; } #xxt-panel .xxt-batch-live-log summary::before { content:'›'; display:inline-block; margin-right:5px; color:var(--xxt-accent); font-size:14px; line-height:0; transform:rotate(0deg); transition:transform .18s ease; } #xxt-panel .xxt-batch-live-log[open] summary::before { transform:rotate(90deg); } #xxt-panel .xxt-batch-live-log-list { max-height:134px; margin-top:7px; overflow:auto; padding-right:3px; } #xxt-panel .xxt-batch-log-item { display:grid; grid-template-columns:auto 1fr; gap:6px; padding:4px 0; color:var(--xxt-text-soft); font-size:10.5px; line-height:1.45; } #xxt-panel .xxt-batch-log-item + .xxt-batch-log-item { border-top:1px dashed rgba(91,58,216,.13); } #xxt-panel .xxt-batch-log-time { color:#9ca3af; font-variant-numeric:tabular-nums; white-space:nowrap; } #xxt-panel .xxt-batch-log-item.is-warn { color:#b45309; } #xxt-panel .xxt-batch-log-item.is-error { color:#dc2626; } /* ===== 状态提示（药丸标签） ===== */ #xxt-panel .xxt-status { text-align: center; padding: 10px 14px; font-size: 12.5px; margin-bottom: 12px; border-radius: 12px; font-weight: 600; letter-spacing: 0.3px; } .xxt-status-ok { color: #047857; background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.25); } .xxt-status-loading { color: #2563eb; background: rgba(59,130,246,0.10); border: 1px solid rgba(59,130,246,0.22); } .xxt-status-err { color: #dc2626; background: rgba(239,68,68,0.10); border: 1px solid rgba(239,68,68,0.22); } .xxt-status-warn { color: #b45309; background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.25); } /* ===== 统计卡片（渐变描边） ===== */ #xxt-panel .xxt-stat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; margin: 14px 0 16px; } #xxt-panel .xxt-stat-item { text-align: center; padding: 12px 4px 9px; background: var(--xxt-surface-solid); border-radius: 14px; border: 1px solid var(--xxt-border); box-shadow: 0 4px 12px -6px rgba(15,23,42,0.12); transition: transform 0.25s ease, box-shadow 0.25s ease; } #xxt-panel .xxt-stat-item:hover { transform: translateY(-3px); box-shadow: 0 10px 20px -8px rgba(124,92,240,0.4); } #xxt-panel .xxt-stat-item .xxt-num { font-size: 23px; font-weight: 800; line-height: 1.15; background: var(--xxt-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; } #xxt-panel .xxt-stat-item .xxt-label { font-size: 11px; color: #4b5563; margin-top: 3px; font-weight: 600; } /* ===== 分隔区块（柔和卡片） ===== */ #xxt-panel .xxt-section { background: var(--xxt-surface-solid); border-radius: 16px; padding: 14px 16px; border: 1px solid var(--xxt-border); margin-top: 12px; box-shadow: 0 4px 14px -8px rgba(15,23,42,0.08); } /* ===== 文件名输入 ===== */ #xxt-panel .xxt-filename { width: 100%; padding: 11px 14px; border: 1.5px solid var(--xxt-border); border-radius: 12px; font-size: 12.5px; color: var(--xxt-text); box-sizing: border-box; outline: none; transition: all 0.22s ease; background: #fff; } #xxt-panel .xxt-filename::placeholder { color: #b6bcc8; } #xxt-panel .xxt-filename:focus { border-color: var(--xxt-accent); box-shadow: 0 0 0 4px rgba(124,92,240,0.14); } /* ===== 格式选择（胶囊分段） ===== */ #xxt-panel .xxt-format-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 12px; font-size: 12.5px; color: #4b5563; font-weight: 600; } #xxt-panel .xxt-format-row label { cursor: pointer; display: inline-flex; align-items: center; gap: 5px; padding: 6px 16px; border-radius: 20px; border: 1.5px solid var(--xxt-border); background: #fff; transition: all 0.22s cubic-bezier(.4,0,.2,1); font-size: 12px; } #xxt-panel .xxt-format-row label:hover { border-color: rgba(124,92,240,0.4); transform: translateY(-1px); } #xxt-panel .xxt-format-row input[type="radio"] { width: 14px; height: 14px; cursor: pointer; accent-color: var(--xxt-accent); } #xxt-panel .xxt-format-row label:has(input:checked) { color: #fff; border-color: transparent; background: var(--xxt-grad); box-shadow: 0 6px 14px -6px rgba(124,92,240,0.6); } /* ===== 操作按钮组 ===== */ #xxt-panel .xxt-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; } #xxt-panel .xxt-actions .xxt-btn { padding: 11px; border-radius: 14px; font-size: 13px; font-weight: 700; transition: all 0.24s ease; } #xxt-panel .xxt-selection-summary { margin: -2px 0 11px; padding: 8px 10px; border-radius: 10px; background: rgba(15,23,42,.035); color: var(--xxt-text-soft); font-size: 11px; font-weight: 700; } #xxt-panel .xxt-selection-summary.xxt-selection-limited { background: rgba(124,92,240,.10); color: var(--xxt-accent-strong); } .xxt-btn-outline { background: #fff; color: var(--xxt-accent-strong); border: 1.5px solid var(--xxt-accent) !important; } .xxt-btn-outline:hover { background: var(--xxt-grad); color: #fff; border-color: transparent !important; box-shadow: 0 8px 18px -8px rgba(124,92,240,0.6); transform: translateY(-1px); } /* ===== 开关选项（复选框） ===== */ #xxt-panel .xxt-toggle { display: flex; align-items: flex-start; gap: 11px; margin-top: 12px; padding: 12px 14px; border-radius: 14px; background: var(--xxt-surface-solid); border: 1px solid var(--xxt-border); cursor: pointer; transition: all 0.22s ease; } #xxt-panel .xxt-toggle:hover { border-color: rgba(124,92,240,0.35); transform: translateX(2px); } #xxt-panel .xxt-toggle .xxt-checkbox-wrap { flex-shrink: 0; width: 20px; height: 20px; margin-top: 1px; border: 2px solid #cbd5e1; border-radius: 6px; display: flex; align-items: center; justify-content: center; transition: all 0.22s cubic-bezier(.34,1.56,.64,1); background: #fff; } #xxt-panel .xxt-toggle input { display: none; } #xxt-panel .xxt-toggle input:checked + .xxt-checkbox-wrap { background: var(--xxt-grad); border-color: transparent; box-shadow: 0 4px 10px -3px rgba(124,92,240,0.6); } #xxt-panel .xxt-toggle input:checked + .xxt-checkbox-wrap::after { content: ''; width: 5px; height: 10px; border: solid #fff; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg) translateY(-1px); } #xxt-panel .xxt-toggle span { font-size: 12.5px; color: #1f2937; line-height: 1.5; font-weight: 600; } /* 题库导入勾选时禁用打乱/答案选项，不隐藏 */ #xxt-panel .xxt-toggle.xxt-disabled { opacity: 0.45; pointer-events: none; user-select: none; } /* ===== 错题提示 ===== */ #xxt-panel .xxt-wrong-hint { font-size: 11.5px; color: #dc2626; margin-top: 10px; padding: 10px 14px; background: rgba(239,68,68,0.08); border-radius: 12px; border: 1px solid rgba(239,68,68,0.2); font-weight: 600; animation: xxt-shake 0.4s ease-in-out; } @keyframes xxt-shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-3px); } 50% { transform: translateX(3px); } 75% { transform: translateX(-2px); } } .xxt-hidden { display: none !important; } /* ===== QQ 群反馈入口 ===== */ #xxt-panel .xxt-feedback-link { display: inline-flex; align-items: center; justify-content: center; height: 28px; padding: 0 8px; border-radius: 9px; background: linear-gradient(135deg, #12b7f5, #1286e8); color: #fff !important; text-decoration: none; font-size: 11px; font-weight: 700; white-space: nowrap; box-shadow: 0 4px 10px -5px rgba(18,134,232,0.75); transition: all 0.22s ease; } #xxt-panel .xxt-feedback-link:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 7px 14px -6px rgba(18,134,232,0.85); } #xxt-panel .xxt-feedback-link:active { transform: translateY(0) scale(0.97); } /* ===== 设置齿轮图标 ===== */ #xxt-panel .xxt-settings-btn { width: 28px; height: 28px; border: none; background: rgba(15,23,42,0.05); border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.25s ease; margin-right: 4px; color: #9ca3af; padding: 0; } #xxt-panel .xxt-settings-btn:hover { background: rgba(124,92,240,0.14); color: var(--xxt-accent); transform: rotate(40deg); } #xxt-panel .xxt-settings-btn svg { width: 16px; height: 16px; fill: currentColor; } /* 所有脚本浮窗都可从标题栏拖动；表单控件和关闭按钮仍保持正常点击。 */ #xxt-panel.xxt-draggable .xxt-header, #xxt-settings-modal .xxt-draggable .xxt-modal-header, #xxt-history-modal .xxt-draggable .xxt-modal-header, #xxt-batch-modal .xxt-draggable .xxt-modal-header, #xxt-bank-modal .xxt-draggable .xxt-modal-header, #xxt-save-bank-modal .xxt-draggable .xxt-modal-header, #xxt-preview-modal .xxt-draggable .xxt-modal-header, #xxt-editor-modal .xxt-draggable .xxt-modal-header, #xxt-batch-progress-card.xxt-draggable .xxt-batch-card-head { cursor: grab; touch-action: none; user-select: none; } .xxt-dragging, .xxt-dragging * { cursor: grabbing !important; } /* ===== 设置弹窗遮罩 ===== */ #xxt-settings-modal { position: fixed; inset: 0; z-index: 100000; background: rgba(15,23,42,0.42); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.28s ease; } #xxt-settings-modal.open { opacity: 1; pointer-events: auto; } /* ===== 设置弹窗主体 ===== */ #xxt-settings-modal .xxt-modal-box { background: #ffffff; border: 1px solid var(--xxt-border); border-radius: 22px; width: 348px; padding: 26px; box-shadow: var(--xxt-shadow); transform: translateY(16px) scale(0.97); transition: transform 0.3s cubic-bezier(.16,1,.3,1); color: var(--xxt-text); } #xxt-settings-modal.open .xxt-modal-box { transform: translateY(0) scale(1); } #xxt-settings-modal .xxt-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--xxt-border); } #xxt-settings-modal .xxt-modal-header h3 { font-size: 16px; font-weight: 800; color: var(--xxt-text); margin: 0; background: var(--xxt-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; } #xxt-settings-modal .xxt-modal-close { width: 28px; height: 28px; border: none; background: rgba(15,23,42,0.05); border-radius: 50%; font-size: 15px; color: #9ca3af; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.22s ease; } #xxt-settings-modal .xxt-modal-close:hover { background: #ef4444; color: #fff; transform: rotate(90deg); } /* ===== 设置弹窗内容行 ===== */ #xxt-settings-modal .xxt-setting-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-radius: 14px; background: var(--xxt-surface-solid); border: 1px solid var(--xxt-border); margin-bottom: 10px; font-size: 13px; color: #1f2937; font-weight: 600; box-shadow: 0 3px 10px -6px rgba(15,23,42,0.08); } #xxt-settings-modal .xxt-setting-label { font-weight: 600; white-space: nowrap; } #xxt-settings-modal .xxt-theme-group { display: flex; gap: 6px; } #xxt-settings-modal .xxt-theme-btn { padding: 5px 14px; border-radius: 18px; border: 1.5px solid var(--xxt-border); background: #fff; color: var(--xxt-text-soft); font-size: 11px; cursor: pointer; transition: all 0.22s ease; font-weight: 600; } #xxt-settings-modal .xxt-theme-btn:hover { border-color: rgba(124,92,240,0.4); color: var(--xxt-accent); } #xxt-settings-modal .xxt-theme-btn.active { background: var(--xxt-grad); color: #fff; border-color: transparent; box-shadow: 0 6px 14px -6px rgba(124,92,240,0.6); } #xxt-settings-modal .xxt-shortcut-display { display: flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 10px; background: rgba(124,92,240,0.08); border: 1px solid rgba(124,92,240,0.2); cursor: pointer; transition: all 0.22s ease; font-size: 12px; color: #4b5563; } #xxt-settings-modal .xxt-shortcut-display:hover { border-color: var(--xxt-accent); } #xxt-settings-modal .xxt-shortcut-keys { color: var(--xxt-accent-strong); font-weight: 700; font-family: ui-monospace, monospace; padding: 2px 8px; background: rgba(124,92,240,0.12); border-radius: 6px; } #xxt-settings-modal .xxt-shortcut-hint { color: #9ca3af; font-size: 11px; } /* ===== 历史记录弹窗 ===== */ #xxt-history-modal { position: fixed; inset: 0; z-index: 100001; background: rgba(15,23,42,0.42); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.28s ease; } #xxt-history-modal.open { opacity: 1; pointer-events: auto; } #xxt-history-modal .xxt-modal-box { background: #ffffff; border: 1px solid var(--xxt-border); border-radius: 22px; width: 420px; max-height: 540px; padding: 26px; box-shadow: var(--xxt-shadow); transform: translateY(16px) scale(0.97); transition: transform 0.3s cubic-bezier(.16,1,.3,1); display: flex; flex-direction: column; color: var(--xxt-text); } #xxt-history-modal.open .xxt-modal-box { transform: translateY(0) scale(1); } #xxt-history-modal .xxt-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--xxt-border); flex-shrink: 0; } #xxt-history-modal .xxt-modal-header h3 { font-size: 16px; font-weight: 800; color: var(--xxt-text); margin: 0; background: var(--xxt-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; } #xxt-history-modal .xxt-modal-close { width: 28px; height: 28px; border: none; background: rgba(15,23,42,0.05); border-radius: 50%; font-size: 15px; color: #9ca3af; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.22s ease; } #xxt-history-modal .xxt-modal-close:hover { background: #ef4444; color: #fff; transform: rotate(90deg); } #xxt-history-modal .xxt-history-list { flex: 1; overflow-y: auto; } #xxt-history-modal .xxt-history-list::-webkit-scrollbar { width: 6px; } #xxt-history-modal .xxt-history-list::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #c4b5fd, #f0abfc); border-radius: 6px; } #xxt-history-modal .xxt-history-empty { text-align: center; color: #aab1c0; padding: 48px 0; font-size: 13px; font-weight: 500; } #xxt-history-modal .xxt-history-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-radius: 16px; background: var(--xxt-surface-solid); border: 1px solid var(--xxt-border); margin-bottom: 10px; transition: all 0.22s ease; cursor: pointer; box-shadow: 0 3px 10px -6px rgba(15,23,42,0.08); } #xxt-history-modal .xxt-history-item:hover { border-color: rgba(124,92,240,0.4); transform: translateY(-2px); box-shadow: 0 10px 22px -10px rgba(124,92,240,0.45); } #xxt-history-modal .xxt-history-info { flex: 1; min-width: 0; } #xxt-history-modal .xxt-history-title { font-size: 13px; font-weight: 700; color: #374151; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } #xxt-history-modal .xxt-history-meta { font-size: 11px; color: #9ca3af; margin-top: 4px; font-weight: 500; } #xxt-history-modal .xxt-history-delete { width: 30px; height: 30px; border: none; background: transparent; border-radius: 50%; cursor: pointer; color: #cbd5e1; font-size: 16px; display: flex; align-items: center; justify-content: center; transition: all 0.22s ease; flex-shrink: 0; margin-left: 8px; } #xxt-history-modal .xxt-history-delete:hover { background: rgba(239,68,68,0.12); color: #ef4444; } #xxt-history-modal .xxt-history-download { width: 30px; height: 30px; border: none; background: transparent; border-radius: 50%; cursor: pointer; color: #cbd5e1; font-size: 14px; display: flex; align-items: center; justify-content: center; transition: all 0.22s ease; flex-shrink: 0; margin-left: 4px; } #xxt-history-modal .xxt-history-download:hover { background: rgba(124,92,240,0.14); color: var(--xxt-accent); } /* ===== 整门课章节测验批量提取 ===== */ #xxt-batch-modal { position:fixed; inset:0; z-index:100006; background:rgba(15,23,42,.42); backdrop-filter:blur(4px); display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity .28s ease; } #xxt-batch-modal.open { opacity:1; pointer-events:auto; } #xxt-batch-modal .xxt-batch-box { width:min(620px,94vw); max-height:88vh; padding:22px; box-sizing:border-box; background:#fff; border:1px solid var(--xxt-border); border-radius:22px; box-shadow:var(--xxt-shadow); color:var(--xxt-text); display:flex; flex-direction:column; transform:translateY(16px) scale(.97); transition:transform .3s cubic-bezier(.16,1,.3,1); } #xxt-batch-modal.open .xxt-batch-box { transform:translateY(0) scale(1); } #xxt-batch-modal .xxt-modal-header { display:flex; align-items:center; justify-content:space-between; padding-bottom:14px; margin-bottom:12px; border-bottom:1px solid var(--xxt-border); } #xxt-batch-modal .xxt-modal-header h3 { margin:0; font-size:16px; font-weight:800; color:var(--xxt-text); } #xxt-batch-modal .xxt-modal-close { width:28px; height:28px; border:0; border-radius:50%; background:rgba(15,23,42,.05); color:#9ca3af; cursor:pointer; font-size:15px; } #xxt-batch-modal .xxt-modal-close:hover { background:#ef4444; color:#fff; } #xxt-batch-modal .xxt-batch-note { padding:10px 12px; margin-bottom:11px; border-radius:11px; background:var(--xxt-grad-soft); color:var(--xxt-text-soft); font-size:12px; line-height:1.6; } #xxt-batch-modal .xxt-batch-toolbar { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:10px; } #xxt-batch-modal .xxt-batch-toolbar button, #xxt-batch-modal .xxt-batch-actions button { border:1px solid var(--xxt-accent); border-radius:9px; padding:8px 11px; background:#fff; color:var(--xxt-accent-strong); cursor:pointer; font:700 12px/1.35 inherit; } #xxt-batch-modal .xxt-batch-toolbar button:hover, #xxt-batch-modal .xxt-batch-actions button:hover { background:var(--xxt-grad); color:#fff; border-color:transparent; } #xxt-batch-modal .xxt-batch-toolbar button:disabled, #xxt-batch-modal .xxt-batch-actions button:disabled { cursor:not-allowed; opacity:.48; } #xxt-batch-modal .xxt-batch-list { overflow:auto; min-height:110px; max-height:46vh; padding:2px 4px 6px 0; } #xxt-batch-modal .xxt-batch-empty { padding:32px 10px; color:#9ca3af; text-align:center; font-size:12px; line-height:1.7; } #xxt-batch-modal .xxt-batch-item { display:flex; gap:10px; align-items:center; padding:10px 11px; margin-bottom:7px; border:1px solid var(--xxt-border); border-radius:12px; background:var(--xxt-surface-solid); transition:all .2s ease; } #xxt-batch-modal .xxt-batch-item:hover { border-color:rgba(124,92,240,.42); } #xxt-batch-modal .xxt-batch-item input { width:16px; height:16px; flex:0 0 auto; accent-color:var(--xxt-accent); cursor:pointer; } #xxt-batch-modal .xxt-batch-item-main { min-width:0; flex:1; } #xxt-batch-modal .xxt-batch-item-title { color:var(--xxt-text); font-size:12.5px; line-height:1.45; font-weight:700; } #xxt-batch-modal .xxt-batch-item-meta { margin-top:3px; color:#9ca3af; font-size:10.5px; line-height:1.35; } #xxt-batch-modal .xxt-batch-item-state { flex:0 0 auto; color:#9ca3af; font-size:11px; font-weight:700; } #xxt-batch-modal .xxt-batch-item.is-current { border-color:rgba(124,92,240,.6); background:var(--xxt-grad-soft); } #xxt-batch-modal .xxt-batch-item.is-current .xxt-batch-item-state { color:var(--xxt-accent-strong); } #xxt-batch-modal .xxt-batch-item.is-done { border-color:rgba(16,185,129,.32); } #xxt-batch-modal .xxt-batch-item.is-done .xxt-batch-item-state { color:#047857; } #xxt-batch-modal .xxt-batch-item.is-failed { border-color:rgba(245,158,11,.38); } #xxt-batch-modal .xxt-batch-item.is-failed .xxt-batch-item-state { color:#b45309; } #xxt-batch-modal .xxt-batch-actions { display:flex; align-items:center; justify-content:space-between; gap:10px; padding-top:13px; margin-top:5px; border-top:1px solid var(--xxt-border); } #xxt-batch-modal .xxt-batch-actions .xxt-batch-stop { border-color:#ef4444; color:#dc2626; } #xxt-batch-modal .xxt-batch-actions .xxt-batch-stop:hover { background:#ef4444; color:#fff; } #xxt-batch-modal .xxt-batch-progress { flex:1; min-width:0; color:var(--xxt-text-soft); font-size:11px; line-height:1.45; } /* 批量运行时不遮挡学习通页面：进度固定在右侧，用户仍可观察题目加载。 */ #xxt-batch-progress-card { position:fixed; top:148px; right:18px; z-index:100007; width:min(310px,calc(100vw - 36px)); box-sizing:border-box; padding:14px 15px; border:1px solid rgba(124,92,240,.35); border-radius:16px; background:rgba(255,255,255,.96); backdrop-filter:blur(18px); box-shadow:0 16px 38px rgba(49,46,129,.20); color:var(--xxt-text); display:none; } #xxt-batch-progress-card.open { display:block; } #xxt-batch-progress-card .xxt-batch-card-head { display:flex; align-items:center; justify-content:space-between; gap:8px; margin-bottom:8px; } #xxt-batch-progress-card .xxt-batch-card-title { font-size:13px; font-weight:800; } #xxt-batch-progress-card .xxt-batch-card-close { width:24px; height:24px; border:0; border-radius:50%; background:rgba(15,23,42,.06); color:#9ca3af; cursor:pointer; } #xxt-batch-progress-card .xxt-batch-card-note { padding:8px 9px; margin-bottom:9px; border-radius:9px; background:var(--xxt-grad-soft); color:var(--xxt-text-soft); font-size:11px; line-height:1.5; } #xxt-batch-progress-card .xxt-batch-card-current { color:var(--xxt-accent-strong); font-size:12px; font-weight:700; line-height:1.45; word-break:break-word; } #xxt-batch-progress-card .xxt-batch-card-detail { margin-top:4px; color:var(--xxt-text-soft); font-size:11px; line-height:1.45; } #xxt-batch-progress-card .xxt-batch-card-bar { height:6px; margin:10px 0 8px; overflow:hidden; border-radius:99px; background:#ede9fe; } #xxt-batch-progress-card .xxt-batch-card-bar > i { display:block; width:0; height:100%; border-radius:inherit; background:var(--xxt-grad); transition:width .25s ease; } #xxt-batch-progress-card .xxt-batch-card-actions { display:flex; justify-content:flex-end; gap:8px; } #xxt-batch-progress-card button[data-batch-card-stop] { border:1px solid #ef4444; border-radius:8px; padding:6px 10px; background:#fff; color:#dc2626; cursor:pointer; font:700 11px/1.3 inherit; } #xxt-batch-progress-card button[data-batch-card-stop]:hover { background:#ef4444; color:#fff; } [data-xxt-theme="dark"] #xxt-batch-progress-card { background:rgba(30,30,46,.96); border-color:rgba(167,139,250,.45); } [data-xxt-theme="dark"] #xxt-batch-progress-card .xxt-batch-card-close { background:rgba(205,214,244,.08); color:#a6adc8; } [data-xxt-theme="dark"] #xxt-batch-progress-card button[data-batch-card-stop] { background:#181825; color:#f87171; border-color:#f87171; } /* ===== 题库区弹窗 ===== */ #xxt-bank-modal { position: fixed; inset: 0; z-index: 100003; background: rgba(15,23,42,0.42); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .28s ease; } #xxt-bank-modal.open { opacity: 1; pointer-events: auto; } #xxt-bank-modal .xxt-bank-box { background:#fff; border:1px solid var(--xxt-border); border-radius:22px; width:min(980px,94vw); max-height:90vh; padding:22px; box-shadow:var(--xxt-shadow); color:var(--xxt-text); transform:translateY(16px) scale(.97); transition:transform .3s cubic-bezier(.16,1,.3,1); display:flex; flex-direction:column; } #xxt-bank-modal.open .xxt-bank-box { transform:translateY(0) scale(1); } #xxt-bank-modal .xxt-modal-header { display:flex; align-items:center; justify-content:space-between; padding-bottom:14px; margin-bottom:12px; border-bottom:1px solid var(--xxt-border); } #xxt-bank-modal .xxt-modal-header h3 { margin:0; font-size:16px; font-weight:800; color:var(--xxt-text); } #xxt-bank-modal .xxt-modal-close { width:28px; height:28px; border:0; border-radius:50%; background:rgba(15,23,42,.05); color:#9ca3af; cursor:pointer; font-size:15px; } #xxt-bank-modal .xxt-modal-close:hover { background:#ef4444; color:#fff; } #xxt-bank-modal .xxt-bank-toolbar { display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-bottom:12px; } #xxt-bank-modal select, #xxt-bank-modal input[type="text"], #xxt-bank-modal input[type="number"] { box-sizing:border-box; border:1px solid var(--xxt-border); border-radius:9px; padding:8px 10px; background:#fff; color:var(--xxt-text); font:12px/1.4 inherit; } #xxt-bank-modal select { flex:1 1 220px; min-width:180px; } #xxt-bank-modal .xxt-bank-btn { border:1px solid var(--xxt-accent); background:#fff; color:var(--xxt-accent-strong); border-radius:9px; padding:8px 11px; cursor:pointer; font-size:12px; font-weight:700; } #xxt-bank-modal .xxt-bank-btn:hover { background:var(--xxt-grad); color:#fff; border-color:transparent; } #xxt-bank-modal .xxt-bank-btn.xxt-danger { border-color:#ef4444; color:#dc2626; } #xxt-bank-modal .xxt-bank-btn.xxt-danger:hover { background:#ef4444; color:#fff; } #xxt-bank-modal .xxt-bank-info { padding:10px 12px; border-radius:11px; background:var(--xxt-grad-soft); color:var(--xxt-text-soft); font-size:12px; margin-bottom:10px; } #xxt-bank-modal .xxt-bank-search { display:flex; gap:8px; margin-bottom:10px; } #xxt-bank-modal .xxt-bank-search input { flex:1; } #xxt-bank-modal .xxt-bank-list { overflow:auto; min-height:120px; max-height:52vh; padding:2px 4px 8px 0; } #xxt-bank-modal .xxt-bank-type-group { margin:0 0 15px; } #xxt-bank-modal .xxt-bank-type-head { display:flex; align-items:baseline; justify-content:space-between; gap:10px; padding:7px 3px 8px; margin-bottom:8px; border-bottom:1px solid var(--xxt-border); } #xxt-bank-modal .xxt-bank-type-title { color:var(--xxt-accent-strong); font-size:14px; font-weight:800; } #xxt-bank-modal .xxt-bank-type-count { color:var(--xxt-text-soft); font-size:11px; white-space:nowrap; } #xxt-bank-modal .xxt-bank-card { border:1px solid var(--xxt-border); border-radius:13px; padding:11px 12px; margin-bottom:8px; background:var(--xxt-surface-solid); } #xxt-bank-modal .xxt-bank-card-head { display:flex; justify-content:space-between; gap:8px; align-items:center; margin-bottom:8px; } #xxt-bank-modal .xxt-bank-card-number { display:inline-flex; align-items:center; min-height:22px; padding:0 8px; border-radius:999px; background:var(--xxt-grad-soft); color:var(--xxt-accent-strong); font-size:11px; font-weight:800; } #xxt-bank-modal .xxt-bank-card-meta { color:var(--xxt-text-soft); font-size:11px; } #xxt-bank-modal .xxt-bank-question-stem { color:var(--xxt-text); font-size:13px; font-weight:700; line-height:1.65; white-space:normal; overflow-wrap:anywhere; } #xxt-bank-modal .xxt-bank-options { display:grid; gap:5px; margin-top:9px; padding:8px 9px; border-radius:9px; background:rgba(91,58,216,.055); } #xxt-bank-modal .xxt-bank-options-label { color:var(--xxt-text-soft); font-size:10px; font-weight:800; letter-spacing:.04em; } #xxt-bank-modal .xxt-bank-option { display:grid; grid-template-columns:26px minmax(0,1fr); gap:5px; color:var(--xxt-text); font-size:12px; line-height:1.6; overflow-wrap:anywhere; } #xxt-bank-modal .xxt-bank-option-letter { color:var(--xxt-accent-strong); font-weight:800; } #xxt-bank-modal .xxt-bank-option-text { min-width:0; } #xxt-bank-modal .xxt-bank-no-options { margin-top:9px; color:var(--xxt-text-soft); font-size:11px; } #xxt-bank-modal .xxt-bank-answer { display:grid; grid-template-columns:38px minmax(0,1fr); gap:7px; align-items:start; margin-top:9px; padding:8px 9px; border:1px solid rgba(16,185,129,.28); border-radius:9px; background:rgba(16,185,129,.08); color:#047857; font-size:12px; line-height:1.6; overflow-wrap:anywhere; } #xxt-bank-modal .xxt-bank-answer-label { font-weight:800; } #xxt-bank-modal .xxt-bank-answer-value { min-width:0; font-weight:700; } #xxt-bank-modal .xxt-bank-muted { color:var(--xxt-text-soft); font-weight:500; } #xxt-bank-modal .xxt-bank-card-actions { display:flex; gap:5px; flex-wrap:wrap; margin-top:8px; } #xxt-bank-modal .xxt-bank-card-actions button { border:1px solid var(--xxt-border); border-radius:7px; padding:5px 8px; background:transparent; color:var(--xxt-text-soft); cursor:pointer; font-size:11px; } #xxt-bank-modal .xxt-bank-card-actions button:hover { border-color:var(--xxt-accent); color:var(--xxt-accent-strong); } #xxt-bank-modal .xxt-bank-empty { text-align:center; color:#9ca3af; padding:34px 0; font-size:12px; } #xxt-bank-modal .xxt-bank-pagination { display:flex; align-items:center; justify-content:center; gap:9px; padding:10px 0 4px; color:var(--xxt-text-soft); font-size:11px; } #xxt-bank-modal .xxt-bank-pagination button { min-width:54px; border:1px solid var(--xxt-border); border-radius:7px; padding:5px 8px; background:transparent; color:var(--xxt-text-soft); cursor:pointer; font:inherit; } #xxt-bank-modal .xxt-bank-pagination button:hover:not(:disabled) { border-color:var(--xxt-accent); color:var(--xxt-accent-strong); } #xxt-bank-modal .xxt-bank-pagination button:disabled { opacity:.42; cursor:not-allowed; } #xxt-bank-modal .xxt-bank-compare { display:flex; gap:8px; align-items:center; flex-wrap:wrap; padding-top:10px; border-top:1px solid var(--xxt-border); } #xxt-bank-modal .xxt-bank-compare-status { width:100%; color:var(--xxt-text-soft); font-size:11px; white-space:pre-wrap; } /* ===== 存入题库引导弹窗 ===== */ #xxt-save-bank-modal { position:fixed; inset:0; z-index:100005; background:rgba(15,23,42,.42); backdrop-filter:blur(4px); display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity .28s ease; } #xxt-save-bank-modal.open { opacity:1; pointer-events:auto; } #xxt-save-bank-modal .xxt-save-bank-box { width:min(440px,94vw); padding:22px; box-sizing:border-box; background:#fff; border:1px solid var(--xxt-border); border-radius:22px; box-shadow:var(--xxt-shadow); color:var(--xxt-text); transform:translateY(16px) scale(.97); transition:transform .3s cubic-bezier(.16,1,.3,1); } #xxt-save-bank-modal.open .xxt-save-bank-box { transform:translateY(0) scale(1); } #xxt-save-bank-modal .xxt-modal-header { display:flex; align-items:center; justify-content:space-between; padding-bottom:14px; margin-bottom:12px; border-bottom:1px solid var(--xxt-border); } #xxt-save-bank-modal .xxt-modal-header h3 { margin:0; font-size:16px; font-weight:800; color:var(--xxt-text); } #xxt-save-bank-modal .xxt-modal-close { width:28px; height:28px; border:0; border-radius:50%; background:rgba(15,23,42,.05); color:#9ca3af; cursor:pointer; font-size:15px; } #xxt-save-bank-modal .xxt-modal-close:hover { background:#ef4444; color:#fff; } #xxt-save-bank-modal .xxt-save-bank-summary { margin:0 0 14px; padding:10px 12px; border-radius:11px; background:var(--xxt-grad-soft); color:var(--xxt-text-soft); font-size:12px; line-height:1.6; } #xxt-save-bank-modal .xxt-save-bank-mode { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-bottom:13px; } #xxt-save-bank-modal .xxt-save-bank-mode button { border:1px solid var(--xxt-border); border-radius:10px; padding:9px 8px; background:var(--xxt-surface-solid); color:var(--xxt-text-soft); cursor:pointer; font:700 12px/1.35 inherit; transition:all .2s ease; } #xxt-save-bank-modal .xxt-save-bank-mode button:hover { border-color:var(--xxt-accent); color:var(--xxt-accent-strong); } #xxt-save-bank-modal .xxt-save-bank-mode button.active { border-color:transparent; background:var(--xxt-grad); color:#fff; box-shadow:0 6px 14px -7px rgba(99,102,241,.7); } #xxt-save-bank-modal .xxt-save-bank-field { margin-bottom:12px; } #xxt-save-bank-modal .xxt-save-bank-field label { display:block; margin-bottom:6px; color:var(--xxt-text-soft); font-size:12px; font-weight:700; } #xxt-save-bank-modal select, #xxt-save-bank-modal input { box-sizing:border-box; width:100%; border:1px solid var(--xxt-border); border-radius:9px; padding:9px 10px; background:#fff; color:var(--xxt-text); font:13px/1.4 inherit; outline:0; } #xxt-save-bank-modal select:focus, #xxt-save-bank-modal input:focus { border-color:var(--xxt-accent); box-shadow:0 0 0 3px rgba(124,92,240,.14); } #xxt-save-bank-modal .xxt-save-bank-hint { min-height:18px; margin:0 0 14px; color:var(--xxt-text-soft); font-size:11px; line-height:1.55; } #xxt-save-bank-modal .xxt-save-bank-actions { display:flex; justify-content:flex-end; gap:10px; padding-top:14px; border-top:1px solid var(--xxt-border); } #xxt-save-bank-modal .xxt-save-bank-actions button { border-radius:10px; padding:9px 18px; cursor:pointer; font-weight:700; } #xxt-save-bank-modal .xxt-save-bank-cancel { border:1px solid var(--xxt-border); background:transparent; color:var(--xxt-text-soft); } #xxt-save-bank-modal .xxt-save-bank-confirm { border:0; background:var(--xxt-grad); color:#fff; } #xxt-save-bank-modal .xxt-save-bank-confirm:disabled { cursor:not-allowed; opacity:.48; } /* ===== 导出预览弹窗 ===== */ #xxt-preview-modal { position: fixed; inset: 0; z-index: 100005; background: rgba(15,23,42,0.42); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .28s ease; } #xxt-preview-modal.open { opacity: 1; pointer-events: auto; } #xxt-preview-modal .xxt-preview-box { background: #fff; border: 1px solid var(--xxt-border); border-radius: 22px; width: min(920px, 94vw); max-height: 90vh; padding: 22px; box-shadow: var(--xxt-shadow); display:flex; flex-direction:column; color:var(--xxt-text); transform:translateY(16px) scale(.97); transition:transform .3s cubic-bezier(.16,1,.3,1); } #xxt-preview-modal.open .xxt-preview-box { transform:translateY(0) scale(1); } #xxt-preview-modal .xxt-modal-header { display:flex; align-items:center; justify-content:space-between; padding-bottom:14px; margin-bottom:10px; border-bottom:1px solid var(--xxt-border); flex-shrink:0; } #xxt-preview-modal .xxt-modal-header h3 { margin:0; font-size:16px; font-weight:800; color:var(--xxt-text); } #xxt-preview-modal .xxt-modal-close { width:28px; height:28px; border:0; border-radius:50%; background:rgba(15,23,42,.05); color:#9ca3af; cursor:pointer; font-size:15px; } #xxt-preview-modal .xxt-modal-close:hover { background:#ef4444; color:#fff; } #xxt-preview-modal .xxt-preview-meta { color:var(--xxt-text-soft); font-size:12px; line-height:1.55; margin:0 0 10px; } #xxt-preview-modal .xxt-preview-content { overflow:auto; min-height:180px; max-height:65vh; padding:4px 6px 10px 2px; } #xxt-preview-modal .xxt-preview-content::-webkit-scrollbar { width:6px; } #xxt-preview-modal .xxt-preview-content::-webkit-scrollbar-thumb { background:linear-gradient(180deg,#c4b5fd,#f0abfc); border-radius:6px; } #xxt-preview-modal .xxt-preview-document { background:#fff; color:#111827; border:1px solid #e5e7eb; border-radius:12px; padding:24px 28px; font:14px/1.75 "Microsoft YaHei","PingFang SC",Arial,sans-serif; } #xxt-preview-modal .xxt-preview-document h1 { margin:0 0 22px; text-align:center; font-size:22px; line-height:1.4; } #xxt-preview-modal .xxt-preview-document h2 { margin:20px 0 10px; padding-bottom:4px; border-bottom:1px solid #d1d5db; font-size:16px; } #xxt-preview-modal .xxt-preview-question { margin:0 0 16px; padding-bottom:12px; border-bottom:1px dashed #e5e7eb; break-inside:avoid; } #xxt-preview-modal .xxt-preview-stem { font-size:14px; } #xxt-preview-modal .xxt-preview-option { padding-left:24px; } #xxt-preview-modal .xxt-preview-answer { margin-top:5px; padding:6px 9px; color:#047857; background:#ecfdf5; border-radius:7px; font-size:12px; } #xxt-preview-modal .xxt-preview-wrong { margin-left:7px; padding:2px 6px; color:#b91c1c; background:#fee2e2; border-radius:5px; font-size:11px; font-weight:700; } #xxt-preview-modal .xxt-preview-wrong-block { margin-top:18px; padding-top:12px; border-top:1px solid #9ca3af; } #xxt-preview-modal .xxt-preview-wrong-item { margin:0 0 10px; padding:8px 10px; background:#fff7ed; border-left:3px solid #f97316; border-radius:6px; font-size:12px; } #xxt-preview-modal .xxt-preview-code { margin:0; white-space:pre-wrap; word-break:break-word; background:#f8fafc; border:1px solid #e5e7eb; border-radius:10px; padding:16px; color:#1f2937; font:12px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace; } #xxt-preview-modal .xxt-preview-document img { display:block; max-width:100%; max-height:260px; height:auto; margin:6px 0; object-fit:contain; } #xxt-preview-modal .xxt-preview-pager { display:flex; align-items:center; justify-content:center; gap:10px; padding-top:10px; color:var(--xxt-text-soft); font-size:11px; flex-shrink:0; } #xxt-preview-modal .xxt-preview-pager button, #xxt-preview-modal .xxt-preview-download { border:1px solid var(--xxt-accent); border-radius:9px; padding:7px 12px; background:#fff; color:var(--xxt-accent-strong); cursor:pointer; font:700 12px/1.3 inherit; } #xxt-preview-modal .xxt-preview-pager button:hover, #xxt-preview-modal .xxt-preview-download:hover { background:var(--xxt-grad); color:#fff; border-color:transparent; } #xxt-preview-modal .xxt-preview-pager button:disabled { opacity:.45; cursor:not-allowed; } #xxt-preview-modal .xxt-preview-actions { display:flex; justify-content:flex-end; gap:10px; padding-top:14px; margin-top:4px; border-top:1px solid var(--xxt-border); flex-shrink:0; } #xxt-preview-modal .xxt-preview-cancel { border:1px solid var(--xxt-border); border-radius:10px; padding:9px 18px; background:transparent; color:var(--xxt-text-soft); cursor:pointer; font-weight:700; } #xxt-preview-modal .xxt-preview-download { border:0; background:var(--xxt-grad); color:#fff; padding:9px 18px; } /* ===== 在线查看/编辑弹窗 ===== */ #xxt-editor-modal { position: fixed; inset: 0; z-index: 100004; background: rgba(15,23,42,0.42); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.28s ease; } #xxt-editor-modal.open { opacity: 1; pointer-events: auto; } #xxt-editor-modal .xxt-editor-box { background: #fff; border: 1px solid var(--xxt-border); border-radius: 22px; width: min(900px, 94vw); max-height: 90vh; padding: 22px; box-shadow: var(--xxt-shadow); display: flex; flex-direction: column; color: var(--xxt-text); transform: translateY(16px) scale(.97); transition: transform .3s cubic-bezier(.16,1,.3,1); } #xxt-editor-modal.open .xxt-editor-box { transform: translateY(0) scale(1); } #xxt-editor-modal .xxt-modal-header { display:flex; align-items:center; justify-content:space-between; padding-bottom:14px; margin-bottom:12px; border-bottom:1px solid var(--xxt-border); flex-shrink:0; } #xxt-editor-modal .xxt-modal-header h3 { margin:0; font-size:16px; font-weight:800; color:var(--xxt-text); } #xxt-editor-modal .xxt-modal-close { width:28px; height:28px; border:0; border-radius:50%; background:rgba(15,23,42,.05); color:#9ca3af; cursor:pointer; font-size:15px; } #xxt-editor-modal .xxt-modal-close:hover { background:#ef4444; color:#fff; } #xxt-editor-modal .xxt-editor-note { color:#6b7280; font-size:12px; margin:0 0 12px; } #xxt-editor-modal .xxt-editor-selection-toolbar { display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin:0 0 12px; padding:10px 12px; border:1px solid var(--xxt-border); border-radius:12px; background:var(--xxt-grad-soft); } #xxt-editor-modal .xxt-editor-selection-toolbar button { border:1px solid var(--xxt-accent); border-radius:8px; padding:6px 9px; background:#fff; color:var(--xxt-accent-strong); cursor:pointer; font:700 11px/1.3 inherit; } #xxt-editor-modal .xxt-editor-selection-toolbar button:hover { background:var(--xxt-grad); color:#fff; border-color:transparent; } #xxt-editor-modal .xxt-editor-selection-count { margin-left:auto; color:var(--xxt-text-soft); font-size:11px; font-weight:700; } #xxt-editor-modal .xxt-editor-list { overflow-y:auto; padding:2px 5px 8px 0; } #xxt-editor-modal .xxt-editor-list::-webkit-scrollbar { width:6px; } #xxt-editor-modal .xxt-editor-list::-webkit-scrollbar-thumb { background:linear-gradient(180deg,#c4b5fd,#f0abfc); border-radius:6px; } #xxt-editor-modal .xxt-editor-type { margin:14px 0 8px; color:var(--xxt-accent-strong); font-size:14px; font-weight:800; } #xxt-editor-modal .xxt-editor-card { background:var(--xxt-surface-solid); border:1px solid var(--xxt-border); border-radius:15px; padding:14px; margin-bottom:12px; } #xxt-editor-modal .xxt-editor-card.xxt-editor-unselected { opacity:.58; } #xxt-editor-modal .xxt-editor-select { width:17px; height:17px; accent-color:var(--xxt-accent); cursor:pointer; flex:0 0 auto; } #xxt-editor-modal .xxt-editor-label { display:block; color:var(--xxt-text-soft); font-size:12px; font-weight:700; margin:0 0 5px; } #xxt-editor-modal textarea, #xxt-editor-modal input[type="text"] { box-sizing:border-box; width:100%; border:1px solid var(--xxt-border); border-radius:9px; padding:8px 10px; background:#fff; color:var(--xxt-text); font:13px/1.55 inherit; outline:0; resize:vertical; } #xxt-editor-modal textarea:focus, #xxt-editor-modal input[type="text"]:focus { border-color:var(--xxt-accent); box-shadow:0 0 0 3px rgba(124,92,240,.14); } #xxt-editor-modal .xxt-editor-stem { min-height:58px; } #xxt-editor-modal .xxt-editor-answer { min-height:42px; } #xxt-editor-modal .xxt-editor-option { display:grid; grid-template-columns:32px 1fr 30px; gap:7px; align-items:start; margin-top:7px; } #xxt-editor-modal .xxt-editor-letter { padding:8px 0; font-weight:800; color:var(--xxt-accent); text-align:center; } #xxt-editor-modal .xxt-editor-remove { border:0; background:transparent; color:#9ca3af; cursor:pointer; font-size:16px; padding:7px 0; } #xxt-editor-modal .xxt-editor-remove:hover { color:#ef4444; } #xxt-editor-modal .xxt-editor-add { margin-top:8px; border:1px dashed var(--xxt-accent); background:transparent; color:var(--xxt-accent-strong); border-radius:8px; padding:5px 10px; cursor:pointer; font-size:12px; } #xxt-editor-modal .xxt-editor-actions { display:flex; justify-content:flex-end; gap:10px; padding-top:14px; margin-top:4px; border-top:1px solid var(--xxt-border); flex-shrink:0; } #xxt-editor-modal .xxt-editor-actions button { border-radius:10px; padding:9px 20px; cursor:pointer; font-weight:700; } #xxt-editor-modal .xxt-editor-save { border:0; background:var(--xxt-grad); color:#fff; } #xxt-editor-modal .xxt-editor-cancel { border:1px solid var(--xxt-border); background:transparent; color:var(--xxt-text-soft); } /* ===== 响应式微调 ===== */ @media screen and (max-height: 700px) { #xxt-panel { top: 40px; max-height: 92vh; } #xxt-panel .xxt-stat { gap: 4px; } #xxt-panel .xxt-stat-item { padding: 8px 2px 5px; } #xxt-panel .xxt-stat-item .xxt-num { font-size: 19px; } } /* ===== 主面板紧凑布局 ===== * 提取完成后只保留最常用的结果、操作和批量进度；格式、答案和乱序 * 收进可展开的“导出设置”，避免在课程页上遮住过多内容。 */ #xxt-panel { width:min(360px, calc(100vw - 16px)); padding:14px 14px 13px; border-radius:18px; max-height:calc(100vh - 86px); } #xxt-panel .xxt-header { margin-bottom:10px; padding-bottom:9px; } #xxt-panel .xxt-header h3 { font-size:14px; letter-spacing:0; } #xxt-panel .xxt-feedback-link { height:24px; padding:0 7px; font-size:10px; } #xxt-panel .xxt-settings-btn { width:25px; height:25px; margin-right:0; } #xxt-panel .xxt-settings-btn svg { width:14px; height:14px; } #xxt-panel .xxt-bank-entry { min-height:48px; margin:0 0 8px; padding:7px 9px; gap:8px; border-radius:12px; } #xxt-panel .xxt-bank-entry-icon { width:31px; height:31px; flex-basis:31px; border-radius:9px; font-size:17px; } #xxt-panel .xxt-bank-entry-copy strong { font-size:12.5px; } #xxt-panel .xxt-bank-entry-copy small { font-size:10px; } #xxt-panel .xxt-bank-entry-arrow { font-size:18px; } #xxt-panel .xxt-tiku-promo { margin:0 0 8px; padding:7px 8px; border-radius:12px; } #xxt-panel .xxt-tiku-promo-top { gap:7px; } #xxt-panel .xxt-tiku-promo-icon { width:28px; height:28px; flex-basis:28px; border-radius:9px; font-size:15px; } #xxt-panel .xxt-tiku-promo-copy strong { font-size:11.5px; } #xxt-panel .xxt-tiku-promo-copy small { font-size:9.5px; } #xxt-panel .xxt-tiku-promo-actions { gap:5px; margin-top:6px; } #xxt-panel .xxt-tiku-promo-link { min-height:24px; padding:0 6px; border-radius:8px; font-size:9.5px; } #xxt-panel .xxt-primary-actions { display:grid; grid-template-columns:1fr 1fr; gap:7px; margin-bottom:8px; } #xxt-panel .xxt-primary-actions .xxt-btn-extract, #xxt-panel .xxt-primary-actions .xxt-btn-batch { min-height:39px; margin:0; padding:8px 7px; border-radius:11px; font-size:12px; line-height:1.25; letter-spacing:0; } #xxt-panel .xxt-primary-actions .xxt-btn-batch { border-style:solid; font-weight:800; } #xxt-panel .xxt-batch-live { margin:0 0 8px; padding:9px 10px; border-radius:12px; } #xxt-panel .xxt-batch-live-title { font-size:11.5px; } #xxt-panel .xxt-batch-live-state { padding:2px 6px; font-size:10px; } #xxt-panel .xxt-batch-live-current { margin-top:5px; font-size:11.5px; } #xxt-panel .xxt-batch-live-detail { margin-top:2px; font-size:10px; } #xxt-panel .xxt-batch-live-bar { height:5px; margin:7px 0 8px; } #xxt-panel .xxt-batch-live-actions { gap:6px; } #xxt-panel .xxt-batch-live-actions button { padding:6px 7px; font-size:10.5px; } #xxt-panel .xxt-batch-live-log { margin-top:7px; padding-top:6px; } #xxt-panel .xxt-batch-live-log-list { max-height:96px; } #xxt-panel .xxt-status { margin-bottom:8px; padding:7px 9px; font-size:11px; } #xxt-panel .xxt-stat { gap:6px; margin:8px 0 9px; } #xxt-panel .xxt-stat-item { padding:7px 3px 6px; border-radius:10px; } #xxt-panel .xxt-stat-item .xxt-num { font-size:18px; } #xxt-panel .xxt-stat-item .xxt-label { margin-top:1px; font-size:10px; } #xxt-panel .xxt-result-actions { margin-bottom:8px !important; } #xxt-panel .xxt-result-actions .xxt-btn { padding:8px 6px !important; border-radius:10px !important; font-size:11px !important; } #xxt-panel .xxt-selection-summary { margin:0 0 8px; padding:6px 8px; border-radius:9px; font-size:10.5px; } #xxt-panel .xxt-export-settings { margin-top:0; border:1px solid var(--xxt-border); border-radius:11px; background:var(--xxt-surface-solid); overflow:hidden; } #xxt-panel .xxt-export-settings summary { display:flex; align-items:center; justify-content:space-between; gap:8px; padding:9px 10px; cursor:pointer; color:var(--xxt-accent-strong); font-size:11px; font-weight:800; list-style:none; user-select:none; } #xxt-panel .xxt-export-settings summary::-webkit-details-marker { display:none; } #xxt-panel .xxt-export-settings summary::before { content:'›'; margin-right:5px; font-size:15px; line-height:0; transition:transform .18s ease; } #xxt-panel .xxt-export-settings[open] summary::before { transform:rotate(90deg); } #xxt-panel .xxt-export-settings summary small { margin-left:auto; color:var(--xxt-text-soft); font-size:10px; font-weight:600; } #xxt-panel .xxt-export-settings-body { padding:0 9px 9px; border-top:1px solid var(--xxt-border); } #xxt-panel .xxt-export-settings .xxt-section { margin-top:8px; padding:8px 9px; border-radius:10px; box-shadow:none; } #xxt-panel .xxt-export-settings .xxt-filename { padding:8px 9px; font-size:11px; } #xxt-panel .xxt-export-settings .xxt-format-row { gap:5px; margin-top:7px; font-size:10.5px; } #xxt-panel .xxt-export-settings .xxt-format-row label { gap:3px; padding:4px 7px; border-radius:12px; font-size:10px; } #xxt-panel .xxt-export-settings .xxt-format-row input[type="radio"] { width:12px; height:12px; } #xxt-panel .xxt-export-settings .xxt-toggle { gap:7px; margin-top:6px; padding:7px 8px; border-radius:9px; } #xxt-panel .xxt-export-settings .xxt-toggle .xxt-checkbox-wrap { width:16px; height:16px; border-radius:5px; } #xxt-panel .xxt-export-settings .xxt-toggle span { font-size:11px; line-height:1.35; } #xxt-panel .xxt-actions { grid-template-columns:repeat(3, 1fr); gap:6px; margin-top:8px; } #xxt-panel .xxt-actions .xxt-btn { padding:8px 4px; border-radius:10px; font-size:10.5px; } #xxt-panel .xxt-wrong-hint { margin-top:6px; padding:7px 8px; font-size:10.5px; } `; // document-start 时 document.head 在少数页面还未创建，优先挂到根节点， // 避免样式注入异常导致整段脚本中断。 function appendUserscriptStyle(styleElement) { const target = document.head || document.documentElement; if (target) target.appendChild(styleElement); else document.addEventListener('DOMContentLoaded', () => { (document.head || document.documentElement).appendChild(styleElement); }, { once: true }); } const style = document.createElement('style'); style.textContent = css; appendUserscriptStyle(style); // ==================== 暗色模式 CSS ==================== const darkCSS = ` [data-xxt-theme="dark"] #xxt-panel { --xxt-surface: #1e1e2e; --xxt-surface-solid: #181825; --xxt-border: #313244; --xxt-shadow: 0 20px 48px -12px rgba(0,0,0,0.55), 0 8px 18px -8px rgba(0,0,0,0.4); --xxt-text: #f5f7fb; --xxt-text-soft: #b8c0d8; color: var(--xxt-text); background: #1e1e2e; } [data-xxt-theme="dark"] #xxt-panel::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #7c3aed, #db2777); } [data-xxt-theme="dark"] #xxt-panel .xxt-header { border-bottom-color: rgba(205,214,244,0.10); } [data-xxt-theme="dark"] #xxt-panel .xxt-header h3 { -webkit-text-fill-color: #cdd6f4; color: #cdd6f4; background: none; } [data-xxt-theme="dark"] #xxt-panel .xxt-bank-entry { background: linear-gradient(135deg, rgba(124,58,237,0.18), rgba(219,39,119,0.13)); border-color: rgba(196,181,253,0.26); color: #f5f7fb; } [data-xxt-theme="dark"] #xxt-panel .xxt-bank-entry:hover { border-color: rgba(196,181,253,0.58); } [data-xxt-theme="dark"] #xxt-panel .xxt-bank-entry-icon { background: #181825; } [data-xxt-theme="dark"] #xxt-panel .xxt-bank-entry-copy strong { color: #e9d5ff; } [data-xxt-theme="dark"] #xxt-panel .xxt-bank-entry-copy small { color: #a6adc8; } [data-xxt-theme="dark"] #xxt-panel .xxt-bank-entry-arrow { color: #c4b5fd; } [data-xxt-theme="dark"] #xxt-panel .xxt-tiku-promo { background:linear-gradient(135deg, rgba(14,116,144,.22), rgba(5,150,105,.16)); border-color:rgba(125,211,252,.30); } [data-xxt-theme="dark"] #xxt-panel .xxt-tiku-promo-icon { background:#181825; color:#7dd3fc; } [data-xxt-theme="dark"] #xxt-panel .xxt-tiku-promo-copy strong { color:#bae6fd; } [data-xxt-theme="dark"] #xxt-panel .xxt-tiku-promo-copy small { color:#a6c6d8; } [data-xxt-theme="dark"] #xxt-panel .xxt-tiku-promo-link { color:#bae6fd; background:rgba(24,24,37,.74); border-color:rgba(125,211,252,.48); } [data-xxt-theme="dark"] #xxt-panel .xxt-tiku-promo-link:hover { background:#0284c7; border-color:#0284c7; color:#fff; } [data-xxt-theme="dark"] #xxt-panel .xxt-btn-batch { background:rgba(124,58,237,.10); border-color:rgba(196,181,253,.54); color:#ddd6fe; } [data-xxt-theme="dark"] #xxt-panel .xxt-batch-live { border-color:rgba(196,181,253,.40); background:rgba(124,58,237,.12); } [data-xxt-theme="dark"] #xxt-panel .xxt-batch-live-title { color:#f5f3ff; } [data-xxt-theme="dark"] #xxt-panel .xxt-batch-live-current { color:#ddd6fe; } [data-xxt-theme="dark"] #xxt-panel .xxt-batch-live-detail { color:#bac6dd; } [data-xxt-theme="dark"] #xxt-panel .xxt-batch-live-actions button { background:#181825; color:#ddd6fe; border-color:#a78bfa; } [data-xxt-theme="dark"] #xxt-batch-modal .xxt-batch-box { background:#1e1e2e; --xxt-surface-solid:#181825; --xxt-border:#313244; --xxt-text:#f5f7fb; --xxt-text-soft:#b8c0d8; } [data-xxt-theme="dark"] #xxt-batch-modal .xxt-modal-header { border-bottom-color:rgba(205,214,244,.10); } [data-xxt-theme="dark"] #xxt-batch-modal .xxt-modal-close { background:rgba(205,214,244,.08); color:#a6adc8; } [data-xxt-theme="dark"] #xxt-batch-modal .xxt-batch-toolbar button, [data-xxt-theme="dark"] #xxt-batch-modal .xxt-batch-actions button { background:#181825; color:#c4b5fd; border-color:#a78bfa; } [data-xxt-theme="dark"] #xxt-batch-modal .xxt-batch-item { background:#181825; border-color:#313244; } [data-xxt-theme="dark"] #xxt-batch-modal .xxt-batch-item-title { color:#f5f7fb; } [data-xxt-theme="dark"] #xxt-panel .xxt-btn-extract { background: var(--xxt-grad); color: #fff; box-shadow: 0 10px 22px -8px rgba(168,85,247,0.6); } [data-xxt-theme="dark"] #xxt-panel .xxt-btn-extract:hover { box-shadow: 0 16px 30px -8px rgba(168,85,247,0.8); } [data-xxt-theme="dark"] #xxt-panel .xxt-btn-extract:disabled { background: #45475a; } [data-xxt-theme="dark"] .xxt-status-ok { color: #4ade80; background: rgba(16,185,129,0.14); border-color: rgba(16,185,129,0.3); } [data-xxt-theme="dark"] .xxt-status-loading { color: #93c5fd; background: rgba(59,130,246,0.14); border-color: rgba(96,165,250,0.3); } [data-xxt-theme="dark"] .xxt-status-err { color: #f87171; background: rgba(239,68,68,0.14); border-color: rgba(239,68,68,0.3); } [data-xxt-theme="dark"] .xxt-status-warn { color: #fbbf24; background: rgba(245,158,11,0.14); border-color: rgba(245,158,11,0.3); } [data-xxt-theme="dark"] #xxt-panel .xxt-stat-item { background: #181825; border-color: rgba(205,214,244,0.10); box-shadow: 0 4px 12px -6px rgba(0,0,0,0.4); } [data-xxt-theme="dark"] #xxt-panel .xxt-stat-item:hover { border-color: #a78bfa; } [data-xxt-theme="dark"] #xxt-panel .xxt-stat-item .xxt-num { -webkit-text-fill-color: #c4b5fd; color: #c4b5fd; background: none; } [data-xxt-theme="dark"] #xxt-panel .xxt-stat-item .xxt-label { color: #a6adc8; } [data-xxt-theme="dark"] #xxt-panel .xxt-section { background: #181825; border-color: rgba(205,214,244,0.10); } [data-xxt-theme="dark"] #xxt-panel .xxt-filename { border-color: rgba(205,214,244,0.14); color: #cdd6f4; background: #11111b; } [data-xxt-theme="dark"] #xxt-panel .xxt-filename:focus { border-color: #a78bfa; box-shadow: 0 0 0 4px rgba(167,139,250,0.18); } [data-xxt-theme="dark"] #xxt-panel .xxt-format-row { color: #a6adc8; } [data-xxt-theme="dark"] #xxt-panel .xxt-format-row label { border-color: rgba(205,214,244,0.14); background: #181825; color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-panel .xxt-format-row label:hover { border-color: rgba(167,139,250,0.5); } [data-xxt-theme="dark"] #xxt-panel .xxt-format-row label:has(input:checked) { color: #fff; border-color: transparent; background: var(--xxt-grad); } [data-xxt-theme="dark"] .xxt-btn-outline { background: #181825; color: #c4b5fd; border-color: #a78bfa !important; } [data-xxt-theme="dark"] .xxt-btn-outline:hover { background: var(--xxt-grad); color: #fff; border-color: transparent !important; } [data-xxt-theme="dark"] #xxt-panel .xxt-toggle { background: #181825; border-color: rgba(205,214,244,0.10); } [data-xxt-theme="dark"] #xxt-panel .xxt-toggle:hover { border-color: rgba(167,139,250,0.5); } [data-xxt-theme="dark"] #xxt-panel .xxt-toggle .xxt-checkbox-wrap { border-color: #585b70; background: #11111b; } [data-xxt-theme="dark"] #xxt-panel .xxt-toggle span { color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-panel .xxt-selection-summary { background:rgba(205,214,244,.08); color:#a6adc8; } [data-xxt-theme="dark"] #xxt-panel .xxt-selection-summary.xxt-selection-limited { background:rgba(167,139,250,.16); color:#ddd6fe; } [data-xxt-theme="dark"] #xxt-panel .xxt-wrong-hint { color: #f87171; background: rgba(239,68,68,0.14); border-color: rgba(239,68,68,0.3); } /* ===== 设置弹窗暗色 ===== */ [data-xxt-theme="dark"] #xxt-panel .xxt-settings-btn { color: #a6adc8; } [data-xxt-theme="dark"] #xxt-panel .xxt-settings-btn:hover { background: rgba(167,139,250,0.18); color: #c4b5fd; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-box { --xxt-surface-solid: #1e1e2e; --xxt-border: #313244; --xxt-shadow: 0 20px 48px -12px rgba(0,0,0,0.6); background: #1e1e2e; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-header { border-bottom-color: rgba(205,214,244,0.10); } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-header h3 { -webkit-text-fill-color: #cdd6f4; color: #cdd6f4; background: none; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-close { background: rgba(205,214,244,0.08); color: #a6adc8; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-close:hover { background: #ef4444; color: #fff; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-setting-row { background: #181825; border-color: #313244; color: #f5f7fb; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-theme-btn { background: #313244; color: #a6adc8; border-color: #45475a; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-theme-btn:hover { border-color: #585b70; color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-theme-btn.active { background: var(--xxt-grad); color: #fff; border-color: transparent; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-shortcut-display { background: rgba(167,139,250,0.12); border-color: rgba(167,139,250,0.25); color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-shortcut-keys { color: #c4b5fd; background: rgba(167,139,250,0.18); } /* ===== 历史记录弹窗暗色 ===== */ [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-box { --xxt-surface-solid: #1e1e2e; --xxt-border: #313244; --xxt-shadow: 0 20px 48px -12px rgba(0,0,0,0.6); background: #1e1e2e; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-header { border-bottom-color: rgba(205,214,244,0.10); } [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-header h3 { -webkit-text-fill-color: #cdd6f4; color: #cdd6f4; background: none; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-close { background: rgba(205,214,244,0.08); color: #a6adc8; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-close:hover { background: #ef4444; color: #fff; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-empty { color: #585b70; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-item { background: #181825; border-color: rgba(205,214,244,0.10); } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-item:hover { border-color: rgba(167,139,250,0.5); } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-title { color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-meta { color: #a6adc8; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-delete { color: #585b70; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-delete:hover { background: rgba(239,68,68,0.18); color: #f87171; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-download { color: #585b70; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-download:hover { background: rgba(167,139,250,0.18); color: #c4b5fd; } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-box { background:#1e1e2e; --xxt-surface-solid:#181825; --xxt-border:#313244; --xxt-text:#f5f7fb; --xxt-text-soft:#b8c0d8; } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-modal-header { border-bottom-color:rgba(205,214,244,.10); } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-modal-close { background:rgba(205,214,244,.08); color:#a6adc8; } [data-xxt-theme="dark"] #xxt-bank-modal select, [data-xxt-theme="dark"] #xxt-bank-modal input { background:#11111b; color:#cdd6f4; border-color:#45475a; } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-btn { background:#181825; color:#c4b5fd; border-color:#a78bfa; } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-card { background:#181825; border-color:rgba(205,214,244,.10); } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-type-head { border-bottom-color:rgba(205,214,244,.14); } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-type-title, [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-card-number, [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-option-letter { color:#ddd6fe; } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-card-number { background:rgba(124,58,237,.20); } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-options { background:rgba(124,58,237,.12); } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-answer { color:#a7f3d0; border-color:rgba(52,211,153,.32); background:rgba(16,185,129,.13); } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-card-actions button { color:#a6adc8; border-color:#45475a; } [data-xxt-theme="dark"] #xxt-bank-modal .xxt-bank-pagination button { color:#a6adc8; border-color:#45475a; } [data-xxt-theme="dark"] #xxt-save-bank-modal .xxt-save-bank-box { background:#1e1e2e; --xxt-surface-solid:#181825; --xxt-border:#313244; --xxt-text:#f5f7fb; --xxt-text-soft:#b8c0d8; } [data-xxt-theme="dark"] #xxt-save-bank-modal .xxt-modal-header, [data-xxt-theme="dark"] #xxt-save-bank-modal .xxt-save-bank-actions { border-color:rgba(205,214,244,.10); } [data-xxt-theme="dark"] #xxt-save-bank-modal .xxt-modal-close { background:rgba(205,214,244,.08); color:#a6adc8; } [data-xxt-theme="dark"] #xxt-save-bank-modal select, [data-xxt-theme="dark"] #xxt-save-bank-modal input { background:#11111b; color:#cdd6f4; border-color:#45475a; } [data-xxt-theme="dark"] #xxt-save-bank-modal .xxt-save-bank-mode button, [data-xxt-theme="dark"] #xxt-save-bank-modal .xxt-save-bank-cancel { background:#181825; color:#cdd6f4; border-color:#45475a; } [data-xxt-theme="dark"] #xxt-save-bank-modal .xxt-save-bank-mode button.active { background:var(--xxt-grad); color:#fff; border-color:transparent; } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-editor-box { background:#1e1e2e; --xxt-surface-solid:#181825; --xxt-border:#313244; --xxt-text:#f5f7fb; --xxt-text-soft:#b8c0d8; } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-modal-header { border-bottom-color:rgba(205,214,244,.10); } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-modal-close { background:rgba(205,214,244,.08); color:#a6adc8; } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-editor-note { color:#a6adc8; } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-editor-selection-toolbar { border-color:#313244; background:rgba(124,58,237,.14); } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-editor-selection-toolbar button { background:#181825; color:#c4b5fd; border-color:#a78bfa; } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-editor-type { color:#c4b5fd; } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-editor-card { background:#181825; border-color:#313244; } [data-xxt-theme="dark"] #xxt-editor-modal textarea, [data-xxt-theme="dark"] #xxt-editor-modal input[type="text"] { background:#11111b; color:#cdd6f4; border-color:#45475a; } [data-xxt-theme="dark"] #xxt-editor-modal .xxt-editor-cancel { color:#cdd6f4; border-color:#45475a; } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-box { background:#1e1e2e; --xxt-surface-solid:#181825; --xxt-border:#313244; --xxt-text:#f5f7fb; --xxt-text-soft:#b8c0d8; } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-modal-header { border-bottom-color:rgba(205,214,244,.10); } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-modal-close { background:rgba(205,214,244,.08); color:#a6adc8; } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-document { background:#181825; color:#f5f7fb; border-color:#313244; } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-document h2 { border-bottom-color:#45475a; } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-question { border-bottom-color:#313244; } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-answer { color:#6ee7b7; background:rgba(16,185,129,.14); } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-wrong { color:#fca5a5; background:rgba(239,68,68,.18); } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-wrong-item { background:rgba(249,115,22,.13); border-left-color:#fb923c; } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-code { background:#11111b; border-color:#313244; color:#cdd6f4; } [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-pager button, [data-xxt-theme="dark"] #xxt-preview-modal .xxt-preview-cancel { background:#181825; color:#cdd6f4; border-color:#45475a; } `; const darkStyle = document.createElement('style'); darkStyle.textContent = darkCSS; appendUserscriptStyle(darkStyle); // ==================== 设置存储 ==================== const SETTINGS_KEY = 'xxt_settings'; const DEFAULT_SETTINGS = { theme: 'auto', // 'auto' | 'light' | 'dark' shortcut: { ctrl: true, shift: true, alt: false, key: 'e' }, exportConfig: { // 上一次的导出设置 format: 'word', // 'word' | 'pdf' | 'txt' | 'md' withAnswers: false, shuffle: false, bankImport: false }, enableDrag: true, // 所有脚本浮窗拖拽，默认开启 rememberPanelPosition: true, // 记住所有窗口位置，默认开启 panelPosition: null, // 记住的面板位置 { left, top } floatingPositions: {}, // 各浮窗位置 { panel: { left, top }, ... } bankThreshold: 90 // 题库对比阈值（50-100） }; function loadSettings() { try { const raw = localStorage.getItem(SETTINGS_KEY); if (raw) { const saved = JSON.parse(raw); return { theme: saved.theme || DEFAULT_SETTINGS.theme, shortcut: { ...DEFAULT_SETTINGS.shortcut, ...(saved.shortcut || {}) }, exportConfig: { ...DEFAULT_SETTINGS.exportConfig, ...(saved.exportConfig || {}) }, // 旧版本只支持主面板拖拽且默认关闭；升级后默认开启全部浮窗拖拽。 enableDrag: saved.allUiDragInitialized ? saved.enableDrag !== false : DEFAULT_SETTINGS.enableDrag, rememberPanelPosition: saved.rememberPanelPosition !== undefined ? saved.rememberPanelPosition : DEFAULT_SETTINGS.rememberPanelPosition, panelPosition: saved.panelPosition || null, floatingPositions: saved.floatingPositions && typeof saved.floatingPositions === 'object' ? saved.floatingPositions : {}, allUiDragInitialized: true, bankThreshold: Math.max(50, Math.min(100, Number(saved.bankThreshold) || DEFAULT_SETTINGS.bankThreshold)) }; } } catch (e) { /* ignore */ } return { ...DEFAULT_SETTINGS, shortcut: { ...DEFAULT_SETTINGS.shortcut }, exportConfig: { ...DEFAULT_SETTINGS.exportConfig }, enableDrag: DEFAULT_SETTINGS.enableDrag, rememberPanelPosition: DEFAULT_SETTINGS.rememberPanelPosition, panelPosition: null, floatingPositions: {}, allUiDragInitialized: true, bankThreshold: DEFAULT_SETTINGS.bankThreshold }; } function saveSettings(settings) { try { localStorage.setItem(SETTINGS_KEY, JSON.stringify(settings)); } catch (e) { /* ignore */ } } // 保存导出配置（格式、附加答案、打乱、题库导入） function saveExportConfig(els) { currentSettings.exportConfig = { format: getFormat(els), withAnswers: els.chkAnswers ? els.chkAnswers.checked : false, shuffle: els.chkShuffle ? els.chkShuffle.checked : false, bankImport: els.chkBankImport ? els.chkBankImport.checked : false }; saveSettings(currentSettings); } let currentSettings = loadSettings(); // 统一的浮窗拖动器：主面板、右侧进度卡和所有弹窗共用，避免每个组件各写一套 // 鼠标事件。拖到边缘时会保留至少一小段可见区域，位置按设置保存。 const xxtDraggableNodes = new WeakSet(); function getXxtFloatingPosition(key) { const positions = currentSettings.floatingPositions || {}; if (positions[key] && Number.isFinite(positions[key].left) && Number.isFinite(positions[key].top)) return positions[key]; if (key === 'panel' && currentSettings.panelPosition && Number.isFinite(currentSettings.panelPosition.left) && Number.isFinite(currentSettings.panelPosition.top)) { return currentSettings.panelPosition; } return null; } function applyXxtFloatingPosition(element, position) { if (!element || !position) return; const rect = element.getBoundingClientRect(); // 浏览器窗口尺寸变化后，旧的坐标可能把浮窗完全带出屏幕。 // 恢复位置时先限制到可见范围，保证标题栏始终够得到。 const width = rect.width || 0; const height = rect.height || 96; const maxLeft = Math.max(8, window.innerWidth - width - 8); const maxTop = Math.max(8, window.innerHeight - Math.min(height, Math.max(96, window.innerHeight - 16)) - 8); element.style.position = 'fixed'; element.style.left = `${Math.max(8, Math.min(maxLeft, Number(position.left) || 8))}px`; element.style.top = `${Math.max(8, Math.min(maxTop, Number(position.top) || 8))}px`; element.style.right = 'auto'; element.style.bottom = 'auto'; // 弹窗原本通过 transform 做居中/入场动画；拖动后由 left/top 接管位置。 element.style.transform = 'none'; } function enableXxtDragging(element, handle, key) { if (!element || !handle || xxtDraggableNodes.has(element)) return; xxtDraggableNodes.add(element); element.classList.add('xxt-draggable'); const savedPosition = getXxtFloatingPosition(key); if (savedPosition) applyXxtFloatingPosition(element, savedPosition); let drag = null; const isInteractive = target => target !== handle && !!(target && target.closest && target.closest('button, a, input, select, textarea, label, [contenteditable="true"], [data-no-drag]')); const finish = event => { if (!drag) return; const moved = drag.moved; drag = null; element.classList.remove('xxt-dragging'); element.style.transition = ''; document.removeEventListener('pointermove', move, true); document.removeEventListener('pointerup', finish, true); document.removeEventListener('pointercancel', finish, true); if (!moved || !currentSettings.rememberPanelPosition) return; const position = { left: parseFloat(element.style.left), top: parseFloat(element.style.top) }; currentSettings.floatingPositions = { ...(currentSettings.floatingPositions || {}), [key]: position }; if (key === 'panel') currentSettings.panelPosition = position; saveSettings(currentSettings); // 拖动标题栏后不应触发弹窗关闭等 click 行为。 if (event) { const cancelClick = clickEvent => { clickEvent.preventDefault(); clickEvent.stopPropagation(); document.removeEventListener('click', cancelClick, true); }; document.addEventListener('click', cancelClick, true); } }; const move = event => { if (!drag || event.pointerId !== drag.pointerId) return; const dx = event.clientX - drag.startX; const dy = event.clientY - drag.startY; if (!drag.moved && Math.abs(dx) < 3 && Math.abs(dy) < 3) return; drag.moved = true; const maxLeft = Math.max(8, window.innerWidth - drag.width - 8); const maxTop = Math.max(8, window.innerHeight - Math.min(drag.height, 96) - 8); element.style.left = `${Math.max(8, Math.min(maxLeft, drag.left + dx))}px`; element.style.top = `${Math.max(8, Math.min(maxTop, drag.top + dy))}px`; if (handle !== element) event.preventDefault(); }; handle.addEventListener('pointerdown', event => { // 主面板始终允许拖动；“所有浮窗可拖拽”设置只影响其余弹窗。 if ((!currentSettings.enableDrag && key !== 'panel') || event.button !== 0 || isInteractive(event.target)) return; const rect = element.getBoundingClientRect(); applyXxtFloatingPosition(element, { left: rect.left, top: rect.top }); drag = { pointerId: event.pointerId, startX: event.clientX, startY: event.clientY, left: rect.left, top: rect.top, width: rect.width, height: rect.height, moved: false }; element.classList.add('xxt-dragging'); element.style.transition = 'none'; document.addEventListener('pointermove', move, true); document.addEventListener('pointerup', finish, true); document.addEventListener('pointercancel', finish, true); event.preventDefault(); }); } // ==================== 主题切换 ==================== function applyTheme(theme) { const root = document.documentElement; if (theme === 'dark') { root.setAttribute('data-xxt-theme', 'dark'); } else if (theme === 'light') { root.removeAttribute('data-xxt-theme'); } else { // auto: 跟随系统 if (window.matchMedia('(prefers-color-scheme: dark)').matches) { root.setAttribute('data-xxt-theme', 'dark'); } else { root.removeAttribute('data-xxt-theme'); } } } applyTheme(currentSettings.theme); // 监听系统主题变化（仅在 auto 模式下生效） window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => { if (currentSettings.theme === 'auto') { applyTheme('auto'); } }); // ==================== 历史记录 ==================== const HISTORY_KEY = 'xxt_history'; const MAX_HISTORY = 10; function loadHistory() { try { const raw = localStorage.getItem(HISTORY_KEY); return raw ? JSON.parse(raw) : []; } catch (e) { return []; } } function saveHistory(history) { try { localStorage.setItem(HISTORY_KEY, JSON.stringify(history)); } catch (e) { /* ignore */ } } function addToHistory(extractedData, fmt, withAnswers, withWrong, shuffle, bankImport, outputText) { const history = loadHistory(); let totalQ = 0; for (const qtype of extractedData.typeOrder) { totalQ += (extractedData.results[qtype] || []).length; } const entry = { id: Date.now(), title: extractedData.title || '未命名', date: new Date().toLocaleString('zh-CN'), format: fmt, withAnswers: withAnswers, withWrong: withWrong, shuffle: shuffle, bankImport: bankImport || false, totalQuestions: totalQ, typeOrder: extractedData.typeOrder, results: extractedData.results, wrongCount: extractedData.wrongCount, hasMyAnswer: extractedData.hasMyAnswer, hasCorrectAnswer: extractedData.hasCorrectAnswer || false, outputText: outputText || '' }; // 去重：相同标题+相同格式的旧记录替换 const filtered = history.filter(h => !(h.title === entry.title && h.format === entry.format)); filtered.unshift(entry); if (filtered.length > MAX_HISTORY) filtered.length = MAX_HISTORY; saveHistory(filtered); return filtered; } function deleteHistoryById(id) { const history = loadHistory().filter(h => h.id !== id); saveHistory(history); return history; } // ==================== 独立题库区 ==================== // 题库与“下载历史”完全分离。优先使用 ScriptCat/Tampermonkey 的 GM 存储， // 这样在 chaoxing.com、edu.cn 等不同页面来源之间也能共享；未提供 GM 存储时 // 回退到 localStorage，并在导入/导出中提供可靠的跨域迁移方式。 const QUESTION_BANK_KEY = 'xxt_question_banks_v1'; const QUESTION_BANK_TYPES = ['单选', '多选', '填空', '判断', '简答']; const QUESTION_BANK_MAX_BYTES = 8 * 1024 * 1024; let questionBankStateCache = null; // 其他标签页修改题库后，当前页下次打开题库会重新读取外部存储。 window.addEventListener('storage', event => { if (event.key === QUESTION_BANK_KEY) questionBankStateCache = null; }); // 题库 API 是同步链路；如果管理器暴露 Promise 版 GM API，就固定回退到 // localStorage，避免“本次写入落到 localStorage、下次读取却拿到旧 GM 值”。 let gmStorageIsSync = null; function readQuestionBankValue() { try { if (typeof GM_getValue === 'function' && gmStorageIsSync !== false) { const value = GM_getValue(QUESTION_BANK_KEY, ''); if (!value || typeof value.then !== 'function') { gmStorageIsSync = true; if (value) return value; } else { gmStorageIsSync = false; } } } catch (e) { gmStorageIsSync = false; } try { return localStorage.getItem(QUESTION_BANK_KEY) || ''; } catch (e) { return ''; } } function writeQuestionBankValue(value) { const serialized = typeof value === 'string' ? value : JSON.stringify(value); const serializedBytes = typeof TextEncoder === 'function' ? new TextEncoder().encode(serialized).length : new Blob([serialized]).size; if (serializedBytes > QUESTION_BANK_MAX_BYTES) { throw new Error('题库数据超过 8MB，请先导出备份或拆分题库'); } let gmWritten = false; try { if (typeof GM_setValue === 'function' && gmStorageIsSync !== false) { const result = GM_setValue(QUESTION_BANK_KEY, serialized); if (!result || typeof result.then !== 'function') { gmStorageIsSync = true; gmWritten = true; } else { gmStorageIsSync = false; } } } catch (e) { gmStorageIsSync = false; } if (!gmWritten) { try { localStorage.setItem(QUESTION_BANK_KEY, serialized); gmWritten = true; } catch (e) { throw new Error('题库存储失败，可能已达到浏览器存储上限'); } } return true; } function makeEmptyQuestionBank(name) { const now = new Date().toISOString(); return { id: `bank-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`, name: String(name || '默认题库').trim().substring(0, 80) || '默认题库', createdAt: now, updatedAt: now, typeOrder: [], results: Object.fromEntries(QUESTION_BANK_TYPES.map(type => [type, []])) }; } function normalizeBankRichContent(content) { let source = content; if (!Array.isArray(source)) { if (typeof source === 'string' || typeof source === 'number') source = [{ type: 'text', text: String(source) }]; else if (source && typeof source === 'object' && Array.isArray(source.content)) source = source.content; else if (source && typeof source === 'object' && (source.text || source.value)) source = [{ type: 'text', text: String(source.text || source.value) }]; else return []; } return normalizeRichContent(source.map(part => { if (typeof part === 'string' || typeof part === 'number') return { type: 'text', text: String(part).substring(0, 20000) }; if (!part || typeof part !== 'object') return null; if (part.type === 'text') return { type: 'text', text: String(part.text || '').substring(0, 20000) }; if (part.type === 'break') return { type: 'break' }; if (part.type === 'image' && part.url) { return { type: 'image', url: String(part.url).substring(0, 4096), alt: String(part.alt || '').substring(0, 300) }; } return null; }).filter(Boolean)); } function normalizeImportedBankType(value, question) { const raw = String(value || '').toLowerCase(); const detected = detectTypeFromText(value); if (detected) return detected; if (/multiple|multi[_ -]?choice|checkbox/.test(raw)) return '多选'; if (/single|radio|choice/.test(raw)) return '单选'; if (/judge|true[_ -]?false/.test(raw)) return '判断'; if (/fill|blank/.test(raw)) return '填空'; if (/essay|subjective|short[_ -]?answer/.test(raw)) return '简答'; const options = Array.isArray(question && question.options) ? question.options : []; const answer = String(question && (question.correctAnswer || question.answer || question.rightAnswer) || ''); if (options.length > 1 && (/[,，、;；]/.test(answer) || /^[A-H]{2,}$/i.test(answer.replace(/\s/g, '')))) return '多选'; if (options.length === 2 && /^(正确|错误|对|错|√|×|true|false)$/i.test(answer.trim())) return '判断'; return options.length ? '单选' : '填空'; } function getImportedBankResultLists(source) { const grouped = Object.fromEntries(QUESTION_BANK_TYPES.map(type => [type, []])); const rawResults = source && source.results; const flatQuestions = Array.isArray(rawResults) ? rawResults : Array.isArray(source && source.questions) ? source.questions : Array.isArray(source && source.items) ? source.items : null; if (flatQuestions) { flatQuestions.forEach(question => { const type = normalizeImportedBankType(question && (question.typeName || question.type || question.questionType), question); grouped[type].push(question); }); return grouped; } if (rawResults && typeof rawResults === 'object') { Object.entries(rawResults).forEach(([rawType, list]) => { if (!Array.isArray(list)) return; list.forEach(question => { const type = QUESTION_BANK_TYPES.includes(rawType) ? rawType : normalizeImportedBankType(rawType, question); grouped[type].push(question); }); }); } return grouped; } function normalizeBankQuestion(question) { if (!question || typeof question !== 'object') return null; const rawStem = hasRichContent(question.stemContent) ? question.stemContent : question.stem ?? question.question ?? question.title ?? ''; const rawStemText = typeof rawStem === 'string' || typeof rawStem === 'number' ? String(rawStem).trim() : ''; const stemContent = normalizeBankRichContent(rawStem); const stem = formatRichForText(stemContent).trim() || rawStemText; if (!stem && !hasRichContent(stemContent)) return null; const rawOptions = Array.isArray(question.options) ? question.options : Array.isArray(question.option) ? question.option : Array.isArray(question.choices) ? question.choices : []; const options = rawOptions.map((option, index) => { const rawText = typeof option === 'string' || typeof option === 'number' ? String(option) : String((option && (option.text ?? option.value ?? option.option ?? option.name)) || ''); const prefixed = rawText.match(/^\s*([A-H])\s*(?:[.、．:：]|\s+)\s*/i); const optionValue = prefixed ? rawText.slice(prefixed[0].length) : (option && option.content != null ? option.content : rawText); const rawOptionText = typeof optionValue === 'string' || typeof optionValue === 'number' ? String(optionValue).trim() : ''; const content = normalizeBankRichContent(optionValue); const letter = String((option && (option.letter || option.key || option.label)) || (prefixed && prefixed[1]) || String.fromCharCode(65 + index)).trim().toUpperCase().substring(0, 1); return { letter, text: richTextOnly(content) || rawOptionText, content }; }).filter(option => /^[A-H]$/.test(option.letter) && (option.text || hasRichContent(option.content))); const rawAnswer = hasRichContent(question.correctAnswerContent) ? question.correctAnswerContent : question.correctAnswer ?? question.answer ?? question.rightAnswer ?? question.correct ?? ''; const correctAnswerContent = stripAnswerLabel(normalizeBankRichContent(rawAnswer)); const answer = (richTextOnly(correctAnswerContent) || String(rawAnswer || '').trim()) .replace(/^\s*(?:答案|正确答案|answer)\s*[：:：]?\s*/i, '').trim(); // 不把某一次作答/错题状态带进可复用题库，避免题库载入后误显示旧错题。 return { stem, stemContent, options, correctAnswer: answer, correctAnswerContent, myAnswer: '', isWrong: false }; } function normalizeQuestionBank(bank) { const source = bank && typeof bank === 'object' ? bank : makeEmptyQuestionBank('默认题库'); const normalized = makeEmptyQuestionBank(source.name || source.exam_id || '默认题库'); normalized.id = String(source.id || normalized.id); normalized.createdAt = source.createdAt || normalized.createdAt; normalized.updatedAt = source.updatedAt || normalized.updatedAt; const rawResults = getImportedBankResultLists(source); const typeOrder = Array.isArray(source.typeOrder) ? source.typeOrder : []; const order = [...QUESTION_BANK_TYPES.filter(type => typeOrder.includes(type)), ...QUESTION_BANK_TYPES.filter(type => !typeOrder.includes(type))]; const seen = new Set(); order.forEach(type => { const list = Array.isArray(rawResults[type]) ? rawResults[type] : []; normalized.results[type] = list.map(normalizeBankQuestion).filter(Boolean).filter(question => { const identity = getQuestionIdentity(type, question) || `${type}|${richContentIdentity(question.stemContent)}`; if (seen.has(identity)) return false; seen.add(identity); return true; }); if (normalized.results[type].length) normalized.typeOrder.push(type); }); return normalized; } function makeDefaultQuestionBankState() { const bank = makeEmptyQuestionBank('默认题库'); return { schemaVersion: 1, activeBankId: bank.id, banks: [bank] }; } function normalizeQuestionBankState(raw) { let source = raw; if (typeof source === 'string') { try { source = JSON.parse(source); } catch (e) { source = null; } } if (!source || typeof source !== 'object') return makeDefaultQuestionBankState(); // 单库备份使用 {schemaVersion, bank}，完整备份使用 {banks:[...]}。 if (source.bank && typeof source.bank === 'object') source = { schemaVersion: 1, banks: [source.bank], activeBankId: source.bank.id }; // 兼容 OCS { exam_id, questions }，以及直接导出的题目数组。 if (!Array.isArray(source.banks) && Array.isArray(source.questions)) { source = { schemaVersion: 1, banks: [{ name: source.exam_id || '导入题库', questions: source.questions }] }; } if (Array.isArray(source) && !source.some(item => item && typeof item === 'object' && (item.results || item.questions || item.name))) { source = { schemaVersion: 1, banks: [{ name: '导入题库', results: source }] }; } // 兼容参考脚本的 {题库名: [题目]} 结构，导入后统一转换为本脚本格式。 if (!Array.isArray(source.banks) && !Array.isArray(source)) { const banks = Object.entries(source).filter(([, value]) => Array.isArray(value)).map(([name, results]) => normalizeQuestionBank({ name, results })); if (banks.length) return { schemaVersion: 1, activeBankId: banks[0].id, banks }; } const banks = (Array.isArray(source.banks) ? source.banks : Array.isArray(source) ? source : []) .map(normalizeQuestionBank).filter(Boolean); if (!banks.length) return makeDefaultQuestionBankState(); const activeBankId = banks.some(bank => bank.id === source.activeBankId) ? source.activeBankId : banks[0].id; return { schemaVersion: 1, activeBankId, banks }; } function loadQuestionBankState(force = false) { if (questionBankStateCache && !force) return questionBankStateCache; questionBankStateCache = normalizeQuestionBankState(readQuestionBankValue()); // 首次使用立即建立默认题库；如果已有旧数据，规范化后再保存一次。 try { writeQuestionBankValue(JSON.stringify(questionBankStateCache)); } catch (e) { /* UI 操作时再提示 */ } return questionBankStateCache; } function saveQuestionBankState(state) { const normalized = normalizeQuestionBankState(state); normalized.banks.forEach(bank => { bank.updatedAt = bank.updatedAt || new Date().toISOString(); }); writeQuestionBankValue(JSON.stringify(normalized)); questionBankStateCache = normalized; return normalized; } function getActiveQuestionBank() { const state = loadQuestionBankState(); return state.banks.find(bank => bank.id === state.activeBankId) || state.banks[0] || null; } function setActiveQuestionBank(id) { const state = loadQuestionBankState(); if (!state.banks.some(bank => bank.id === id)) return false; state.activeBankId = id; saveQuestionBankState(state); return true; } function bankQuestionCount(bank) { return QUESTION_BANK_TYPES.reduce((sum, type) => sum + ((bank && bank.results && bank.results[type]) || []).length, 0); } function bankTotalCount(state = loadQuestionBankState()) { return state.banks.reduce((sum, bank) => sum + bankQuestionCount(bank), 0); } function bankQuestionIdentity(type, question) { const base = getQuestionIdentity(type, question); if (base) return base; return `${type}|${richContentIdentity(questionContent(question))}|${(question.options || []).map(option => richContentIdentity(optionContent(option))).join('|')}`; } function buildExtractedDataFromBank(bank) { const normalized = normalizeQuestionBank(bank); const results = Object.fromEntries(QUESTION_BANK_TYPES.map(type => [type, (normalized.results[type] || []).map(question => ({ ...question }))])); const data = { title: normalized.name, typeOrder: normalized.typeOrder.slice(), results, text: '', textWithAnswers: '', textWrong: '', textMD: '', textWithAnswersMD: '', textWrongMD: '' }; return refreshExtractedOutputCache(data); } function mergeExtractedDataIntoBank(bank, data) { const target = normalizeQuestionBank(bank); const seen = new Map(); QUESTION_BANK_TYPES.forEach(type => (target.results[type] || []).forEach(question => seen.set(bankQuestionIdentity(type, question), question))); let added = 0, skipped = 0, answersFilled = 0; Object.entries((data && data.results) || {}).forEach(([type, questions]) => { if (!QUESTION_BANK_TYPES.includes(type)) return; if (!Array.isArray(target.results[type])) target.results[type] = []; questions.forEach(rawQuestion => { const question = normalizeBankQuestion(rawQuestion); if (!question) return; const identity = bankQuestionIdentity(type, question); const existing = seen.get(identity); if (existing) { skipped++; if (!hasRichContent(answerContent(existing)) && hasRichContent(answerContent(question))) { existing.correctAnswerContent = question.correctAnswerContent; existing.correctAnswer = question.correctAnswer; answersFilled++; } return; } target.results[type].push(question); seen.set(identity, question); if (!target.typeOrder.includes(type)) target.typeOrder.push(type); added++; }); }); target.updatedAt = new Date().toISOString(); return { bank: normalizeQuestionBank(target), added, skipped, answersFilled }; } function createExtractedDataFromResults(results, typeOrder, title) { const data = { title: title || '学习通题库', results: {}, typeOrder: [] }; QUESTION_BANK_TYPES.forEach(type => { data.results[type] = Array.isArray(results && results[type]) ? results[type] : []; }); (typeOrder || QUESTION_BANK_TYPES).forEach(type => { if (data.results[type] && data.results[type].length && !data.typeOrder.includes(type)) data.typeOrder.push(type); }); return refreshExtractedOutputCache(data); } // ==================== 快捷键 ==================== function formatShortcutLabel(sc) { const parts = []; if (sc.ctrl) parts.push('Ctrl'); if (sc.shift) parts.push('Shift'); if (sc.alt) parts.push('Alt'); parts.push(sc.key.toUpperCase()); return parts.join(' + '); } function isShortcutMatch(e, sc) { return e.ctrlKey === sc.ctrl && e.shiftKey === sc.shift && e.altKey === sc.alt && e.key.toLowerCase() === sc.key.toLowerCase(); } document.addEventListener('keydown', (e) => { // 如果正在录制快捷键，忽略 if (window.__xxt_recording) return; if (!isShortcutMatch(e, currentSettings.shortcut)) return; e.preventDefault(); const panel = document.getElementById('xxt-panel'); const btnExtract = document.getElementById('xxt-btnExtract'); if (!panel) return; // 触发提取 if (btnExtract && !btnExtract.disabled) { btnExtract.click(); } }); // ==================== 提取逻辑 ==================== const TYPE_MAP = { '多选题': '多选', '单选题': '单选', '选择题': '单选', '填空题': '填空', '判断题': '判断', '简答题': '简答', '论述题': '简答', '问答题': '简答', }; function detectTypeFromText(text) { const value = String(text || ''); for (const [label, type] of Object.entries(TYPE_MAP)) { if (value.includes(label)) return type; } // 随堂练习部分版本使用英文题型名或“正误题”等别名。 if (/单项选择|single.?choice|radio/i.test(value)) return '单选'; if (/多项选择|multiple.?choice|checkbox/i.test(value)) return '多选'; if (/正误题|是非题|true.?false|judg(e|ment)/i.test(value)) return '判断'; if (/填空|fill.?blank/i.test(value)) return '填空'; if (/论述|问答|简答|essay|subjective/i.test(value)) return '简答'; return null; } // 兼容随堂练习不同版本的题型属性命名。 function questionAttributeText(el) { if (!el || !el.getAttribute) return ''; const names = [ 'typeName', 'typename', 'data-type-name', 'data-question-type', 'data-type', 'questiontype', 'questionType', 'qtype', 'type' ]; return names.map(name => el.getAttribute(name) || '').filter(Boolean).join(' '); } function findQuestionType(question, stemEl) { if (!question) return null; const attrType = detectTypeFromText(questionAttributeText(question)); if (attrType) return attrType; const typeSelectors = [ '.newZy_TItle', '.questionType', '.question_type', '.typeName', '.type_name', '.qtype', '[data-role="question-type"]', '[data-role="type"]' ]; for (const selector of typeSelectors) { const typeEl = question.querySelector(selector); const type = typeEl && detectTypeFromText(typeEl.textContent || ''); if (type) return type; } // 有些随堂练习把“【单选题】”直接放在题干前面。 const ownText = question.textContent || ''; const ownType = detectTypeFromText(ownText); if (ownType) return ownType; if (stemEl) { const stemType = detectTypeFromText(stemEl.textContent || ''); if (stemType) return stemType; } // 题型标题可能是题目容器的前一个兄弟节点。 let node = question; for (let depth = 0; node && depth < 4; depth++, node = node.parentElement) { let previous = node.previousElementSibling; for (let count = 0; previous && count < 3; count++, previous = previous.previousElementSibling) { const text = previous.textContent || ''; if (!/(题|选择|判断|填空|问答|论述)/.test(text)) continue; const type = detectTypeFromText(text); if (type) return type; } } return null; } function findQuestionStemElement(question) { if (!question) return null; const selectors = [ '.mark_name', '.qtContent', '.Zy_TItle .qtContent', '.questionTitle', '.question_title', '.question-title', '.q_title', '.que_title', '.stem', '.questionStem', '[data-role="question"]', '[data-role="stem"]' ]; for (const selector of selectors) { const el = question.querySelector(selector); if (el && (el.textContent || '').trim() || el && el.querySelector('img')) return el; } return null; } function extractQuestionNumber(question, stemEl) { const attrNames = ['data-index', 'data-num', 'data-number', 'questionindex', 'index', 'num']; for (const name of attrNames) { const value = question && question.getAttribute && question.getAttribute(name); const match = String(value || '').match(/\d+/); if (match) return parseInt(match[0], 10); } const selectors = ['.q_num', '.questionNum', '.question_num', '.num', 'i.fl']; for (const selector of selectors) { const el = question && question.querySelector(selector); const match = el && (el.textContent || '').match(/\d+/); if (match) return parseInt(match[0], 10); } const text = stemEl ? stemEl.textContent || '' : question && question.textContent || ''; const match = text.match(/^\s*(\d+)\s*[.、)）]/); return match ? parseInt(match[1], 10) : 0; } // ==================== 富文本提取基础设施 ==================== // 块级标签：遍历子节点后自动追加换行，保证图文混排时段落结构正确 const RICH_BLOCK_TAGS = new Set(['P', 'DIV', 'LI', 'DD', 'DT', 'TR', 'TABLE', 'SECTION']); // 多属性 fallback 解析图片 URL，兼容学习通各种图片加载方式 function resolveImageUrl(img) { if (!img) return ''; const attrs = ['src', 'data-src', 'data-original', 'origin-src', 'fileid']; for (const attr of attrs) { const value = img.getAttribute(attr); if (value && value.trim()) return value.trim(); } return img.currentSrc || img.src || ''; } // 规范化富文本数组：合并相邻文本节点、去首尾空行、压缩空白 function normalizeRichContent(parts) { const normalized = []; const pushText = (text) => { if (!text) return; const value = text.replace(/\u00a0/g, ' ').replace(/[ \t\r\f]+/g, ' '); if (!value) return; const last = normalized[normalized.length - 1]; if (last && last.type === 'text') last.text += value; else normalized.push({ type: 'text', text: value }); }; const pushBreak = () => { const last = normalized[normalized.length - 1]; if (!last || last.type !== 'break') normalized.push({ type: 'break' }); }; for (const part of parts || []) { if (!part) continue; if (part.type === 'text') { pushText(part.text); } else if (part.type === 'image' && part.url) { normalized.push(part); } else if (part.type === 'break') { pushBreak(); } } while (normalized[0] && normalized[0].type === 'break') normalized.shift(); while (normalized[normalized.length - 1] && normalized[normalized.length - 1].type === 'break') normalized.pop(); return normalized; } // ==================== 章节测验加密字体还原 ==================== // 学习通使用 font-cxsecret 把乱码 Unicode 映射到真实汉字字形。 // 不能从 cmap 或 glyph 名称猜原字，改用 OCS/ScriptCat 432 的方案： // Typr 解析内嵌字体，计算每个中文字形路径的 MD5，再查映射表。 const fontCipherState = { // 顶层页面和多个 iframe 可能同时初始化；按 Document 隔离并发准备， // 避免 iframe 复用另一个文档的 Promise 而跳过自身解密。 preparingByDocument: new WeakMap(), // 学习通 font-cxsecret 的字形路径 → 原始汉字映射（OCS/ScriptCat 432 同源方案） secretMap: null, secretMapLoading: null, // 每个文档单独缓存当前 font-cxsecret 字体的“乱码码点 → 原字”映射。 // 页面动态追加题目时仍会继续处理新出现的 .font-cxsecret 节点。 secretReplacementsByDocument: new WeakMap(), }; function getUserscriptGlobal(name) { // @require 脚本在不同脚本管理器中可能挂到沙箱、页面 window 或 // unsafeWindow；逐个取值，避免“依赖已加载但当前作用域取不到”的情况。 const candidates = []; try { if (typeof unsafeWindow !== 'undefined') candidates.push(unsafeWindow); } catch (e) {} try { if (typeof globalThis !== 'undefined') candidates.push(globalThis); } catch (e) {} try { if (typeof window !== 'undefined') candidates.push(window); } catch (e) {} for (const scope of candidates) { try { if (scope && scope[name]) return scope[name]; } catch (e) {} } return null; } function getTyprApi() { try { if (typeof Typr !== 'undefined' && Typr) return Typr; } catch (e) {} return getUserscriptGlobal('Typr'); } function getMd5Api() { try { if (typeof md5 !== 'undefined' && md5) return md5; } catch (e) {} return getUserscriptGlobal('md5'); } function base64ToUint8Array(base64) { const data = window.atob(String(base64 || '').replace(/\s/g, '')); const buffer = new Uint8Array(data.length); for (let i = 0; i < data.length; i++) buffer[i] = data.charCodeAt(i); return buffer; } async function loadCxSecretFontMap() { if (fontCipherState.secretMap) return fontCipherState.secretMap; if (fontCipherState.secretMapLoading) return fontCipherState.secretMapLoading; // 优先使用 @resource，避免页面 CSP/CORS 阻止跨域 fetch；网络加载作为兜底。 try { if (typeof GM_getResourceText === 'function') { const bundled = GM_getResourceText('XXT_FONT_TABLE'); if (bundled) { const map = JSON.parse(bundled); if (map && typeof map === 'object') { fontCipherState.secretMap = map; return map; } } } } catch (e) {} const tableUrl = 'https://cdn.ocsjs.com/resources/font/table.json'; const parseMap = value => { const map = typeof value === 'string' ? JSON.parse(value) : value; return map && typeof map === 'object' ? map : {}; }; const loadByRequest = () => new Promise((resolve, reject) => { try { if (typeof GM_xmlhttpRequest !== 'function') return reject(new Error('GM_xmlhttpRequest unavailable')); GM_xmlhttpRequest({ method: 'GET', url: tableUrl, timeout: 30000, onload: response => { if (response.status >= 200 && response.status < 300) { try { resolve(parseMap(response.responseText)); } catch (e) { reject(e); } } else reject(new Error(`字体映射表加载失败：${response.status}`)); }, onerror: () => reject(new Error('字体映射表网络请求失败')), ontimeout: () => reject(new Error('字体映射表请求超时')), }); } catch (e) { reject(e); } }); fontCipherState.secretMapLoading = loadByRequest().catch(() => fetch(tableUrl, { credentials: 'omit', })).then(response => { if (response && !response.ok) throw new Error(`字体映射表加载失败：${response.status}`); return response && typeof response.json === 'function' ? response.json() : response; }).then(parseMap).then(map => { fontCipherState.secretMap = map; return map; }).catch(error => { // 不缓存失败状态，稍后页面网络恢复时允许再次尝试。 fontCipherState.secretMapLoading = null; window.__xxt_font_cipher_debug = { ok: false, reason: String(error && error.message || error) }; return {}; }); return fontCipherState.secretMapLoading; } function extractEmbeddedFontBase64(cssText) { const css = String(cssText || ''); const marker = /base64\s*,/ig; let found; while ((found = marker.exec(css))) { const rest = css.slice(marker.lastIndex); // 以 CSS data URL 的引号、右括号、分号或 format() 为结束； // 不能用“Base64 字符类”直接贪吃，因为 format 也是字母，会被误纳入字体。 const candidate = (rest.match(/^([\s\S]*?)(?=['")]|;|\s+format\s*\()/i) || ['', ''])[1] .replace(/\s/g, ''); if (candidate.length < 64) continue; try { const bytes = base64ToUint8Array(candidate); const header = String.fromCharCode(...bytes.slice(0, 4)); // sfnt/TrueType 头为 00 01 00 00；OTF、TTC 也可由 Typr 解析。 // TyprMd5.js 的 Typr.parse 直接支持 sfnt/OTF/TTC；它不支持 // WOFF 容器，因此不要把 WOFF 当作可解析字体交给 Typr。 if (header === '\u0000\u0001\u0000\u0000' || header === 'OTTO' || header === 'ttcf') { return candidate; } } catch (e) {} } return ''; } function getCxSecretTargets(root) { const scope = root && root.querySelectorAll ? root : document; // 旧版模板直接给元素添加 class；新版可能只通过 class 的组合形式， // 或仅通过 font-family 继承加密字体。 const classTargets = Array.from(scope.querySelectorAll('.font-cxsecret, [class*="font-cxsecret"]')); // OCS 的 getSecretFont 会优先取 .after：加密字体容器有时同时包含 // 选项按钮/伪元素，直接改写整个容器会破坏按钮结构。 const targets = new Set(classTargets.map(element => element.querySelector('.after') || element)); if (scope.querySelector('style') && !targets.size) { Array.from(scope.querySelectorAll('body *')).forEach(element => { try { if (/font-cxsecret/i.test(getComputedStyle(element).fontFamily || '')) targets.add(element); } catch (e) {} }); } // 若父元素已经命中，则不再重复扫描其中的子元素，避免重复改写文本节点。 return { classTargets, targets: Array.from(targets).filter(element => !Array.from(targets) .some(parent => parent !== element && parent.contains(element))), }; } async function decodeCxSecretFont(root) { const doc = root && root.nodeType === Node.DOCUMENT_NODE ? root : (root && root.ownerDocument) || document; const targetInfo = getCxSecretTargets(doc); const targets = targetInfo.targets; if (!targets.length) { window.__xxt_font_cipher_debug = { ok: false, reason: '未找到 font-cxsecret 目标元素', classTargets: targetInfo.classTargets.length, styles: doc.querySelectorAll ? doc.querySelectorAll('style').length : 0, }; return 0; } // 兼容章节测验把 @font-face 放在 body 或动态容器中的模板。遍历所有 // 相关 style，不能只取第一个无 base64 的样式。 let encodedFont = ''; for (const style of Array.from(doc.querySelectorAll('style'))) { if (!/font-cxsecret/i.test(style.textContent || '')) continue; // Base64 中允许换行；按 OCS/ScriptCat 的实现，以 data URL 的 // 引号、右括号或分号作为结束，不能在普通空白处提前截断。 encodedFont = extractEmbeddedFontBase64(style.textContent || ''); // 保留 OCS/ScriptCat 的宽松兜底：个别页面的 CSS data URL 没有 // 标准引号/分号，且字体头部可能由浏览器自动处理，不能因此放弃。 if (!encodedFont) { const fallback = (style.textContent || '').match(/base64,([\w\W]+?)['"]/i); if (fallback && fallback[1]) encodedFont = fallback[1].replace(/\s/g, ''); } if (encodedFont) break; } const typr = getTyprApi(); const md5Fn = getMd5Api(); if (!encodedFont || !typr || !md5Fn) { window.__xxt_font_cipher_debug = { ok: false, reason: '依赖或内嵌字体未找到', hasTargets: targets.length, hasStyle: !!encodedFont }; return 0; } let cached = fontCipherState.secretReplacementsByDocument.get(doc); if (!cached || cached.signature !== encodedFont) { const table = await loadCxSecretFontMap(); if (!table || !Object.keys(table).length) return 0; try { // 与 OCS 和 ScriptCat「超星字体解密」相同：不能从 cmap 或 glyph 名 // 推断原字，必须以绘制路径的 MD5 到原始汉字表中反查。 const parsed = typr.parse(base64ToUint8Array(encodedFont)); // Typr.js 的 parse 返回字体数组；兼容不同打包版本的单对象返回值。 const font = Array.isArray(parsed) ? parsed[0] : parsed; if (!font) return 0; const replacements = new Map(); for (let codePoint = 19968; codePoint < 40870; codePoint++) { const glyph = typr.U.codeToGlyph(font, codePoint); if (!glyph) continue; const path = typr.U.glyphToPath(font, glyph); const fingerprint = md5Fn(JSON.stringify(path)).slice(24); const original = Number(table[fingerprint]); if (Number.isInteger(original) && original >= 0x4e00 && original <= 0x9fff) { replacements.set(codePoint, String.fromCharCode(original)); } } if (!replacements.size) { window.__xxt_font_cipher_debug = { ok: false, reason: '字形指纹未匹配到映射表', fontBytes: encodedFont.length }; return 0; } cached = { signature: encodedFont, replacements }; fontCipherState.secretReplacementsByDocument.set(doc, cached); } catch (e) { window.__xxt_font_cipher_debug = { ok: false, reason: String(e && e.message || e), fontBytes: encodedFont.length, hasTypr: !!typr, hasMd5: !!md5Fn, }; return 0; } } const replacements = cached.replacements; window.__xxt_font_cipher_debug = { ok: true, targets: targets.length, replacements: replacements.size, fontBytes: encodedFont.length }; targets.forEach(element => { // 只替换文本节点，保留选项按钮、图片、公式等既有 DOM 结构。 const walker = doc.createTreeWalker(element, NodeFilter.SHOW_TEXT); const nodes = []; while (walker.nextNode()) nodes.push(walker.currentNode); nodes.forEach(node => { const replaced = Array.from(node.nodeValue || '', char => { const replacement = replacements.get(char.codePointAt(0)); return replacement || char; }).join(''); if (replaced !== node.nodeValue) node.nodeValue = replaced; }); }); // 即使实际文字节点位于 .after，也必须从其原始容器移除加密字体类。 // 否则轮询/MutationObserver 再次运行时会把已经还原的汉字二次映射。 targetInfo.classTargets.forEach(element => element.classList.remove('font-cxsecret')); return replacements.size; } async function prepareFontCipherDecoder(root) { // 完成原文替换后，后续 extractRichContent/textContent 会自然得到正确文字。 const doc = root && root.nodeType === Node.DOCUMENT_NODE ? root : (root && root.ownerDocument) || document; const pending = fontCipherState.preparingByDocument.get(doc); if (pending) return pending; const promise = decodeCxSecretFont(doc); fontCipherState.preparingByDocument.set(doc, promise); try { return await promise; } finally { if (fontCipherState.preparingByDocument.get(doc) === promise) { fontCipherState.preparingByDocument.delete(doc); } } } function decodeFontCipherText(text, element) { const raw = String(text || ''); if (!raw || !element) return raw; // 不再读取 data-value/data-content/title 等祖先属性：学习通的选项容器 // 经常把整条选项放进这些属性，逐个文本节点读取会造成“同一选项重复多次”。 // DOM 预替换遗漏时，再按真正应用了 font-cxsecret 的元素按需还原。 const doc = element.ownerDocument || document; const cached = fontCipherState.secretReplacementsByDocument.get(doc); if (!cached || !cached.replacements) return raw; let isCipherText = false; for (let node = element; node && node.nodeType === Node.ELEMENT_NODE; node = node.parentElement) { if (node.matches && node.matches('.font-cxsecret, [class*="font-cxsecret"]')) { isCipherText = true; break; } } if (!isCipherText) { try { isCipherText = /font-cxsecret/i.test(getComputedStyle(element).fontFamily || ''); } catch (e) {} } if (!isCipherText) return raw; return Array.from(raw, char => cached.replacements.get(char.codePointAt(0)) || char).join(''); } // 按 DOM 顺序提取富文本内容：保留文字、图片和换行的原始顺序 function extractRichContent(el) { const parts = []; if (!el) return parts; const walk = (node) => { if (!node) return; if (node.nodeType === Node.TEXT_NODE) { parts.push({ type: 'text', text: decodeFontCipherText(node.nodeValue || '', node.parentElement) }); return; } if (node.nodeType !== Node.ELEMENT_NODE && node.nodeType !== Node.DOCUMENT_FRAGMENT_NODE) return; const tag = node.nodeType === Node.ELEMENT_NODE ? node.tagName : ''; if (tag === 'SCRIPT' || tag === 'STYLE' || tag === 'NOSCRIPT') return; if (tag === 'IMG') { const url = resolveImageUrl(node); if (url) parts.push({ type: 'image', url, alt: node.getAttribute('alt') || '' }); return; } if (tag === 'BR') { parts.push({ type: 'break' }); return; } const beforeLen = parts.length; node.childNodes.forEach(walk); if (tag && RICH_BLOCK_TAGS.has(tag) && parts.length > beforeLen) parts.push({ type: 'break' }); }; el.childNodes.forEach(walk); return normalizeRichContent(parts); } // 将富文本数组转为纯文本，图片通过回调格式化 function richContentToText(content, imageFormatter) { let text = ''; for (const part of content || []) { if (part.type === 'text') text += part.text; else if (part.type === 'image') text += imageFormatter ? imageFormatter(part.url, part) : ''; else if (part.type === 'break') text += '\n'; } return text.replace(/[ \t]+\n/g, '\n').replace(/\n{3,}/g, '\n\n').trim(); } // 从富文本首段剥离选项字母（A~H），返回字母和剩余内容 function stripOptionPrefix(content) { const parts = (content || []).map(part => part.type === 'text' ? { ...part } : part); let letter = ''; for (const part of parts) { if (part.type !== 'text') continue; if (!part.text.trim()) continue; const match = part.text.match(/^\s*([A-H])\s*[\.、．]?\s*/i); if (match) { letter = match[1].toUpperCase(); part.text = part.text.slice(match[0].length); } break; } return { letter, content: normalizeRichContent(parts) }; } // 剥离题干前缀：题号（如"1."）和题型标签（如"（单选题）"） function stripQuestionPrefix(content) { const parts = (content || []).map(part => part.type === 'text' ? { ...part } : part); let strippedNumber = false; let strippedType = false; for (const part of parts) { if (part.type !== 'text') continue; // 去除末尾的分数标记，如 (2.0) part.text = part.text.replace(/\s*$\d+\.\d+$\s*$/, ''); if (!strippedNumber) { const before = part.text; part.text = part.text.replace(/^\s*\d+\.\s*/, ''); if (part.text !== before || part.text.trim()) strippedNumber = true; } if (!strippedType) { const before = part.text; // 剥离已知题型标签（支持圆括号、方头括号、半角括号），避免误伤选项字母 part.text = part.text.replace(/^\s*[［\[（【(](单选题|多选题|填空题|判断题|简答题|论述题|问答题|选择题)[］\]）】)]\s*/, ''); if (part.text !== before || part.text.trim()) strippedType = true; } } return normalizeRichContent(parts); } // 剥离答案标签前缀（如"正确答案："） function stripAnswerLabel(content) { const parts = (content || []).map(part => part.type === 'text' ? { ...part } : part); for (const part of parts) { if (part.type !== 'text') continue; if (!part.text.trim()) continue; part.text = part.text.replace(/^\s*(正确答案|参考答案|答案)\s*[:：]?\s*/, ''); break; } return normalizeRichContent(parts); } // 判断富文本是否有实质内容（文本或图片） function hasRichContent(content) { return (content || []).some(part => part.type === 'image' || (part.type === 'text' && part.text.trim())); } // 从“我的答案：B / 正确答案：C”所在的实际节点提取答案。 // 学习通的作业详情、考试阅卷页会频繁调整 class，但标签文本保持稳定。 function extractLabeledAnswerContent(qRoot, label) { if (!qRoot) return []; // 有些阅卷页把“正确答案”和答案值放在相邻 span，或使用零宽字符而没有冒号； // 标签本身仍可作为锚点，后续从整题文本中取其后的真实答案。 const labelPattern = label === 'correct' ? /(?:正确\s*答案|参考\s*答案)(?!解析)\s*(?:[：:]\s*)?/ : /我的\s*答案\s*(?:[：:]\s*)?/; // 题干中可能出现“下列哪个是正确答案？”之类的普通问句；它不是答案标签。 // 只要标签后紧跟问号，就不能把题干误识别为正确答案。 const isQuestionPhrase = (text, matched) => label === 'correct' && /^[\s]*[？?]/.test(String(text || '').slice((matched.index || 0) + matched[0].length)); const candidates = Array.from(qRoot.querySelectorAll('*')).filter(el => { const text = (el.textContent || '').replace(/\s+/g, ' ').trim(); const matched = text.match(labelPattern); if (!matched || isQuestionPhrase(text, matched)) return false; // 只取最内层、确实含该标签的答案节点，避免整个题目容器带入选项。 return !Array.from(el.children).some(child => labelPattern.test((child.textContent || '').replace(/\s+/g, ' ').trim())); }); for (const el of candidates) { const content = extractRichContent(el); const cleaned = (content || []).map(part => part.type === 'text' ? { ...part, text: part.text.replace(labelPattern, '') } : part); const normalized = normalizeRichContent(cleaned); if (hasRichContent(normalized)) return normalized; } // 某些新版阅卷页把“标签”和答案分别置于相邻 span；此时没有一个 // 最内层节点同时带完整文本，改从当前题目的可见文本中精确截取答案。 const plainText = (qRoot.textContent || '').replace(/[\u00a0\s]+/g, ' ').trim(); const matched = Array.from(plainText.matchAll(new RegExp(labelPattern.source, 'g'))) .find(match => !isQuestionPhrase(plainText, match)); if (!matched) return []; let tail = plainText.slice((matched.index || 0) + matched[0].length); // 同一答案条中通常还紧随“我的答案/正确答案”、对错图标文本和得分。 tail = tail.split(/(?=(?:我的\s*答案|正确\s*答案|参考\s*答案|答案解析|本题得分|得分|分值)\s*(?:[：:]\s*)?)/)[0]; // 选择题答案必须只取 A-H，防止把“0分”等页面排版文本带入答案。 const choice = tail.match(/^\s*([A-H](?:\s*[,，、;；|/]\s*[A-H])*)/i); if (choice) return [{ type: 'text', text: choice[1].replace(/[\s，、;；|/]/g, '').toUpperCase() }]; const judgement = tail.match(/^\s*(√|✓|×|✕|✖|正确|错误|对|错|是|否|true|false)/i); if (judgement) return [{ type: 'text', text: judgement[1] }]; // 填空或简答的答案保留到得分/状态标记之前。 const text = tail.replace(/\s*(?:[√✓×✕✖]|\d+(?:\.\d+)?\s*分).*$/, '').trim(); return text ? [{ type: 'text', text }] : []; } // 提取正确答案为富文本数组，保留图片和公式 function extractCorrectAnswerContent(qLi) { const markAnswer = qLi.querySelector('.mark_answer'); if (markAnswer) { const contents = []; markAnswer.querySelectorAll('.rightAnswerContent').forEach(el => { const content = stripAnswerLabel(extractRichContent(el)); if (hasRichContent(content)) { if (contents.length > 0) contents.push({ type: 'text', text: '；' }); contents.push(...content); } }); if (contents.length > 0) return normalizeRichContent(contents); const markKey = markAnswer.querySelector('.mark_key'); if (markKey) { const rightEl = markKey.querySelector('.colorGreen'); if (rightEl) { const content = stripAnswerLabel(extractRichContent(rightEl)); if (hasRichContent(content)) return content; } } const greenFill = markAnswer.querySelector('.mark_fill.colorGreen'); if (greenFill) { const dds = greenFill.querySelectorAll('dd'); const fillContents = []; dds.forEach(dd => { const content = stripAnswerLabel(extractRichContent(dd)); if (hasRichContent(content)) { if (fillContents.length > 0) fillContents.push({ type: 'text', text: '；' }); fillContents.push(...content); } }); if (fillContents.length > 0) return normalizeRichContent(fillContents); } const fallbackSelectors = ['.mark_key .colorGreen', '.mark_fill.colorGreen']; for (const selector of fallbackSelectors) { const el = markAnswer.querySelector(selector); if (!el) continue; const content = stripAnswerLabel(extractRichContent(el)); if (hasRichContent(content)) return content; } } // 不依赖 class 的最终回退，兼容截图中的“正确答案:C”新阅卷样式。 return extractLabeledAnswerContent(qLi, 'correct'); } function extractCorrectAnswer(qLi) { return richContentToText(extractCorrectAnswerContent(qLi), () => '').replace(/\s+/g, ' ').trim(); } // 适配器：兼容新旧数据格式，统一返回富文本数组 function questionContent(q) { if (hasRichContent(q.stemContent)) return q.stemContent; const parts = q.stem ? [{ type: 'text', text: q.stem }] : []; if (q.images && q.images.length) { q.images.forEach(url => parts.push({ type: 'break' }, { type: 'image', url })); } return normalizeRichContent(parts); } function optionContent(opt) { if (hasRichContent(opt.content)) return opt.content; return opt.text ? [{ type: 'text', text: opt.text }] : []; } function answerContent(q) { if (hasRichContent(q.correctAnswerContent)) return q.correctAnswerContent; return q.correctAnswer ? [{ type: 'text', text: q.correctAnswer }] : []; } // 编辑器使用可逆的纯文本表示：换行直接显示为编辑框中的自然换行， // 图片仍使用〔图片1〕占位符，保存时可以恢复原图片。 function richContentToEditableText(content) { let imageIndex = 0; let text = ''; for (const part of content || []) { if (part.type === 'text') text += part.text || ''; else if (part.type === 'break') text += '\n'; else if (part.type === 'image') text += `〔图片${++imageIndex}〕`; } return text.replace(/\n{3,}/g, '\n\n').trim(); } function editableTextToRichContent(text, originalContent) { const originals = (originalContent || []).filter(part => part.type === 'image'); const parts = []; const value = String(text || '').replace(/\r\n?/g, '\n'); const token = /〔图片(\d+)〕/g; let last = 0; const pushText = (s) => { if (s) parts.push({ type: 'text', text: s }); }; const pushValue = (s) => { const lines = String(s).split(/\n/); lines.forEach((line, i) => { pushText(line); if (i < lines.length - 1) parts.push({ type: 'break' }); }); }; let match; while ((match = token.exec(value))) { pushValue(value.slice(last, match.index)); const image = originals[parseInt(match[1], 10) - 1]; if (image) parts.push({ ...image }); else pushText(match[0]); last = match.index + match[0].length; } pushValue(value.slice(last)); return normalizeRichContent(parts); } function rebuildDerivedQuestionFields(q) { applyScoreDerivedAnswer(q); q.stem = formatRichForText(questionContent(q)); q.options = (q.options || []).map(opt => ({ ...opt, text: richTextOnly(optionContent(opt)), })); q.correctAnswer = richTextOnly(answerContent(q)); return q; } function toScoreNumber(value) { const matched = String(value ?? '').replace(/，/g, '.').match(/-?\d+(?:\.\d+)?/); if (!matched) return null; const score = Number(matched[0]); return Number.isFinite(score) ? score : null; } // 已批阅的章节测验/考试页有时只显示“我的答案 + 单题得分”，不展示正确答案。 // 得分只用于内部判定错题；当页面没有答案时，把“我的答案”直接放入可编辑的 // 附加答案，方便用户在题库/导出前自行修改，而不把得分写进界面或导出内容。 function applyScoreDerivedAnswer(q) { if (!q) return q; const score = toScoreNumber(q.score); const maxScore = toScoreNumber(q.maxScore); const scoreKnown = score !== null && maxScore !== null && maxScore > 0; q.score = score === null ? null : score; q.maxScore = maxScore === null ? null : maxScore; // 未满分即说明该题没有完全答对；0 分是最常见的明确错题情形。 q.wrongByScore = !!(scoreKnown && score < maxScore); q.partialByScore = !!(scoreKnown && score > 0 && score < maxScore); q.fullScoreByScore = !!(scoreKnown && score > 0 && Math.abs(score - maxScore) < 0.000001); const editableAnswer = String(q.myAnswer || '').trim(); if (editableAnswer && !hasRichContent(answerContent(q))) { q.correctAnswerContent = [{ type: 'text', text: editableAnswer }]; q.correctAnswer = editableAnswer; // 保留来源供内部判断：满分时是已确认答案，其他情况是可编辑的我的作答。 q.correctAnswerSource = q.fullScoreByScore ? 'full-score' : 'my-answer-editable'; } return q; } function unavailableCorrectAnswerText(q) { if (q && q.wrongByScore) return '（页面未显示正确答案）'; return '（未找到答案）'; } function isDataAnswerWrong(q, qtype) { applyScoreDerivedAnswer(q); if (q.wrongByScore) return true; if (qtype === '简答' || !q.myAnswer) return false; const correct = richTextOnly(answerContent(q)); if (!correct) return false; return !answersEqual(q.myAnswer, correct, qtype); } function recalculateExtractedMeta(data) { if (!data || !data.results) return data; let total = 0, wrongCount = 0, hasMyAnswer = false, hasCorrectAnswer = false; const order = data.typeOrder || Object.keys(data.results); for (const qtype of order) { const questions = data.results[qtype] || []; total += questions.length; for (const q of questions) { rebuildDerivedQuestionFields(q); if (q.myAnswer) hasMyAnswer = true; if (hasRichContent(answerContent(q))) hasCorrectAnswer = true; q.isWrong = isDataAnswerWrong(q, qtype); if (q.isWrong) wrongCount++; } } data.total = total; data.breakdown = Object.fromEntries(Object.entries(data.results).map(([k, v]) => [k, (v || []).length])); data.wrongCount = wrongCount; data.hasMyAnswer = hasMyAnswer; data.hasCorrectAnswer = hasCorrectAnswer; return data; } function refreshExtractedOutputCache(data) { if (!data) return data; recalculateExtractedMeta(data); data.text = formatOutput(data.results, data.typeOrder); data.textWithAnswers = formatOutputWithAnswers(data.results, data.typeOrder); data.textWrong = formatWrongQuestionsTXT(data.results, data.typeOrder); data.textMD = formatOutputMD(data.results, data.typeOrder); data.textWithAnswersMD = formatOutputWithAnswersMD(data.results, data.typeOrder); data.textWrongMD = formatWrongQuestionsMD(data.results, data.typeOrder); return data; } // Markdown URL 转义，防止特殊字符破坏图片语法 function escapeMarkdownAlt(text) { return (text || '图片').replace(/[\[\]\n\r]/g, ' ').trim() || '图片'; } function escapeMarkdownUrl(url) { // 编码 URL 中的特殊字符，防止破坏 Markdown 图片语法，保留已编码部分 return (url || '').replace(/[()\\]/g, (ch) => '%' + ch.charCodeAt(0).toString(16).toUpperCase()); } // 富文本格式化：TXT/MD 分别处理 function formatRichForText(content) { return richContentToText(content, (url) => `\n[图片: ${url}]\n`); } function formatRichForMD(content) { return richContentToText(content, (url, part) => `\n![${escapeMarkdownAlt(part.alt)}](${escapeMarkdownUrl(url)})\n`); } // 富文本转纯文本（忽略图片） function richTextOnly(content) { return richContentToText(content || [], () => '').replace(/\s+/g, ' ').trim(); } // 从旧版 li 元素提取选项（富文本） function extractOptionFromLegacyLi(li, index) { const parsed = stripOptionPrefix(extractRichContent(li)); const letter = parsed.letter || String.fromCharCode(65 + index); const text = richTextOnly(parsed.content); if (letter && (text || hasRichContent(parsed.content))) { return { letter, text, content: parsed.content }; } return null; } // 从新版 .answerBg 元素提取选项（富文本） function extractOptionFromAnswerBg(bg, index) { const numOption = bg.querySelector('.num_option'); const answerP = bg.querySelector('.answer_p'); if (numOption && answerP) { const letter = (numOption.getAttribute('data') || numOption.textContent.trim() || String.fromCharCode(65 + index)).trim().toUpperCase(); const content = extractRichContent(answerP); const text = richTextOnly(content); if (letter && (text || hasRichContent(content))) return { letter, text, content }; } return null; } // 兼容已完成考试的新版阅卷页：该页面通常用 .Zy_ulTop > li， // 而不是旧版限定的 .Zy_ulTop.qtDetail > li。 function extractChoiceOptions(qDiv) { const options = []; const seenNodes = new Set(); const byLetter = new Map(); const sources = [ ['.Zy_ulTop.qtDetail > li', 'legacy'], ['.Zy_ulTop > li', 'legacy'], ['.mark_letter > li', 'legacy'], ['.answerBg', 'answerBg'], ['.answer_bg', 'practice'] ]; sources.forEach(([selector, kind]) => { qDiv.querySelectorAll(selector).forEach(node => { if (seenNodes.has(node)) return; seenNodes.add(node); const parsed = kind === 'answerBg' ? extractOptionFromAnswerBg(node, options.length) : kind === 'legacy' ? extractOptionFromLegacyLi(node, options.length) : extractPracticeOption(node, options.length); if (!parsed || !/^[A-H]$/i.test(parsed.letter || '')) return; parsed.letter = parsed.letter.toUpperCase(); const previous = byLetter.get(parsed.letter); if (!previous) { byLetter.set(parsed.letter, parsed); options.push(parsed); } else if (!hasRichContent(previous.content) && hasRichContent(parsed.content)) { const position = options.indexOf(previous); if (position >= 0) options[position] = parsed; byLetter.set(parsed.letter, parsed); } }); }); return options.sort((a, b) => a.letter.localeCompare(b.letter)); } function extractMyAnswer(qLi, qtype) { const markAnswer = qLi.querySelector('.mark_answer'); if (markAnswer) { // 单选/多选/判断：从 .mark_key 中提取 const markKey = markAnswer.querySelector('.mark_key'); if (markKey) { const mySpan = markKey.querySelector('.colorDeep .stuAnswerContent'); if (mySpan && mySpan.textContent.trim()) return mySpan.textContent.trim(); } // 填空：从 .mark_fill.colorDeep 中提取 const deepFill = markAnswer.querySelector('.mark_fill.colorDeep'); if (deepFill) { const spans = deepFill.querySelectorAll('.stuAnswerContent'); if (spans.length > 0) return Array.from(spans).map(s => s.textContent.trim()).join('；'); } } return richTextOnly(extractLabeledAnswerContent(qLi, 'my')); } function normalizeAnswerText(answer) { return String(answer || '') .replace(/^\s*(?:我的答案|正确答案|答案)\s*[：:]\s*/i, '') .replace(/[\u00a0\s]+/g, '') .replace(/[，、；;]/g, ',') .trim() .toLowerCase(); } function normalizeChoiceAnswer(answer) { const normalized = normalizeAnswerText(answer).replace(/[,|/\\]+/g, ''); return /^[a-h]+$/i.test(normalized) ? [...new Set(normalized.toUpperCase().split(''))].sort().join('') : normalized; } function normalizeJudgementAnswer(answer) { const normalized = normalizeAnswerText(answer).replace(/[。.!！]/g, ''); if (/^(?:√|✓|对|正确|true|t|yes|是)$/i.test(normalized)) return 'true'; if (/^(?:×|✕|✖|错|错误|不正确|false|f|no|否)$/i.test(normalized)) return 'false'; return normalized; } function answersEqual(myAnswer, correctAnswer, qtype) { if (qtype === '单选' || qtype === '多选') { return normalizeChoiceAnswer(myAnswer) === normalizeChoiceAnswer(correctAnswer); } if (qtype === '判断') { return normalizeJudgementAnswer(myAnswer) === normalizeJudgementAnswer(correctAnswer); } return normalizeAnswerText(myAnswer) === normalizeAnswerText(correctAnswer); } function isAnswerWrong(qLi, myAnswer, correctAnswer, qtype) { if (qtype === '简答') return false; // 简答题不纳入错题统计 if (!myAnswer) return false; // 没有我的答案，不算错题 // 优先使用页面明确给出的判题状态，避免填空题同义答案等被字符串比较误判 if (qLi.querySelector('.marking_dui, [class*="marking_dui"], .icon-dui, [class*="icon-dui"], .rightIcon, .answerRight, .icon-right')) return false; if (qLi.querySelector('.marking_cuo, [class*="marking_cuo"], .icon-cuo, [class*="icon-cuo"], .wrongIcon, .answerWrong, .icon-wrong')) return true; if (!correctAnswer) return false; return !answersEqual(myAnswer, correctAnswer, qtype); } // Fisher-Yates 洗牌算法，同类型题目内部打乱 function shuffleQuestions(results, typeOrder) { const shuffled = {}; for (const qtype of typeOrder) { const arr = [...(results[qtype] || [])]; for (let i = arr.length - 1; i > 0; i--) { const j = Math.floor(Math.random() * (i + 1)); [arr[i], arr[j]] = [arr[j], arr[i]]; } shuffled[qtype] = arr; } return shuffled; } function extract(options) { const preferIframe = !!(options && options.preferIframe); // 收到 iframe 的新消息后必须先消费这份消息，不能先从父页面或尚未 // 完成切换的旧 iframe 中提取，否则切换随堂练习时会重复上一页题目。 if (preferIframe) { const iframeData = window.__xxt_iframe_data; window.__xxt_iframe_data = null; window.__xxt_iframe_context = null; if (iframeData && hasQuestions(iframeData)) return iframeData; // 主动向 iframe 请求最新数据却没有收到响应时，不能再递归读取可能 // 尚未替换的旧 iframe，否则仍会导出上一份随堂练习。 if (options && options.iframeOnly) return emptyExtractResult(); } // 优先从当前文档提取 const topResult = extractFromRoot(document); if (hasQuestions(topResult)) return topResult; // 检查 iframe 通过 postMessage 发来的最新数据（跨域 iframe 回传） const iframeData = window.__xxt_iframe_data; window.__xxt_iframe_data = null; // 每次提取后清空，确保下次拿到最新数据 window.__xxt_iframe_context = null; if (iframeData && hasQuestions(iframeData)) { return iframeData; } // 学生学习页面：题目在多层嵌套 iframe 中，递归查找（同源 iframe） const iframeResult = extractFromIframesRecursive(document); if (iframeResult) return iframeResult; // 兜底：返回空结果 return emptyExtractResult(); } // 用整页题目内容标识一次 iframe 结果，避免页面切换时把上一页结果 // 当成当前页。完整签名可降低不同题目页发生碰撞的概率。 function iframeDataSignature(data) { if (!data || !data.results) return ''; let total = 0; let hash = 2166136261; const add = (value) => { const text = String(value || ''); for (let i = 0; i < text.length; i++) { hash ^= text.charCodeAt(i); hash = Math.imul(hash, 16777619); } // 字段边界不能省略，例如“ab + c”和“a + bc”必须得到不同指纹。 hash ^= 124; hash = Math.imul(hash, 16777619); }; for (const type of Object.keys(data.results)) { const questions = data.results[type] || []; total += questions.length; add(type); add(questions.length); for (const q of questions) { add(String(q.stem || richTextOnly(q.stemContent || []) || '').replace(/\s+/g, ' ').trim()); for (const option of (q.options || [])) { add(option.letter || ''); add(String(option.text || richTextOnly(option.content || []) || '').replace(/\s+/g, ' ').trim()); } } } return `${total}|${(hash >>> 0).toString(36)}`; } // 检查提取结果是否包含题目 function hasQuestions(result) { return !!(result && result.results && Object.values(result.results).some(arr => Array.isArray(arr) && arr.length > 0)); } function richContentIdentity(content) { return (content || []).map(part => { if (!part) return ''; if (part.type === 'image') return `[图片:${String(part.url || '').slice(0, 4096)}:${String(part.alt || '').slice(0, 120)}]`; if (part.type === 'break') return '\n'; return String(part.text || ''); }).join('').replace(/\s+/g, ' ').trim(); } function getQuestionIdentity(type, question) { if (!question) return ''; const normalize = value => String(value || '').replace(/\s+/g, ' ').trim(); const stem = normalize(question.stem || richContentIdentity(question.stemContent || [])); if (!stem) return ''; const options = (question.options || []).map(option => `${normalize(option && option.letter)}:${normalize(option && (option.text || richContentIdentity(option.content || [])))}` ).join('|'); return `${type}|${stem}|${options}`; } // 读取随堂练习页面中的作答内容（未提交时通常为空）。 function extractPracticeMyAnswer(question, qtype) { if (!question) return ''; const checked = Array.from(question.querySelectorAll('input[type="radio"]:checked, input[type="checkbox"]:checked')); if (checked.length > 0) { const values = checked.map(input => { const value = input.getAttribute('data-value') || input.getAttribute('value') || ''; if (/^[A-H]$/i.test(value.trim())) return value.trim().toUpperCase(); const label = input.closest('label') || input.parentElement; const parsed = label ? stripOptionPrefix(extractRichContent(label)) : null; return parsed && parsed.letter ? parsed.letter : value.trim(); }).filter(Boolean); return values.join(qtype === '多选' ? ',' : ''); } const textarea = question.querySelector('textarea'); if (textarea && textarea.value.trim()) return textarea.value.trim(); const textInput = question.querySelector('input:not([type="radio"]):not([type="checkbox"]):not([type="hidden"])'); if (textInput && textInput.value) return textInput.value.trim(); // 已批阅的作业详情页不会保留 radio/checkbox 的 checked 状态，而是把 // “我的答案”放在 .mark_answer 或独立标签中；此时复用阅卷页解析。 return extractMyAnswer(question, qtype); } function extractPracticeCorrectAnswer(question) { if (!question) return []; const answer = question.querySelector( '.correctAnswer, .correct-answer, .rightAnswer, .right-answer, [data-correct-answer]' ); if (answer) { const content = stripAnswerLabel(extractRichContent(answer)); if (hasRichContent(content)) return content; } const value = question.getAttribute('data-correct-answer') || question.getAttribute('correctAnswer'); if (value) return [{ type: 'text', text: value }]; // /work/view 已批阅页常被前面的“随堂练习”分支先识别到 .questionLi， // 但正确答案实际在 .mark_answer/.mark_key 或“正确答案：C”标签中。 // 不能因为页面先命中练习结构就遗漏这部分阅卷信息。 return extractCorrectAnswerContent(question); } function extractPracticeOption(option, index) { if (!option) return null; const explicitLetter = option.getAttribute('data-letter') || option.getAttribute('data-option') || option.getAttribute('data-value') || option.querySelector('.num_option, .option-letter, .optionLetter, .letter'); const content = stripOptionPrefix(extractRichContent(option)); let letter = content.letter; if (!letter) { const raw = typeof explicitLetter === 'string' ? explicitLetter : explicitLetter && explicitLetter.textContent; const match = String(raw || '').trim().match(/^([A-H])(?:[.、．)）])?$/i); if (match) letter = match[1].toUpperCase(); } if (!letter) letter = String.fromCharCode(65 + index); const text = richTextOnly(content.content); if (!text && !hasRichContent(content.content)) return null; return { letter, text, content: content.content }; } // 新版考试阅卷页（exam-ans ... reVersionPaperMarkContentNew）使用 // .u-questionItem / .seeTitle / .titleBox .el-tag 结构。页面可能没有 // 正确答案，但会明确显示本题分值与得分。 function extractQuestionScoreInfo(questionEl, titleEl) { if (!questionEl) return { score: null, maxScore: null }; const titleCandidates = [titleEl, questionEl.querySelector('.seeTitle, .Zy_TItle, .mark_name, .Py-m1-title, .question-title') ].filter(Boolean); const titleText = titleCandidates.map(el => (el.textContent || '').replace(/\s+/g, ' ').trim()).join(' '); let maxScore = null; const titleMatch = titleText.match(/[（(][^）)]*?(\d+(?:\.\d+)?)\s*分\s*[）)]/) || titleText.match(/(?:单选题|多选题|填空题|判断题|简答题|论述题|问答题)[^\d]{0,12}(\d+(?:\.\d+)?)\s*分/); if (titleMatch) maxScore = toScoreNumber(titleMatch[1]); const scoreSelectors = [ '.titleBox .el-tag', '.mark_answer [class*="score"]', '.newAnswerBx [class*="score"]', '.myAnswerBx [class*="score"]', '.answerDet [class*="score"]', '.question-score', '.mark_score', '[data-score]' ]; const seen = new Set(); for (const selector of scoreSelectors) { for (const scoreEl of questionEl.querySelectorAll(selector)) { if (seen.has(scoreEl)) continue; seen.add(scoreEl); const rawScore = scoreEl.getAttribute('data-score') || scoreEl.getAttribute('score') || scoreEl.textContent; const score = toScoreNumber(rawScore); if (score !== null) return { score, maxScore }; } } // 兼容没有语义 class 的旧版：分数通常是答案区里的最内层“1.0 分”。 const answerArea = questionEl.querySelector('.mark_answer, .newAnswerBx, .answerDet, .answer-detail, .answerDetail'); if (answerArea) { const leaf = Array.from(answerArea.querySelectorAll('*')).find(el => { if (el.children.length) return false; const text = (el.textContent || '').replace(/\s+/g, ' ').trim(); return /^(?:本题)?得分\s*[：:]?\s*\d+(?:\.\d+)?\s*分?$/.test(text) || /^\d+(?:\.\d+)?\s*分$/.test(text); }); if (leaf) return { score: toScoreNumber(leaf.textContent), maxScore }; } return { score: null, maxScore }; } function applyQuestionScoreInfo(q, questionEl, titleEl) { if (!q) return q; const scoreInfo = extractQuestionScoreInfo(questionEl, titleEl); if (toScoreNumber(q.score) === null) q.score = scoreInfo.score; if (toScoreNumber(q.maxScore) === null) q.maxScore = scoreInfo.maxScore; return applyScoreDerivedAnswer(q); } function stripScoreReviewQuestionPrefix(content) { const parts = (content || []).map(part => part.type === 'text' ? { ...part } : part); for (const part of parts) { if (part.type !== 'text' || !part.text.trim()) continue; part.text = part.text .replace(/^\s*\d+\s*[.、]\s*/, '') .replace(/^\s*[（(]\s*(?:单选题|多选题|填空题|判断题|简答题|论述题|问答题|选择题)(?:\s*[,，]\s*\d+(?:\.\d+)?\s*分)?\s*[）)]\s*/, ''); break; } return normalizeRichContent(parts); } function extractScoreReviewOptions(questionEl) { const selectors = [ '.optionList .el-radio-group label', '.optionList .el-checkbox-group label', '.optionList label', '.option-list label' ]; const seen = new Set(); const options = []; selectors.forEach(selector => { questionEl.querySelectorAll(selector).forEach(node => { if (seen.has(node)) return; seen.add(node); const parsed = extractPracticeOption(node, options.length); if (parsed && /^[A-H]$/i.test(parsed.letter || '')) { parsed.letter = parsed.letter.toUpperCase(); if (!options.some(option => option.letter === parsed.letter)) options.push(parsed); } }); }); return options.sort((a, b) => a.letter.localeCompare(b.letter)); } function extractScoreReviewMyAnswer(questionEl, qtype, options) { const checked = []; questionEl.querySelectorAll('.optionList .is-checked, .option-list .is-checked, input[type="radio"]:checked, input[type="checkbox"]:checked').forEach(node => { const label = node.matches('label') ? node : (node.closest('label') || (node.parentElement && node.parentElement.closest('label')) || node); if (!label || checked.includes(label)) return; checked.push(label); }); const letters = checked.map((label, index) => { const parsed = extractPracticeOption(label, index); if (parsed && /^[A-H]$/i.test(parsed.letter || '')) return parsed.letter.toUpperCase(); const text = richTextOnly(extractRichContent(label)); const option = (options || []).find(item => text.includes(item.text) || item.text.includes(text)); return option ? option.letter : ''; }).filter(Boolean); const selectedAnswer = [...new Set(letters)].join(qtype === '多选' ? ',' : ''); if (selectedAnswer) return selectedAnswer; // 新版已批阅页面常把选项做成只读文本，已选状态不会保留在 radio/checkbox 上。 // 此时直接读取“我的答案：C”，仍然只作为本题作答记录；是否正确由页面 // 给出的答案或内部得分判断，不把分数展示到导出内容中。 return richTextOnly(extractLabeledAnswerContent(questionEl, 'my')); } function extractScoreReviewCorrectAnswer(questionEl) { const direct = questionEl.querySelector('.answerDet .answer, .correctAnswer, .correct-answer, .rightAnswer, .right-answer, [data-correct-answer]'); if (direct) { const content = stripAnswerLabel(extractRichContent(direct)); if (hasRichContent(content)) return content; } return extractCorrectAnswerContent(questionEl); } function extractFromScoreReviewRoot(root) { const questionEls = Array.from(root.querySelectorAll('.u-questionItem')).filter(question => question.querySelector('.seeTitle') || question.querySelector('.titleBox') ); if (!questionEls.length) return null; const results = { '单选': [], '多选': [], '填空': [], '判断': [], '简答': [] }; const typeOrder = []; let wrongCount = 0; let hasMyAnswer = false; let hasCorrectAnswer = false; questionEls.forEach((questionEl, index) => { const titleEl = questionEl.querySelector('.seeTitle, .question-title, .titleBox'); if (!titleEl) return; const titleText = (titleEl.textContent || '').replace(/\s+/g, ' ').trim(); const qtype = detectTypeFromText(titleText) || findQuestionType(questionEl, titleEl); if (!qtype || !results[qtype]) return; if (!typeOrder.includes(qtype)) typeOrder.push(qtype); const stemSource = titleEl.querySelector('.ql-editor') || titleEl; const stemContent = stripScoreReviewQuestionPrefix(stripQuestionPrefix(extractRichContent(stemSource))); if (!hasRichContent(stemContent)) return; const options = extractScoreReviewOptions(questionEl); const myAnswer = extractScoreReviewMyAnswer(questionEl, qtype, options); const correctAnswerContent = extractScoreReviewCorrectAnswer(questionEl); const correctAnswer = richTextOnly(correctAnswerContent); const numberMatch = titleText.match(/^\s*(\d{1,4})\s*[.、]/); const data = { qnum: numberMatch ? Number(numberMatch[1]) : index + 1, stem: formatRichForText(stemContent), stemContent, options, correctAnswer, correctAnswerContent, myAnswer, isWrong: false }; applyQuestionScoreInfo(data, questionEl, titleEl); data.isWrong = isDataAnswerWrong(data, qtype); if (myAnswer) hasMyAnswer = true; if (hasRichContent(answerContent(data))) hasCorrectAnswer = true; if (data.isWrong) wrongCount++; results[qtype].push(data); }); if (!hasQuestions({ results })) return null; return { results, typeOrder, wrongCount, hasMyAnswer, hasCorrectAnswer }; } // 随堂练习 answerQuestion2 页面：题号、题型和题干在同一标题行，选项是普通 li。 function extractFromQuizPracticeRoot(root) { const typePattern = /^(?:[［\[【(（].*(题)[］\]】)）]|(?:单选题|多选题|填空题|判断题|简答题|选择题))$/; const typePredicate = el => { const text = (el.textContent || '').trim(); if (text.length > 20 || !detectTypeFromText(text) || !typePattern.test(text)) return false; // 只保留最内层文本节点，避免同一标签的祖先元素重复计数。 return !Array.from(el.children || []).some(child => typePredicate(child)); }; const numberPredicate = el => /^\s*\d+\s*[.、)）]\s*$/.test((el.textContent || '').trim()); const typeElements = Array.from(root.querySelectorAll('*')).filter(typePredicate); if (typeElements.length === 0) return null; const results = { '单选': [], '多选': [], '填空': [], '判断': [], '简答': [] }; const typeOrder = []; let wrongCount = 0; let hasMyAnswer = false; let hasCorrectAnswer = false; const allElements = Array.from(root.querySelectorAll('*')); const allOptions = Array.from(root.querySelectorAll('li')); const elementIndex = new Map(allElements.map((el, index) => [el, index])); const submitBoundary = allElements.find(el => { const text = (el.textContent || '').trim(); return text === '提交' && el.children.length <= 2; }) || null; const submitIndex = submitBoundary ? elementIndex.get(submitBoundary) : allElements.length; const isBetween = (index, start, end) => index > start && index < end; const isLeafText = el => { if (!el || el.closest('li')) return false; const text = (el.textContent || '').trim(); if (!text || numberPredicate(el) || typePredicate(el)) return false; return el.children.length === 0 || Array.from(el.children).every(child => ['BR', 'IMG'].includes(child.tagName)); }; typeElements.forEach((typeEl, index) => { const typeIndex = elementIndex.get(typeEl); const nextType = typeElements[index + 1] || null; const nextTypeIndex = nextType ? elementIndex.get(nextType) : submitIndex; const sectionType = detectTypeFromText(typeEl.textContent || ''); if (!sectionType) return; if (!typeOrder.includes(sectionType)) typeOrder.push(sectionType); // 题号是题型标签前最近的纯数字标题；优先从同一标题行的兄弟节点读取。 const titleParent = typeEl.parentElement; const titleSiblings = titleParent ? Array.from(titleParent.children) : []; const siblingTypeIndex = titleSiblings.indexOf(typeEl); let numberEl = titleSiblings.slice(0, siblingTypeIndex).reverse().find(numberPredicate) || null; if (!numberEl) { numberEl = allElements.slice(0, allElements.indexOf(typeEl)).reverse().find(numberPredicate) || null; } const firstOption = allOptions.find(li => { const liIndex = elementIndex.get(li); return isBetween(liIndex, typeIndex, nextTypeIndex) && liIndex < submitIndex; }); const firstOptionIndex = firstOption ? elementIndex.get(firstOption) : nextTypeIndex; let stemContent = []; try { // 题干容器有时同时包住选项，不能只筛“无子节点”的元素； // 用 Range 截取题型标签到第一项之间的内容，避免把选项文本带入题干。 const rangeDocument = root.ownerDocument || root; const range = rangeDocument.createRange(); range.setStartAfter(typeEl); if (firstOption) range.setEndBefore(firstOption); else if (nextType) range.setEndBefore(nextType); else range.setEndAfter(typeEl); stemContent = stripQuestionPrefix(extractRichContent(range.cloneContents())); } catch (e) { const stemEl = allElements.find(el => { const elIndex = elementIndex.get(el); return isBetween(elIndex, typeIndex, firstOptionIndex) && isLeafText(el); }) || null; stemContent = stemEl ? stripQuestionPrefix(extractRichContent(stemEl)) : []; } if (!hasRichContent(stemContent)) return; const options = []; allOptions.forEach((li, optionIndex) => { const liIndex = elementIndex.get(li); if (!isBetween(liIndex, typeIndex, nextTypeIndex) || liIndex >= submitIndex) return; const parsed = extractPracticeOption(li, optionIndex); if (parsed && /^[A-H]$/.test(parsed.letter)) options.push(parsed); }); const uniqueOptions = Array.from(new Map(options.map(option => [option.letter, option])).values()) .sort((a, b) => a.letter.localeCompare(b.letter)); // 答案输入控件若存在，限定在当前题目区间内读取。 const rangeElements = allElements.filter(el => { const elIndex = elementIndex.get(el); return isBetween(elIndex, typeIndex, nextTypeIndex) && elIndex < submitIndex; }); const answerRoot = rangeElements[0] ? rangeElements[0].parentElement : titleParent; const myAnswer = extractPracticeMyAnswer(answerRoot, sectionType); const correctAnswerContent = extractPracticeCorrectAnswer(answerRoot); const correctAnswer = richContentToText(correctAnswerContent, () => '').replace(/\s+/g, ' ').trim(); if (myAnswer) hasMyAnswer = true; const data = { qnum: numberEl ? parseInt((numberEl.textContent || '').match(/\d+/)?.[0] || '0', 10) : index + 1, stem: formatRichForText(stemContent), stemContent, options: uniqueOptions, correctAnswer, correctAnswerContent, myAnswer, isWrong: false }; applyQuestionScoreInfo(data, answerRoot, titleParent || typeEl.parentElement); const wrong = isDataAnswerWrong(data, sectionType); data.isWrong = wrong; if (hasRichContent(answerContent(data))) hasCorrectAnswer = true; if (wrong) wrongCount++; results[sectionType].push(data); }); const total = Object.values(results).reduce((sum, list) => sum + list.length, 0); if (total === 0) return null; return { results, typeOrder, wrongCount, hasMyAnswer, hasCorrectAnswer }; } // 随堂练习的题目结构在不同课程中差异较大，统一从题目属性、题干和选项推断。 function extractFromPracticeRoot(root) { const quizResult = extractFromQuizPracticeRoot(root); if (quizResult) return quizResult; const selectors = [ '.questionLi', '.questionItem', '.question-item', '.exam-question', '.testQuestion', '.test-question', '.stuQuestion', '.question_box', '[data-question-id]', '[data-question-type]', '[data-questiontype]' ]; const questions = []; const seen = new Set(); selectors.forEach(selector => { root.querySelectorAll(selector).forEach(question => { if (seen.has(question)) return; const stemEl = findQuestionStemElement(question); const type = findQuestionType(question, stemEl); if (!stemEl || !type) return; seen.add(question); questions.push({ question, stemEl, type }); }); }); if (questions.length === 0) return null; const results = { '单选': [], '多选': [], '填空': [], '判断': [], '简答': [] }; const typeOrder = []; let wrongCount = 0; let hasMyAnswer = false; let hasCorrectAnswer = false; questions.forEach(({ question, stemEl, type }) => { const stemContent = stripQuestionPrefix(extractRichContent(stemEl)); if (!hasRichContent(stemContent)) return; const stem = formatRichForText(stemContent); const optionSelectors = [ '.answerBg', '.answer_bg', '.option', '.option-item', '.answerOption', '.answer-option', '.answer_box', '.answerBox', 'li[data-option]', 'li[data-letter]', 'label.option', 'label.answer' ]; const options = []; const optionSeen = new Set(); optionSelectors.forEach(selector => { question.querySelectorAll(selector).forEach(option => { if (optionSeen.has(option)) return; optionSeen.add(option); const parsed = selector === '.answerBg' ? extractOptionFromAnswerBg(option, options.length) : extractPracticeOption(option, options.length); if (parsed) options.push(parsed); }); }); options.sort((a, b) => a.letter.localeCompare(b.letter)); const myAnswer = extractPracticeMyAnswer(question, type); const correctAnswerContent = extractPracticeCorrectAnswer(question); const correctAnswer = richContentToText(correctAnswerContent, () => '').replace(/\s+/g, ' ').trim(); if (myAnswer) hasMyAnswer = true; if (!typeOrder.includes(type)) typeOrder.push(type); const data = { qnum: extractQuestionNumber(question, stemEl), stem, stemContent, options, correctAnswer, correctAnswerContent, myAnswer, isWrong: false }; applyQuestionScoreInfo(data, question, stemEl); const wrong = isDataAnswerWrong(data, type); data.isWrong = wrong; if (hasRichContent(answerContent(data))) hasCorrectAnswer = true; if (wrong) wrongCount++; results[type].push(data); }); if (!hasQuestions({ results })) return null; return { results, typeOrder, wrongCount, hasMyAnswer, hasCorrectAnswer }; } // 从章节测验/考试页面（.TiMu.newTiMu 结构）提取题目 // 手机端 /work/phone/work 使用 .Py-mian1 结构，桌面选择器在这里完全不存在。 // 只读题干、题型、选项和已显示答案，不触发提交或答题。 function extractFromPhoneWorkRoot(root) { const questions = Array.from(root.querySelectorAll('.Py-mian1')); if (!questions.length) return null; // 使用题库内部统一的类型键（而不是页面显示的“单选题”等标签）， // 否则批量结果合并时会被 QUESTION_BANK_TYPES 过滤掉。 const typeMap = { '0': '单选', '1': '多选', '2': '填空', '3': '判断' }; const results = { '单选': [], '多选': [], '填空': [], '判断': [], '简答': [] }; const typeOrder = []; let wrongCount = 0; let hasMyAnswer = false; let hasCorrectAnswer = false; questions.forEach((question, index) => { const title = question.querySelector('.Py-m1-title, .Py-m1-title.fs16'); if (!title) return; const inputs = Array.from(question.querySelectorAll('input[id*="answertype"], input[name*="answertype"]')); const typeValue = inputs.map(input => input.value || input.getAttribute('value')).find(value => typeMap[String(value)] !== undefined); const sectionType = typeMap[String(typeValue)] || detectTypeFromText(title.textContent || ''); if (!sectionType || !results[sectionType]) return; if (!typeOrder.includes(sectionType)) typeOrder.push(sectionType); const stemContent = stripQuestionPrefix(extractRichContent(title)); if (!hasRichContent(stemContent)) return; let options = []; if (sectionType === '单选' || sectionType === '多选') { options = Array.from(question.querySelectorAll('.answerList li')).map((li, optionIndex) => { const parsed = stripOptionPrefix(extractRichContent(li)); const marker = li.querySelector('em[id-param], em[data-value], .num_option'); const rawLetter = marker && (marker.getAttribute('id-param') || marker.getAttribute('data-value') || marker.textContent); const letterMatch = String(rawLetter || '').trim().match(/[A-H]/i) || String(parsed.letter || '').match(/[A-H]/i); const letter = letterMatch ? letterMatch[0].toUpperCase() : String.fromCharCode(65 + optionIndex); const text = richTextOnly(parsed.content); return text || hasRichContent(parsed.content) ? { letter, text, content: parsed.content } : null; }).filter(Boolean).filter((item, itemIndex, list) => list.findIndex(other => other.letter === item.letter) === itemIndex); } else if (sectionType === '判断题') { options = [{ letter: 'A', text: '对', content: [{ type: 'text', text: '对' }] }, { letter: 'B', text: '错', content: [{ type: 'text', text: '错' }] }]; } const correctAnswerContent = extractCorrectAnswerContent(question); const correctAnswer = richTextOnly(correctAnswerContent); const myAnswer = extractPracticeMyAnswer(question, sectionType); if (myAnswer) hasMyAnswer = true; if (correctAnswer) hasCorrectAnswer = true; const numberMatch = (title.textContent || '').match(/(?:^|\s)(\d{1,4})\s*[.、．)]/); const data = { qnum: numberMatch ? Number(numberMatch[1]) : index + 1, stem: formatRichForText(stemContent), stemContent, options, correctAnswer, correctAnswerContent, myAnswer, isWrong: false }; applyQuestionScoreInfo(data, question, title); data.isWrong = isDataAnswerWrong(data, sectionType); if (hasRichContent(answerContent(data))) hasCorrectAnswer = true; if (data.isWrong) wrongCount++; results[sectionType].push(data); }); if (!hasQuestions({ results })) return null; return { results, typeOrder, wrongCount, hasMyAnswer, hasCorrectAnswer }; } function extractFromTiMuRoot(root) { // 章节测验在不同版本中，题目容器可能是 #ZyBottom .aiArea， // 也可能直接以 .TiMu 挂在页面上。两种结构都作为候选。 let areas = Array.from(root.querySelectorAll('#ZyBottom .aiArea, .aiArea')); if (areas.length === 0) { areas = Array.from(root.querySelectorAll('.TiMu.newTiMu, .TiMu')); } if (areas.length === 0) return null; const results = { '单选': [], '多选': [], '填空': [], '判断': [], '简答': [] }; const typeOrder = []; let wrongCount = 0; let hasAnyMyAnswer = false; let hasCorrectAnswer = false; let currentType = null; // 提取章节测验页面中我的答案 function extractMyAnswerTiMu(qDiv) { const myAnswerBx = qDiv.querySelector('.newAnswerBx .myAnswerBx'); const con = myAnswerBx && myAnswerBx.querySelector('.myAnswer .answerCon'); if (con && con.textContent.trim()) return con.textContent.trim(); // /mooc-ans/mooc2/work/view 等作业详情页的答案位于 .mark_answer； // 页面同样可能带 .TiMu/.aiArea，不能因优先走本分支而漏掉它。 return extractMyAnswer(qDiv, ''); } // 提取章节测验页面中正确答案的富文本内容 function extractCorrectAnswerContentTiMu(qDiv) { const correctBx = qDiv.querySelector('.newAnswerBx .correctAnswerBx'); const con = correctBx && correctBx.querySelector('.correctAnswer .answerCon'); if (con) { const content = stripAnswerLabel(extractRichContent(con)); if (hasRichContent(content)) return content; } // 回退到作业详情的 .mark_answer/.mark_key/.colorGreen 结构。 return extractCorrectAnswerContent(qDiv); } // 判断章节测验页面中是否答错 function isAnswerWrongTiMu(qDiv, myAnswer, correctAnswer, qtype) { // 复用通用错题判断：同时支持 marking_dui/cuo 以及作业详情页的 // icon-dui/cuo、rightIcon/wrongIcon 等状态图标，最后才比对答案。 return isAnswerWrong(qDiv, myAnswer, correctAnswer, qtype); } const seenTiMu = new Set(); areas.forEach(area => { // 题型标题通常位于 aiArea 内部或其前一个兄弟节点。 const typeTit = area.querySelector('.newTestType') || (area.previousElementSibling && area.previousElementSibling.querySelector('.newTestType')); if (typeTit) { currentType = detectTypeFromText(typeTit.textContent || ''); if (currentType && !typeOrder.includes(currentType)) typeOrder.push(currentType); } // 一个 aiArea 可能包含多道 .TiMu；旧逻辑只取第一道，导致章节题量偏少。 const qDivs = area.matches('.TiMu.newTiMu, .TiMu') ? [area] : Array.from(area.querySelectorAll('.TiMu.newTiMu, .TiMu')); qDivs.forEach(qDiv => { if (!qDiv || seenTiMu.has(qDiv)) return; seenTiMu.add(qDiv); const titleDiv = qDiv.querySelector('.Zy_TItle'); if (!titleDiv) return; const numEl = titleDiv.querySelector('i.fl'); const qnum = numEl ? parseInt(numEl.textContent.trim(), 10) || 0 : 0; const qtContent = titleDiv.querySelector('.qtContent'); if (!qtContent) return; const stemContent = stripQuestionPrefix(extractRichContent(qtContent)); if (!hasRichContent(stemContent)) return; const stem = formatRichForText(stemContent); // 题型识别：优先使用最近遇到的题型标题，其次从题干标签识别 let sectionType = currentType; if (!sectionType) { const typeLabel = qtContent.querySelector('.newZy_TItle'); // 部分新版章节测验不再使用 .newZy_TItle，题型以“【单选题】” // 等文本直接写在题干中；此时从整个题干识别。 sectionType = detectTypeFromText(`${typeLabel ? typeLabel.textContent : ''} ${qtContent.textContent || ''}`); } if (!sectionType) return; if (!typeOrder.includes(sectionType)) typeOrder.push(sectionType); // 已完成考试的新版阅卷页常为 .Zy_ulTop > li，旧版才带 qtDetail。 // 不再只限定 qtDetail，否则题干正常但所有选择题选项会为空。 const options = extractChoiceOptions(qDiv); const myAnswer = extractMyAnswerTiMu(qDiv); if (myAnswer) hasAnyMyAnswer = true; const correctAnswerContent = extractCorrectAnswerContentTiMu(qDiv); const correctAnswer = richContentToText(correctAnswerContent, () => '').replace(/\s+/g, ' ').trim(); const data = { qnum, stem, stemContent, options, correctAnswer, correctAnswerContent, myAnswer, isWrong: false }; applyQuestionScoreInfo(data, qDiv, titleDiv); const wrong = isAnswerWrongTiMu(qDiv, myAnswer, data.correctAnswer, sectionType) || isDataAnswerWrong(data, sectionType); data.isWrong = wrong; if (hasRichContent(answerContent(data))) hasCorrectAnswer = true; if (wrong) wrongCount++; results[sectionType].push(data); }); }); if (!hasQuestions({ results })) return null; const allQuestions = Object.values(results).flat(); window.__xxt_exam_option_debug = { href: location.href, questionCount: allQuestions.length, choiceQuestionCount: allQuestions.filter(q => q.options && q.options.length).length, answerQuestionCount: allQuestions.filter(q => q.correctAnswer).length, wrongCount, emptyChoiceQuestions: allQuestions .filter(q => !q.options || !q.options.length) .filter(q => /单选|多选/.test(String(q.stem || ''))) .slice(0, 20) .map(q => q.qnum || 0), answers: allQuestions.slice(0, 20).map(q => ({ qnum: q.qnum || 0, myAnswer: q.myAnswer || '', correctAnswer: q.correctAnswer || '', isWrong: !!q.isWrong })) }; return { results, typeOrder, wrongCount, hasMyAnswer: hasAnyMyAnswer, hasCorrectAnswer }; } // 从指定文档/根节点提取题目（支持 .mark_item、.questionLi、.TiMu.newTiMu 三种结构，富文本版本） function extractFromRoot(root) { // 先识别新版考试阅卷页。它同样可能有通用题目 class，必须在 // 通用练习分支之前读取单题得分，才能将 0 分题可靠归入错题。 const scoreReviewResult = extractFromScoreReviewRoot(root); if (scoreReviewResult) return scoreReviewResult; const phoneWorkResult = extractFromPhoneWorkRoot(root); if (phoneWorkResult) return phoneWorkResult; // 优先章节测验/考试页面结构 const tiMuResult = extractFromTiMuRoot(root); if (tiMuResult) return tiMuResult; // 与原脚本一致：已批阅作业页的 .mark_item 必须优先于通用 // .questionLi/随堂练习分支。两者会同时出现，若先走练习分支就会 // 只提取题目和选项、漏掉 .mark_answer 中的正确答案。 const markItems = root.querySelectorAll('.mark_item'); if (markItems.length === 0) { const practiceResult = extractFromPracticeRoot(root); if (practiceResult) return practiceResult; } const results = { '单选': [], '多选': [], '填空': [], '判断': [], '简答': [] }; const typeOrder = []; // 优先 .mark_item 结构（带答案的作业详情页） if (markItems.length > 0) { let wrongCount = 0; let hasAnyMyAnswer = false; let hasCorrectAnswer = false; markItems.forEach(markItem => { const typeTit = markItem.querySelector('.type_tit'); if (!typeTit) return; const sectionType = detectTypeFromText(typeTit.textContent || ''); if (!sectionType) return; if (!typeOrder.includes(sectionType)) typeOrder.push(sectionType); const questionLis = markItem.querySelectorAll('.questionLi'); questionLis.forEach(qLi => { const qtContent = qLi.querySelector('.qtContent'); if (!qtContent) return; // 富文本提取题干 const stemContent = stripQuestionPrefix(extractRichContent(qtContent)); if (!hasRichContent(stemContent)) return; const stem = formatRichForText(stemContent); // 作业详情页不总是使用 .mark_letter；复用所有考试结构的选项选择器。 const options = extractChoiceOptions(qLi); const correctAnswerContent = extractCorrectAnswerContent(qLi); const correctAnswer = richContentToText(correctAnswerContent, () => '').replace(/\s+/g, ' ').trim(); const myAnswer = extractMyAnswer(qLi, sectionType); if (myAnswer) hasAnyMyAnswer = true; const data = { stem, stemContent, options, correctAnswer, correctAnswerContent, myAnswer, isWrong: false }; applyQuestionScoreInfo(data, qLi, qtContent); const wrong = isAnswerWrong(qLi, myAnswer, data.correctAnswer, sectionType) || isDataAnswerWrong(data, sectionType); data.isWrong = wrong; if (hasRichContent(answerContent(data))) hasCorrectAnswer = true; if (wrong) wrongCount++; results[sectionType].push(data); }); }); return { results, typeOrder, wrongCount, hasMyAnswer: hasAnyMyAnswer, hasCorrectAnswer }; } // 新版页面 .questionLi 结构（学习页面，通常无答案） const questionLis = root.querySelectorAll('.questionLi'); if (questionLis.length > 0) { questionLis.forEach(qLi => { const stemEl = findQuestionStemElement(qLi); const typeName = `${questionAttributeText(qLi)} ${qLi.getAttribute('typeName') || ''}`; const sectionType = detectTypeFromText(typeName) || findQuestionType(qLi, stemEl); if (!sectionType) return; if (!typeOrder.includes(sectionType)) typeOrder.push(sectionType); const qData = extractFromQuestionLi(qLi, sectionType); if (qData) results[sectionType].push(qData); }); return { results, typeOrder, wrongCount: 0, hasMyAnswer: false, hasCorrectAnswer: false }; } return { results, typeOrder, wrongCount: 0, hasMyAnswer: false, hasCorrectAnswer: false }; } // 从单个 .questionLi 提取题目（富文本版本） function extractFromQuestionLi(qLi, sectionType) { const markName = findQuestionStemElement(qLi); if (!markName) return null; const stemContent = stripQuestionPrefix(extractRichContent(markName)); if (!hasRichContent(stemContent)) return null; const stem = formatRichForText(stemContent); const options = []; const optionSelectors = [ '.answerBg', '.answer_bg', '.option', '.option-item', '.answerOption', '.answer-option', '.answer_box', '.answerBox', 'li[data-option]', 'li[data-letter]', 'label.option', 'label.answer' ]; const seenOptions = new Set(); optionSelectors.forEach(selector => { qLi.querySelectorAll(selector).forEach((option, i) => { if (seenOptions.has(option)) return; seenOptions.add(option); const parsed = selector === '.answerBg' ? extractOptionFromAnswerBg(option, options.length) : extractPracticeOption(option, options.length); if (parsed) options.push(parsed); }); }); options.sort((a, b) => a.letter.localeCompare(b.letter)); return { stem, stemContent, options, correctAnswer: '', correctAnswerContent: [], myAnswer: '', isWrong: false }; } // 递归遍历所有 iframe（含嵌套 iframe）查找题目 function extractFromIframesRecursive(root) { const iframes = root.querySelectorAll('iframe'); for (const iframe of iframes) { let doc; try { doc = iframe.contentDocument || (iframe.contentWindow && iframe.contentWindow.document); } catch (e) { continue; } if (!doc) continue; const result = extractFromRoot(doc); if (hasQuestions(result)) return result; const nested = extractFromIframesRecursive(doc); if (nested) return nested; } return null; } // ==================== TXT 格式化（富文本） ==================== function formatOutput(results, typeOrder, withAnswers = false) { const typeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题', }; const typeNumbers = ['一', '二', '三', '四', '五', '六']; let output = ''; let globalNum = 0; let sectionIdx = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const label = typeLabels[qtype]; const num = typeNumbers[sectionIdx] || sectionIdx + 1; output += `${num}. ${label}（共${questions.length}题）\n`; for (const q of questions) { globalNum++; output += `${globalNum}. ${formatRichForText(questionContent(q))}\n`; if (q.options && q.options.length > 0) { for (const opt of q.options) { output += `${opt.letter}. ${formatRichForText(optionContent(opt))}\n`; } } if (withAnswers) { const answer = formatRichForText(answerContent(q)) || unavailableCorrectAnswerText(q); output += `答案：${answer}\n`; } output += '\n'; } sectionIdx++; } return output.trim(); } function formatAnswersTXT(results, typeOrder) { const typeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题' }; const typeNumbers = ['一', '二', '三', '四', '五', '六']; let output = ''; let globalNum = 0; let sectionIdx = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const num = typeNumbers[sectionIdx] || sectionIdx + 1; output += `${num}、${typeLabels[qtype]}\n\n`; sectionIdx++; for (const q of questions) { globalNum++; const answer = formatRichForText(answerContent(q)) || unavailableCorrectAnswerText(q); if (qtype === '填空' && answer.includes('；')) { const parts = answer.split('；').map(p => p.trim().replace(/^$\d+$\s*/, '')); output += `${globalNum}. \n`; parts.forEach((part, i) => { output += `(${i + 1}) ${part}\n`; }); output += '\n'; } else { output += `${globalNum}. ${answer}\n\n`; } } } return output.trim(); } function formatOutputWithAnswers(results, typeOrder) { return formatOutput(results, typeOrder, true); } function formatWrongQuestionsTXT(results, typeOrder) { let output = ''; output += '\n\n\n'; output += '========================================\n'; output += ' 错题汇总\n'; output += '========================================\n\n'; let globalNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; if (qtype === '简答') { globalNum += questions.length; continue; } for (const q of questions) { globalNum++; if (!q.isWrong) continue; const typeLabel = qtype === '填空' ? '填空题' : '题目'; output += `${globalNum}. (${typeLabel})${formatRichForText(questionContent(q))}\n`; output += ` 我的答案: ${q.myAnswer || '无'}\n`; output += ` 正确答案: ${formatRichForText(answerContent(q)) || unavailableCorrectAnswerText(q)}\n\n`; } } return output.replace(/\n+$/, ''); } // ==================== Markdown 格式化（富文本） ==================== function formatOutputMD(results, typeOrder, withAnswers = false) { const typeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题', }; const typeNumbers = ['一', '二', '三', '四', '五', '六']; let output = ''; let globalNum = 0; let sectionIdx = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const label = typeLabels[qtype]; const num = typeNumbers[sectionIdx] || sectionIdx + 1; output += `### ${num}、${label}（共${questions.length}题）\n\n`; for (const q of questions) { globalNum++; output += `**${globalNum}.** ${formatRichForMD(questionContent(q))}\n\n`; if (q.options && q.options.length > 0) { for (const opt of q.options) { output += `- ${opt.letter}. ${formatRichForMD(optionContent(opt))}\n`; } output += '\n'; } else { output += '\n'; } if (withAnswers) { const answer = formatRichForMD(answerContent(q)) || unavailableCorrectAnswerText(q); output += `> **答案：** ${answer}\n\n`; } } sectionIdx++; } return output.trim(); } function formatAnswersMD(results, typeOrder) { let output = ''; let globalNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const typeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题' }; output += `**${typeLabels[qtype]}**\n\n`; for (const q of questions) { globalNum++; const answer = formatRichForMD(answerContent(q)) || unavailableCorrectAnswerText(q); if (qtype === '填空' && answer.includes('；')) { const parts = answer.split('；').map(p => p.trim().replace(/^$\d+$\s*/, '')); output += `${globalNum}. \n`; parts.forEach((part, i) => { output += ` (${i + 1}) ${part} \n`; }); output += '\n'; } else { output += `${globalNum}. ${answer} \n`; } } output += '\n'; } return output.trim(); } function formatOutputWithAnswersMD(results, typeOrder) { return formatOutputMD(results, typeOrder, true); } function formatWrongQuestionsMD(results, typeOrder) { let output = '\n\n\n---\n\n'; output += '## 错题汇总\n\n'; let globalNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; if (qtype === '简答') { globalNum += questions.length; continue; } for (const q of questions) { globalNum++; if (!q.isWrong) continue; output += `**${globalNum}.** ${formatRichForMD(questionContent(q))}\n\n`; output += `- 我的答案: ${q.myAnswer || '无'}\n`; output += `- 正确答案: ${formatRichForMD(answerContent(q)) || unavailableCorrectAnswerText(q)}\n\n`; } } return output.replace(/\n+$/, ''); } // ==================== PDF 文档生成（富文本） ==================== function pdfEscape(text) { const div = document.createElement('div'); div.textContent = String(text || ''); return div.innerHTML.replace(/\n/g, '
'); } function pdfRichHTML(content) { return (content || []).map(part => { if (part.type === 'text') return pdfEscape(part.text || ''); if (part.type === 'break') return '
'; if (part.type === 'image' && part.url) { return ` 题目图片

`; } return ''; }).join(''); } function buildPdfHTML(results, typeOrder, title, withAnswers, withWrong) { const typeHeaders = { '单选': '一、单项选择题', '多选': '二、多项选择题', '填空': '三、填空题', '判断': '四、判断题', '简答': '五、简答题' }; let globalNum = 0; let html = `

${pdfEscape(title || '学习通题目')}

`; for (const qtype of typeOrder || []) { const questions = results[qtype] || []; if (!questions.length) continue; html += `

${pdfEscape(typeHeaders[qtype] || qtype)}

`; for (const q of questions) { globalNum++; html += `

${globalNum}. ${pdfRichHTML(questionContent(q))}

`; for (const opt of q.options || []) { html += `

${pdfEscape(opt.letter || '')}. ${pdfRichHTML(optionContent(opt))}

`; } if (withAnswers) { const answer = answerContent(q); html += `

答案：${hasRichContent(answer) ? pdfRichHTML(answer) : pdfEscape(unavailableCorrectAnswerText(q))}

`; } html += '

'; } } if (withWrong) { html += '

错题汇总

'; globalNum = 0; for (const qtype of typeOrder || []) { for (const q of results[qtype] || []) { globalNum++; if (!q.isWrong) continue; html += `

${globalNum}. ${pdfRichHTML(questionContent(q))}

我的答案：${pdfEscape(q.myAnswer || '无')}

正确答案：${pdfRichHTML(answerContent(q)) || pdfEscape(unavailableCorrectAnswerText(q))}

`; } } } html += '

'; return html; } function bytesToBase64(bytes) { let binary = ''; const chunkSize = 0x8000; for (let i = 0; i < bytes.length; i += chunkSize) { binary += String.fromCharCode(...bytes.subarray(i, i + chunkSize)); } return btoa(binary); } function waitForPdfRenderFrame() { return new Promise(resolve => requestAnimationFrame(() => requestAnimationFrame(resolve))); } function pdfCanvasHasContent(canvas) { if (!canvas || !canvas.width || !canvas.height) return false; // 只缩小检查少量像素，避免大题库导出时读取完整画布造成额外内存压力。 const preview = document.createElement('canvas'); preview.width = 160; preview.height = Math.max(1, Math.min(240, Math.round(canvas.height / canvas.width * preview.width))); const context = preview.getContext('2d', { willReadFrequently: true }); context.fillStyle = '#fff'; context.fillRect(0, 0, preview.width, preview.height); context.drawImage(canvas, 0, 0, preview.width, preview.height); const pixels = context.getImageData(0, 0, preview.width, preview.height).data; let visiblePixels = 0; for (let i = 0; i < pixels.length; i += 4) { // 题干、标题、分隔线或图片中任意明显非白色像素均视为内容。 if (pixels[i] < 238 || pixels[i + 1] < 238 || pixels[i + 2] < 238) { if (++visiblePixels >= 8) return true; } } return false; } async function generatePdf(results, typeOrder, title, withAnswers, withWrong, filename) { const pdfLib = window.html2pdf || (typeof html2pdf !== 'undefined' ? html2pdf : null); if (typeof pdfLib !== 'function') throw new Error('PDF 组件未加载，请刷新页面后重试'); const holder = document.createElement('div'); // 不能用 visibility:hidden、opacity:0 或移到视口外，否则 html2canvas 在部分 // 学习通页面会只画出白色背景。放在当前可视区域且禁用鼠标事件，导出时仅会短暂闪过。 holder.style.cssText = `position:absolute;left:0;top:${Math.max(0, window.scrollY || document.documentElement.scrollTop || 0)}px;width:794px;background:#fff;z-index:2147483647;pointer-events:none;`; const page = document.createElement('div'); page.className = 'xxt-pdf-render-root'; // 样式必须放进被 html2pdf 克隆的 page 内部；仅作为外层 holder 的兄弟节点时， // 个别页面的克隆文档会丢失这些规则，最终就会生成整本白页 PDF。 page.innerHTML = `${buildPdfHTML(results, typeOrder, title, withAnswers, withWrong)}`; holder.appendChild(page); document.body.appendChild(holder); try { // 先把题目图片转成 data URL，避免 html2canvas 受跨域响应头影响而丢图。 await Promise.all(Array.from(page.querySelectorAll('img')).map(async img => { const source = img.getAttribute('src'); const asset = await fetchImageAsset(source); if (asset) { img.src = `data:image/${asset.type === 'jpg' ? 'jpeg' : asset.type};base64,${bytesToBase64(asset.data)}`; } else { // 跨域图片无法读取时移除 src，避免 html2canvas 因画布污染导致整个 PDF 失败。 img.removeAttribute('src'); img.alt = '图片加载失败'; } })); await Promise.all(Array.from(page.querySelectorAll('img')).map(img => new Promise(resolve => { if (img.complete) return resolve(); img.onload = img.onerror = resolve; }))); if (document.fonts && document.fonts.ready) await document.fonts.ready; await waitForPdfRenderFrame(); const worker = pdfLib().set({ margin: 0, filename: filename || '学习通题目.pdf', image: { type: 'jpeg', quality: 0.96 }, html2canvas: { scale: 2, useCORS: true, allowTaint: false, backgroundColor: '#fff', logging: false, onclone: clonedDocument => { const clonedPage = clonedDocument.querySelector('.xxt-pdf-page'); if (clonedPage) { clonedPage.style.display = 'block'; clonedPage.style.visibility = 'visible'; clonedPage.style.opacity = '1'; clonedPage.style.color = '#111'; clonedPage.style.webkitTextFillColor = '#111'; } } }, jsPDF: { unit: 'pt', format: 'a4', orientation: 'portrait' }, // legacy 模式会被学习通页面的分页样式干扰，曾导致生成数十页白页。 // 只让浏览器自然流式分页；逐题 avoid-all 会在每页底部留下大块空白。 pagebreak: { mode: ['css'] } }).from(page); await worker.toCanvas(); const canvas = await worker.get('canvas'); const sourceText = (page.innerText || '').replace(/\s+/g, ' ').trim(); window.__xxt_pdf_debug = { sourceTextLength: sourceText.length, sourceWidth: Math.round(page.getBoundingClientRect().width), sourceHeight: Math.round(page.getBoundingClientRect().height), canvasWidth: canvas && canvas.width || 0, canvasHeight: canvas && canvas.height || 0, hasContent: pdfCanvasHasContent(canvas) }; if (!sourceText || !window.__xxt_pdf_debug.hasContent) { throw new Error('页面渲染为空，已阻止下载空白 PDF。请刷新学习通页面后重试；若仍失败，请将 window.__xxt_pdf_debug 的内容反馈给我'); } await worker.toPdf().save(); } finally { holder.remove(); } } // ==================== Word 文档生成（富文本） ==================== // 同一张题目图片可能在题干、选项和答案中重复出现；缓存 Promise， // 避免 Word 导出逐个重复请求导致“生成中”长时间不结束。 const imageAssetCache = new Map(); async function fetchImageAsset(url) { if (!url) return null; const cacheKey = String(url); if (imageAssetCache.has(cacheKey)) return imageAssetCache.get(cacheKey); const pending = fetchImageAssetUncached(cacheKey); imageAssetCache.set(cacheKey, pending); return pending; } async function fetchImageAssetUncached(url) { const controller = new AbortController(); const timeoutId = setTimeout(() => controller.abort(), 8000); try { const resp = await fetch(url, { mode: 'cors', signal: controller.signal }); if (!resp.ok) return null; const blob = await resp.blob(); if (!blob.type.startsWith('image/')) return null; const objectUrl = URL.createObjectURL(blob); const size = await new Promise((resolve) => { const img = new Image(); let finished = false; let decodeTimer = null; const done = (value) => { if (finished) return; finished = true; if (decodeTimer) clearTimeout(decodeTimer); URL.revokeObjectURL(objectUrl); resolve(value); }; // 某些损坏或特殊编码图片会让 Image 既不触发 load 也不触发 error； // 不能让一张图片无限阻塞整个原生 DOCX 导出。 decodeTimer = setTimeout(() => done({ width: 300, height: 200 }), 5000); img.onload = () => done({ width: img.naturalWidth || 300, height: img.naturalHeight || 200 }); img.onerror = () => done({ width: 300, height: 200 }); img.src = objectUrl; }); const typeMap = { 'image/png': 'png', 'image/jpeg': 'jpg', 'image/jpg': 'jpg', 'image/gif': 'gif', 'image/bmp': 'bmp' }; const type = typeMap[blob.type]; if (!type) return null; const data = new Uint8Array(await blob.arrayBuffer()); return { data, type, width: size.width, height: size.height }; } catch (e) { return null; } finally { clearTimeout(timeoutId); } } async function buildImageRun(url) { if (!url) return null; const base64 = await fetchImageAsset(url); if (base64) { // 使用图片真实格式与原始宽高比，按页宽上限等比缩放，避免 JPEG 被声明为 PNG、长图被压扁 const MAX_WIDTH = 560; const MAX_HEIGHT = 420; const ratio = Math.min(1, MAX_WIDTH / base64.width, MAX_HEIGHT / base64.height); return new docx.ImageRun({ data: base64.data, transformation: { width: Math.max(1, Math.round(base64.width * ratio)), height: Math.max(1, Math.round(base64.height * ratio)) }, type: base64.type }); } // 图片加载失败，记录计数 window.__xxt_failed_image_count = (window.__xxt_failed_image_count || 0) + 1; return null; } // Word/WPS 对中文段落中的“分散对齐”非常敏感：题目页面的选项 // 常把每个汉字放在相邻 span 中，提取后会出现“中国特色”这种 // 仅存在于 HTML 排版中的空格。导出 Word 前去掉汉字之间的排版空格。 function normalizeWordText(text) { return String(text || '') .replace(/\n+/g, ' ') .replace(/([\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff])(?:[ \t\u00a0\u3000]+)(?=[\u3400-\u4dbf\u4e00-\u9fff\uf900-\ufaff])/g, '$1'); } async function buildRichRuns(content, prefix = '') { const { TextRun } = docx; const runs = []; if (prefix) runs.push(new TextRun({ text: prefix, font: "宋体", size: 24, characterSpacing: 0 })); for (const part of content || []) { if (part.type === 'text') { const normalized = normalizeWordText(part.text); if (normalized) runs.push(new TextRun({ text: normalized, font: "宋体", size: 24, characterSpacing: 0 })); } else if (part.type === 'image') { if (runs.length > 0) runs.push(new TextRun({ text: ' ', font: "宋体", size: 24 })); const imgRun = await buildImageRun(part.url); if (imgRun) runs.push(imgRun); runs.push(new TextRun({ text: ' ', font: "宋体", size: 24 })); } else if (part.type === 'break') { runs.push(new TextRun({ text: '\n', break: 1, font: "宋体", size: 24 })); } } return runs.length ? runs : [new TextRun({ text: prefix, font: "宋体", size: 24, characterSpacing: 0 })]; } // 将富文本内容构建为带段后间距的 Paragraph 数组（Word 导出用） async function buildRichParagraphs(content, prefix = '', spacing = 0) { const { Paragraph } = docx; const runs = await buildRichRuns(content, prefix); return [new Paragraph({ children: runs, alignment: docx.AlignmentType.LEFT, spacing: { after: spacing } })]; } // 获取题目的规范化富文本题干（Word 导出判断题等场景使用） function normalizedQuestionContent(q) { return questionContent(q); } const DOCX_MIME = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'; // `docx` 的 Packer 在部分 ScriptCat 注入环境里会停在 JSZip 的异步打包阶段。 // 这里直接写入 Office Open XML + 无压缩 ZIP；生成的仍是标准 .docx，且不再依赖 // Packer/JSZip 的运行时实现。ZIP 的「仅存储」模式是 DOCX 规范允许的格式，Word/WPS // 都可以直接打开。 const nativeDocxEncoder = new TextEncoder(); const nativeDocxCrcTable = (() => { const table = new Uint32Array(256); for (let i = 0; i < 256; i++) { let value = i; for (let bit = 0; bit < 8; bit++) value = (value & 1) ? (0xEDB88320 ^ (value >>> 1)) : (value >>> 1); table[i] = value >>> 0; } return table; })(); function nativeDocxBytes(value) { return nativeDocxEncoder.encode(String(value)); } function nativeDocxConcat(parts) { const total = parts.reduce((sum, part) => sum + part.length, 0); const output = new Uint8Array(total); let offset = 0; for (const part of parts) { output.set(part, offset); offset += part.length; } return output; } function nativeDocxU16(bytes, offset, value) { bytes[offset] = value & 0xFF; bytes[offset + 1] = (value >>> 8) & 0xFF; } function nativeDocxU32(bytes, offset, value) { bytes[offset] = value & 0xFF; bytes[offset + 1] = (value >>> 8) & 0xFF; bytes[offset + 2] = (value >>> 16) & 0xFF; bytes[offset + 3] = (value >>> 24) & 0xFF; } function nativeDocxCrc32(bytes) { let value = 0xFFFFFFFF; for (let i = 0; i < bytes.length; i++) value = nativeDocxCrcTable[(value ^ bytes[i]) & 0xFF] ^ (value >>> 8); return (value ^ 0xFFFFFFFF) >>> 0; } function nativeDocxZip(entries) { const localParts = []; const centralParts = []; let localOffset = 0; let centralSize = 0; for (const entry of entries) { const name = nativeDocxBytes(entry.name); const data = entry.data instanceof Uint8Array ? entry.data : new Uint8Array(entry.data); const crc = nativeDocxCrc32(data); const local = new Uint8Array(30 + name.length); nativeDocxU32(local, 0, 0x04034B50); nativeDocxU16(local, 4, 20); nativeDocxU16(local, 6, 0x0800); // UTF-8 文件名 nativeDocxU16(local, 8, 0); // store（不压缩） nativeDocxU16(local, 10, 0); nativeDocxU16(local, 12, 0); nativeDocxU32(local, 14, crc); nativeDocxU32(local, 18, data.length); nativeDocxU32(local, 22, data.length); nativeDocxU16(local, 26, name.length); nativeDocxU16(local, 28, 0); local.set(name, 30); localParts.push(local, data); const central = new Uint8Array(46 + name.length); nativeDocxU32(central, 0, 0x02014B50); nativeDocxU16(central, 4, 20); nativeDocxU16(central, 6, 20); nativeDocxU16(central, 8, 0x0800); nativeDocxU16(central, 10, 0); nativeDocxU16(central, 12, 0); nativeDocxU16(central, 14, 0); nativeDocxU32(central, 16, crc); nativeDocxU32(central, 20, data.length); nativeDocxU32(central, 24, data.length); nativeDocxU16(central, 28, name.length); nativeDocxU16(central, 30, 0); nativeDocxU16(central, 32, 0); nativeDocxU16(central, 34, 0); nativeDocxU16(central, 36, 0); nativeDocxU32(central, 38, 0); nativeDocxU32(central, 42, localOffset); central.set(name, 46); centralParts.push(central); localOffset += local.length + data.length; centralSize += central.length; } const end = new Uint8Array(22); nativeDocxU32(end, 0, 0x06054B50); nativeDocxU16(end, 4, 0); nativeDocxU16(end, 6, 0); nativeDocxU16(end, 8, entries.length); nativeDocxU16(end, 10, entries.length); nativeDocxU32(end, 12, centralSize); nativeDocxU32(end, 16, localOffset); nativeDocxU16(end, 20, 0); return nativeDocxConcat([...localParts, ...centralParts, end]); } function nativeDocxEscape(value) { return String(value == null ? '' : value) .replace(/[\u0000-\u0008\u000B\u000C\u000E-\u001F]/g, '') .replace(/&/g, '&') .replace(//g, '>') .replace(/"/g, '"') .replace(/'/g, '''); } function nativeDocxRunProperties(options = {}) { const font = nativeDocxEscape(options.font || '宋体'); const size = Math.max(2, Number(options.size) || 24); let properties = ``; if (options.bold) properties += ''; if (options.color) properties += ``; properties += ``; return properties; } function nativeDocxTextRun(text, options = {}) { const source = String(text == null ? '' : text).replace(/\r\n?/g, '\n'); const fragments = source.split(/(\t|\n)/); let body = ''; for (const fragment of fragments) { if (!fragment) continue; if (fragment === '\t') body += ''; else if (fragment === '\n') body += ''; else body += `${nativeDocxEscape(fragment)}`; } if (!body) body = ''; return `${nativeDocxRunProperties(options)}${body}`; } function nativeDocxTabRun() { return ''; } function nativeDocxBreakRun(type) { return ``; } function nativeDocxParagraph(runs, options = {}) { const properties = []; if (options.alignment) properties.push(``); if (typeof options.after === 'number') properties.push(``); if (typeof options.leftIndent === 'number') properties.push(``); if (options.tabStop) properties.push(``); const pPr = properties.length ? `${properties.join('')}` : ''; const body = runs && runs.length ? runs.join('') : ''; return `${pPr}${body}`; } function nativeDocxImageRun(media, drawingId) { const width = Math.max(1, Math.round(media.width || 300)); const height = Math.max(1, Math.round(media.height || 200)); const cx = width * 9525; const cy = height * 9525; const name = nativeDocxEscape(`图片 ${drawingId}`); return ``; } async function generateNativeDocxBlob(results, typeOrder, title, withAnswers, withWrong, bankImport, markStage) { const stage = (name, extra = {}) => { if (typeof markStage === 'function') markStage(name, extra); }; const typeHeaders = { '单选': '一、单项选择题', '多选': '二、多项选择题', '填空': '三、填空题', '判断': '四、判断题', '简答': '五、简答题', }; const bankTypeLabels = { '单选': '【单选题】', '多选': '【多选题】', '填空': '【填空题】', '判断': '【判断题】', '简答': '【简答题】', }; const imageUrls = new Set(); let questionCount = 0; const collectImages = content => (content || []).forEach(part => { if (part && part.type === 'image' && part.url) imageUrls.add(String(part.url)); }); for (const qtype of typeOrder || []) { for (const question of results[qtype] || []) { questionCount++; collectImages(questionContent(question)); (question.options || []).forEach(option => collectImages(optionContent(option))); if (withAnswers || withWrong || bankImport) collectImages(answerContent(question)); } } const media = []; const mediaByUrl = new Map(); let nextMediaId = 1; const getMedia = async url => { if (!url) return null; const key = String(url); if (mediaByUrl.has(key)) return mediaByUrl.get(key); const id = nextMediaId++; const pending = (async () => { const asset = await fetchImageAsset(key); if (!asset || !asset.data || !asset.type) return null; const type = asset.type === 'jpeg' ? 'jpg' : asset.type; const extension = ({ png: 'png', jpg: 'jpg', gif: 'gif', bmp: 'bmp' })[type]; if (!extension) return null; const rawWidth = Math.max(1, Number(asset.width) || 300); const rawHeight = Math.max(1, Number(asset.height) || 200); const ratio = Math.min(1, 560 / rawWidth, 420 / rawHeight); const item = { id, relId: `rId${id + 1}`, fileName: `image${id}.${extension}`, extension, data: asset.data, width: Math.max(1, Math.round(rawWidth * ratio)), height: Math.max(1, Math.round(rawHeight * ratio)), }; media.push(item); return item; })(); mediaByUrl.set(key, pending); return pending; }; try { stage('预热图片', { questionCount, imageCount: imageUrls.size }); await Promise.all(Array.from(imageUrls, getMedia)); stage('构建原生 DOCX', { questionCount, imageCount: imageUrls.size, mediaCount: media.length }); let drawingId = 1; const richRuns = async (content, prefix = '', options = {}) => { const runs = []; if (prefix) runs.push(nativeDocxTextRun(prefix, options)); for (const part of content || []) { if (!part) continue; if (part.type === 'text') { const text = normalizeWordText(part.text); if (text) runs.push(nativeDocxTextRun(text, options)); } else if (part.type === 'image') { if (runs.length) runs.push(nativeDocxTextRun(' ', options)); const item = await getMedia(part.url); if (item) runs.push(nativeDocxImageRun(item, drawingId++)); runs.push(nativeDocxTextRun(' ', options)); } else if (part.type === 'break') { runs.push(nativeDocxBreakRun()); } } return runs.length ? runs : [nativeDocxTextRun(prefix, options)]; }; const hasContent = content => hasRichContent(content); const children = []; if (bankImport) { children.push(nativeDocxParagraph([ nativeDocxTextRun(title || '题库导入', { size: 32, bold: true, color: '000000' }) ], { alignment: 'center', after: 240 })); let questionNumber = 0; for (const qtype of typeOrder || []) { const questions = results[qtype] || []; const label = bankTypeLabels[qtype] || `【${qtype}】`; for (const question of questions) { questionNumber++; const stem = formatRichForText(questionContent(question)) .replace(/$\s{2,}$/g, '（）') .replace(/（\s{2,}）/g, '（）'); children.push(nativeDocxParagraph([ nativeDocxTextRun(`${questionNumber}.${label}${stem}`, { size: 24 }) ], { after: 40 })); for (const part of questionContent(question)) { if (part && part.type === 'image') { const item = await getMedia(part.url); if (item) children.push(nativeDocxParagraph([nativeDocxImageRun(item, drawingId++)], { after: 80 })); } } for (const option of question.options || []) { children.push(nativeDocxParagraph( await richRuns(optionContent(option), `${option.letter || ''}. `, { size: 24 }), { after: 40 } )); } const answerRich = answerContent(question); const answer = formatRichForText(answerRich).trim(); if (answer || hasContent(answerRich)) { let answerParts = hasContent(answerRich) ? answerRich : [{ type: 'text', text: answer }]; if (!hasContent(answerRich) && qtype === '多选') { answerParts = [{ type: 'text', text: answer.replace(/\s+/g, '').split('').join('，') }]; } else if (!hasContent(answerRich) && qtype === '判断') { answerParts = [{ type: 'text', text: /^(√|✓|T|True|TRUE|对|正确)/.test(answer) ? '对' : '错' }]; } children.push(nativeDocxParagraph(await richRuns(answerParts, '答案：', { size: 24 }), { after: 120 })); } else { children.push(nativeDocxParagraph([], { after: 120 })); } } } } else { children.push(nativeDocxParagraph([ nativeDocxTextRun(title || '试卷', { size: 32, bold: true, color: '000000' }) ], { alignment: 'center', after: 240 })); let questionNumber = 0; for (const qtype of typeOrder || []) { const questions = results[qtype] || []; if (!questions.length) continue; children.push(nativeDocxParagraph([ nativeDocxTextRun(`${typeHeaders[qtype] || qtype}（本大题共${questions.length}小题）`, { size: 28, bold: true, color: '000000' }) ], { after: 120 })); for (const question of questions) { questionNumber++; const stem = questionContent(question); if (qtype === '单选' || qtype === '多选') { children.push(nativeDocxParagraph(await richRuns(stem, `${questionNumber}. `, { size: 24 }), { after: 40 })); const options = question.options || []; if (options.length) { // 与 PDF 一致：每个选项单独一行并向内缩进；不再将短选项硬拼成左右两列， // 避免在 Word/WPS 中出现截图里那种过宽、错行的选项布局。 for (const option of options) { children.push(nativeDocxParagraph( await richRuns(optionContent(option), `${option.letter || ''}. `, { size: 24 }), { after: 40, leftIndent: 500 } )); } if (!withAnswers) children.push(nativeDocxParagraph([], { after: 80 })); } } else if (qtype === '判断') { const runs = await richRuns(stem, `${questionNumber}. `, { size: 24 }); runs.push(nativeDocxTextRun('（）', { size: 24 })); children.push(nativeDocxParagraph(runs, { after: withAnswers ? 40 : 120 })); } else if (qtype === '简答') { children.push(nativeDocxParagraph(await richRuns(stem, `${questionNumber}. `, { size: 24 }), { after: 40 })); if (!withAnswers) { for (let line = 0; line < 8; line++) children.push(nativeDocxParagraph([], { after: 40 })); children.push(nativeDocxParagraph([], { after: 80 })); } } else { children.push(nativeDocxParagraph(await richRuns(stem, `${questionNumber}. `, { size: 24 }), { after: withAnswers ? 40 : 120 })); } // “附加答案”应紧跟在这一题的选项（或题干）后，不能单独汇总到文末； // 这样每题、每个选项与它自己的答案始终位于同一段落组中。 if (withAnswers) { const answerRich = answerContent(question); const answerRuns = hasContent(answerRich) ? await richRuns(answerRich, '', { size: 24, color: '16A34A' }) : [nativeDocxTextRun(unavailableCorrectAnswerText(question), { size: 24, color: '16A34A' })]; const answerIndent = (qtype === '单选' || qtype === '多选') ? 500 : 0; children.push(nativeDocxParagraph([ nativeDocxTextRun('答案：', { size: 24, bold: true, color: '16A34A' }), ...answerRuns ], { after: 120, leftIndent: answerIndent })); } } } if (withWrong) { let hasWrong = false; for (const qtype of typeOrder || []) { if ((results[qtype] || []).some(question => question.isWrong)) { hasWrong = true; break; } } if (hasWrong) { children.push(nativeDocxParagraph([nativeDocxBreakRun('page')], { after: 0 })); children.push(nativeDocxParagraph([ nativeDocxTextRun('错题汇总', { size: 32, bold: true, color: '000000' }) ], { alignment: 'center', after: 240 })); let globalNumber = 0; for (const qtype of typeOrder || []) { const questions = results[qtype] || []; if (!questions.length) continue; const wrongQuestions = questions.filter(question => question.isWrong); if (!wrongQuestions.length) { globalNumber += questions.length; continue; } children.push(nativeDocxParagraph([ nativeDocxTextRun(typeHeaders[qtype] || qtype, { size: 28, bold: true, color: '000000' }) ], { after: 120 })); for (const question of questions) { globalNumber++; if (!question.isWrong) continue; children.push(nativeDocxParagraph(await richRuns(questionContent(question), `${globalNumber}. `, { size: 24 }), { after: 40 })); for (const option of question.options || []) { children.push(nativeDocxParagraph(await richRuns(optionContent(option), `${option.letter || ''}. `, { size: 24 }), { after: 40 })); } children.push(nativeDocxParagraph([ nativeDocxTextRun(`我的答案: ${question.myAnswer || '无'}`, { size: 24, color: 'DC2626' }) ], { after: 40 })); const answerRich = answerContent(question); const answerRuns = hasContent(answerRich) ? await richRuns(answerRich, '', { size: 24, color: '16A34A' }) : [nativeDocxTextRun(unavailableCorrectAnswerText(question), { size: 24, color: '16A34A' })]; children.push(nativeDocxParagraph([ nativeDocxTextRun('正确答案: ', { size: 24, color: '16A34A' }), ...answerRuns ], { after: 120 })); } } } } } const margin = bankImport ? { top: 1134, bottom: 1134, left: 1417, right: 1417 } : { top: 1417, bottom: 1417, left: 1417, right: 1417 }; const documentXml = `${children.join('')}`; const now = new Date().toISOString(); const contentTypes = ['', '', '', '']; for (const extension of new Set(media.map(item => item.extension))) { const mime = ({ png: 'image/png', jpg: 'image/jpeg', gif: 'image/gif', bmp: 'image/bmp' })[extension]; if (mime) contentTypes.push(``); } contentTypes.push('', '', '', '', ''); const documentRelationships = ['', '', '']; for (const item of media) documentRelationships.push(``); documentRelationships.push(''); stage('写入标准 DOCX 包', { questionCount, imageCount: imageUrls.size, mediaCount: media.length }); const entries = [ { name: '[Content_Types].xml', data: nativeDocxBytes(contentTypes.join('')) }, { name: '_rels/.rels', data: nativeDocxBytes('') }, { name: 'docProps/core.xml', data: nativeDocxBytes(`${nativeDocxEscape(title || '学习通题目')}学习通题目导出学习通题目导出${now}${now}`) }, { name: 'docProps/app.xml', data: nativeDocxBytes('学习通题目导出') }, { name: 'word/document.xml', data: nativeDocxBytes(documentXml) }, { name: 'word/styles.xml', data: nativeDocxBytes('') }, { name: 'word/_rels/document.xml.rels', data: nativeDocxBytes(documentRelationships.join('')) }, ...media.map(item => ({ name: `word/media/${item.fileName}`, data: item.data })) ]; const blob = new Blob([nativeDocxZip(entries)], { type: DOCX_MIME }); if (!blob.size || blob.size < 100) throw new Error('DOCX 打包结果无效'); stage('完成', { questionCount, imageCount: imageUrls.size, mediaCount: media.length, bytes: blob.size }); return blob; } catch (error) { stage('失败', { questionCount, imageCount: imageUrls.size, error: error && error.message ? error.message : String(error) }); throw error; } } // docx 的 Packer.toBase64String 与 toBlob 使用同一套 OOXML/XML/ZIP 打包逻辑， // 只是最后一步的输出格式不同。学习通的 ScriptCat 注入环境中 toBlob 曾出现 // Promise 长期不结算；这里把 Base64 分块还原成浏览器原生 Blob，得到的仍是真正 // 的 .docx（ZIP / Office Open XML），而不是 HTML 兼容文件。 function base64ToDocxBlob(base64) { if (typeof base64 !== 'string' || !base64) throw new Error('DOCX 打包结果为空'); const chunks = []; // 必须按 4 的倍数切分，避免把 Base64 的一个编码单元截断。 const chunkChars = 4 * 16384; for (let offset = 0; offset < base64.length; offset += chunkChars) { const binary = atob(base64.slice(offset, offset + chunkChars)); const bytes = new Uint8Array(binary.length); for (let i = 0; i < binary.length; i++) bytes[i] = binary.charCodeAt(i); chunks.push(bytes); } return new Blob(chunks, { type: DOCX_MIME }); } async function generateWordBlob(results, typeOrder, title, withAnswers, withWrong, bankImport) { const startedAt = Date.now(); let currentStage = '准备文档'; const markStage = (stage, extra = {}) => { currentStage = stage; window.__xxt_word_export_debug = { stage, startedAt, elapsedMs: Date.now() - startedAt, ...extra }; }; // 原脚本使用 Packer.toBlob(doc)。当前 ScriptCat 注入环境中该 Packer 会卡住， // 因此改由上方的标准 OOXML 写入器直接生成同样的原生 .docx 文件。 return await generateNativeDocxBlob(results, typeOrder, title, withAnswers, withWrong, bankImport, markStage); // 保留旧的 docx 组装代码作为版式参考；正常流程不会再触及 Packer/JSZip。 const { Document, Packer, Paragraph, TextRun, ImageRun, AlignmentType, convertMillimetersToTwip, TabStopType, PageBreak } = docx; // 先并行预热本次文档需要的图片；后续 buildImageRun 都命中缓存， // 不会按“题干→选项→答案”逐张串行等待网络。 const imageUrls = new Set(); let questionCount = 0; const collectImages = content => (content || []).forEach(part => { if (part && part.type === 'image' && part.url) imageUrls.add(String(part.url)); }); for (const qtype of typeOrder || []) { for (const q of results[qtype] || []) { questionCount++; collectImages(questionContent(q)); (q.options || []).forEach(option => collectImages(optionContent(option))); if (withAnswers || withWrong || bankImport) collectImages(answerContent(q)); } } markStage('预热图片', { questionCount, imageCount: imageUrls.size }); if (imageUrls.size) await Promise.all(Array.from(imageUrls, url => fetchImageAsset(url))); const packDocument = async doc => { let timer = null; const timeout = new Promise((resolve, reject) => { timer = setTimeout(() => reject(new Error('Word 文档生成超时（' + currentStage + '），请重试；若仍出现，请反馈 window.__xxt_word_export_debug')), 90000); }); // 先让浏览器绘制按钮状态，再开始原生 OOXML 打包。 await new Promise(resolve => setTimeout(resolve, 0)); const useBase64 = typeof Packer.toBase64String === 'function'; const packing = Promise.resolve().then(() => { markStage(useBase64 ? '打包原生 DOCX' : '打包原生 DOCX（兼容输出）', { questionCount, imageCount: imageUrls.size }); return useBase64 ? Packer.toBase64String(doc) : Packer.toBlob(doc); }); try { const packed = await Promise.race([packing, timeout]); markStage('生成下载文件', { questionCount, imageCount: imageUrls.size }); const blob = useBase64 ? base64ToDocxBlob(packed) : packed; if (!(blob instanceof Blob) || blob.size < 100) throw new Error('DOCX 打包结果无效'); markStage('完成', { questionCount, imageCount: imageUrls.size, bytes: blob.size }); return blob; } catch (error) { markStage('失败', { questionCount, imageCount: imageUrls.size, error: error && error.message ? error.message : String(error) }); throw error; } finally { if (timer) clearTimeout(timer); } }; const typeHeaders = { '单选': '一、单项选择题', '多选': '二、多项选择题', '填空': '三、填空题', '判断': '四、判断题', '简答': '五、简答题', }; const bankTypeLabels = { '单选': '【单选题】', '多选': '【多选题】', '填空': '【填空题】', '判断': '【判断题】', '简答': '【简答题】', }; // 题库导入格式：生成学习通智能导入兼容的 Word 文档 if (bankImport) { const children = []; children.push(new Paragraph({ children: [new TextRun({ text: title || '题库导入', font: "宋体", size: 32, bold: true, color: "000000" })], alignment: AlignmentType.CENTER, spacing: { after: 240 } })); let qNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const prefix = bankTypeLabels[qtype]; for (const q of questions) { qNum++; // 题干（题号 + 题型标签 + 题干内容），括号归一化 const stemText = formatRichForText(questionContent(q)); const stem = prefix + stemText.replace(/$\s{2,}$/g, '（）').replace(/（\s{2,}）/g, '（）'); children.push(new Paragraph({ children: [new TextRun({ text: `${qNum}.${stem}`, font: "宋体", size: 24 })], spacing: { after: 40 } })); // 题干中的图片 const stemContent = questionContent(q); for (const part of stemContent) { if (part.type === 'image') { const imgRun = await buildImageRun(part.url); if (imgRun) { children.push(new Paragraph({ children: [imgRun], spacing: { after: 80 } })); } } } // 选项 const options = q.options || []; for (const opt of options) { const runs = await buildRichRuns(optionContent(opt), `${opt.letter}. `); children.push(new Paragraph({ children: runs, alignment: AlignmentType.LEFT, spacing: { after: 40 } })); } // 答案 const answerRich = answerContent(q); const answer = formatRichForText(answerRich).trim(); if (answer) { // 答案含图片时原样保留富文本；否则按题型归一化（多选中文逗号分隔、判断对/错） const answerHasRich = hasRichContent(answerRich); let formattedAnswerParts = answerHasRich ? answerRich : [{ type: 'text', text: answer }]; if (qtype === '多选' && !answerHasRich) { const parts = answer.replace(/\s+/g, '').split(''); formattedAnswerParts = [{ type: 'text', text: parts.join('，') }]; } else if (qtype === '判断' && !answerHasRich) { // 仅按答案开头判断，避免"不正确"被误判为对 if (/^(√|✓|对|正确|T|True|TRUE)/.test(answer.trim())) { formattedAnswerParts = [{ type: 'text', text: '对' }]; } else { formattedAnswerParts = [{ type: 'text', text: '错' }]; } } children.push(...await buildRichParagraphs(formattedAnswerParts, '答案：', 120)); } else { children.push(...await buildRichParagraphs( [{ type: 'text', text: unavailableCorrectAnswerText(q) }], '答案：', 120 )); } } } const doc = new Document({ sections: [{ properties: { page: { margin: { top: convertMillimetersToTwip(20), bottom: convertMillimetersToTwip(20), left: convertMillimetersToTwip(25), right: convertMillimetersToTwip(25) } } }, children }] }); return await packDocument(doc); } const children = []; // 标题 children.push(new Paragraph({ children: [new TextRun({ text: title || '试卷', font: "宋体", size: 32, bold: true, color: "000000" })], alignment: AlignmentType.CENTER, spacing: { after: 240 } })); let qNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const header = typeHeaders[qtype] || qtype; const count = questions.length; children.push(new Paragraph({ children: [new TextRun({ text: `${header}（本大题共${count}小题）`, font: "宋体", size: 28, bold: true, color: "000000" })], spacing: { after: 120 } })); for (const q of questions) { qNum++; const stemContent = questionContent(q); if (qtype === '单选' || qtype === '多选') { children.push(new Paragraph({ children: await buildRichRuns(stemContent, `${qNum}. `), spacing: { after: 40 } })); const options = q.options || []; if (options.length > 0) { const maxLen = Math.max(...options.map(o => (o.text || '').length)); const useVertical = maxLen > 25; if (useVertical) { for (const opt of options) { children.push(new Paragraph({ children: await buildRichRuns(optionContent(opt), `${opt.letter}. `), spacing: { after: 40 } })); } } else { for (let i = 0; i < options.length; i += 2) { const left = options[i]; const right = options[i + 1]; const leftRuns = await buildRichRuns(optionContent(left), `${left.letter}. `); if (right) { const rightRuns = await buildRichRuns(optionContent(right), `${right.letter}. `); const tabRun = new TextRun({ text: '\t', font: "宋体", size: 24 }); children.push(new Paragraph({ children: [...leftRuns, tabRun, ...rightRuns], tabStops: [{ type: TabStopType.LEFT, position: 4500 }], spacing: { after: 40 } })); } else { children.push(new Paragraph({ children: leftRuns, spacing: { after: 40 } })); } } } children.push(new Paragraph({ children: [], spacing: { after: 80 } })); } } else if (qtype === '填空') { children.push(new Paragraph({ children: await buildRichRuns(stemContent, `${qNum}. `), spacing: { after: 40 } })); children.push(new Paragraph({ children: [], spacing: { after: 120 } })); } else if (qtype === '判断') { // 输出题干，题干末尾追加判断括号，避免重复输出 const judgeRuns = await buildRichRuns(stemContent, `${qNum}. `); judgeRuns.push(new TextRun({ text: '（）', font: "宋体", size: 24 })); children.push(new Paragraph({ children: judgeRuns, spacing: { after: 120 } })); } else if (qtype === '简答') { children.push(new Paragraph({ children: await buildRichRuns(stemContent, `${qNum}. `), spacing: { after: 40 } })); for (let i = 0; i < 8; i++) { children.push(new Paragraph({ children: [new TextRun({ text: '', font: "宋体", size: 24 })], spacing: { after: 40 } })); } children.push(new Paragraph({ children: [], spacing: { after: 80 } })); } } } // 答案页 if (withAnswers) { children.push(new Paragraph({ children: [new PageBreak()], spacing: { after: 0 } })); children.push(new Paragraph({ children: [new TextRun({ text: '参考答案', font: "宋体", size: 32, bold: true, color: "000000" })], alignment: AlignmentType.CENTER, spacing: { after: 240 } })); let aNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const header = typeHeaders[qtype] || qtype; children.push(new Paragraph({ children: [new TextRun({ text: header, font: "宋体", size: 28, bold: true, color: "000000" })], spacing: { after: 120 } })); for (const q of questions) { aNum++; const answerRich = answerContent(q); const answerRuns = await buildRichRuns(answerRich); if (answerRuns.length === 0) { answerRuns.push(new TextRun({ text: unavailableCorrectAnswerText(q), font: "宋体", size: 24 })); } children.push(new Paragraph({ children: [new TextRun({ text: `${aNum}. `, font: "宋体", size: 24 }), ...answerRuns], spacing: { after: 60 } })); } } } // 错题汇总（Word 试卷） if (withWrong) { let hasWrong = false; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions) continue; for (const q of questions) { if (q.isWrong) { hasWrong = true; break; } } if (hasWrong) break; } if (hasWrong) { children.push(new Paragraph({ children: [new PageBreak()], spacing: { after: 0 } })); children.push(new Paragraph({ children: [new TextRun({ text: '错题汇总', font: "宋体", size: 32, bold: true, color: "000000" })], alignment: AlignmentType.CENTER, spacing: { after: 240 } })); let globalNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; if (qtype === '简答') { globalNum += questions.length; continue; } const header = typeHeaders[qtype] || qtype; let sectionHasWrong = false; for (const q of questions) { if (q.isWrong) { sectionHasWrong = true; break; } } if (!sectionHasWrong) { globalNum += questions.length; continue; } children.push(new Paragraph({ children: [new TextRun({ text: header, font: "宋体", size: 28, bold: true, color: "000000" })], spacing: { after: 120 } })); for (const q of questions) { globalNum++; if (!q.isWrong) continue; children.push(new Paragraph({ children: await buildRichRuns(questionContent(q), `${globalNum}. `), spacing: { after: 40 } })); const options = q.options || []; if (options.length > 0) { for (const opt of options) { children.push(new Paragraph({ children: await buildRichRuns(optionContent(opt), `${opt.letter}. `), spacing: { after: 40 } })); } } children.push(new Paragraph({ children: [new TextRun({ text: `我的答案: ${q.myAnswer || '无'}`, font: "宋体", size: 24, color: "DC2626" })], spacing: { after: 40 } })); const correctRuns = await buildRichRuns(answerContent(q)); if (correctRuns.length === 0) { correctRuns.push(new TextRun({ text: unavailableCorrectAnswerText(q), font: "宋体", size: 24, color: "16A34A" })); } children.push(new Paragraph({ children: [new TextRun({ text: '正确答案: ', font: "宋体", size: 24, color: "16A34A" }), ...correctRuns], spacing: { after: 120 } })); } } } } const doc = new Document({ sections: [{ properties: { page: { margin: { top: convertMillimetersToTwip(25), bottom: convertMillimetersToTwip(25), left: convertMillimetersToTwip(25), right: convertMillimetersToTwip(25) } } }, children }] }); return await packDocument(doc); } // ==================== UI 创建 ==================== let extractedData = null; // null 代表“全部题目”；Set 则保存用户在编辑器中勾选、用于导出/复制/存题库的题目。 // 选择范围仅作用于当前面板数据，不会删除未勾选题目。 let selectedExportQuestionKeys = null; function exportQuestionKey(type, question) { return bankQuestionIdentity(type, question); } function resetExportQuestionSelection() { selectedExportQuestionKeys = null; } function getSelectedQuestionCount(data = extractedData) { if (!data || !data.results) return 0; if (selectedExportQuestionKeys === null) return Object.values(data.results).reduce((sum, list) => sum + (Array.isArray(list) ? list.length : 0), 0); let count = 0; (data.typeOrder || Object.keys(data.results)).forEach(type => { (data.results[type] || []).forEach(question => { if (selectedExportQuestionKeys.has(exportQuestionKey(type, question))) count++; }); }); return count; } function getSelectedExtractedData(data = extractedData) { if (!data || !data.results || selectedExportQuestionKeys === null) return data; const results = Object.fromEntries(QUESTION_BANK_TYPES.map(type => [type, (data.results[type] || []).filter(question => selectedExportQuestionKeys.has(exportQuestionKey(type, question))) ])); const typeOrder = (data.typeOrder || QUESTION_BANK_TYPES).filter(type => results[type] && results[type].length); return createExtractedDataFromResults(results, typeOrder, data.title); } function updateExportSelectionSummary() { const summary = document.getElementById('xxt-selection-summary'); if (!summary || !extractedData) return; const selected = getSelectedQuestionCount(extractedData); const total = extractedData.total || 0; summary.textContent = selected === total ? `导出范围：全部 ${total} 题` : `导出范围：已选 ${selected} / ${total} 题`; summary.classList.toggle('xxt-selection-limited', selected !== total); } // createPanel 会被 MutationObserver 重复调用；共享控制器管理只注册一次的全局 UI 事件 const uiEventController = new AbortController(); let _creatingPanel = false; // 顶层的任务切换监听器也需要知道批量流程是否正在运行。不能把状态只 // 声明在 createPanel 内，否则外层监听器会在页面切换时抛 ReferenceError。 let batchExtractionRun = null; function createPanel() { if (_creatingPanel) return; if (document.getElementById('xxt-panel')) return; _creatingPanel = true; if (observer) { observer.disconnect(); observer = null; } const panel = document.createElement('div'); panel.id = 'xxt-panel'; panel.innerHTML = `

学习通题目一键提取导出

QQ群反馈

整门课提取进度准备中

运行日志（0）

导出设置格式、答案与顺序

输出格式 Word 试卷 TXT MD PDF

附加答案

附加错题

题目乱序

题库导入格式（学习通智能导入兼容）

`; document.body.appendChild(panel); const $ = (id) => document.getElementById(id); const els = { panel, btnExtract: $('xxt-btnExtract'), btnBatchExtract: $('xxt-btnBatchExtract'), batchLive: $('xxt-batch-live'), bankBtn: $('xxt-bankBtn'), btnSaveToBank: $('xxt-btnSaveToBank'), status: $('xxt-status'), result: $('xxt-result'), stat: $('xxt-stat'), btnEdit: $('xxt-btnEdit'), filename: $('xxt-filename'), btnPreview: $('xxt-btnPreview'), btnDownload: $('xxt-btnDownload'), btnCopy: $('xxt-btnCopy'), chkAnswers: $('xxt-chkAnswers'), chkWrong: $('xxt-chkWrong'), wrongToggle: $('xxt-wrong-toggle'), wrongHint: $('xxt-wrong-hint'), chkShuffle: $('xxt-chkShuffle'), chkBankImport: $('xxt-chkBankImport'), bankImportToggle: $('xxt-bank-import-toggle'), }; // 任务/随堂练习切换后清除旧的提取结果。学习通通常只替换 iframe， // 顶层 URL 不变，因此仅依赖 location.href 无法判断页面已经切换。 // 每次切换/提取都递增此序号，废弃上一轮仍在等待的异步提取， // 避免旧请求在新页面加载过程中弹出“未检测到题目”。 let extractionGeneration = 0; const resetExtractedView = () => { extractionGeneration++; // 切换后的 iframe 通常还需要几秒才会完成渲染；在这段时间内保持“加载中”， // 不要把暂时没有题目的中间状态显示成识别失败。题目仍由用户点击主按钮后提取。 const previousSignature = extractedData ? iframeDataSignature(extractedData) : iframeDataSignature(window.__xxt_iframe_data); // 同一次切换会同时触发“任务点击”和 iframe load；第二次重置时 // extractedData 已为空，不能把第一次记录的旧题目签名覆盖为空。 if (previousSignature) window.__xxt_ignore_iframe_signature = previousSignature; extractedData = null; resetExportQuestionSelection(); window.__xxt_iframe_data = null; window.__xxt_iframe_context = null; window.__xxt_navigation_started_at = Date.now(); els.result.classList.add('xxt-hidden'); showStatus(els, '正在等待新练习加载…', 'loading'); els.btnExtract.disabled = !!(batchExtractionRun && batchExtractionRun.running); els.btnExtract.textContent = '提取本页题目'; if (els.chkAnswers) { els.chkAnswers.checked = false; els.chkAnswers.disabled = false; } if (els.chkWrong) els.chkWrong.checked = false; if (els.chkShuffle) els.chkShuffle.checked = false; if (els.wrongToggle) els.wrongToggle.classList.add('xxt-hidden'); if (els.wrongHint) els.wrongHint.classList.add('xxt-hidden'); }; window.__xxt_reset_extraction = resetExtractedView; // 恢复上次的导出配置 const cfg = currentSettings.exportConfig; if (cfg) { const fmtRadio = document.querySelector(`input[name="xxt-fmt"][value="${cfg.format}"]`); if (fmtRadio) fmtRadio.checked = true; if (els.chkAnswers) { els.chkAnswers.checked = cfg.withAnswers; } if (els.chkShuffle) { els.chkShuffle.checked = cfg.shuffle; } if (els.chkBankImport) { els.chkBankImport.checked = cfg.format === 'word' && !!cfg.bankImport; } // 题库导入格式选项仅在 Word 格式下显示。 if (els.bankImportToggle) els.bankImportToggle.style.display = cfg.format === 'word' ? '' : 'none'; } enableXxtDragging(panel, panel.querySelector('.xxt-header'), 'panel'); // ==================== 设置弹窗 ==================== // 创建设置弹窗 const modal = document.createElement('div'); modal.id = 'xxt-settings-modal'; modal.innerHTML = ` `; document.body.appendChild(modal); enableXxtDragging(modal.querySelector('.xxt-modal-box'), modal.querySelector('.xxt-modal-header'), 'settings'); // 初始化主题按钮状态 const themeBtns = modal.querySelectorAll('.xxt-theme-btn'); function updateThemeUI() { themeBtns.forEach(b => { b.classList.toggle('active', b.dataset.theme === currentSettings.theme); }); } updateThemeUI(); // 初始化拖拽复选框 const chkDrag = modal.querySelector('#xxt-chkDrag'); chkDrag.checked = currentSettings.enableDrag; chkDrag.addEventListener('change', () => { currentSettings.enableDrag = chkDrag.checked; saveSettings(currentSettings); }); // 初始化记忆面板位置复选框 const chkRememberPos = modal.querySelector('#xxt-chkRememberPos'); chkRememberPos.checked = currentSettings.rememberPanelPosition; chkRememberPos.addEventListener('change', () => { currentSettings.rememberPanelPosition = chkRememberPos.checked; if (!chkRememberPos.checked) { // 关闭记忆时清除所有浮窗保存的位置 currentSettings.panelPosition = null; currentSettings.floatingPositions = {}; } saveSettings(currentSettings); }); themeBtns.forEach(b => { b.addEventListener('click', () => { currentSettings.theme = b.dataset.theme; applyTheme(currentSettings.theme); saveSettings(currentSettings); updateThemeUI(); }); }); // 初始化快捷键显示 const shortcutDisplay = modal.querySelector('#xxt-shortcut-display'); const shortcutKeysEl = modal.querySelector('#xxt-shortcut-keys'); const shortcutHintEl = modal.querySelector('#xxt-shortcut-hint'); function updateShortcutUI() { shortcutKeysEl.textContent = formatShortcutLabel(currentSettings.shortcut); } updateShortcutUI(); // 快捷键录制 shortcutDisplay.addEventListener('click', () => { shortcutHintEl.textContent = '请按下新快捷键...'; shortcutKeysEl.textContent = '...'; shortcutDisplay.style.borderColor = '#1e88e5'; window.__xxt_recording = true; function onKeyDown(e) { e.preventDefault(); e.stopPropagation(); const key = e.key; if (['Control', 'Shift', 'Alt', 'Meta'].includes(key)) return; currentSettings.shortcut = { ctrl: e.ctrlKey, shift: e.shiftKey, alt: e.altKey, key: key.toLowerCase() }; saveSettings(currentSettings); updateShortcutUI(); shortcutHintEl.textContent = '点击修改'; shortcutDisplay.style.borderColor = ''; window.__xxt_recording = false; document.removeEventListener('keydown', onKeyDown, true); } document.addEventListener('keydown', onKeyDown, true); setTimeout(() => { if (window.__xxt_recording) { window.__xxt_recording = false; document.removeEventListener('keydown', onKeyDown, true); updateShortcutUI(); shortcutHintEl.textContent = '点击修改'; shortcutDisplay.style.borderColor = ''; } }, 5000); }); // 弹窗打开/关闭 const settingsBtn = document.getElementById('xxt-settingsBtn'); const modalClose = modal.querySelector('#xxt-modal-close'); settingsBtn.addEventListener('click', () => { updateThemeUI(); updateShortcutUI(); modal.classList.add('open'); }); modalClose.addEventListener('click', () => { modal.classList.remove('open'); }); modal.addEventListener('click', (e) => { if (e.target === modal) modal.classList.remove('open'); }); document.addEventListener('keydown', (e) => { if (e.key === 'Escape' && modal.classList.contains('open')) { modal.classList.remove('open'); } }, { signal: uiEventController.signal }); // ==================== 历史记录弹窗 ==================== const historyModal = document.createElement('div'); historyModal.id = 'xxt-history-modal'; historyModal.innerHTML = ` `; document.body.appendChild(historyModal); enableXxtDragging(historyModal.querySelector('.xxt-modal-box'), historyModal.querySelector('.xxt-modal-header'), 'history'); const historyListEl = historyModal.querySelector('#xxt-history-list'); const historyCloseBtn = historyModal.querySelector('#xxt-history-close'); function renderHistoryList() { const history = loadHistory(); if (history.length === 0) { historyListEl.innerHTML = '

暂无历史记录

'; return; } const fmtNames = { 'txt': 'TXT', 'md': 'MD', 'word': 'Word', 'pdf': 'PDF' }; historyListEl.innerHTML = history.map(h => { const flags = []; if (h.withAnswers) flags.push('含答案'); if (h.withWrong) flags.push('含错题'); if (h.shuffle) flags.push('打乱'); if (h.bankImport) flags.push('题库导入'); const flagStr = flags.length > 0 ? ' · ' + flags.join('、') : ''; return `

${escapeHtml(h.title)}

${h.date} · ${h.totalQuestions}题 · ${fmtNames[h.format] || h.format}${flagStr}

`; }).join(''); // 点击历史条目 → 加载 historyListEl.querySelectorAll('.xxt-history-item').forEach(item => { item.addEventListener('click', (e) => { if (e.target.closest('.xxt-history-delete')) return; if (e.target.closest('.xxt-history-download')) return; const id = Number(item.dataset.id); const entry = loadHistory().find(h => h.id === id); if (!entry) return; // 恢复提取数据；旧历史没有 hasCorrectAnswer 时从题目数据推断 const results = entry.results && typeof entry.results === 'object' ? entry.results : {}; const typeOrder = Array.isArray(entry.typeOrder) ? entry.typeOrder : Object.keys(results); const total = Number.isFinite(entry.totalQuestions) ? entry.totalQuestions : Object.values(results).reduce((sum, list) => sum + (Array.isArray(list) ? list.length : 0), 0); const inferredHasCorrectAnswer = Object.values(results).some(list => Array.isArray(list) && list.some(q => String(q?.correctAnswer || '').trim() || hasRichContent(q?.correctAnswerContent)) ); const hasCorrectAnswer = typeof entry.hasCorrectAnswer === 'boolean' ? entry.hasCorrectAnswer : inferredHasCorrectAnswer; extractedData = { total, title: entry.title, typeOrder, results, wrongCount: entry.wrongCount || 0, hasMyAnswer: entry.hasMyAnswer || false, hasCorrectAnswer, breakdown: Object.fromEntries(Object.entries(results).map(([k, v]) => [k, v.length])), text: formatOutput(results, typeOrder), textWithAnswers: formatOutputWithAnswers(results, typeOrder), textWrong: formatWrongQuestionsTXT(results, typeOrder), textMD: formatOutputMD(results, typeOrder), textWithAnswersMD: formatOutputWithAnswersMD(results, typeOrder), textWrongMD: formatWrongQuestionsMD(results, typeOrder), }; resetExportQuestionSelection(); // 恢复格式选项 const fmtRadio = document.querySelector(`input[name="xxt-fmt"][value="${entry.format}"]`); if (fmtRadio) fmtRadio.checked = true; // 恢复复选框 if (els.chkAnswers) { els.chkAnswers.checked = hasCorrectAnswer ? entry.withAnswers : false; els.chkAnswers.disabled = !hasCorrectAnswer; } const ansToggle = document.getElementById('xxt-ans-toggle'); if (ansToggle) ansToggle.classList.toggle('xxt-disabled', !hasCorrectAnswer); if (els.chkShuffle) els.chkShuffle.checked = entry.shuffle; if (els.chkWrong) els.chkWrong.checked = entry.withWrong; if (els.chkBankImport) els.chkBankImport.checked = entry.bankImport || false; // 根据格式调整 UI const isWord = entry.format === 'word'; if (els.wrongToggle) els.wrongToggle.style.display = isWord ? 'none' : ''; if (els.wrongHint) els.wrongHint.style.display = isWord ? 'none' : ''; // 题库导入格式选项仅在 Word 格式下显示 if (els.bankImportToggle) els.bankImportToggle.style.display = isWord ? '' : 'none'; // 题库导入格式：勾选时禁用打乱和答案选项（不隐藏，维持高度稳定） const isBankImport = entry.bankImport || false; const shuffleToggle = document.getElementById('xxt-shuffle-toggle'); if (ansToggle) { ansToggle.classList.toggle('xxt-disabled', isBankImport || !hasCorrectAnswer); if (ansToggle.querySelector('input')) ansToggle.querySelector('input').disabled = isBankImport || !hasCorrectAnswer; } if (shuffleToggle) { shuffleToggle.classList.toggle('xxt-disabled', isBankImport); if (shuffleToggle.querySelector('input')) shuffleToggle.querySelector('input').disabled = isBankImport; } if (els.wrongToggle) { els.wrongToggle.classList.toggle('xxt-disabled', isBankImport); if (els.wrongToggle.querySelector('input')) els.wrongToggle.querySelector('input').disabled = isBankImport; } // 题库导入格式下，错题提示不显示（选项已禁用） if (entry.hasMyAnswer && entry.wrongCount > 0 && !isBankImport) { els.wrongToggle.classList.remove('xxt-hidden'); els.wrongHint.textContent = `检测到 ${entry.wrongCount} 道错题，可勾选附加到输出末尾`; els.wrongHint.classList.remove('xxt-hidden'); } else { els.wrongToggle.classList.add('xxt-hidden'); els.wrongHint.classList.add('xxt-hidden'); } renderStats(els); updateFilename(els); els.result.classList.remove('xxt-hidden'); syncExtractionOptionState(extractedData); showStatus(els, `已加载历史记录：${entry.title} (${total}题)`, 'ok'); historyModal.classList.remove('open'); els.btnExtract.textContent = '重新提取'; }); }); // 删除按钮 historyListEl.querySelectorAll('.xxt-history-delete').forEach(btn => { btn.addEventListener('click', (e) => { e.stopPropagation(); const id = Number(btn.dataset.id); deleteHistoryById(id); renderHistoryList(); }); }); // 监听每一条记录中的下载按钮：点击会从历史记录中直接重新导出 historyListEl.querySelectorAll('.xxt-history-download').forEach(btn => { btn.addEventListener('click', async (e) => { e.stopPropagation(); const id = Number(btn.dataset.id); const entry = loadHistory().find(h => h.id === id); if (!entry) return; btn.disabled = true; btn.textContent = '...'; try { const { results, typeOrder, title, format, withAnswers, withWrong, shuffle, bankImport } = entry; const activeResults = shuffle ? shuffleQuestions(results, typeOrder) : results; const cleanTitle = (title || '学习通题目').replace(/[\\/:*?"<>|]/g, '_').substring(0, 60); if (format === 'word') { // Word 历史重导出始终生成原生 Office Open XML .docx。 const blob = await generateWordBlob(activeResults, typeOrder, title, withAnswers, withWrong, bankImport); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = cleanTitle + '.docx'; a.click(); URL.revokeObjectURL(url); } else if (format === 'pdf') { await generatePdf(activeResults, typeOrder, title, withAnswers, withWrong, cleanTitle + '.pdf'); } else { const ext = format === 'md' ? '.md' : '.txt'; const mime = format === 'md' ? 'text/markdown;charset=utf-8' : 'text/plain;charset=utf-8'; let text = withAnswers ? (format === 'md' ? formatOutputWithAnswersMD(activeResults, typeOrder) : formatOutputWithAnswers(activeResults, typeOrder)) : (format === 'md' ? formatOutputMD(activeResults, typeOrder) : formatOutput(activeResults, typeOrder)); // 含错题标记时追加错题汇总 if (withWrong) { text += format === 'md' ? formatWrongQuestionsMD(activeResults, typeOrder) : formatWrongQuestionsTXT(activeResults, typeOrder); } const blob = new Blob([text], { type: mime }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = cleanTitle + ext; a.click(); URL.revokeObjectURL(url); } } catch (err) { alert('导出失败: ' + err.message); } btn.disabled = false; btn.textContent = '\u{21E9}'; }); }); } function escapeHtml(str) { const div = document.createElement('div'); div.textContent = str; return div.innerHTML; } // 历史记录按钮 → 打开弹窗 const historyBtn = document.getElementById('xxt-historyBtn'); historyBtn.addEventListener('click', () => { renderHistoryList(); historyModal.classList.add('open'); }); historyCloseBtn.addEventListener('click', () => { historyModal.classList.remove('open'); }); historyModal.addEventListener('click', (e) => { if (e.target === historyModal) historyModal.classList.remove('open'); }); document.addEventListener('keydown', (e) => { if (e.key === 'Escape' && historyModal.classList.contains('open')) { historyModal.classList.remove('open'); } }, { signal: uiEventController.signal }); // ==================== 整门课章节测验批量提取 ==================== // 只读取用户勾选的章节测验：每次通过课程目录的原生点击进入下一章， // 等新题目页/iframe 确认更新后再提取并合并，不会提交答案或修改学习进度。 const batchModal = document.createElement('div'); batchModal.id = 'xxt-batch-modal'; batchModal.innerHTML = ` `; document.body.appendChild(batchModal); const batchProgressCard = document.createElement('aside'); batchProgressCard.id = 'xxt-batch-progress-card'; batchProgressCard.setAttribute('aria-live', 'polite'); batchProgressCard.innerHTML = `

📚 整门课题目提取

正在自动跳转任务点并提取。请不要切换课程、手动点击任务点、刷新页面或收起目录。

准备中…

`; document.body.appendChild(batchProgressCard); enableXxtDragging(batchModal.querySelector('.xxt-batch-box'), batchModal.querySelector('.xxt-modal-header'), 'batch'); enableXxtDragging(batchProgressCard, batchProgressCard.querySelector('.xxt-batch-card-head'), 'batchProgress'); const batchNote = batchModal.querySelector('#xxt-batch-note'); const batchList = batchModal.querySelector('#xxt-batch-list'); const batchProgress = batchModal.querySelector('#xxt-batch-progress'); const batchStartButton = batchModal.querySelector('#xxt-batch-start'); const batchStopButton = batchModal.querySelector('#xxt-batch-stop'); let batchEntries = []; // 暂停后的运行上下文只保存在当前页面会话：继续时不会重新统计已完成 // 的章节测验，也不会丢掉已经合并到结果面板里的题目。 let batchPausedRun = null; function batchQuestionCount(run) { return Number(run && run.added || 0); } function formatBatchLogTime(timestamp = Date.now()) { const date = new Date(timestamp); return [date.getHours(), date.getMinutes(), date.getSeconds()] .map(value => String(value).padStart(2, '0')).join(':'); } function renderBatchLiveLog(run = batchExtractionRun || batchPausedRun) { const live = els.batchLive; if (!live) return; const list = live.querySelector('[data-batch-live-log]'); const count = live.querySelector('[data-batch-live-log-count]'); const items = Array.isArray(run && run.logs) ? run.logs : []; count.textContent = String(items.length); list.innerHTML = items.map(item => `

${escapeHtml(formatBatchLogTime(item.at))}${escapeHtml(item.message)}

`).join(''); list.scrollTop = list.scrollHeight; } function appendBatchLog(message, level = '') { const run = batchExtractionRun || batchPausedRun; if (!run) return; if (!Array.isArray(run.logs)) run.logs = []; run.logs.push({ at: Date.now(), message: String(message || ''), level }); if (run.logs.length > 120) run.logs.splice(0, run.logs.length - 120); renderBatchLiveLog(run); } function updateBatchLiveProgress(message, detail = '', completed = 0, total = 0) { const live = els.batchLive; if (!live) return; const run = batchExtractionRun || batchPausedRun; if (!run) { live.classList.add('xxt-hidden'); return; } const isRunning = !!run.running; const isPaused = !isRunning && !!run.stopped; const state = isRunning ? '正在提取' : isPaused ? '已暂停' : '已完成'; const stateNode = live.querySelector('[data-batch-live-state]'); const currentNode = live.querySelector('[data-batch-live-current]'); const detailNode = live.querySelector('[data-batch-live-detail]'); const bar = live.querySelector('[data-batch-live-bar]'); const resume = live.querySelector('[data-batch-live-resume]'); const restart = live.querySelector('[data-batch-live-restart]'); const stop = live.querySelector('[data-batch-live-stop]'); live.classList.remove('xxt-hidden'); stateNode.textContent = state; stateNode.classList.toggle('is-paused', isPaused); stateNode.classList.toggle('is-done', !isRunning && !isPaused); currentNode.textContent = message; detailNode.textContent = detail; bar.style.width = total ? `${Math.max(0, Math.min(100, completed / total * 100))}%` : '0%'; resume.classList.toggle('xxt-hidden', !isPaused); restart.classList.toggle('xxt-hidden', isRunning); stop.classList.toggle('xxt-hidden', !isRunning); stop.disabled = !!run.stopped; renderBatchLiveLog(run); } function updateBatchProgress(message, detail = '', completed = 0, total = 0) { batchProgress.textContent = message; batchProgressCard.querySelector('[data-batch-card-current]').textContent = message; batchProgressCard.querySelector('[data-batch-card-detail]').textContent = detail; batchProgressCard.querySelector('[data-batch-card-bar]').style.width = total ? `${Math.max(0, Math.min(100, completed / total * 100))}%` : '0%'; updateBatchLiveProgress(message, detail, completed, total); } // 进度统一显示在已打开的主面板中，不再额外遮住课程内容。 function showBatchProgressCard() { batchProgressCard.classList.remove('open'); } function hideBatchProgressCard() { if (!(batchExtractionRun && batchExtractionRun.running)) batchProgressCard.classList.remove('open'); } // 参照 OCS：目录里每一个 getTeacherAjax 都是一个独立任务点（例如 // 1.1、1.2），第三个参数是其真实 chapterId。进入该任务点后，再从 // 当前页面 attachments 和 iframe 的 jobid 读取其中的多个章节测验。 const BATCH_TASKPOINT_SELECTOR = '[onclick^="getTeacherAjax"], [onclick*="getTeacherAjax("]'; const BATCH_TASKPOINT_ATTRIBUTES = ['data-knowledgeid', 'data-knowledge-id', 'data-chapterid', 'data-chapter-id', 'data-id']; function normalizeBatchText(value) { return String(value || '').replace(/\s+/g, ' ').trim(); } function collectBatchCatalogDocuments() { const docs = []; const seen = new Set(); const visit = doc => { if (!doc || seen.has(doc)) return; seen.add(doc); docs.push(doc); let frames = []; try { frames = Array.from(doc.querySelectorAll('iframe')); } catch (e) { return; } frames.forEach(frame => { try { visit(frame.contentDocument || (frame.contentWindow && frame.contentWindow.document)); } catch (e) {} }); }; visit(document); return docs; } function findBatchClickTarget(node) { if (!node || !node.closest) return node; if (node.matches && node.matches('[onclick*="getTeacherAjax"]')) return node; return node.closest('[onclick*="getTeacherAjax"]') || node; } function extractBatchTaskPointId(node) { for (let current = node, depth = 0; current && depth < 6; current = current.parentElement, depth++) { const onclick = current.getAttribute && current.getAttribute('onclick') || ''; const directTeacherMatch = onclick.match(/getTeacherAjax\s*\(\s*(['"]?)[^,)'"]+\1\s*,\s*(['"]?)[^,)'"]+\2\s*,\s*(['"]?)([^,)'"]+)\3/i); if (directTeacherMatch && /^\d{4,}$/.test(String(directTeacherMatch[4] || ''))) return String(directTeacherMatch[4]); for (const attr of BATCH_TASKPOINT_ATTRIBUTES) { // data-id 在页面中也常用于普通 DOM 节点；只有目录/任务节点才把它当作 // knowledgeId 候选，避免扫描到无关数字 ID 后误跳转。 if (attr === 'data-id' && !current.matches?.('.posCatalog, .posCatalog_name, .posCatalog_select, [class*="catalog"], [class*="Catalog"], [class*="task"], [class*="Task"], [class*="chapter"], [class*="Chapter"]')) continue; const value = current.getAttribute && current.getAttribute(attr); if (/^\d{4,}$/.test(String(value || ''))) return String(value); } const id = current.id || ''; const idMatch = id.match(/^cur(\d{4,})$/i); if (idMatch) return idMatch[1]; const source = `${current.getAttribute && current.getAttribute('href') || ''} ${current.getAttribute && current.getAttribute('onclick') || ''}`; const paramMatch = source.match(/(?:chapterId|chapterid|knowledgeId|knowledgeid)\s*(?:=|:|%3D)\s*['"]?(\d{4,})/i); if (paramMatch) return paramMatch[1]; // 课程目录的原生 onclick 通常是 // getTeacherAjax(courseId, clazzId, chapterId)。前两个参数不是 // 任务点 ID，不能像普通函数一样取第一个数字；OCS 也明确读取 // 第三个参数作为 chapterId/knowledgeId。 const teacherMatch = source.match(/getTeacherAjax\s*\(\s*(['"]?)[^,)'\"]+\1\s*,\s*(['"]?)[^,)'\"]+\2\s*,\s*(['"]?)(\d{4,})\3/i); if (teacherMatch) return teacherMatch[4]; const oldMatch = source.match(/toOld\s*\(\s*[^,)]*,\s*[^,)]*,\s*(['"]?)(\d{4,})\1/i); if (oldMatch) return oldMatch[2]; } return ''; } function getBatchEntryLabel(node) { const text = normalizeBatchText(node && node.textContent); return text && text.length <= 180 ? text : '未命名任务点'; } function scanChapterTestEntries() { const entries = []; const seen = new Set(); collectBatchCatalogDocuments().forEach((doc, documentIndex) => { let nodes = []; try { nodes = Array.from(doc.querySelectorAll(BATCH_TASKPOINT_SELECTOR)); } catch (e) { return; } nodes.forEach(node => { if (node.closest && node.closest('#xxt-panel, #xxt-settings-modal, #xxt-history-modal, #xxt-bank-modal, #xxt-save-bank-modal, #xxt-batch-modal, #xxt-preview-modal')) return; const knowledgeId = extractBatchTaskPointId(node); if (!knowledgeId) return; const target = findBatchClickTarget(node); if (!target) return; const href = target.getAttribute && target.getAttribute('href') || ''; const onclick = target.getAttribute && target.getAttribute('onclick') || ''; const label = getBatchEntryLabel(node); const identity = knowledgeId; if (seen.has(identity)) return; seen.add(identity); entries.push({ id: `batch-${documentIndex}-${entries.length}-${Date.now()}`, label, knowledgeId, href, onclick, documentIndex, selected: true, state: 'pending', kind: 'taskpoint', detail: '', tasks: null }); }); }); return entries; } function locateBatchEntry(entry) { const docs = collectBatchCatalogDocuments(); const preferred = docs[entry.documentIndex] ? [docs[entry.documentIndex], ...docs.filter(doc => doc !== docs[entry.documentIndex])] : docs; for (const doc of preferred) { let nodes = []; try { nodes = Array.from(doc.querySelectorAll(BATCH_TASKPOINT_SELECTOR)); } catch (e) { continue; } for (const node of nodes) { if (extractBatchTaskPointId(node) === entry.knowledgeId) return findBatchClickTarget(node); } } return null; } function getBatchCourseContext() { const contexts = []; getBatchHostWindows().forEach(host => { try { contexts.push(new URL(host.location.href).searchParams); } catch (e) {} }); try { contexts.push(new URL(window.location.href).searchParams); } catch (e) {} const value = (...keys) => { for (const params of contexts) { const result = keys.map(key => params.get(key)).find(item => item); if (result) return result; } return ''; }; return { courseId: value('courseId', 'courseid') || '', clazzId: value('clazzid', 'classId', 'classid') || '', cpi: value('cpi') || '' }; } function extractBalancedObject(source, startAt) { const start = source.indexOf('{', startAt); if (start < 0) return ''; let depth = 0; let quote = ''; let escaped = false; for (let i = start; i < source.length; i++) { const ch = source[i]; if (quote) { if (escaped) escaped = false; else if (ch === '\\') escaped = true; else if (ch === quote) quote = ''; continue; } if (ch === '"' || ch === "'") { quote = ch; continue; } if (ch === '{') depth++; else if (ch === '}' && --depth === 0) return source.slice(start, i + 1); } return ''; } function parseBatchCardsResponse(html) { const source = String(html || '') .replace(/"/gi, '"') .replace(/'|'/gi, "'"); // 学习通当前 cards 页面常为：try { mArg = {...}; }，因此第一个花括号 // 属于 try 块而不是 JSON。必须从 mArg 等号后的花括号开始读取。 // 有些旧版本会先赋给 $mArg / mArgJson，也一并兼容。 const assignment = /\b(?:\$?mArg(?:Json)?)\s*=\s*/ig; const attachmentAt = source.indexOf('"attachments"'); const starts = []; let match; while ((match = assignment.exec(source))) { starts.push(source.indexOf('{', match.index + match[0].length)); } if (attachmentAt >= 0) { let start = source.lastIndexOf('{', attachmentAt); while (start >= 0 && starts.length < 80) { starts.push(start); start = source.lastIndexOf('{', start - 1); } } for (const start of [...new Set(starts)].filter(index => index >= 0)) { const jsonText = extractBalancedObject(source, start); if (!jsonText) continue; try { const payload = JSON.parse(jsonText); if (payload && Array.isArray(payload.attachments)) return payload; } catch (e) {} } return null; } function getBatchHostWindows() { const windows = []; const seen = new Set(); const add = value => { if (value && !seen.has(value)) { seen.add(value); windows.push(value); } }; try { add(typeof unsafeWindow !== 'undefined' ? unsafeWindow : null); } catch (e) {} let current = window; for (let depth = 0; current && depth < 8; depth++) { add(current); try { if (current.parent === current) break; current = current.parent; } catch (e) { break; } } collectBatchCatalogDocuments().forEach(doc => { try { add(doc.defaultView); } catch (e) {} }); return windows; } function findBatchActiveCatalog(entry) { const id = `cur${entry.knowledgeId}`; return collectBatchCatalogDocuments().some(doc => { try { return !!doc.getElementById(id) || !!doc.querySelector(`.posCatalog_active[id="${id}"]`); } catch (e) { return false; } }); } // OCS 的第三个参数才是具体任务点 ID。优先调用课程页自己的导航函数， // 让学习通按原生逻辑切换可见内容，不再创建隐藏 iframe。 async function activateBatchTaskPoint(entry, context) { let invoked = false; for (const host of getBatchHostWindows()) { let teacherAjax = null; try { teacherAjax = host.getTeacherAjax; } catch (e) {} if (typeof teacherAjax !== 'function') continue; try { teacherAjax.call(host, context.courseId, context.clazzId, entry.knowledgeId); invoked = true; break; } catch (e) {} } if (!invoked) { const target = locateBatchEntry(entry); if (!target) return false; try { target.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true, view: window })); invoked = true; } catch (e) {} } if (invoked) await batchSleep(500); return invoked; } function getBatchCurrentChapterId(host) { try { const input = host && host.document && host.document.querySelector('#curChapterId'); return String(input && input.value || ''); } catch (e) { return ''; } } // 优先点学习通页面真正展示的“下一节”按钮。它本身会调用课程的 PCount // 逻辑，能与人工点击保持完全一致；PCount.next 只作为旧页面的兼容回退。 function findBatchNativeNextButton(host) { try { const doc = host && host.document; if (!doc) return null; const direct = doc.querySelector('#prevNextFocusNext, [id*="prevNextFocusNext"]'); if (direct && !direct.disabled && direct.getAttribute('aria-disabled') !== 'true') return direct; return Array.from(doc.querySelectorAll('button, a, input[type="button"], [role="button"]')).find(node => { const text = normalizeBatchText(`${node.getAttribute('title') || ''} ${node.getAttribute('aria-label') || ''} ${node.value || ''} ${node.textContent || ''}`); return /下一节/.test(text) && !node.disabled && node.getAttribute('aria-disabled') !== 'true'; }) || null; } catch (e) { return null; } } // 与 OCS 的“下一节”模式一致：由课程页的原生下一节控件推进，不改写 URL。 async function activateBatchNextTaskPoint(currentEntry, expectedEntry, context) { const expectedId = String(expectedEntry && expectedEntry.knowledgeId || ''); if (!expectedId) return false; let invoked = false; for (const host of getBatchHostWindows()) { const button = findBatchNativeNextButton(host); if (!button) continue; try { button.click(); invoked = true; break; } catch (e) {} } // 某些旧课程页没有可点击的原生按钮，才退回同一套页面导航函数。 for (const host of getBatchHostWindows()) { if (invoked) break; try { const doc = host.document; const chapterId = doc.querySelector('#curChapterId') && doc.querySelector('#curChapterId').value; const courseId = doc.querySelector('#curCourseId') && doc.querySelector('#curCourseId').value; const clazzId = doc.querySelector('#curClazzId') && doc.querySelector('#curClazzId').value; const tabs = doc.querySelectorAll('#prev_tab .prev_ul li, .prev_ul li'); if (!host.PCount || typeof host.PCount.next !== 'function' || !chapterId || !courseId || !clazzId) continue; host._preChapterId = String(chapterId); host.PCount.next(String(tabs.length), String(chapterId), String(courseId), String(clazzId), ''); invoked = true; break; } catch (e) {} } if (!invoked) return false; const startedAt = Date.now(); while (Date.now() - startedAt < 7000) { if (findBatchActiveCatalog(expectedEntry) || getBatchHostWindows().some(host => getBatchCurrentChapterId(host) === expectedId)) return true; await batchSleep(180); } return false; } async function waitForBatchTaskPointActive(entry, timeout = 3500) { const startedAt = Date.now(); while (Date.now() - startedAt < timeout) { if (findBatchActiveCatalog(entry)) return true; await batchSleep(180); } return false; } function getBatchGlobalAttachments() { const candidates = []; for (const host of getBatchHostWindows()) { try { if (Array.isArray(host.attachments)) candidates.push(host.attachments); } catch (e) {} } return candidates.sort((a, b) => b.length - a.length)[0] || []; } function batchAttachmentSignature(attachments) { return (attachments || []).map(attachment => String( attachment && (attachment.jobid || attachment.property && attachment.property._jobid || attachment.property && attachment.property.mid || '') )).filter(Boolean).join('|'); } // cards 接口的 num 是“该章节中的第几张任务卡”，不是附件分页号。 // 用卡片内容做签名，服务端重复返回同一张卡时停止；不能按单张卡的 // 附件数量提前停止。 function batchCardSignature(attachments) { return (attachments || []).map((attachment, index) => { const property = attachment && attachment.property || {}; return [ attachment && attachment.type || '', attachment && attachment.jobid || property._jobid || '', property.workid || '', property.objectid || property.mid || property.name || attachment && attachment.title || index, attachment && attachment.enc || '' ].map(value => String(value)).join('\u001f'); }).join('\u001e'); } async function waitForBatchGlobalAttachments(previousSignature, previousObject, timeout = 12000) { const startedAt = Date.now(); while (Date.now() - startedAt < timeout) { const attachments = getBatchGlobalAttachments(); const signature = batchAttachmentSignature(attachments); if (attachments.length && (!previousSignature || signature !== previousSignature || attachments !== previousObject)) return attachments; await batchSleep(250); } return getBatchGlobalAttachments(); } async function requestBatchTaskPointCards(entry, context) { const attachments = []; const maxCards = 80; const seenSignatures = new Set(); let scannedCards = 0; let sawValidCard = false; let stopReason = 'limit'; entry.cardScan = null; const parseResponse = html => { const source = String(html || '').replace(/"/gi, '"').replace(/'|'/gi, "'"); const assignment = /\b(?:\$?mArg(?:Json)?)\s*=\s*/ig; let match; while ((match = assignment.exec(source))) { const jsonText = extractBalancedObject(source, source.indexOf('{', match.index + match[0].length)); if (!jsonText) continue; try { const payload = JSON.parse(jsonText); if (payload && Array.isArray(payload.attachments)) return payload; } catch (e) {} } return parseBatchCardsResponse(source); }; // 与九九助手一致：从 num=0 起逐张读取章节内任务卡。普通视频、 // 文档、学习目标等也会被读到，但只会在后续转换阶段保留 workid。 for (let cardIndex = 0; cardIndex < maxCards; cardIndex++) { const params = new URLSearchParams({ clazzid: String(context.clazzId), courseid: String(context.courseId), knowledgeid: String(entry.knowledgeId), num: String(cardIndex), ut: 's', cpi: String(context.cpi || ''), v: '20160407-1', _t: String(Date.now()) }); const cardUrl = new URL('/mooc-ans/knowledge/cards', location.origin); cardUrl.search = params.toString(); let payload = null; let responseText = ''; let lastError = null; for (let attempt = 0; attempt < 2 && !payload; attempt++) { try { const url = new URL(cardUrl); url.searchParams.set('retry', String(attempt)); const response = await fetch(url.toString(), { credentials: 'include', cache: 'no-store' }); if (!response.ok) throw new Error(`任务点卡片请求失败（${response.status}）`); responseText = await response.text(); payload = parseResponse(responseText); } catch (error) { lastError = error; } if (!payload && attempt === 0) await batchSleep(250); } if (!payload || !Array.isArray(payload.attachments) || !payload.attachments.length) { entry.cardResponseDebug = { hasMArg: /\bmArg(?:Json)?\s*=/i.test(responseText), hasAttachments: /["']attachments["']\s*:/.test(responseText), sample: responseText.slice(0, 220), error: lastError ? String(lastError.message || lastError) : '' }; if (lastError) throw lastError; stopReason = payload ? 'empty' : 'no-next-card'; break; } // 同一个任务卡可能因网络重试/课程端回退而再次返回。连续或隔页重复 // 都说明不能再通过 cards 找到新的原生任务卡，停止即可。 const signature = batchCardSignature(payload.attachments); if (signature && seenSignatures.has(signature)) { stopReason = 'repeated-card'; break; } if (signature) seenSignatures.add(signature); sawValidCard = true; scannedCards++; attachments.push(...payload.attachments); } entry.cardScan = { scanned: sawValidCard, cards: scannedCards, attachments: attachments.length, stopReason }; window.__xxt_batch_debug = { entry: entry.knowledgeId, ...entry.cardScan, cardResponse: entry.cardResponseDebug || null }; return attachments; } // 当前章节加载完成后，课程页会把所有任务点渲染为 .prev_ul li。这里直接 // 读取这些原生任务卡，而不是通过 cards 接口猜测 workId：一张视频卡不会 // 再导致同章后面的“章节测验”被漏掉。 function getBatchNativeTaskTabs(entry) { const expectedChapterId = String(entry && entry.knowledgeId || ''); const tabs = []; const seen = new Set(); for (const doc of collectBatchCatalogDocuments()) { try { const currentChapterId = String(doc.querySelector('#curChapterId') && doc.querySelector('#curChapterId').value || ''); const nodes = Array.from(doc.querySelectorAll('#prev_tab .prev_ul li, .prev_ul li')); if (!nodes.length) continue; const belongsToChapter = !expectedChapterId || currentChapterId === expectedChapterId || nodes.some(node => (node.getAttribute('onclick') || '').includes(expectedChapterId)); if (!belongsToChapter) continue; nodes.forEach((tab, tabIndex) => { if (seen.has(tab)) return; seen.add(tab); const onclick = tab.getAttribute('onclick') || ''; const text = normalizeBatchText([ tab.getAttribute('title') || '', tab.getAttribute('aria-label') || '', tab.getAttribute('data-title') || '', tab.getAttribute('data-name') || '', tab.textContent || '' ].join(' ')); tabs.push({ tab, tabIndex, onclick, text, signature: `${tab.id || ''}\u001f${onclick}\u001f${text}`, chapterId: currentChapterId || expectedChapterId }); }); } catch (e) {} } return tabs; } function isBatchChapterTestTab(tabInfo) { const source = normalizeBatchText(`${tabInfo && tabInfo.text || ''} ${tabInfo && tabInfo.onclick || ''}`); return /章节\s*(?:测验|测试)/i.test(source); } function getBatchNativeTaskIds(tabInfo) { const source = `${tabInfo && tabInfo.onclick || ''} ${tabInfo && tabInfo.tab && tabInfo.tab.outerHTML || ''}`; const jobMatch = source.match(/(?:jobid|_jobid)\s*[=:]\s*['"]?([^,'"}\s]+)/i) || source.match(/\b(work-[a-z0-9-]{8,})\b/i); const workMatch = source.match(/(?:workid|workId)\s*[=:]\s*['"]?(?:work-)?([^,'"}\s]+)/i); const jobId = String(jobMatch && jobMatch[1] || ''); return { jobId, workId: String(workMatch && workMatch[1] || jobId).replace(/^work-/, '') }; } async function resolveBatchNativeTaskPointTasks(entry, timeout = 12000) { const startedAt = Date.now(); await waitForBatchTaskPointActive(entry); while (Date.now() - startedAt < timeout) { const tabs = getBatchNativeTaskTabs(entry); if (tabs.length) { const testTabs = tabs.filter(isBatchChapterTestTab); entry.nativeTaskScan = { cards: tabs.length, chapterTests: testTabs.length }; return testTabs.map((tabInfo, index) => { const ids = getBatchNativeTaskIds(tabInfo); return { ...entry, id: `${entry.id}-native-task-${index}`, label: `${entry.label} · ${tabInfo.text || `章节测验 ${index + 1}`}`, taskPointId: entry.knowledgeId, workId: ids.workId, jobId: ids.jobId, nativeTab: tabInfo.tab, nativeTabIndex: tabInfo.tabIndex, nativeTabSignature: tabInfo.signature, nativeTaskLabel: tabInfo.text, targetUrl: '', fallbackTargetUrl: '', kind: 'native-task', state: 'pending', detail: `任务点 ${entry.knowledgeId} · 原生任务卡 ${tabInfo.tabIndex + 1}` }; }); } await batchSleep(220); } entry.nativeTaskScan = { cards: 0, chapterTests: 0 }; return []; } // 批量提取只使用页面当前章节的原生任务卡。cards 相关兼容函数保留给 // 单页旧版页面排障，但不参与整门课的导航或章节测验发现。 async function resolveBatchTaskPointTasks(entry) { if (entry.tasks) return entry.tasks; const tasks = await resolveBatchNativeTaskPointTasks(entry); entry.tasks = tasks; return tasks; } async function resolveBatchTaskPointTasksFromCards(entry) { if (entry.tasks) return entry.tasks; const context = getBatchCourseContext(); if (!context.courseId || !context.clazzId || !entry.knowledgeId) return []; await waitForBatchTaskPointActive(entry); let attachments = []; let cardScanError = null; try { // 不使用当前可见 iframe 的 attachments 作为优先结果：它通常只有本章 // 第一张卡（常为视频），会把后面的章节测验永久漏掉。 attachments = await requestBatchTaskPointCards(entry, context); } catch (error) { cardScanError = error; } if (!(entry.cardScan && entry.cardScan.scanned)) { const visibleAttachments = await waitForBatchGlobalAttachments(entry.attachmentsBefore || '', entry.attachmentsBeforeObject, 2800); if (visibleAttachments.length) attachments = visibleAttachments; } const tasks = []; const seen = new Set(); attachments.forEach((attachment, index) => { if (!attachment || attachment.type !== 'workid') return; const property = attachment.property || {}; // 九九助手的字段约定：jobid 通常是 work-xxxx，property.workid 是 // 不带前缀的真实 workId；两者都存在时优先保留原始 jobid 作为 jobId。 const rawJobId = attachment.jobid || property._jobid || ''; const workId = String(property.workid || rawJobId || '').replace(/^work-/, ''); if (!workId) return; const jobId = String(rawJobId || `work-${workId}`); const taskKey = `${entry.knowledgeId}|${workId}|${jobId}`; if (seen.has(taskKey)) return; seen.add(taskKey); const params = new URLSearchParams({ workId: workId, courseId: context.courseId, clazzId: context.clazzId, knowledgeId: entry.knowledgeId, jobId, enc: String(attachment.enc || ''), cpi: String(context.cpi || ''), ut: 's', mooc2: '1' }); const title = normalizeBatchText(property.title || property.name || attachment.title || `章节测验任务 ${index + 1}`); tasks.push({ ...entry, id: `${entry.id}-task-${index}`, label: `${entry.label} · ${title}`, taskPointId: entry.knowledgeId, workId, jobId, attachment, targetUrl: `${location.origin}/mooc-ans/work/view?${params.toString()}`, fallbackTargetUrl: `${location.origin}/mooc-ans/work/phone/work?${params.toString()}`, // OCS 的任务发现依赖章节页实际渲染出的 iframe，而不是拼接 URL。 // 这里记录 jobId，用原生任务卡切换后按它确认目标 iframe。 kind: 'task', state: 'pending', detail: `任务点 ${entry.knowledgeId} · workId ${workId}` }); }); // 部分学校不让 cards 接口返回附件，但页面切换后会直接渲染测验链接。 // 读取链接中的 knowledgeId/workId，仍以任务点为准，绝不以任务标题匹配。 if (!tasks.length) { const links = []; collectBatchCatalogDocuments().forEach(doc => { try { doc.querySelectorAll('a[href*="/work/view"], a[href*="/work/phone/work"]').forEach(link => links.push(link)); } catch (e) {} }); links.forEach((link, index) => { let url; try { url = new URL(link.href || link.getAttribute('href') || '', location.href); } catch (e) { return; } const taskPointId = url.searchParams.get('knowledgeId') || url.searchParams.get('chapterId') || ''; if (taskPointId && String(taskPointId) !== String(entry.knowledgeId)) return; const workId = String(url.searchParams.get('workId') || url.searchParams.get('workid') || '').replace(/^work-/, ''); if (!workId) return; const jobId = url.searchParams.get('jobId') || url.searchParams.get('jobid') || `work-${workId}`; const taskKey = `${entry.knowledgeId}|${workId}|${jobId}`; if (seen.has(taskKey)) return; seen.add(taskKey); tasks.push({ ...entry, id: `${entry.id}-dom-task-${index}`, label: `${entry.label} · ${normalizeBatchText(link.textContent) || `章节测验任务 ${index + 1}`}`, taskPointId: entry.knowledgeId, workId, jobId, targetUrl: url.href, fallbackTargetUrl: url.href, kind: 'task', state: 'pending', detail: `任务点 ${entry.knowledgeId} · workId ${workId}` }); }); } if (!tasks.length && cardScanError) throw cardScanError; entry.tasks = tasks; return tasks; } function renderBatchEntries() { const running = !!(batchExtractionRun && batchExtractionRun.running); if (!batchEntries.length) { batchList.innerHTML = '

未在当前页面识别到可用任务点。请先进入课程详情并展开右侧课程目录，再点击“重新扫描目录”。

'; batchStartButton.disabled = true; return; } batchList.innerHTML = batchEntries.map((entry, index) => { const stateText = entry.state === 'current' ? '提取中' : entry.state === 'done' ? '已提取' : entry.state === 'failed' ? '已跳过' : '待提取'; const stateClass = entry.state === 'current' ? ' is-current' : entry.state === 'done' ? ' is-done' : entry.state === 'failed' ? ' is-failed' : ''; const meta = entry.detail || (entry.kind === 'taskpoint' ? `任务点 ${entry.knowledgeId}：开始后自动读取其中的章节测验任务` : `任务点 ${entry.taskPointId} · workId ${entry.workId}`); return ` ${escapeHtml(entry.label)}${escapeHtml(meta)} ${stateText} `; }).join(''); batchStartButton.disabled = running || !batchEntries.some(entry => entry.selected); batchStartButton.textContent = batchPausedRun ? '继续提取' : '开始提取'; } function refreshBatchScan() { if (batchExtractionRun && batchExtractionRun.running) return; batchPausedRun = null; batchEntries = scanChapterTestEntries(); batchNote.textContent = batchEntries.length ? `已识别 ${batchEntries.length} 个课程任务点。默认已全选；开始后会从每个任务点的真实任务列表中逐个提取章节测验。` : '未识别到课程任务点。请先展开课程目录；若目录在 iframe 中，确认其内容已经加载完成后再扫描。'; updateBatchProgress(batchEntries.length ? `已选择 ${batchEntries.length} 个课程任务点` : ''); renderBatchEntries(); } // 批量切换采用固定、保守的节奏：先确认上一页已经完成，再让新页面有 // 充足时间渲染。这里不伪造用户操作，也不会绕过页面验证码或其他限制。 const BATCH_PACING = Object.freeze({ minNavigationGapMs: 4200, navigationSettleMs: 1800, taskSwitchSettleMs: 1200, taskCooldownMs: 800, chapterCooldownMs: 1000, checkIntervalMs: 200 }); function batchSleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); } async function waitForBatchRun(run, duration) { const deadline = Date.now() + Math.max(0, Number(duration) || 0); while (Date.now() < deadline) { if (run && (run.stopped || !batchExtractionRun || batchExtractionRun.id !== run.id)) return false; await batchSleep(Math.min(BATCH_PACING.checkIntervalMs, Math.max(1, deadline - Date.now()))); } return !(run && (run.stopped || !batchExtractionRun || batchExtractionRun.id !== run.id)); } async function waitForBatchNavigationGap(run) { const lastNavigationAt = Number(run && run.lastNavigationAt || 0); const remaining = Math.max(0, BATCH_PACING.minNavigationGapMs - (Date.now() - lastNavigationAt)); if (remaining < 80) return !(run && run.stopped); appendBatchLog(`等待页面稳定：将在约 ${Math.ceil(remaining / 1000)} 秒后进入下一节。`); return waitForBatchRun(run, remaining); } function currentBatchQuestionSignature() { const top = extractFromRoot(document); if (hasQuestions(top)) return iframeDataSignature(top); return iframeDataSignature(window.__xxt_iframe_data); } function clearBatchVisibleTask(run) { if (run) run.activeFrame = null; } function collectBatchVisibleDocuments() { const docs = []; const seen = new Set(); const visit = doc => { if (!doc || seen.has(doc)) return; seen.add(doc); docs.push(doc); try { Array.from(doc.querySelectorAll('iframe')).forEach(frame => visit(frame.contentDocument)); } catch (e) {} }; visit(document); return docs; } function findBatchVisibleContentFrame() { const candidates = []; const visit = doc => { if (!doc) return; try { Array.from(doc.querySelectorAll('iframe:not([data-xxt-batch-frame])')).forEach(frame => { let rect = { width: 0, height: 0 }; try { rect = frame.getBoundingClientRect(); } catch (e) {} const hint = `${frame.id} ${frame.name} ${frame.getAttribute('src') || ''}`.toLowerCase(); const score = (rect.width > 180 && rect.height > 120 ? 10 : 0) + (/studentstudy|frame_content|content|work|main/.test(hint) ? 5 : 0) + (frame.offsetParent !== null ? 2 : 0); candidates.push({ frame, score }); try { visit(frame.contentDocument); } catch (e) {} }); } catch (e) {} }; visit(document); candidates.sort((a, b) => b.score - a.score); return candidates[0] && candidates[0].frame; } function getBatchFrameJobId(frame) { let current = frame; for (let depth = 0; current && depth < 3; depth++, current = current.parentElement) { const raw = current.getAttribute && current.getAttribute('data') || ''; try { const payload = JSON.parse(raw); const parsedJobId = payload && (payload.jobid || payload._jobid); if (parsedJobId) return String(parsedJobId); } catch (e) {} const match = raw.match(/["']?(?:jobid|_jobid)["']?\s*[=:]\s*["']?([^,"'}\s]+)["']?/i); if (match) return String(match[1]); try { const href = current.contentWindow && current.contentWindow.location.href || ''; const params = new URL(href, location.href).searchParams; const jobId = params.get('jobId') || params.get('jobid'); if (jobId) return String(jobId); } catch (e) {} } return ''; } function findBatchTaskFrame(task) { const targetJobId = String(task && (task.jobId || task.attachment && (task.attachment.jobid || task.attachment.property && task.attachment.property._jobid) || '') || ''); if (!targetJobId) return null; const frames = []; const visit = doc => { if (!doc) return; try { Array.from(doc.querySelectorAll('iframe:not([data-xxt-batch-frame])')).forEach(frame => { if (getBatchFrameJobId(frame) === targetJobId) frames.push(frame); try { visit(frame.contentDocument); } catch (e) {} }); } catch (e) {} }; visit(document); return frames[0] || null; } function findBatchTaskLink(task) { const workId = String(task && task.workId || ''); const jobId = String(task && task.jobId || ''); for (const doc of collectBatchVisibleDocuments()) { try { const link = Array.from(doc.querySelectorAll('a[href]')).find(anchor => { const href = anchor.getAttribute('href') || ''; return (jobId && href.includes(jobId)) || (workId && href.includes(workId)); }); if (link) return link; } catch (e) {} } return null; } // 按课程页原生任务卡切换。每个 task 都在进入章节后直接从 .prev_ul li // 创建，因此不会把上一章节或 cards 接口推断出的 workId 错配到当前页。 function findBatchNativeTaskTab(task) { const expectedChapterId = String(task && (task.taskPointId || task.knowledgeId) || ''); const tabs = getBatchNativeTaskTabs({ knowledgeId: expectedChapterId }); const exact = tabs.find(tabInfo => (task && task.nativeTab && tabInfo.tab === task.nativeTab) || (task && task.nativeTabSignature && tabInfo.signature === task.nativeTabSignature) || (task && Number.isInteger(task.nativeTabIndex) && tabInfo.tabIndex === task.nativeTabIndex && isBatchChapterTestTab(tabInfo)) ); return exact || tabs.find(isBatchChapterTestTab) || null; } function isBatchNativeTaskActive(task) { const nativeTab = findBatchNativeTaskTab(task); const tab = nativeTab && nativeTab.tab; if (!tab) return false; try { return !!(tab.classList && (tab.classList.contains('active') || tab.classList.contains('cur') || tab.classList.contains('current'))) || tab.getAttribute('aria-selected') === 'true'; } catch (e) { return false; } } async function activateBatchNativeTask(task) { const nativeTab = findBatchNativeTaskTab(task); if (!nativeTab) return false; const active = isBatchNativeTaskActive(task); if (!active) { let invoked = false; // 先点任务卡本身，完全复用学习通页面上的点击路径。 try { nativeTab.tab.click(); invoked = true; } catch (e) {} const match = nativeTab.onclick.match(/changeDisplayContent\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*['"]?([^,'")]+)['"]?\s*,\s*['"]?([^,'")]+)['"]?\s*,\s*['"]?([^,'")]+)['"]?/i); if (!invoked && match) { for (const host of getBatchHostWindows()) { try { if (typeof host.changeDisplayContent !== 'function') continue; host.changeDisplayContent(Number(match[1]), Number(match[2]), match[3], match[4], match[5], ''); invoked = true; break; } catch (e) {} } } if (!invoked) return false; } task.nativeTaskTab = nativeTab.tab; task.nativeTaskLabel = nativeTab.text; task.nativeWasActive = active; await batchSleep(350); return true; } async function navigateBatchVisibleTask(run, entry) { run.expectedTargetUrl = entry.targetUrl || ''; run.navigationStartedAt = Date.now(); const taskFrame = findBatchTaskFrame(entry); if (taskFrame) { run.activeFrame = taskFrame; return true; } if (await activateBatchNativeTask(entry)) return true; throw new Error('未在当前章节的原生任务卡中找到章节测验'); } function isBatchVisibleNavigationReady(run) { if (!run) return false; if (!run.expectedTargetUrl) return !!(run.activeTask && isBatchNativeTaskActive(run.activeTask)); let expected; try { expected = new URL(run.expectedTargetUrl, location.href); } catch (e) { return false; } const expectedWorkId = expected.searchParams.get('workId') || expected.searchParams.get('workid') || ''; const expectedPath = expected.pathname.replace(/\/$/, ''); if (run.activeFrame) { try { const href = run.activeFrame.contentWindow && run.activeFrame.contentWindow.location.href || ''; const ready = !run.activeFrame.contentDocument || run.activeFrame.contentDocument.readyState === 'complete'; if (ready && expectedWorkId && href.includes(expectedWorkId) && href.includes(expectedPath)) return true; } catch (e) {} } return collectBatchVisibleDocuments().some(doc => { try { const href = doc.defaultView && doc.defaultView.location.href || ''; return href && href.includes(expectedPath) && (!expectedWorkId || href.includes(expectedWorkId)); } catch (e) { return false; } }); } function isBatchIframeMessageForRun(run) { if (!run) return false; if (!run.expectedTargetUrl) return !!(run.activeTask && isBatchNativeTaskActive(run.activeTask)); const href = window.__xxt_iframe_context && window.__xxt_iframe_context.href || ''; if (!href) return false; try { const expected = new URL(run.expectedTargetUrl, location.href); const expectedWorkId = expected.searchParams.get('workId') || expected.searchParams.get('workid') || ''; const expectedPath = expected.pathname.replace(/\/$/, ''); return href.includes(expectedPath) && (!expectedWorkId || href.includes(expectedWorkId)); } catch (e) { return false; } } async function extractFromVisibleBatchPage() { const docs = collectBatchVisibleDocuments(); // 内层题目页面优先，避免外层仍保留上一份题目的容器影响结果。 for (let index = docs.length - 1; index >= 0; index--) { const doc = docs[index]; try { await prepareFontCipherDecoder(doc); const result = extractFromRoot(doc); if (hasQuestions(result)) return result; } catch (e) {} } return emptyExtractResult(); } async function extractFromBatchTaskFrame(frame) { if (!frame) return emptyExtractResult(); try { const doc = frame.contentDocument; if (!doc) return emptyExtractResult(); await prepareFontCipherDecoder(doc); return extractFromRoot(doc); } catch (e) { return emptyExtractResult(); } } async function waitForBatchVisibleQuestions(run, previousSignature, previousMessageAt, timeout = 30000) { const startedAt = Date.now(); let nextRequestAt = 0; while (Date.now() - startedAt < timeout) { if (!batchExtractionRun || batchExtractionRun.id !== run.id || run.stopped) return emptyExtractResult(); if (!run.activeFrame && run.activeTask) run.activeFrame = findBatchTaskFrame(run.activeTask); const direct = run.activeFrame ? await extractFromBatchTaskFrame(run.activeFrame) : await extractFromVisibleBatchPage(); const directSignature = iframeDataSignature(direct); const freshMessage = (window.__xxt_last_iframe_message_at || 0) > previousMessageAt; if (hasQuestions(direct) && directSignature && (run.activeFrame || directSignature !== previousSignature || freshMessage || (run.activeTask && run.activeTask.nativeWasActive) || (isBatchVisibleNavigationReady(run) && Date.now() - startedAt > 900))) return direct; const iframeData = window.__xxt_iframe_data; const iframeSignature = iframeDataSignature(iframeData); if (iframeData && hasQuestions(iframeData) && iframeSignature && ((freshMessage && isBatchIframeMessageForRun(run)) || iframeSignature !== previousSignature)) return iframeData; if (Date.now() >= nextRequestAt) { requestIframeExtraction('', undefined, { batchRunId: run.id }); nextRequestAt = Date.now() + 900; } await batchSleep(260); } return emptyExtractResult(); } function mergeBatchChapterResult(run, source, entry) { const chapterData = createExtractedDataFromResults(source.results, source.typeOrder, entry.label); const temporaryBank = { id: 'batch-temporary', name: '批量章节测验', createdAt: '', updatedAt: '', results: run.results, typeOrder: run.typeOrder }; const merged = mergeExtractedDataIntoBank(temporaryBank, chapterData); run.results = merged.bank.results; run.typeOrder = merged.bank.typeOrder; run.added += merged.added; run.skipped += merged.skipped; run.answersFilled += merged.answersFilled; return chapterData.total; } function stopBatchExtraction() { if (batchExtractionRun && batchExtractionRun.running) { batchExtractionRun.stopped = true; batchStopButton.disabled = true; appendBatchLog(`已请求暂停：当前已完成 ${batchExtractionRun.completed} 个章节测验，累计 ${batchQuestionCount(batchExtractionRun)} 题。`, 'warn'); updateBatchProgress('正在暂停提取…', `已完成 ${batchExtractionRun.completed} 个测验，累计 ${batchQuestionCount(batchExtractionRun)} 题；当前任务会尽快安全停下。`, batchExtractionRun.nextIndex || 0, (batchExtractionRun.selectedTaskPoints || []).length); } } function resetBatchForRestart() { batchPausedRun = null; batchEntries.forEach(entry => { if (!entry.selected) return; entry.state = 'pending'; entry.detail = ''; entry.tasks = null; entry.nativeTaskScan = null; entry.cardScan = null; }); } async function startBatchExtraction(options = {}) { if (batchExtractionRun && batchExtractionRun.running) return; const shouldResume = !!(options.resume && batchPausedRun); if (options.restart) resetBatchForRestart(); let selectedTaskPoints; let startIndex = 0; let run; if (shouldResume) { run = batchPausedRun; batchPausedRun = null; selectedTaskPoints = Array.isArray(run.selectedTaskPoints) ? run.selectedTaskPoints : batchEntries.filter(entry => entry.selected); startIndex = Math.max(0, Math.min(Number(run.nextIndex) || 0, selectedTaskPoints.length)); run.id = `batch-run-${Date.now()}-${Math.random().toString(36).slice(2, 7)}`; run.running = true; run.stopped = false; run.activeFrame = null; run.activeTask = null; } else { selectedTaskPoints = batchEntries.filter(entry => entry.selected); run = { id: `batch-run-${Date.now()}-${Math.random().toString(36).slice(2, 7)}`, running: true, stopped: false, results: Object.fromEntries(QUESTION_BANK_TYPES.map(type => [type, []])), typeOrder: [], added: 0, skipped: 0, answersFilled: 0, completed: 0, taskPointsCompleted: 0, failed: 0, activeFrame: null, selectedTaskPoints, nextIndex: 0, noTasks: false }; } if (!selectedTaskPoints.length) return; run.selectedTaskPoints = selectedTaskPoints; run.nextIndex = startIndex; batchExtractionRun = run; if (!Array.isArray(run.logs)) run.logs = []; appendBatchLog( shouldResume ? `继续提取：将从第 ${startIndex + 1} / ${selectedTaskPoints.length} 章恢复。` : `开始提取：已选择 ${selectedTaskPoints.length} 个课程任务点。` ); appendBatchLog(`保守节奏已开启：每次章节切换至少间隔 ${Math.round(BATCH_PACING.minNavigationGapMs / 1000)} 秒，确认切换后再额外等待页面稳定。`); els.btnBatchExtract.disabled = true; els.btnExtract.disabled = true; batchStopButton.classList.remove('xxt-hidden'); batchStopButton.disabled = false; batchProgressCard.querySelector('[data-batch-card-stop]').classList.remove('xxt-hidden'); batchStartButton.disabled = true; batchModal.classList.remove('open'); showBatchProgressCard(); updateBatchProgress( shouldResume ? `继续提取：从第 ${startIndex + 1} / ${selectedTaskPoints.length} 章开始` : `正在读取 ${selectedTaskPoints.length} 个任务点…`, `已完成 ${run.completed} 个测验，累计 ${batchQuestionCount(run)} 题；视频等非测验任务会自动跳过。`, startIndex, selectedTaskPoints.length ); renderBatchEntries(); const context = getBatchCourseContext(); for (let index = startIndex; index < selectedTaskPoints.length; index++) { if (run.stopped) break; const entry = selectedTaskPoints[index]; run.nextIndex = index; entry.state = 'current'; entry.detail = `正在按 knowledgeId ${entry.knowledgeId} 跳转任务点…`; appendBatchLog(`第 ${index + 1} / ${selectedTaskPoints.length} 章：正在进入“${entry.label}”。`); updateBatchProgress( `第 ${index + 1} / ${selectedTaskPoints.length} 章 · 正在读取任务卡`, `${entry.label} · 已完成 ${run.completed} 个测验，累计 ${batchQuestionCount(run)} 题。`, index, selectedTaskPoints.length ); renderBatchEntries(); try { // 首项按目录原生进入；后续项直接点页面底部“下一节”。若选中的 // 章节不是相邻项或页面未响应，才回退到目录原生函数。 let reached = false; if (index > startIndex && index > 0) { if (!await waitForBatchNavigationGap(run)) break; run.lastNavigationAt = Date.now(); reached = await activateBatchNextTaskPoint(selectedTaskPoints[index - 1], entry, context); } if (!reached) { // 原生“下一节”不可用或未响应时，再用目录自己的导航函数回退； // 同样记录一次切换时间，避免连续触发课程页请求。 run.lastNavigationAt = Date.now(); reached = await activateBatchTaskPoint(entry, context); } if (!reached) throw new Error('无法通过课程原生导航进入该任务点'); appendBatchLog(`第 ${index + 1} 章：已发出章节切换，正在等待页面稳定。`); if (!await waitForBatchRun(run, BATCH_PACING.navigationSettleMs)) break; const tasks = await resolveBatchTaskPointTasks(entry); if (!tasks.length) { entry.state = 'failed'; entry.detail = '已跳转到任务点，但未发现章节测验任务'; run.failed++; run.noTasks = true; appendBatchLog(`第 ${index + 1} 章：未发现“章节测验”任务卡，已跳过。`, 'warn'); updateBatchProgress(`第 ${index + 1} / ${selectedTaskPoints.length} 个任务点未发现测验`, `${entry.label} · 请确认该任务点确实包含章节测验`, index + 1, selectedTaskPoints.length); } else { const scanned = entry.nativeTaskScan || {}; const skippedCards = Math.max(0, Number(scanned.cards || tasks.length) - tasks.length); appendBatchLog(`第 ${index + 1} 章：识别 ${scanned.cards || tasks.length} 个原生任务卡，跳过 ${skippedCards} 个非测验任务，待提取 ${tasks.length} 个章节测验。`); for (let taskIndex = 0; taskIndex < tasks.length; taskIndex++) { if (run.stopped) break; const task = tasks[taskIndex]; if (task.state === 'done') continue; run.activeTask = task; run.activeFrame = null; window.__xxt_ignore_iframe_signature = ''; task.state = 'current'; appendBatchLog(`第 ${index + 1} 章 · 本章第 ${taskIndex + 1} / ${tasks.length} 个测验：打开“${task.nativeTaskLabel || '章节测验'}”。`); entry.detail = `本章第 ${taskIndex + 1} / ${tasks.length} 个章节测验；总计已完成 ${run.completed} 个测验、${batchQuestionCount(run)} 题`; updateBatchProgress( `第 ${index + 1} / ${selectedTaskPoints.length} 章 · 本章第 ${taskIndex + 1} / ${tasks.length} 个测验`, `${entry.label} · 总计已完成 ${run.completed} 个测验，累计 ${batchQuestionCount(run)} 题。`, index, selectedTaskPoints.length ); renderBatchEntries(); let source = emptyExtractResult(); const previousSignature = currentBatchQuestionSignature(); const previousMessageAt = window.__xxt_last_iframe_message_at || 0; window.__xxt_iframe_data = null; window.__xxt_iframe_context = null; await navigateBatchVisibleTask(run, task); if (!await waitForBatchRun(run, BATCH_PACING.taskSwitchSettleMs)) break; source = await waitForBatchVisibleQuestions(run, previousSignature, previousMessageAt); if (run.stopped) break; if (!hasQuestions(source)) { run.failed++; task.state = 'failed'; entry.detail = '章节测验任务卡已打开，但等待题目超时，已跳过'; appendBatchLog(`第 ${index + 1} 章 · 本章第 ${taskIndex + 1} 个测验：题目加载超时，已跳过。`, 'warn'); } else { const chapterTotal = mergeBatchChapterResult(run, source, task); run.completed++; task.state = 'done'; entry.detail = `本章第 ${taskIndex + 1} / ${tasks.length} 个测验已提取 ${chapterTotal} 题；总计 ${run.completed} 个测验、${batchQuestionCount(run)} 题`; appendBatchLog(`第 ${index + 1} 章 · 本章第 ${taskIndex + 1} 个测验：已提取 ${chapterTotal} 题；累计 ${run.completed} 个测验、${batchQuestionCount(run)} 题。`); updateBatchProgress( `第 ${index + 1} / ${selectedTaskPoints.length} 章 · 本章第 ${taskIndex + 1} / ${tasks.length} 个测验已完成`, `${entry.label} · 总计已完成 ${run.completed} 个测验，累计 ${batchQuestionCount(run)} 题。`, index, selectedTaskPoints.length ); } renderBatchEntries(); if (!run.stopped && taskIndex < tasks.length - 1) { if (!await waitForBatchRun(run, BATCH_PACING.taskCooldownMs)) break; } } if (run.stopped) { entry.state = 'pending'; entry.detail = `已暂停：继续后从本章未完成的章节测验继续（当前已完成 ${run.completed} 个测验、${batchQuestionCount(run)} 题）`; appendBatchLog(`第 ${index + 1} 章：已安全暂停，继续后会从本章未完成的测验继续。`, 'warn'); } else { entry.state = 'done'; run.taskPointsCompleted++; run.nextIndex = index + 1; appendBatchLog(`第 ${index + 1} 章：该章章节测验处理完成。`); } } } catch (error) { entry.state = 'failed'; entry.detail = `任务点提取失败：${error && error.message ? error.message : error}`; run.failed++; run.nextIndex = index + 1; appendBatchLog(`第 ${index + 1} 章：提取异常，已跳过。${error && error.message ? `原因：${error.message}` : ''}`, 'error'); updateBatchProgress(`第 ${index + 1} / ${selectedTaskPoints.length} 章未完成`, `${entry.label} · 已跳过并继续；总计已完成 ${run.completed} 个测验、${batchQuestionCount(run)} 题。`, index + 1, selectedTaskPoints.length); } clearBatchVisibleTask(run); run.activeTask = null; renderBatchEntries(); if (!run.stopped && index < selectedTaskPoints.length - 1) { if (!await waitForBatchRun(run, BATCH_PACING.chapterCooldownMs)) break; } } run.running = false; clearBatchVisibleTask(run); batchStopButton.classList.add('xxt-hidden'); els.btnBatchExtract.disabled = false; els.btnExtract.disabled = false; const data = createExtractedDataFromResults(run.results, run.typeOrder, `整门课章节测验（${run.completed}个测验）`); if (data.total > 0) { extractedData = data; resetExportQuestionSelection(); renderStats(els); updateFilename(els); els.result.classList.remove('xxt-hidden'); syncExtractionOptionState(extractedData); } const summary = run.stopped ? `已停止：完成 ${run.completed} 个任务，累计 ${data.total} 题` : run.noTasks && run.completed === 0 ? '所选任务点中未发现可提取的章节测验任务' : `批量提取完成：${run.completed} 个任务，累计 ${data.total} 题${run.failed ? `，跳过 ${run.failed} 个任务` : ''}`; if (run.stopped) batchPausedRun = run; appendBatchLog(run.stopped ? `批量提取已暂停：已完成 ${run.completed} 个章节测验，累计 ${data.total} 题；可继续或重新开始。` : `批量提取结束：已完成 ${run.completed} 个章节测验，累计 ${data.total} 题${run.failed ? `，跳过 ${run.failed} 个任务。` : '。'}`, run.stopped || run.failed ? 'warn' : ''); const finalDetail = run.stopped ? `已保留已提取的 ${data.total} 题。点击“继续提取”从第 ${Math.min(run.nextIndex + 1, selectedTaskPoints.length)} / ${selectedTaskPoints.length} 章继续，或点击“重新开始”。` : `已按原生任务卡和页面底部“下一节”可见跳转；${run.skipped ? `去重 ${run.skipped} 题。` : '没有重复题目。'}`; updateBatchProgress(summary, finalDetail, run.stopped ? Math.min(run.nextIndex, selectedTaskPoints.length) : selectedTaskPoints.length, selectedTaskPoints.length); batchNote.textContent = summary + (run.skipped ? `；已自动去重 ${run.skipped} 题。` : '。'); showStatus(els, summary, run.failed || run.stopped || (run.noTasks && run.completed === 0) ? 'warn' : 'ok'); batchExtractionRun = null; batchProgressCard.querySelector('[data-batch-card-stop]').classList.add('xxt-hidden'); renderBatchEntries(); } els.btnBatchExtract.addEventListener('click', () => { if (batchPausedRun) { batchNote.textContent = `已暂停：完成 ${batchPausedRun.completed} 个测验，累计 ${batchQuestionCount(batchPausedRun)} 题。可继续提取，或重新扫描后重新开始。`; } else { refreshBatchScan(); } batchModal.classList.add('open'); }); batchModal.querySelector('#xxt-batch-rescan').addEventListener('click', refreshBatchScan); batchModal.querySelector('#xxt-batch-select-all').addEventListener('click', () => { if (batchExtractionRun && batchExtractionRun.running) return; batchEntries.forEach(entry => { entry.selected = true; }); renderBatchEntries(); updateBatchProgress(`已选择 ${batchEntries.length} 个课程任务点`); }); batchModal.querySelector('#xxt-batch-select-none').addEventListener('click', () => { if (batchExtractionRun && batchExtractionRun.running) return; batchEntries.forEach(entry => { entry.selected = false; }); renderBatchEntries(); updateBatchProgress('尚未选择课程任务点'); }); batchList.addEventListener('change', event => { const index = Number(event.target && event.target.dataset && event.target.dataset.batchSelect); if (!Number.isInteger(index) || !batchEntries[index] || (batchExtractionRun && batchExtractionRun.running)) return; batchEntries[index].selected = !!event.target.checked; updateBatchProgress(`已选择 ${batchEntries.filter(entry => entry.selected).length} 个课程任务点`); renderBatchEntries(); }); batchStartButton.addEventListener('click', () => startBatchExtraction({ resume: !!batchPausedRun })); batchStopButton.addEventListener('click', stopBatchExtraction); batchModal.querySelector('#xxt-batch-close').addEventListener('click', () => { if (batchExtractionRun && batchExtractionRun.running) stopBatchExtraction(); else batchModal.classList.remove('open'); }); batchModal.addEventListener('click', event => { if (event.target === batchModal && !(batchExtractionRun && batchExtractionRun.running)) batchModal.classList.remove('open'); }); document.addEventListener('keydown', event => { if (event.key !== 'Escape' || !batchModal.classList.contains('open')) return; if (batchExtractionRun && batchExtractionRun.running) stopBatchExtraction(); else batchModal.classList.remove('open'); }, { signal: uiEventController.signal }); batchProgressCard.querySelector('[data-batch-card-stop]').addEventListener('click', stopBatchExtraction); batchProgressCard.querySelector('[data-batch-card-close]').addEventListener('click', hideBatchProgressCard); els.batchLive.querySelector('[data-batch-live-stop]').addEventListener('click', stopBatchExtraction); els.batchLive.querySelector('[data-batch-live-resume]').addEventListener('click', () => startBatchExtraction({ resume: true })); els.batchLive.querySelector('[data-batch-live-restart]').addEventListener('click', () => startBatchExtraction({ restart: true })); // ==================== 独立题库区 ==================== const bankModal = document.createElement('div'); bankModal.id = 'xxt-bank-modal'; bankModal.innerHTML = `

匹配阈值 %

`; document.body.appendChild(bankModal); enableXxtDragging(bankModal.querySelector('.xxt-bank-box'), bankModal.querySelector('.xxt-modal-header'), 'bank'); // 面板中的“存入题库”先让用户明确选择目标题库，避免把题目直接写入 // 上一次使用的题库；也可以在此一步新建题库后立即存入。 const saveBankModal = document.createElement('div'); saveBankModal.id = 'xxt-save-bank-modal'; saveBankModal.innerHTML = ` `; document.body.appendChild(saveBankModal); enableXxtDragging(saveBankModal.querySelector('.xxt-save-bank-box'), saveBankModal.querySelector('.xxt-modal-header'), 'saveBank'); const saveBankForm = saveBankModal.querySelector('#xxt-save-bank-form'); const saveBankSummary = saveBankModal.querySelector('#xxt-save-bank-summary'); const saveBankSelect = saveBankModal.querySelector('#xxt-save-bank-select'); const saveBankExisting = saveBankModal.querySelector('#xxt-save-bank-existing'); const saveBankNew = saveBankModal.querySelector('#xxt-save-bank-new'); const saveBankNameInput = saveBankModal.querySelector('#xxt-save-bank-name'); const saveBankHint = saveBankModal.querySelector('#xxt-save-bank-hint'); const saveBankConfirm = saveBankModal.querySelector('#xxt-save-bank-confirm'); const saveBankModeButtons = Array.from(saveBankModal.querySelectorAll('[data-save-bank-mode]')); const bankSelect = bankModal.querySelector('#xxt-bank-select'); const bankInfo = bankModal.querySelector('#xxt-bank-info'); const bankList = bankModal.querySelector('#xxt-bank-list'); const bankSearchInput = bankModal.querySelector('#xxt-bank-search-input'); const bankCompareStatus = bankModal.querySelector('#xxt-bank-compare-status'); const BANK_PAGE_SIZE = 20; let bankSearchText = ''; let bankCurrentPage = 1; let saveBankMode = 'existing'; const bankTypeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题' }; function downloadQuestionBankFile(blob, filename) { const url = URL.createObjectURL(blob); const anchor = document.createElement('a'); anchor.href = url; anchor.download = String(filename || '学习通题库').replace(/[\\/:*?"<>|]/g, '_'); document.body.appendChild(anchor); anchor.click(); anchor.remove(); setTimeout(() => URL.revokeObjectURL(url), 1000); } async function exportActiveQuestionBank(format, button) { const bank = getActiveQuestionBank(); if (!bank || !bankQuestionCount(bank)) { showStatus(els, '当前题库为空，暂无可导出的题目', 'warn'); return; } const originalText = button.textContent; const startedAt = Date.now(); let progressTimer = null; button.disabled = true; button.textContent = format === 'pdf' ? '生成中...' : '导出中...'; try { const data = buildExtractedDataFromBank(bank); const isBankImport = format === 'word' && !!(els.chkBankImport && els.chkBankImport.checked); const withAnswers = !!data.hasCorrectAnswer && !!(els.chkAnswers && els.chkAnswers.checked); const doShuffle = !isBankImport && !!(els.chkShuffle && els.chkShuffle.checked); const activeResults = doShuffle ? shuffleQuestions(data.results, data.typeOrder) : data.results; const baseFilename = String(bank.name || '学习通题库').replace(/[\\/:*?"<>|]/g, '_').substring(0, 60) || '学习通题库'; if (format === 'pdf') { await generatePdf(activeResults, data.typeOrder, data.title, withAnswers, false, `${baseFilename}.pdf`); addToHistory(data, 'pdf', withAnswers, false, doShuffle, false, ''); showStatus(els, '题库 PDF 已下载', 'ok'); return; } if (format === 'word') { window.__xxt_failed_image_count = 0; // 题库和当前页统一导出原生 .docx，计时只反映真实的 DOCX 打包过程。 button.textContent = '生成 Word（' + data.total + ' 题）...'; progressTimer = setInterval(() => { const seconds = Math.max(1, Math.floor((Date.now() - startedAt) / 1000)); button.textContent = '生成 Word（' + data.total + ' 题，' + seconds + 's）...'; }, 1000); const blob = await generateWordBlob( activeResults, data.typeOrder, data.title, isBankImport || withAnswers, false, isBankImport ); if (!(blob instanceof Blob) || blob.size < 100) throw new Error('Word 文档生成结果无效，请重试'); downloadQuestionBankFile(blob, `${baseFilename}.docx`); const failedImages = window.__xxt_failed_image_count || 0; addToHistory(data, 'word', isBankImport || withAnswers, false, doShuffle, isBankImport, ''); showStatus(els, '题库 Word 已下载（' + data.total + ' 题，.docx）' + (failedImages ? '；' + failedImages + ' 张图片加载失败' : ''), failedImages ? 'warn' : 'ok'); return; } const isMarkdown = format === 'md'; const text = withAnswers ? (isMarkdown ? formatOutputWithAnswersMD(activeResults, data.typeOrder) : formatOutputWithAnswers(activeResults, data.typeOrder)) : (isMarkdown ? formatOutputMD(activeResults, data.typeOrder) : formatOutput(activeResults, data.typeOrder)); downloadQuestionBankFile( new Blob([text], { type: isMarkdown ? 'text/markdown;charset=utf-8' : 'text/plain;charset=utf-8' }), `${baseFilename}.${isMarkdown ? 'md' : 'txt'}` ); addToHistory(data, format, withAnswers, false, doShuffle, false, text); showStatus(els, `题库 ${isMarkdown ? 'MD' : 'TXT'} 已下载`, 'ok'); } catch (error) { showStatus(els, `题库导出失败：${error && error.message ? error.message : error}`, 'err'); } finally { if (progressTimer) clearInterval(progressTimer); button.disabled = false; button.textContent = originalText; } } function isSupportedQuestionBankImport(raw) { if (Array.isArray(raw)) return true; if (!raw || typeof raw !== 'object') return false; if (raw.bank || Array.isArray(raw.banks) || Array.isArray(raw.questions) || Array.isArray(raw.results) || Array.isArray(raw.items)) return true; return Object.values(raw).some(value => Array.isArray(value)); } function uniqueImportedBankName(state, requestedName) { const base = String(requestedName || '导入题库').trim().substring(0, 80) || '导入题库'; if (!state.banks.some(bank => bank.name === base)) return base; let suffix = 2; while (suffix < 10000) { const postfix = `（${suffix++}）`; const candidate = `${base.substring(0, Math.max(1, 80 - postfix.length))}${postfix}`; if (!state.banks.some(bank => bank.name === candidate)) return candidate; } return `导入题库-${Date.now()}`; } function normalizeBankComparableText(value) { return String(value || '') .replace(/^\s*\d+\s*[.、．]\s*/, '') .replace(/[（(\[【]\s*(?:单选|多选|判断|填空|简答|名词解释|论述|计算|配伍|案例|问答)\s*题?\s*[）)\]】]\s*/gi, '') .replace(/[\s\p{P}\p{S}]/gu, '') .toLowerCase() // 限制比较长度，避免“50 道页面题 × 数千道题库题”触发巨量矩阵计算。 .slice(0, 360); } function bankBigramSimilarity(left, right) { const counts = new Map(); for (let i = 0; i < left.length - 1; i++) { const gram = left.slice(i, i + 2); counts.set(gram, (counts.get(gram) || 0) + 1); } let intersection = 0; for (let i = 0; i < right.length - 1; i++) { const gram = right.slice(i, i + 2); if (counts.get(gram)) { intersection++; counts.set(gram, counts.get(gram) - 1); } } const total = Math.max(1, left.length + right.length - 2 - intersection); return intersection / total; } function bankSimilarityText(a, b) { const left = normalizeBankComparableText(a); const right = normalizeBankComparableText(b); if (!left && !right) return 1; if (!left || !right) return 0; if (left === right) return 1; const maxLength = Math.max(left.length, right.length); const bigramScore = bankBigramSimilarity(left, right); const containedScore = left.includes(right) || right.includes(left) ? Math.min(left.length, right.length) / maxLength * .2 : 0; // 低相似候选直接返回快速分数；大题库对比时绝大部分题目都会在这里结束。 if (bigramScore < .12 && !containedScore) return bigramScore * .55; const previous = Array.from({ length: right.length + 1 }, (_, index) => index); const current = new Array(right.length + 1); for (let i = 1; i <= left.length; i++) { current[0] = i; for (let j = 1; j <= right.length; j++) { const cost = left[i - 1] === right[j - 1] ? 0 : 1; current[j] = Math.min(previous[j] + 1, current[j - 1] + 1, previous[j - 1] + cost); } for (let j = 0; j <= right.length; j++) previous[j] = current[j]; } const levenshteinScore = 1 - previous[right.length] / maxLength; return Math.min(1, levenshteinScore * .72 + bigramScore * .28 + containedScore); } function questionSimilarity(type, pageQuestion, bankQuestion) { const stemScore = bankSimilarityText(richTextOnly(questionContent(pageQuestion)), richTextOnly(questionContent(bankQuestion))); if (stemScore < .6) return stemScore * .8; const pageOptions = (pageQuestion.options || []).map(option => richTextOnly(optionContent(option))).join('|'); const bankOptions = (bankQuestion.options || []).map(option => richTextOnly(optionContent(option))).join('|'); const optionScore = pageOptions || bankOptions ? bankSimilarityText(pageOptions, bankOptions) : 1; return stemScore * .8 + optionScore * .2; } function renderBankSelector() { const state = loadQuestionBankState(true); const active = state.banks.find(bank => bank.id === state.activeBankId) || state.banks[0]; bankSelect.innerHTML = state.banks.map(bank => ``).join(''); const count = active ? bankQuestionCount(active) : 0; bankInfo.textContent = active ? `当前题库：${active.name} · ${count} 道题 · ${state.banks.length} 个题库 · 更新时间 ${new Date(active.updatedAt).toLocaleString('zh-CN')}` : '暂无题库'; } function bankContentDisplayText(content, fallback = '') { const source = hasRichContent(content) ? content : []; const text = richContentToText(source, (url, part) => { const alt = String((part && part.alt) || '').replace(/\s+/g, ' ').trim(); return '\n[图片' + (alt ? '：' + alt : '') + ']\n'; }).replace(/\n{3,}/g, '\n\n').trim(); return text || String(fallback || '').trim(); } function bankTextToHtml(value, emptyText = '') { const text = String(value || '').trim(); return text ? escapeHtml(text).replace(/\r\n?|\n/g, '
') : '' + escapeHtml(emptyText) + ''; } function renderBankQuestionCard(type, question, index) { const options = Array.isArray(question.options) ? question.options : []; const stem = bankContentDisplayText(questionContent(question), question.stem); const answer = bankContentDisplayText(answerContent(question), question.correctAnswer); const optionRows = options.map((option, optionIndex) => { const letter = String(option && option.letter || String.fromCharCode(65 + optionIndex)).trim().toUpperCase() || String.fromCharCode(65 + optionIndex); const text = bankContentDisplayText(optionContent(option || {}), option && option.text); return '

' + escapeHtml(letter) + '.' + bankTextToHtml(text, '选项内容为空') + '

'; }).join(''); const optionBlock = options.length ? '

选项

' + optionRows + '

' : '

本题没有可选项

'; const meta = options.length ? options.length + ' 个选项' : '无选项'; return '

' + '

第 ' + (index + 1) + ' 题' + meta + '

' + '

' + bankTextToHtml(stem, '题干内容为空') + '

' + optionBlock + '

答案' + bankTextToHtml(answer, '未提取到答案') + '

' + '

'; } function renderBankList() { const active = getActiveQuestionBank(); if (!active) { bankList.innerHTML = '

暂无题库

'; return; } const query = bankSearchText.trim().toLowerCase(); const rows = []; const matchedTypeCounts = Object.fromEntries(QUESTION_BANK_TYPES.map(type => [type, 0])); QUESTION_BANK_TYPES.forEach(type => { (active.results[type] || []).forEach((question, index) => { const searchable = [richTextOnly(questionContent(question)), ...(question.options || []).map(option => richTextOnly(optionContent(option))), richTextOnly(answerContent(question))].join(' ').toLowerCase(); if (query && !searchable.includes(query)) return; matchedTypeCounts[type]++; rows.push({ type, question, index }); }); }); if (!rows.length) { bankList.innerHTML = '

当前题库暂无匹配题目

'; return; } const totalPages = Math.max(1, Math.ceil(rows.length / BANK_PAGE_SIZE)); bankCurrentPage = Math.max(1, Math.min(totalPages, bankCurrentPage)); const start = (bankCurrentPage - 1) * BANK_PAGE_SIZE; const pageRows = rows.slice(start, start + BANK_PAGE_SIZE); const groups = QUESTION_BANK_TYPES.map(type => { const typeRows = pageRows.filter(row => row.type === type); if (!typeRows.length) return ''; const total = matchedTypeCounts[type]; const totalLabel = (query ? '匹配 ' : '共 ') + total + ' 题'; const countLabel = typeRows.length === total ? totalLabel : '本页 ' + typeRows.length + ' / ' + totalLabel; return '

' + escapeHtml(bankTypeLabels[type] || type) + '' + countLabel + '

' + typeRows.map(row => renderBankQuestionCard(row.type, row.question, row.index)).join('') + '

'; }).join(''); const pagination = totalPages > 1 ? '

第 ' + bankCurrentPage + ' / ' + totalPages + ' 页 · ' + rows.length + ' 题

' : '

共 ' + rows.length + ' 题

'; bankList.innerHTML = groups + pagination; } function refreshBankModal(resetPage = false) { if (resetPage) bankCurrentPage = 1; renderBankSelector(); renderBankList(); } function getCurrentExtractedQuestionCount() { return Object.values((extractedData && extractedData.results) || {}).reduce((sum, list) => sum + (Array.isArray(list) ? list.length : 0), 0); } function updateSaveBankHint() { const isNew = saveBankMode === 'new'; saveBankExisting.classList.toggle('xxt-hidden', isNew); saveBankNew.classList.toggle('xxt-hidden', !isNew); saveBankModeButtons.forEach(button => button.classList.toggle('active', button.dataset.saveBankMode === saveBankMode)); saveBankConfirm.textContent = isNew ? '新建并存入' : '确认存入'; if (!isNew) { const option = saveBankSelect.options[saveBankSelect.selectedIndex]; const name = option ? option.textContent.replace(/（\d+题）$/, '') : ''; saveBankConfirm.disabled = !saveBankSelect.value; saveBankHint.textContent = name ? `将保存到“${name}”。重复题目会自动跳过，已有题目的缺失答案会自动补齐。` : '请先选择一个目标题库。'; return; } const name = saveBankNameInput.value.trim().substring(0, 80); const state = loadQuestionBankState(); const duplicated = !!name && state.banks.some(bank => bank.name === name); saveBankConfirm.disabled = !name || duplicated; saveBankHint.textContent = !name ? '请输入新题库名称。' : duplicated ? `“${name}”已存在；请改用已有题库，或输入其他名称。` : `将先新建“${name}”，再把当前页面题目存入其中。`; } function setSaveBankMode(mode, focus = false) { saveBankMode = mode === 'new' ? 'new' : 'existing'; updateSaveBankHint(); if (focus) setTimeout(() => (saveBankMode === 'new' ? saveBankNameInput : saveBankSelect).focus(), 0); } function refreshSaveBankDialog() { const state = loadQuestionBankState(true); const active = state.banks.find(bank => bank.id === state.activeBankId) || state.banks[0]; saveBankSelect.innerHTML = state.banks.map(bank => `` ).join(''); if (active) saveBankSelect.value = active.id; const suggestedName = String((extractedData && extractedData.title) || '').replace(/\s+/g, ' ').trim().substring(0, 80); saveBankNameInput.value = suggestedName || `题库${state.banks.length + 1}`; saveBankSummary.textContent = `当前将存入 ${getSelectedQuestionCount()} / ${getCurrentExtractedQuestionCount()} 道题。请选择目标题库，或新建题库后再存入。`; setSaveBankMode('existing'); } function openSaveCurrentToBankDialog() { if (!extractedData || !hasQuestions(extractedData)) { showStatus(els, '请先提取题目，再存入题库', 'warn'); return; } if (getSelectedQuestionCount() === 0) { showStatus(els, '当前没有勾选题目，请先在“查看、编辑 / 选择题目”中选择', 'warn'); return; } refreshSaveBankDialog(); saveBankModal.classList.add('open'); setTimeout(() => saveBankSelect.focus(), 0); } function saveCurrentToBank(targetBankId = '', newBankName = '') { if (!extractedData || !hasQuestions(extractedData)) { showStatus(els, '请先提取题目，再存入题库', 'warn'); return null; } const sourceData = getSelectedExtractedData(); if (!sourceData || !hasQuestions(sourceData)) { showStatus(els, '当前没有勾选题目，请至少选择 1 道题', 'warn'); return null; } const state = loadQuestionBankState(); const name = String(newBankName || '').trim().substring(0, 80); let active = null; let created = false; if (name) { if (state.banks.some(bank => bank.name === name)) { showStatus(els, `题库“${name}”已存在，请选择该题库或换一个名称`, 'warn'); return null; } active = makeEmptyQuestionBank(name); state.banks.push(active); created = true; } else { active = state.banks.find(bank => bank.id === (targetBankId || state.activeBankId)); } if (!active) { showStatus(els, '请先新建或选择题库', 'warn'); return null; } try { const result = mergeExtractedDataIntoBank(active, sourceData); state.banks = state.banks.map(bank => bank.id === active.id ? result.bank : bank); state.activeBankId = active.id; saveQuestionBankState(state); refreshBankModal(); const summary = `新增 ${result.added} 题，跳过 ${result.skipped} 题${result.answersFilled ? `，补齐 ${result.answersFilled} 个答案` : ''}`; showStatus(els, created ? `已新建题库“${active.name}”并存入：${summary}` : `已存入“${active.name}”：${summary}`, 'ok'); return { bank: result.bank, result, created }; } catch (error) { showStatus(els, `题库存储失败：${error.message}`, 'err'); return null; } } function loadBankIntoPanel(bankOrData) { if (!bankOrData) return; extractedData = bankOrData.results ? (bankOrData.title ? refreshExtractedOutputCache(bankOrData) : buildExtractedDataFromBank(bankOrData)) : buildExtractedDataFromBank(bankOrData); resetExportQuestionSelection(); renderStats(els); updateFilename(els); els.result.classList.remove('xxt-hidden'); syncExtractionOptionState(extractedData); els.btnExtract.textContent = '重新提取'; bankModal.classList.remove('open'); showStatus(els, `已载入题库“${bankOrData.name || extractedData.title}”，共 ${extractedData.total} 道题`, 'ok'); } function openBankEditor(bank, type, index) { if (!bank) return; const isSingleQuestion = QUESTION_BANK_TYPES.includes(type) && Number.isInteger(index) && bank.results[type] && bank.results[type][index]; const data = isSingleQuestion ? createExtractedDataFromResults({ [type]: [bank.results[type][index]] }, [type], `${bank.name}-${type}`) : buildExtractedDataFromBank(bank); const session = isSingleQuestion ? { kind: 'bankQuestion', bankId: bank.id, bankName: bank.name, type, index } : { kind: 'bank', bankId: bank.id, bankName: bank.name }; bankModal.classList.remove('open'); renderEditor(data, session); editorModal.classList.add('open'); } function compareCurrentPageWithBank() { if (!extractedData || !hasQuestions(extractedData)) { bankCompareStatus.textContent = '请先在当前页面提取题目。'; return; } const active = getActiveQuestionBank(); if (!active || !bankQuestionCount(active)) { bankCompareStatus.textContent = '当前题库为空，请先存入或导入题目。'; return; } const thresholdInput = bankModal.querySelector('#xxt-bank-threshold'); const thresholdValue = Math.max(50, Math.min(100, Number(thresholdInput.value) || currentSettings.bankThreshold)); thresholdInput.value = thresholdValue; currentSettings.bankThreshold = thresholdValue; saveSettings(currentSettings); const threshold = thresholdValue / 100; const bankQuestions = QUESTION_BANK_TYPES.flatMap(type => (active.results[type] || []).map(question => ({ type, question }))); const pageQuestionCount = Object.values(extractedData.results).reduce((sum, list) => sum + list.length, 0); const lines = [`当前页 ${pageQuestionCount} 题 · 题库 ${bankQuestions.length} 题 · 阈值 ${(threshold * 100).toFixed(0)}%`]; let matched = 0; QUESTION_BANK_TYPES.forEach(type => (extractedData.results[type] || []).forEach((question, index) => { const candidates = bankQuestions.filter(item => item.type === type); let best = { score: 0, question: null }; candidates.forEach(item => { const score = questionSimilarity(type, question, item.question); if (score > best.score) best = { score, question: item.question }; }); if (best.score >= threshold) { matched++; lines.push(`✓ ${type}第${index + 1}题 ${(best.score * 100).toFixed(1)}%：${richTextOnly(questionContent(question)).substring(0, 70)}`); } else { const candidate = best.question ? ` · 最佳候选 ${(best.score * 100).toFixed(1)}%：${richTextOnly(questionContent(best.question)).substring(0, 45)}` : ''; lines.push(`✗ ${type}第${index + 1}题未匹配：${richTextOnly(questionContent(question)).substring(0, 70)}${candidate}`); } })); lines.unshift(`匹配 ${matched} 题，未匹配 ${Math.max(0, pageQuestionCount - matched)} 题`); bankCompareStatus.textContent = lines.join('\n'); } bankModal.querySelector('#xxt-bank-select').addEventListener('change', event => { try { setActiveQuestionBank(event.target.value); refreshBankModal(true); } catch (error) { showStatus(els, `切换题库失败：${error.message}`, 'err'); refreshBankModal(true); } }); bankModal.querySelector('#xxt-bank-new').addEventListener('click', () => { const name = prompt('请输入题库名称：', `题库${loadQuestionBankState().banks.length + 1}`); if (!name || !name.trim()) return; const state = loadQuestionBankState(); if (state.banks.some(bank => bank.name === name.trim())) { showStatus(els, '已存在同名题库', 'warn'); return; } const bank = makeEmptyQuestionBank(name.trim()); state.banks.push(bank); state.activeBankId = bank.id; try { saveQuestionBankState(state); refreshBankModal(); } catch (error) { showStatus(els, `新建失败：${error.message}`, 'err'); } }); bankModal.querySelector('#xxt-bank-rename').addEventListener('click', () => { const bank = getActiveQuestionBank(); if (!bank) return; const name = prompt('请输入新的题库名称：', bank.name); if (!name || !name.trim() || name.trim() === bank.name) return; const state = loadQuestionBankState(); if (state.banks.some(item => item.id !== bank.id && item.name === name.trim())) { showStatus(els, '已存在同名题库', 'warn'); return; } bank.name = name.trim().substring(0, 80); bank.updatedAt = new Date().toISOString(); try { saveQuestionBankState(state); refreshBankModal(); } catch (error) { showStatus(els, `改名失败：${error.message}`, 'err'); } }); bankModal.querySelector('#xxt-bank-delete').addEventListener('click', () => { const state = loadQuestionBankState(); const bank = getActiveQuestionBank(); if (!bank) return; if (state.banks.length <= 1) { showStatus(els, '至少保留一个题库；可以清空题库内容', 'warn'); return; } if (!confirm(`确定删除“${bank.name}”及其中的 ${bankQuestionCount(bank)} 道题吗？`)) return; state.banks = state.banks.filter(item => item.id !== bank.id); state.activeBankId = state.banks[0].id; try { saveQuestionBankState(state); refreshBankModal(); } catch (error) { showStatus(els, `删除失败：${error.message}`, 'err'); } }); bankModal.querySelector('#xxt-bank-load').addEventListener('click', () => loadBankIntoPanel(getActiveQuestionBank())); bankModal.querySelector('#xxt-bank-save-current').addEventListener('click', () => saveCurrentToBank()); bankModal.querySelector('#xxt-bank-add-question').addEventListener('click', () => { const bank = getActiveQuestionBank(); if (!bank) return; const rawType = prompt('题型（单选、多选、填空、判断、简答）：', '单选'); if (rawType === null) return; const type = QUESTION_BANK_TYPES.includes(rawType.trim()) ? rawType.trim() : detectTypeFromText(rawType); if (!type || !QUESTION_BANK_TYPES.includes(type)) { showStatus(els, '题型无效，请输入：单选、多选、填空、判断或简答', 'warn'); return; } const blankQuestion = { stem: '', stemContent: [], options: [], correctAnswer: '', correctAnswerContent: [], myAnswer: '', isWrong: false }; bankModal.classList.remove('open'); renderEditor(createExtractedDataFromResults({ [type]: [blankQuestion] }, [type], `${bank.name}-${type}`), { kind: 'bankNewQuestion', bankId: bank.id, bankName: bank.name, type }); editorModal.classList.add('open'); }); bankModal.querySelector('#xxt-bank-export-word').addEventListener('click', event => exportActiveQuestionBank('word', event.currentTarget)); bankModal.querySelector('#xxt-bank-export-txt').addEventListener('click', event => exportActiveQuestionBank('txt', event.currentTarget)); bankModal.querySelector('#xxt-bank-export-md').addEventListener('click', event => exportActiveQuestionBank('md', event.currentTarget)); bankModal.querySelector('#xxt-bank-export-pdf').addEventListener('click', event => exportActiveQuestionBank('pdf', event.currentTarget)); bankModal.querySelector('#xxt-bank-clear').addEventListener('click', () => { const state = loadQuestionBankState(); const bank = getActiveQuestionBank(); if (!bank) return; const count = bankQuestionCount(bank); if (!count) { showStatus(els, '当前题库已经为空', 'warn'); return; } if (!confirm(`确定清空“${bank.name}”中的 ${count} 道题吗？题库名称会保留。`)) return; bank.results = Object.fromEntries(QUESTION_BANK_TYPES.map(type => [type, []])); bank.typeOrder = []; bank.updatedAt = new Date().toISOString(); try { saveQuestionBankState(state); refreshBankModal(); showStatus(els, `已清空“${bank.name}”`, 'ok'); } catch (error) { showStatus(els, `清空失败：${error.message}`, 'err'); } }); bankModal.querySelector('#xxt-bank-import').addEventListener('click', () => bankModal.querySelector('#xxt-bank-file').click()); bankModal.querySelector('#xxt-bank-file').addEventListener('change', event => { const file = event.target.files && event.target.files[0]; event.target.value = ''; if (!file) return; if (file.size > QUESTION_BANK_MAX_BYTES) { showStatus(els, '导入文件超过 8MB，已拒绝', 'err'); return; } const reader = new FileReader(); reader.onload = () => { try { const parsed = JSON.parse(String(reader.result || '')); if (!isSupportedQuestionBankImport(parsed)) throw new Error('不支持的题库结构；请选择本脚本备份、参考脚本题库或 OCS JSON'); const imported = normalizeQuestionBankState(parsed); const importCount = imported.banks.reduce((sum, bank) => sum + bankQuestionCount(bank), 0); if (!importCount) throw new Error('文件中没有识别到有效题目，未导入空题库'); const state = loadQuestionBankState(); imported.banks.forEach(bank => { bank.name = uniqueImportedBankName(state, bank.name); bank.id = `bank-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`; bank.updatedAt = new Date().toISOString(); state.banks.push(bank); }); state.activeBankId = imported.banks[0] ? imported.banks[0].id : state.activeBankId; saveQuestionBankState(state); refreshBankModal(); showStatus(els, `导入成功：${imported.banks.length} 个题库，共 ${importCount} 道题`, 'ok'); } catch (error) { showStatus(els, `导入失败：${error.message || 'JSON 格式无效'}`, 'err'); } }; reader.onerror = () => showStatus(els, '导入失败：浏览器无法读取该文件', 'err'); reader.readAsText(file, 'utf-8'); }); bankSearchInput.addEventListener('input', () => { bankSearchText = bankSearchInput.value; bankCurrentPage = 1; renderBankList(); }); bankModal.querySelector('#xxt-bank-search-btn').addEventListener('click', () => { bankSearchText = bankSearchInput.value; bankCurrentPage = 1; renderBankList(); }); bankModal.querySelector('#xxt-bank-compare-btn').addEventListener('click', compareCurrentPageWithBank); bankList.addEventListener('click', event => { const pageAction = event.target.closest('[data-bank-page]'); if (pageAction && !pageAction.disabled) { bankCurrentPage += pageAction.dataset.bankPage === 'next' ? 1 : -1; renderBankList(); return; } const card = event.target.closest('.xxt-bank-card'); const action = event.target.closest('[data-bank-action]'); if (!card || !action) return; const bank = getActiveQuestionBank(); const type = card.dataset.bankType; const index = Number(card.dataset.bankIndex); const question = bank && bank.results[type] && bank.results[type][index]; if (!question) return; if (action.dataset.bankAction === 'edit') { openBankEditor(bank, type, index); return; } if (action.dataset.bankAction === 'load') { loadBankIntoPanel(createExtractedDataFromResults({ [type]: [question] }, [type], `${bank.name}-${type}`)); return; } if (action.dataset.bankAction === 'delete') { if (!confirm('确定删除这道题吗？')) return; bank.results[type].splice(index, 1); bank.typeOrder = QUESTION_BANK_TYPES.filter(item => bank.results[item].length); bank.updatedAt = new Date().toISOString(); const state = loadQuestionBankState(); state.banks = state.banks.map(item => item.id === bank.id ? bank : item); try { saveQuestionBankState(state); refreshBankModal(); } catch (error) { showStatus(els, `删除失败：${error.message}`, 'err'); } } }); saveBankModeButtons.forEach(button => button.addEventListener('click', () => setSaveBankMode(button.dataset.saveBankMode, true))); saveBankSelect.addEventListener('change', updateSaveBankHint); saveBankNameInput.addEventListener('input', updateSaveBankHint); saveBankForm.addEventListener('submit', event => { event.preventDefault(); const newBankName = saveBankMode === 'new' ? saveBankNameInput.value.trim() : ''; if (saveBankMode === 'new' && !newBankName) { updateSaveBankHint(); saveBankNameInput.focus(); return; } const saved = saveCurrentToBank(saveBankMode === 'existing' ? saveBankSelect.value : '', newBankName); if (saved) saveBankModal.classList.remove('open'); }); saveBankModal.querySelector('#xxt-save-bank-close').addEventListener('click', () => saveBankModal.classList.remove('open')); saveBankModal.querySelector('#xxt-save-bank-cancel').addEventListener('click', () => saveBankModal.classList.remove('open')); saveBankModal.addEventListener('click', event => { if (event.target === saveBankModal) saveBankModal.classList.remove('open'); }); document.addEventListener('keydown', event => { if (event.key === 'Escape' && saveBankModal.classList.contains('open')) saveBankModal.classList.remove('open'); }, { signal: uiEventController.signal }); els.bankBtn.addEventListener('click', () => { refreshBankModal(true); bankModal.classList.add('open'); }); els.btnSaveToBank.addEventListener('click', openSaveCurrentToBankDialog); bankModal.querySelector('#xxt-bank-close').addEventListener('click', () => bankModal.classList.remove('open')); bankModal.addEventListener('click', event => { if (event.target === bankModal) bankModal.classList.remove('open'); }); document.addEventListener('keydown', event => { if (event.key === 'Escape' && bankModal.classList.contains('open')) bankModal.classList.remove('open'); }, { signal: uiEventController.signal }); // ==================== 在线查看/编辑题目 ==================== const editorModal = document.createElement('div'); editorModal.id = 'xxt-editor-modal'; editorModal.innerHTML = `

可修改题干、选项和正确答案；勾选题目后，下载、复制和存入题库只使用所选题目。图片以〔图片1〕形式保留。

`; document.body.appendChild(editorModal); enableXxtDragging(editorModal.querySelector('.xxt-editor-box'), editorModal.querySelector('.xxt-modal-header'), 'editor'); const editorList = editorModal.querySelector('#xxt-editor-list'); const editorClose = editorModal.querySelector('#xxt-editor-close'); const editorCancel = editorModal.querySelector('#xxt-editor-cancel'); const editorSave = editorModal.querySelector('#xxt-editor-save'); let editorDraft = null; let editorSession = { kind: 'extracted' }; const editorTypeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题' }; editorList.addEventListener('change', event => { if (event.target && event.target.classList.contains('xxt-editor-select')) updateEditorSelectionUI(); }); function makeEditorField(labelText, tagName, className, value) { const wrap = document.createElement('div'); const label = document.createElement('label'); label.className = 'xxt-editor-label'; label.textContent = labelText; const field = document.createElement(tagName); field.className = className; field.value = value || ''; wrap.append(label, field); return { wrap, field }; } function appendEditorOption(container, letter, value, sourceIndex = -1) { const row = document.createElement('div'); row.className = 'xxt-editor-option'; row.dataset.letter = letter; row.dataset.sourceIndex = String(sourceIndex); const letterEl = document.createElement('span'); letterEl.className = 'xxt-editor-letter'; letterEl.textContent = `${letter}.`; const input = document.createElement('textarea'); input.className = 'xxt-editor-option-input'; input.value = value || ''; input.rows = 1; const remove = document.createElement('button'); remove.className = 'xxt-editor-remove'; remove.type = 'button'; remove.title = '删除选项'; remove.textContent = '×'; remove.addEventListener('click', () => { row.remove(); Array.from(container.querySelectorAll('.xxt-editor-option')).forEach((item, i) => { const next = String.fromCharCode(65 + i); item.dataset.letter = next; item.querySelector('.xxt-editor-letter').textContent = `${next}.`; }); }); row.append(letterEl, input, remove); container.appendChild(row); } function isEditorQuestionSelected(type, question) { return selectedExportQuestionKeys === null || selectedExportQuestionKeys.has(exportQuestionKey(type, question)); } function updateEditorSelectionUI() { const toolbar = editorModal.querySelector('#xxt-editor-selection-toolbar'); if (!toolbar) return; const checkboxes = Array.from(editorList.querySelectorAll('.xxt-editor-select')); const selected = checkboxes.filter(input => input.checked).length; const countEl = toolbar.querySelector('.xxt-editor-selection-count'); if (countEl) countEl.textContent = `已选 ${selected} / ${checkboxes.length} 题`; editorList.querySelectorAll('.xxt-editor-card').forEach(card => { const checkbox = card.querySelector('.xxt-editor-select'); card.classList.toggle('xxt-editor-unselected', !!checkbox && !checkbox.checked); }); } function renderEditor(data, session = { kind: 'extracted' }) { editorList.innerHTML = ''; const previousToolbar = editorModal.querySelector('#xxt-editor-selection-toolbar'); if (previousToolbar) previousToolbar.remove(); editorSession = { ...session }; if (!data || (!hasQuestions(data) && session.kind !== 'bankNewQuestion')) { editorList.textContent = '暂无题目，请先提取题目。'; return; } // 编辑使用副本，点击取消不会改变当前导出结果。 const rawDraft = JSON.parse(JSON.stringify((data && data.results) || {})); editorDraft = Object.fromEntries(QUESTION_BANK_TYPES.map(type => [ type, Array.isArray(rawDraft[type]) ? rawDraft[type].filter(Boolean) : [] ])); const typeOrder = (data.typeOrder || QUESTION_BANK_TYPES).filter(type => editorDraft[type] && editorDraft[type].length); if (session.kind === 'extracted') { const toolbar = document.createElement('div'); toolbar.id = 'xxt-editor-selection-toolbar'; toolbar.className = 'xxt-editor-selection-toolbar'; toolbar.innerHTML = ''; toolbar.addEventListener('click', event => { const action = event.target && event.target.dataset && event.target.dataset.editorSelectAction; if (!action) return; const checkboxes = Array.from(editorList.querySelectorAll('.xxt-editor-select')); checkboxes.forEach(input => { const card = input.closest('.xxt-editor-card'); if (action === 'all') input.checked = true; else if (action === 'none') input.checked = false; else input.checked = card && card.dataset.isWrong === 'true'; }); updateEditorSelectionUI(); }); // 直接相对题目列表插入，避免页面重绘后 parentElement 与引用节点不一致。 editorList.before(toolbar); } typeOrder.forEach(qtype => { const questions = editorDraft[qtype] || []; if (!questions.length) return; const typeTitle = document.createElement('div'); typeTitle.className = 'xxt-editor-type'; typeTitle.textContent = `${editorTypeLabels[qtype] || qtype}（${questions.length}题）`; editorList.appendChild(typeTitle); questions.forEach((q, qIndex) => { const card = document.createElement('div'); card.className = 'xxt-editor-card'; card.dataset.qtype = qtype; card.dataset.qindex = qIndex; card.dataset.isWrong = q.isWrong ? 'true' : 'false'; const titleRow = document.createElement('div'); titleRow.style.cssText = 'display:flex;align-items:center;justify-content:space-between;gap:8px;'; const title = document.createElement('div'); title.className = 'xxt-editor-label'; title.textContent = `第 ${qIndex + 1} 题`; titleRow.appendChild(title); if (session.kind === 'extracted') { const select = document.createElement('input'); select.type = 'checkbox'; select.className = 'xxt-editor-select'; select.title = '勾选后才会用于导出、复制和存入题库'; select.checked = isEditorQuestionSelected(qtype, q); titleRow.insertBefore(select, title); } const removeQuestion = document.createElement('button'); removeQuestion.type = 'button'; removeQuestion.className = 'xxt-editor-remove'; removeQuestion.title = '删除整道题'; removeQuestion.textContent = '删除本题'; removeQuestion.addEventListener('click', () => card.remove()); titleRow.appendChild(removeQuestion); card.appendChild(titleRow); const stemField = makeEditorField('题干', 'textarea', 'xxt-editor-stem', richContentToEditableText(questionContent(q))); stemField.field.rows = 2; card.appendChild(stemField.wrap); if (questionContent(q).some(part => part.type === 'image')) { const hint = document.createElement('div'); hint.className = 'xxt-editor-note'; hint.textContent = '题干含图片；请保留〔图片1〕等占位符，否则对应图片不会出现在导出文件中。'; card.appendChild(hint); } const optionContainer = document.createElement('div'); optionContainer.className = 'xxt-editor-options'; (q.options || []).forEach((opt, i) => appendEditorOption(optionContainer, opt.letter || String.fromCharCode(65 + i), richContentToEditableText(optionContent(opt)), i)); card.appendChild(optionContainer); if (qtype === '单选' || qtype === '多选') { const add = document.createElement('button'); add.type = 'button'; add.className = 'xxt-editor-add'; add.textContent = '+ 添加选项'; add.addEventListener('click', () => { const count = optionContainer.querySelectorAll('.xxt-editor-option').length; if (count < 8) appendEditorOption(optionContainer, String.fromCharCode(65 + count), ''); }); card.appendChild(add); } const answerField = makeEditorField('正确答案（可留空）', 'textarea', 'xxt-editor-answer', richContentToEditableText(answerContent(q))); answerField.field.rows = 1; card.appendChild(answerField.wrap); editorList.appendChild(card); }); }); updateEditorSelectionUI(); } function saveEditorChanges() { if (!editorDraft) return; // 从仍存在的卡片重建结果，删除整题后不会把隐藏的旧题再次保存。 const nextResults = Object.fromEntries(QUESTION_BANK_TYPES.map(type => [type, []])); const nextSelectedKeys = new Set(); let selectedCardCount = 0; editorList.querySelectorAll('.xxt-editor-card').forEach(card => { const qtype = card.dataset.qtype; const qIndex = parseInt(card.dataset.qindex, 10); const source = editorDraft[qtype] && editorDraft[qtype][qIndex]; if (!source) return; const q = JSON.parse(JSON.stringify(source)); const oldStem = questionContent(q); const oldAnswer = answerContent(q); const stemInput = card.querySelector('.xxt-editor-stem'); const answerInput = card.querySelector('.xxt-editor-answer'); q.stemContent = editableTextToRichContent(stemInput ? stemInput.value : '', oldStem); q.stem = formatRichForText(q.stemContent); q.options = Array.from(card.querySelectorAll('.xxt-editor-option')).map((row, i) => { const sourceIndex = parseInt(row.dataset.sourceIndex, 10); const old = (q.options || [])[Number.isInteger(sourceIndex) && sourceIndex >= 0 ? sourceIndex : i] || {}; const content = editableTextToRichContent(row.querySelector('textarea')?.value || '', optionContent(old)); return { ...old, letter: row.dataset.letter || String.fromCharCode(65 + i), text: richTextOnly(content), content }; }); q.correctAnswerContent = editableTextToRichContent(answerInput ? answerInput.value : '', oldAnswer); q.correctAnswer = richTextOnly(q.correctAnswerContent); if (QUESTION_BANK_TYPES.includes(qtype)) { nextResults[qtype].push(q); const select = card.querySelector('.xxt-editor-select'); if (editorSession.kind === 'extracted' && select && select.checked) { selectedCardCount++; nextSelectedKeys.add(exportQuestionKey(qtype, q)); } } }); const nextTypeOrder = QUESTION_BANK_TYPES.filter(type => nextResults[type].length); const savedCount = nextTypeOrder.reduce((sum, type) => sum + nextResults[type].length, 0); if (editorSession.kind === 'bank' || editorSession.kind === 'bankQuestion' || editorSession.kind === 'bankNewQuestion') { const state = loadQuestionBankState(); const target = state.banks.find(bank => bank.id === editorSession.bankId); if (!target) { showStatus(els, '目标题库不存在，未保存修改', 'err'); return; } if (editorSession.kind === 'bankQuestion') { const type = editorSession.type; const replacement = (nextResults[type] || [])[0]; if (replacement) target.results[type][editorSession.index] = normalizeBankQuestion(replacement); else target.results[type].splice(editorSession.index, 1); target.typeOrder = QUESTION_BANK_TYPES.filter(item => (target.results[item] || []).length); } else if (editorSession.kind === 'bankNewQuestion') { const type = editorSession.type; const replacement = normalizeBankQuestion((nextResults[type] || [])[0]); if (!replacement) { showStatus(els, '请填写题干后再保存', 'warn'); return; } const identity = bankQuestionIdentity(type, replacement); if ((target.results[type] || []).some(question => bankQuestionIdentity(type, question) === identity)) { showStatus(els, '题库中已存在相同题目，未重复添加', 'warn'); return; } target.results[type].push(replacement); if (!target.typeOrder.includes(type)) target.typeOrder.push(type); } else { target.results = normalizeQuestionBank({ ...target, results: nextResults, typeOrder: nextTypeOrder }).results; target.typeOrder = QUESTION_BANK_TYPES.filter(type => target.results[type].length); } target.updatedAt = new Date().toISOString(); try { saveQuestionBankState(state); refreshBankModal(); showStatus(els, editorSession.kind === 'bankQuestion' ? `已保存题库“${target.name}”的单题修改` : editorSession.kind === 'bankNewQuestion' ? `已向题库“${target.name}”添加 1 道题` : `已保存题库“${target.name}”修改，共 ${savedCount} 道题`, 'ok'); } catch (error) { showStatus(els, `题库存储失败：${error.message}`, 'err'); return; } editorModal.classList.remove('open'); editorDraft = null; editorSession = { kind: 'extracted' }; return; } editorDraft = nextResults; extractedData.results = editorDraft; extractedData.typeOrder = nextTypeOrder; if (editorSession.kind === 'extracted') { selectedExportQuestionKeys = selectedCardCount === savedCount ? null : nextSelectedKeys; } refreshExtractedOutputCache(extractedData); renderStats(els); updateExportSelectionSummary(); updateFilename(els); if (els.chkAnswers) { els.chkAnswers.disabled = !extractedData.hasCorrectAnswer; if (!extractedData.hasCorrectAnswer) els.chkAnswers.checked = false; } const ansToggle = document.getElementById('xxt-ans-toggle'); if (ansToggle) ansToggle.classList.toggle('xxt-disabled', !extractedData.hasCorrectAnswer); const isBankImport = els.chkBankImport && els.chkBankImport.checked; if (extractedData.hasMyAnswer && extractedData.wrongCount > 0 && !isBankImport) { els.wrongToggle.classList.remove('xxt-hidden'); els.wrongHint.textContent = `检测到 ${extractedData.wrongCount} 道错题，可勾选附加到输出末尾`; els.wrongHint.classList.remove('xxt-hidden'); } else { els.wrongToggle.classList.add('xxt-hidden'); els.wrongHint.classList.add('xxt-hidden'); els.chkWrong.checked = false; } showStatus(els, `已保存题目修改，共 ${extractedData.total} 道题`, 'ok'); editorModal.classList.remove('open'); editorDraft = null; } const openExtractedEditor = () => { // 先打开弹窗再渲染，避免某一道异常题目导致点击后完全没有反馈。 editorModal.classList.add('open'); try { renderEditor(extractedData); } catch (error) { editorList.textContent = '题目编辑器加载失败，请重新提取后重试。'; console.error('[学习通题目导出] 编辑器加载失败', error); showStatus(els, `编辑器加载失败：${error && error.message ? error.message : error}`, 'err'); } }; els.btnEdit.addEventListener('click', event => { event.__xxtEditorHandled = true; openExtractedEditor(); }); // 兼容学习通页面对按钮事件的代理/重绘：即使结果区被替换， // 通过面板委托仍能打开编辑器。 panel.addEventListener('click', event => { const target = event.target && event.target.closest && event.target.closest('#xxt-btnEdit'); if (!target || event.__xxtEditorHandled || event.target === target) return; event.__xxtEditorHandled = true; openExtractedEditor(); }); editorClose.addEventListener('click', () => { editorModal.classList.remove('open'); editorDraft = null; }); editorCancel.addEventListener('click', () => { editorModal.classList.remove('open'); editorDraft = null; }); editorSave.addEventListener('click', saveEditorChanges); editorModal.addEventListener('click', e => { if (e.target === editorModal) { editorModal.classList.remove('open'); editorDraft = null; } }); document.addEventListener('keydown', e => { if (e.key === 'Escape' && editorModal.classList.contains('open')) { editorModal.classList.remove('open'); editorDraft = null; } }, { signal: uiEventController.signal }); function syncExtractionOptionState(data) { if (!data) return; const hasCorrectAnswer = data.hasCorrectAnswer === true || Object.values(data.results || {}).some(list => (list || []).some(question => question && (question.correctAnswer || hasRichContent(question.correctAnswerContent)))); const hasMyAnswer = !!data.hasMyAnswer; const hasWrong = Number(data.wrongCount || 0) > 0; const isBankImport = !!(els.chkBankImport && els.chkBankImport.checked); const format = getFormat(els); const isPaged = format === 'word' || format === 'pdf'; const ansToggle = document.getElementById('xxt-ans-toggle'); const shuffleToggle = document.getElementById('xxt-shuffle-toggle'); if (els.chkAnswers) { els.chkAnswers.disabled = isBankImport || !hasCorrectAnswer; if (!hasCorrectAnswer || isBankImport) els.chkAnswers.checked = false; } if (ansToggle) { ansToggle.classList.toggle('xxt-disabled', isBankImport || !hasCorrectAnswer); const input = ansToggle.querySelector('input'); if (input) input.disabled = isBankImport || !hasCorrectAnswer; } if (els.chkShuffle) els.chkShuffle.disabled = isBankImport; if (shuffleToggle) { shuffleToggle.classList.toggle('xxt-disabled', isBankImport); const input = shuffleToggle.querySelector('input'); if (input) input.disabled = isBankImport; } if (els.wrongToggle) { const showWrong = hasMyAnswer && hasWrong && !isBankImport && !isPaged; els.wrongToggle.classList.toggle('xxt-hidden', !showWrong); els.wrongToggle.classList.toggle('xxt-disabled', isBankImport); const input = els.wrongToggle.querySelector('input'); if (input) input.disabled = isBankImport; } if (els.wrongHint) { const showHint = hasMyAnswer && hasWrong && !isBankImport && !isPaged; els.wrongHint.classList.toggle('xxt-hidden', !showHint); els.wrongHint.style.display = isPaged ? 'none' : ''; if (showHint) els.wrongHint.textContent = `检测到 ${data.wrongCount} 道错题，可勾选附加到输出末尾`; } } // 格式/选项切换时更新文件名 panel.addEventListener('change', (e) => { if (!extractedData) return; if (e.target.name === 'xxt-fmt') { updateFilename(els); const isWord = getFormat(els) === 'word'; // 题库导入格式仅适用于 Word if (els.bankImportToggle) els.bankImportToggle.style.display = isWord ? '' : 'none'; if (!isWord && els.chkBankImport) els.chkBankImport.checked = false; syncExtractionOptionState(extractedData); } // 题库导入格式切换：勾选时禁用打乱和答案选项（不隐藏，维持高度稳定） if (e.target === els.chkBankImport) { updateFilename(els); const checked = els.chkBankImport.checked; const hasCorrectAnswer = extractedData.hasCorrectAnswer !== false; const ansToggle = document.getElementById('xxt-ans-toggle'); const shuffleToggle = document.getElementById('xxt-shuffle-toggle'); const wrongToggle = document.getElementById('xxt-wrong-toggle'); if (ansToggle) { ansToggle.classList.toggle('xxt-disabled', checked || !hasCorrectAnswer); if (ansToggle.querySelector('input')) ansToggle.querySelector('input').disabled = checked || !hasCorrectAnswer; } if (shuffleToggle) { shuffleToggle.classList.toggle('xxt-disabled', checked); if (shuffleToggle.querySelector('input')) shuffleToggle.querySelector('input').disabled = checked; } if (wrongToggle) { wrongToggle.classList.toggle('xxt-disabled', checked); if (wrongToggle.querySelector('input')) wrongToggle.querySelector('input').disabled = checked; } if (checked) { if (els.chkAnswers) els.chkAnswers.checked = false; if (els.chkShuffle) els.chkShuffle.checked = false; if (els.chkWrong) els.chkWrong.checked = false; } syncExtractionOptionState(extractedData); } // 勾选/取消附加答案时更新文件名 if (e.target === els.chkAnswers) { updateFilename(els); } // 保存导出配置 if (extractedData) saveExportConfig(els); }); async function waitForFreshIframeQuestions(generation, timeout = 12000) { const startedAt = Date.now(); const previousSignature = window.__xxt_ignore_iframe_signature || ''; const previousMessageAt = window.__xxt_last_iframe_message_at || 0; let nextRequestAt = 0; while (Date.now() - startedAt < timeout) { if (generation !== extractionGeneration) return emptyExtractResult(); const now = Date.now(); const iframeData = window.__xxt_iframe_data; const signature = iframeDataSignature(iframeData); const isFreshMessage = (window.__xxt_last_iframe_message_at || 0) > previousMessageAt; if (iframeData && hasQuestions(iframeData) && signature && (isFreshMessage || signature !== previousSignature)) { return extract({ preferIframe: true, iframeOnly: true }); } // 新页面的 iframe 可能尚未完成第一次 postMessage，分阶段请求， // 让切换较慢的随堂练习也能在本次手动提取中完成识别。 if (now >= nextRequestAt) { requestIframeExtraction(); nextRequestAt = now + 900; } await new Promise(resolve => setTimeout(resolve, 180)); } return emptyExtractResult(); } els.btnExtract.addEventListener('click', async () => { const generation = extractionGeneration; els.btnExtract.disabled = true; els.btnExtract.textContent = '提取中...'; els.status.className = 'xxt-hidden'; els.result.classList.add('xxt-hidden'); let extracted; try { // 当前题目页可能使用自定义 WebFont；先尝试建立码点映射，失败时 // 继续原有提取流程，不影响作业、考试和随堂练习。 await prepareFontCipherDecoder(document); // 手动提取时优先读取当前题目页；若题目位于跨域/嵌套 iframe， // 再请求 iframe 回传并等待本次页面的新结果。 const navigationPending = Date.now() - (window.__xxt_navigation_started_at || 0) < 6000; const topResult = navigationPending ? emptyExtractResult() : extractFromRoot(document); if (hasQuestions(topResult)) { extracted = topResult; } else { window.__xxt_iframe_data = null; window.__xxt_iframe_context = null; window.__xxt_navigation_started_at = Date.now(); requestIframeExtraction(); showStatus(els, '页面正在加载，正在识别题目…', 'loading'); extracted = await waitForFreshIframeQuestions(generation, 12000); } if (generation !== extractionGeneration) return; const { results, typeOrder, wrongCount, hasMyAnswer, hasCorrectAnswer } = extracted; const total = Object.values(results).reduce((s, a) => s + a.length, 0); if (total === 0) { showStatus(els, '题目仍在加载，暂未完成识别，请稍后点击“重新提取”', 'loading'); els.btnExtract.disabled = false; els.btnExtract.textContent = '提取本页题目'; return; } const titleEl = document.querySelector('.mark_title'); const title = extracted.title || (titleEl ? decodeFontCipherText(titleEl.textContent.trim(), titleEl) : ''); extractedData = { total, title, typeOrder, results, wrongCount, hasMyAnswer, hasCorrectAnswer, breakdown: Object.fromEntries(Object.entries(results).map(([k, v]) => [k, v.length])), text: formatOutput(results, typeOrder), textWithAnswers: formatOutputWithAnswers(results, typeOrder), textWrong: formatWrongQuestionsTXT(results, typeOrder), textMD: formatOutputMD(results, typeOrder), textWithAnswersMD: formatOutputWithAnswersMD(results, typeOrder), textWrongMD: formatWrongQuestionsMD(results, typeOrder), }; // 不信任页面分支返回的布尔标记：统一从已提取到的每道题答案重新计算。 // 这样即使阅卷页把“正确答案”和值拆进相邻节点，开关也不会被误锁住。 recalculateExtractedMeta(extractedData); resetExportQuestionSelection(); renderStats(els); updateFilename(els); els.result.classList.remove('xxt-hidden'); syncExtractionOptionState(extractedData); if (els.chkWrong) els.chkWrong.checked = false; showStatus(els, `成功提取 ${extractedData.total} 道题目` + (extractedData.wrongCount > 0 ? `，含 ${extractedData.wrongCount} 道错题` : ''), 'ok'); els.btnExtract.disabled = false; els.btnExtract.textContent = '重新提取'; } catch (error) { if (generation === extractionGeneration) { showStatus(els, `提取失败：${error && error.message ? error.message : error}`, 'err'); } } finally { // 无论解析器/iframe 请求是否异常，都不能让主按钮永久卡在“提取中”。 if (generation === extractionGeneration && els.btnExtract.disabled) { els.btnExtract.disabled = false; els.btnExtract.textContent = '提取本页题目'; } } }); els.btnDownload.addEventListener('click', async () => { if (!extractedData) return; const exportData = getSelectedExtractedData(); if (!exportData || !hasQuestions(exportData)) { showStatus(els, '当前没有勾选题目，请先选择至少 1 道题', 'warn'); return; } const fmt = getFormat(els); const baseFilename = (els.filename.value || '学习通题目').replace(/\.(txt|md|docx|pdf)$/, ''); if (fmt === 'pdf') { els.btnDownload.disabled = true; els.btnDownload.textContent = '生成中...'; try { const isBankImport = false; const doShuffle = els.chkShuffle && els.chkShuffle.checked; const withWrong = els.chkWrong && els.chkWrong.checked; const activeResults = doShuffle ? shuffleQuestions(exportData.results, exportData.typeOrder) : exportData.results; await generatePdf(activeResults, exportData.typeOrder, exportData.title, !!(els.chkAnswers && els.chkAnswers.checked), withWrong, baseFilename + '.pdf'); showStatus(els, 'PDF 已下载', 'ok'); addToHistory(exportData, 'pdf', !!(els.chkAnswers && els.chkAnswers.checked), withWrong, doShuffle, isBankImport, ''); } catch (err) { showStatus(els, 'PDF 导出失败: ' + err.message, 'err'); } els.btnDownload.disabled = false; els.btnDownload.textContent = '\u21E9 下载'; return; } if (fmt === 'word') { // 常规 Word 导出也统一使用原生 .docx。 els.btnDownload.disabled = true; els.btnDownload.textContent = '生成 Word...'; try { const isBankImport = els.chkBankImport && els.chkBankImport.checked; const doShuffle = !isBankImport && els.chkShuffle && els.chkShuffle.checked; const withWrong = !isBankImport && els.chkWrong && els.chkWrong.checked; const activeResults = doShuffle ? shuffleQuestions(exportData.results, exportData.typeOrder) : exportData.results; window.__xxt_failed_image_count = 0; // 给“生成 Word”状态一次绘制机会，再开始原生 docx 打包。 await new Promise(resolve => setTimeout(resolve, 0)); const blob = await generateWordBlob( activeResults, exportData.typeOrder, exportData.title, isBankImport || !!els.chkAnswers.checked, withWrong, isBankImport ); const filename = baseFilename + '.docx'; const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = filename; a.click(); URL.revokeObjectURL(url); const failedImg = window.__xxt_failed_image_count || 0; const warnMsg = failedImg > 0 ? `（${failedImg} 张图片加载失败）` : ''; showStatus(els, (isBankImport ? '题库导入格式已下载（.docx）' : 'Word 试卷（.docx）' + (els.chkAnswers.checked ? '（含答案）' : '') + (withWrong ? '（含错题）' : '') + '已下载') + warnMsg, failedImg > 0 ? 'warn' : 'ok'); addToHistory(exportData, 'word', isBankImport || els.chkAnswers.checked, withWrong, doShuffle, isBankImport, ''); } catch (err) { showStatus(els, 'Word 导出失败: ' + err.message, 'err'); } els.btnDownload.disabled = false; els.btnDownload.textContent = '\u21E9 下载'; return; } const ext = fmt === 'md' ? '.md' : '.txt'; const mime = fmt === 'md' ? 'text/markdown;charset=utf-8' : 'text/plain;charset=utf-8'; // 合并下载 const text = getOutputText(els, exportData); const filename = baseFilename + ext; const blob = new Blob([text], { type: mime }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = filename; a.click(); URL.revokeObjectURL(url); addToHistory(exportData, fmt, els.chkAnswers.checked, els.chkWrong && els.chkWrong.checked, els.chkShuffle && els.chkShuffle.checked, false, text); }); els.btnPreview.addEventListener('click', () => openExportPreview(els)); els.btnCopy.addEventListener('click', async () => { if (!extractedData) return; const exportData = getSelectedExtractedData(); if (!exportData || !hasQuestions(exportData)) { showStatus(els, '当前没有勾选题目，请先选择至少 1 道题', 'warn'); return; } const fmt = getFormat(els); if (fmt === 'word' || fmt === 'pdf') { showStatus(els, `${fmt === 'pdf' ? 'PDF' : 'Word'} 格式不支持复制，请使用下载`, 'warn'); return; } const text = getOutputText(els, exportData); try { await navigator.clipboard.writeText(text); } catch (err) { const textarea = document.createElement('textarea'); textarea.value = text; document.body.appendChild(textarea); textarea.select(); document.execCommand('copy'); document.body.removeChild(textarea); } showStatus(els, '已复制到剪贴板', 'ok'); }); _creatingPanel = false; } let exportPreviewState = { page: 0, pages: [], els: null, data: null, format: 'word' }; function previewEscapeHtml(value) { const div = document.createElement('div'); div.textContent = String(value == null ? '' : value); return div.innerHTML; } function previewRichHtml(content) { return (content || []).map(part => { if (part.type === 'text') return previewEscapeHtml(part.text || '').replace(/\n/g, '
'); if (part.type === 'break') return '
'; if (part.type === 'image' && part.url) { const src = String(part.url).replace(/&/g, '&').replace(/"/g, '"'); const alt = previewEscapeHtml(part.alt || '题目图片'); return ` ${alt}

`; } return ''; }).join(''); } function getPreviewModal() { let modal = document.getElementById('xxt-preview-modal'); if (modal) return modal; modal = document.createElement('div'); modal.id = 'xxt-preview-modal'; modal.innerHTML = `

`; document.body.appendChild(modal); enableXxtDragging(modal.querySelector('.xxt-preview-box'), modal.querySelector('.xxt-modal-header'), 'preview'); const close = () => modal.classList.remove('open'); modal.querySelector('#xxt-preview-close').addEventListener('click', close); modal.querySelector('#xxt-preview-cancel').addEventListener('click', close); modal.addEventListener('click', event => { if (event.target === modal) close(); }); modal.querySelector('#xxt-preview-prev').addEventListener('click', () => { if (exportPreviewState.page > 0) { exportPreviewState.page--; renderExportPreview(); } }); modal.querySelector('#xxt-preview-next').addEventListener('click', () => { if (exportPreviewState.page + 1 < exportPreviewState.pages.length) { exportPreviewState.page++; renderExportPreview(); } }); modal.querySelector('#xxt-preview-download').addEventListener('click', () => { close(); if (exportPreviewState.els && exportPreviewState.els.btnDownload) exportPreviewState.els.btnDownload.click(); }); return modal; } function renderExportPreview() { const modal = getPreviewModal(); const { page, pages, data, els, format } = exportPreviewState; if (!data || !pages.length) return; const withAnswers = !!(els.chkAnswers && els.chkAnswers.checked) || !!(els.chkBankImport && els.chkBankImport.checked); const withWrong = !!(els.chkWrong && els.chkWrong.checked) && !(els.chkBankImport && els.chkBankImport.checked); const doShuffle = !!(els.chkShuffle && els.chkShuffle.checked) && !(els.chkBankImport && els.chkBankImport.checked); const selectedCount = data.total || 0; const optionText = [withAnswers ? '含答案' : '不含答案', withWrong ? '含错题' : '', doShuffle ? '题目乱序' : ''].filter(Boolean).join(' · '); modal.querySelector('#xxt-preview-meta').textContent = `${data.title || '学习通题目'} · ${selectedCount} 道已选题 · ${format.toUpperCase()} · ${optionText}`; modal.querySelector('#xxt-preview-page').textContent = `第 ${page + 1} / ${pages.length} 页`; modal.querySelector('#xxt-preview-prev').disabled = page <= 0; modal.querySelector('#xxt-preview-next').disabled = page >= pages.length - 1; const current = pages[page]; let html = ''; if (format === 'txt' || format === 'md') { const text = getOutputText(els, data); const lines = text.split(/\r?\n/); const chunkSize = 90; const start = page * chunkSize; html = `

${previewEscapeHtml(lines.slice(start, start + chunkSize).join('\n'))}

`; } else { const labels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题' }; html = `

${page === 0 ? `

${previewEscapeHtml(data.title || '学习通题目')}

` : ''}`; let lastType = ''; current.forEach(item => { const q = item.question; if (item.type !== lastType) { html += `

${previewEscapeHtml(labels[item.type] || item.type)}

`; lastType = item.type; } html += `

${item.number}. ${previewRichHtml(questionContent(q))}${q.isWrong ? '错题' : ''}

`; (q.options || []).forEach(opt => { html += `

${previewEscapeHtml(opt.letter || '')}. ${previewRichHtml(optionContent(opt))}

`; }); if (withAnswers) html += `

答案：${previewRichHtml(answerContent(q)) || unavailableCorrectAnswerText(q)}

`; html += '

'; }); if (withWrong && page === pages.length - 1) { const wrong = []; (data.typeOrder || []).forEach(type => (data.results[type] || []).forEach(q => { if (q.isWrong) wrong.push(q); })); if (wrong.length) { html += '

错题汇总

'; wrong.forEach(q => { html += `

${previewRichHtml(questionContent(q))}
我的答案：${previewEscapeHtml(q.myAnswer || '无')}
正确答案：${previewRichHtml(answerContent(q)) || unavailableCorrectAnswerText(q)}

`; }); html += '

'; } } html += '

'; } modal.querySelector('#xxt-preview-content').innerHTML = html; } function openExportPreview(els) { if (!extractedData) return; const data = getSelectedExtractedData(); if (!data || !hasQuestions(data)) { showStatus(els, '当前没有勾选题目，请先选择至少 1 道题', 'warn'); return; } const format = getFormat(els); const activeResults = (els.chkShuffle && els.chkShuffle.checked && !(els.chkBankImport && els.chkBankImport.checked)) ? shuffleQuestions(data.results, data.typeOrder) : data.results; const pages = []; if (format === 'txt' || format === 'md') { const lineCount = Math.max(1, getOutputText(els, data).split(/\r?\n/).length); for (let i = 0; i < lineCount; i += 90) pages.push([]); } else { let number = 0; let page = []; (data.typeOrder || []).forEach(type => (activeResults[type] || []).forEach(question => { number++; page.push({ type, question, number }); if (page.length >= 8) { pages.push(page); page = []; } })); if (page.length) pages.push(page); } exportPreviewState = { page: 0, pages: pages.length ? pages : [[]], els, data: { ...data, results: activeResults }, format }; const modal = getPreviewModal(); modal.classList.add('open'); renderExportPreview(); } function getFormat(els) { const checked = document.querySelector('input[name="xxt-fmt"]:checked'); return checked ? checked.value : 'txt'; } function showStatus(els, msg, type) { els.status.textContent = msg; els.status.className = `xxt-status xxt-status-${type}`; els.status.classList.remove('xxt-hidden'); } function getOutputText(els, data = getSelectedExtractedData()) { if (!data || !hasQuestions(data)) return ''; const fmt = getFormat(els); const withAnswers = els.chkAnswers.checked; const withWrong = els.chkWrong && els.chkWrong.checked; const doShuffle = els.chkShuffle && els.chkShuffle.checked; // 打乱时所有正文、答案和错题汇总均使用同一份结果，避免序号/顺序不一致。 let base = ''; let activeResults = data.results; if (doShuffle) { activeResults = shuffleQuestions(data.results, data.typeOrder); if (fmt === 'md') { base = withAnswers ? formatOutputWithAnswersMD(activeResults, data.typeOrder) : formatOutputMD(activeResults, data.typeOrder); } else { base = withAnswers ? formatOutputWithAnswers(activeResults, data.typeOrder) : formatOutput(activeResults, data.typeOrder); } } else { if (fmt === 'md') { base = withAnswers ? data.textWithAnswersMD : data.textMD; } else { base = withAnswers ? data.textWithAnswers : data.text; } } if (withWrong) { const wrong = doShuffle ? (fmt === 'md' ? formatWrongQuestionsMD(activeResults, data.typeOrder) : formatWrongQuestionsTXT(activeResults, data.typeOrder)) : (fmt === 'md' ? data.textWrongMD : data.textWrong); return base + wrong; } return base; } function updateFilename(els) { if (!extractedData) return; const title = extractedData.title || '学习通题目'; const cleanTitle = title.replace(/[\\/:*?"<>|]/g, '_').substring(0, 60); const fmt = getFormat(els); const ext = fmt === 'md' ? '.md' : fmt === 'word' ? '.docx' : fmt === 'pdf' ? '.pdf' : '.txt'; // 题库导入格式用"（题库导入）"后缀，附加答案用"（含答案）" const isBankImport = els.chkBankImport && els.chkBankImport.checked; const suffix = isBankImport ? '（题库导入）' : (els.chkAnswers.checked ? '（含答案）' : ''); els.filename.value = cleanTitle + suffix + ext; els.filename.classList.remove('xxt-hidden'); } function renderStats(els) { const typeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题' }; const order = extractedData.typeOrder || Object.keys(typeLabels); let html = ''; for (const key of order) { const count = extractedData.breakdown[key] || 0; if (count > 0) { html += `

${count}

${typeLabels[key]}

`; } } els.stat.innerHTML = html; updateExportSelectionSummary(); } // ==================== 初始化 ==================== // 检测是否在 iframe 中运行 let isInIframe = false; try { isInIframe = window.top !== window.self; } catch(e) { isInIframe = true; } let initTimer = null; let observer = null; // 脚本在 document-start 注入时，document.body 还可能不存在。直接把 // MutationObserver 挂到空 body 会抛错并中断后续初始化，统一等待 body 就绪。 function withDocumentBody(callback) { if (document.body) { callback(document.body); return; } const runWhenReady = () => { if (document.body) callback(document.body); else setTimeout(runWhenReady, 0); }; if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', runWhenReady, { once: true }); } else { setTimeout(runWhenReady, 0); } } if (isInIframe) { // 在 iframe 中：提取题目并通过 postMessage 回传给父窗口，不创建 UI let iframeDebounceTimer = null; async function iframeExtract(requestId = '') { await prepareFontCipherDecoder(document); const result = extractFromRoot(document); if (!hasQuestions(result)) return; // 获取标题（兼容作业详情页与章节测验页） const titleEl = document.querySelector('.mark_title, .newTestTitle, .TestTitle_name'); const title = titleEl ? decodeFontCipherText(titleEl.textContent.trim(), titleEl) : ''; // 题目页可能嵌套在学习页、内容卡和作业页等多层 iframe 中。 // 消息由直属父窗口逐层转发，因此顶层面板也能收到最内层题目数据。 const message = { type: 'xxt-iframe-result', data: { ...result, title }, context: { href: window.location.href, title }, requestId, sentAt: Date.now(), relayContexts: [] }; // 只发给直属父窗口，由每层父窗口验证 source 后继续转发。 // 直接发给 top 会使 top 无法验证“直属 iframe”来源。 try { window.parent.postMessage(message, '*'); } catch (e) {} } // 顶层面板手动点击“提取本页题目”时，外层 iframe 会把请求继续转发给 // 深层题目 iframe；真正的题目页收到后立即重新解析并回传。 window.addEventListener('message', (event) => { if (!event.data || event.data.type !== 'xxt-request-extract') return; if (event.source !== window.parent) return; const sentAt = Number(event.data.sentAt || 0); if (sentAt && Date.now() - sentAt > 30000) return; iframeExtract(event.data.requestId || ''); relayIframeExtractRequest(event.data); }); // 任务入口一般在外层 iframe 内，点击事件不会传到顶层 document。 // 提前通知顶层面板清除旧结果，防止切换到另一个随堂练习时仍显示上一页。 function notifyTopOfIframeNavigation() { try { window.parent.postMessage({ type: 'xxt-iframe-navigation', context: { href: window.location.href, title: document.title || '' }, sentAt: Date.now() }, '*'); } catch (e) {} } function isIframeTaskNavigationTarget(target) { if (!target || !(target.closest instanceof Function)) return false; const entry = target.closest('#coursetree, .posCatalog_select, .posCatalog_name, .posCatalog, .task, .task-item, .work, .work-item, .job, .job-item, .chapter, .chapter-item, [class*="task"], [class*="Task"], [class*="work"], [class*="Work"], [class*="job"], [class*="Job"], [class*="chapter"], [class*="Chapter"], a[href*="quiz"], a[href*="answerQuestion"], a[href*="work"]'); if (entry) return true; const link = target.closest('a, button, [role="button"]'); const text = (link && link.textContent || '').replace(/\s+/g, ' ').trim(); return /^(?:随堂练习|章节测验|作业|考试|任务)(?:\s|$)/.test(text); } document.addEventListener('click', (event) => { if (isIframeTaskNavigationTarget(event.target)) notifyTopOfIframeNavigation(); }, true); // 监听题目 DOM 变化并准备回传，真正的顶层提取仍由用户点击主按钮触发。 // 始终挂载在 document.body 上，避免题目容器被替换后 observer 失效 let iframeQuestionObserver = null; function observeForQuestions() { if (iframeQuestionObserver) return; withDocumentBody(body => { if (iframeQuestionObserver) return; const mo = new MutationObserver(() => { if (iframeDebounceTimer) clearTimeout(iframeDebounceTimer); iframeDebounceTimer = setTimeout(iframeExtract, 300); }); mo.observe(body, { childList: true, subtree: true }); iframeQuestionObserver = mo; }); } if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', () => { iframeExtract(); observeForQuestions(); }); } else { iframeExtract(); observeForQuestions(); } // 延迟重试，应对用户点击主按钮前题目内容仍在动态加载； // 这些回传只缓存数据，不会自动改变顶层面板。 setTimeout(iframeExtract, 1500); setTimeout(iframeExtract, 3000); // 定时轮询兜底，应对 SPA 页面替换时 MutationObserver 遗漏。 setInterval(iframeExtract, 2000); } else { // 在顶层窗口中：正常创建 UI 并监听 iframe 回传数据 if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', createPanel); } else { createPanel(); } // 学习通切换题目页时经常只替换 iframe 内容，顶层 URL 和外层 // DOM 都不变。监听任务点击、iframe load 及 iframe src 变化，清除 // 上一页结果；新题目仍需用户手动点击“提取本页题目”。 let lastFrameState = ''; const navigationFrameListeners = new WeakSet(); const markNavigationStarted = () => { // 新页面结果已经到达时，iframe 的 load 事件可能随后才触发； // 此时不能再次清空刚识别出的新题目。 if (Date.now() - (window.__xxt_last_iframe_message_at || 0) < 1200) return; window.__xxt_navigation_started_at = Date.now(); // 批量提取会按原生课程路径连续切换可见任务；这些 load/src 变化属于 // 自动流程，不能清空正在累计的结果或覆盖右侧进度。 if (batchExtractionRun && batchExtractionRun.running) return; if (window.__xxt_reset_extraction) window.__xxt_reset_extraction(); }; const inspectPracticeFrames = () => { const frames = Array.from(document.querySelectorAll('iframe:not([data-xxt-batch-frame])')); const frameState = frames.map(frame => { let contentHref = ''; try { contentHref = frame.contentWindow && frame.contentWindow.location.href || ''; } catch (e) {} return [frame.id || '', frame.name || '', frame.getAttribute('src') || '', contentHref].join('|'); }).join('\\n'); if (lastFrameState && frameState !== lastFrameState) markNavigationStarted(); lastFrameState = frameState; frames.forEach(frame => { if (navigationFrameListeners.has(frame)) return; navigationFrameListeners.add(frame); frame.addEventListener('load', () => { markNavigationStarted(); setTimeout(inspectPracticeFrames, 0); }, true); }); }; const isPracticeNavigationTarget = (target) => { if (!target || !(target.closest instanceof Function)) return false; if (target.closest('#xxt-panel, #xxt-settings-modal')) return false; const related = target.closest('#coursetree, .posCatalog_select, .posCatalog_name, .posCatalog, .task, .task-item, .work, .work-item, .job, .job-item, .chapter, .chapter-item, [class*="task"], [class*="Task"], [class*="work"], [class*="Work"], [class*="job"], [class*="Job"], [class*="chapter"], [class*="Chapter"], a[href*="quiz"], a[href*="answerQuestion"], a[href*="work"]'); return !!related; }; document.addEventListener('click', (event) => { if (batchExtractionRun && batchExtractionRun.running) return; if (isPracticeNavigationTarget(event.target)) markNavigationStarted(); }, true); inspectPracticeFrames(); setInterval(inspectPracticeFrames, 800); withDocumentBody(body => { if (observer) return; observer = new MutationObserver(() => { if (initTimer) clearTimeout(initTimer); initTimer = setTimeout(createPanel, 500); }); observer.observe(body, { childList: true, subtree: true }); }); } })();

${pdfEscape(title || '学习通题目')}

${pdfEscape(typeHeaders[qtype] || qtype)}

错题汇总

学习通题目一键提取导出

设置

历史记录

📚 题库区

在线查看 / 编辑题目

导出预览

${previewEscapeHtml(data.title || '学习通题目')}

${previewEscapeHtml(labels[item.type] || item.type)}

错题汇总