// ==UserScript== // @name 学习通作业/考试一键提取导出 // @license GPL-3.0 // @version 1.9.1 // @description 一键提取学习通作业/考试题目，支持富文本（图文混排），答案/错题收集，题库导入格式，快捷键，暗色模式 // @author huilin // @icon http://pan-yz.chaoxing.com/favicon.ico // @match *://*.chaoxing.com/* // @match *://*.edu.cn/* // @noframes // @require https://unpkg.com/docx@8.5.0/build/index.umd.js // @grant none // ==/UserScript== (function () { 'use strict'; // ==================== 样式注入 ==================== const css = ` /* ===== 触发按钮 ===== */ #xxt-panel-btn { position: fixed; top: 120px; right: 0; z-index: 99999; width: 38px; padding: 14px 7px; background: #1e88e5; color: #fff; border: none; border-radius: 8px 0 0 8px; font-size: 13px; font-weight: 600; cursor: pointer; writing-mode: vertical-rl; letter-spacing: 3px; box-shadow: -3px 3px 12px rgba(30,136,229,0.25); transition: 0.25s cubic-bezier(.4,0,.2,1); font-family: "Microsoft YaHei","微软雅黑",sans-serif; } #xxt-panel-btn:hover { background: #1565c0; width: 42px; box-shadow: -4px 4px 16px rgba(30,136,229,0.35); } /* ===== 面板主体 ===== */ #xxt-panel { position: fixed; top: 80px; right: -400px; z-index: 99998; width: 380px; background: #fff; border-radius: 12px 0 0 12px; box-shadow: -4px 4px 20px rgba(0,0,0,0.08), -2px 2px 6px rgba(0,0,0,0.04); padding: 20px 18px 18px; font-family: "PingFang SC","Microsoft YaHei","微软雅黑",-apple-system,sans-serif; font-size: 13px; color: #333; transition: right 0.35s ease; max-height: 86vh; overflow-y: auto; } #xxt-panel::-webkit-scrollbar { width: 4px; } #xxt-panel::-webkit-scrollbar-thumb { background: #d0d7de; border-radius: 4px; } #xxt-panel.open { right: 0; } /* ===== 标题栏 ===== */ #xxt-panel .xxt-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid #eee; } #xxt-panel .xxt-header h3 { font-size: 15px; font-weight: 700; color: #222; margin: 0; } #xxt-panel .xxt-close-btn { width: 24px; height: 24px; border: none; background: #f0f0f0; border-radius: 50%; font-size: 15px; color: #999; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; line-height: 1; } #xxt-panel .xxt-close-btn:hover { background: #e0e0e0; color: #555; } /* ===== 提取按钮 ===== */ #xxt-panel .xxt-btn-extract { display: block; width: 100%; padding: 11px; border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; margin-bottom: 10px; transition: all 0.2s ease; background: #1e88e5; color: #fff; box-shadow: 0 2px 6px rgba(30,136,229,0.2); letter-spacing: 1px; } #xxt-panel .xxt-btn-extract:hover { background: #1565c0; box-shadow: 0 3px 10px rgba(30,136,229,0.28); } #xxt-panel .xxt-btn-extract:active { transform: scale(0.985); } #xxt-panel .xxt-btn-extract:disabled { background: #ccc; box-shadow: none; cursor: not-allowed; transform: none; } /* ===== 状态提示 ===== */ #xxt-panel .xxt-status { text-align: center; padding: 9px 12px; font-size: 12.5px; margin-bottom: 10px; border-radius: 6px; font-weight: 500; } .xxt-status-ok { color: #16a34a; background: #f0fdf4; border: 1px solid #bbf7d0; } .xxt-status-err { color: #dc2626; background: #fef2f2; border: 1px solid #fecaca; } .xxt-status-warn { color: #d97706; background: #fffbeb; border: 1px solid #fde68a; } /* ===== 统计卡片 ===== */ #xxt-panel .xxt-stat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 12px 0 14px; } #xxt-panel .xxt-stat-item { text-align: center; padding: 10px 4px 8px; background: #fafbfc; border-radius: 8px; border: 1px solid #eef0f2; transition: border-color 0.2s; } #xxt-panel .xxt-stat-item:hover { border-color: #1e88e5; } #xxt-panel .xxt-stat-item .xxt-num { font-size: 22px; font-weight: 800; color: #1e88e5; line-height: 1.2; } #xxt-panel .xxt-stat-item .xxt-label { font-size: 11px; color: #999; margin-top: 2px; font-weight: 500; } /* ===== 分隔区块 ===== */ #xxt-panel .xxt-section { background: #fafbfc; border-radius: 8px; padding: 12px 14px; border: 1px solid #eef0f2; margin-top: 10px; } /* ===== 文件名输入 ===== */ #xxt-panel .xxt-filename { width: 100%; padding: 9px 12px; border: 1.5px solid #ddd; border-radius: 6px; font-size: 12.5px; color: #333; box-sizing: border-box; outline: none; transition: all 0.2s ease; background: #fff; } #xxt-panel .xxt-filename:focus { border-color: #1e88e5; box-shadow: 0 0 0 3px rgba(30,136,229,0.08); } /* ===== 格式选择 ===== */ #xxt-panel .xxt-format-row { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 12.5px; color: #666; font-weight: 500; } #xxt-panel .xxt-format-row label { cursor: pointer; display: inline-flex; align-items: center; gap: 5px; padding: 5px 14px; border-radius: 18px; border: 1.5px solid #ddd; background: #fff; transition: all 0.2s ease; font-size: 12px; } #xxt-panel .xxt-format-row label:hover { border-color: #bbb; background: #f5f5f5; } #xxt-panel .xxt-format-row input[type="radio"] { width: 14px; height: 14px; cursor: pointer; accent-color: #1e88e5; } #xxt-panel .xxt-format-row label:has(input:checked) { color: #1e88e5; border-color: #1e88e5; background: #e8f4fd; } /* ===== 操作按钮组 ===== */ #xxt-panel .xxt-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; } #xxt-panel .xxt-actions .xxt-btn { padding: 10px; border-radius: 8px; font-size: 13px; font-weight: 600; margin-bottom: 0; transition: all 0.2s ease; } .xxt-btn-outline { background: #fff; color: #1e88e5; border: 1.5px solid #1e88e5 !important; } .xxt-btn-outline:hover { background: #1e88e5; color: #fff; border-color: transparent !important; } /* ===== 开关选项（复选框） ===== */ #xxt-panel .xxt-toggle { display: flex; align-items: flex-start; gap: 10px; margin-top: 12px; padding: 10px 12px; border-radius: 8px; background: #fafbfc; border: 1px solid #eef0f2; cursor: pointer; transition: all 0.2s ease; } #xxt-panel .xxt-toggle:hover { background: #f0f2f5; } #xxt-panel .xxt-toggle .xxt-checkbox-wrap { flex-shrink: 0; width: 18px; height: 18px; margin-top: 1px; border: 2px solid #ccc; border-radius: 4px; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; background: #fff; } #xxt-panel .xxt-toggle input { display: none; } #xxt-panel .xxt-toggle input:checked + .xxt-checkbox-wrap { background: #1e88e5; border-color: #1e88e5; } #xxt-panel .xxt-toggle input:checked + .xxt-checkbox-wrap::after { content: ''; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg) translateY(-1px); } #xxt-panel .xxt-toggle span { font-size: 12.5px; color: #444; line-height: 1.5; font-weight: 500; } /* 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: 8px; padding: 8px 12px; background: #fef2f2; border-radius: 6px; border: 1px solid #fecaca; font-weight: 500; 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; } /* ===== 设置齿轮图标 ===== */ #xxt-panel .xxt-settings-btn { width: 24px; height: 24px; border: none; background: transparent; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; margin-right: 4px; color: #999; padding: 0; } #xxt-panel .xxt-settings-btn:hover { background: #f0f0f0; color: #555; } #xxt-panel .xxt-settings-btn svg { width: 16px; height: 16px; fill: currentColor; } /* ===== 设置弹窗遮罩 ===== */ #xxt-settings-modal { position: fixed; inset: 0; z-index: 100000; background: rgba(0,0,0,0.35); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.2s ease; } #xxt-settings-modal.open { opacity: 1; pointer-events: auto; } /* ===== 设置弹窗主体 ===== */ #xxt-settings-modal .xxt-modal-box { background: #fff; border-radius: 14px; width: 340px; padding: 24px; box-shadow: 0 8px 32px rgba(0,0,0,0.15); transform: translateY(12px); transition: transform 0.25s ease; } #xxt-settings-modal.open .xxt-modal-box { transform: translateY(0); } #xxt-settings-modal .xxt-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid #eee; } #xxt-settings-modal .xxt-modal-header h3 { font-size: 15px; font-weight: 700; color: #222; margin: 0; } #xxt-settings-modal .xxt-modal-close { width: 24px; height: 24px; border: none; background: #f0f0f0; border-radius: 50%; font-size: 15px; color: #999; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; } #xxt-settings-modal .xxt-modal-close:hover { background: #e0e0e0; color: #555; } /* ===== 设置弹窗内容行 ===== */ #xxt-settings-modal .xxt-setting-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border-radius: 8px; background: #fafbfc; border: 1px solid #eef0f2; margin-bottom: 10px; font-size: 13px; color: #444; } #xxt-settings-modal .xxt-setting-label { font-weight: 500; white-space: nowrap; } #xxt-settings-modal .xxt-theme-group { display: flex; gap: 4px; } #xxt-settings-modal .xxt-theme-btn { padding: 4px 12px; border-radius: 14px; border: 1.5px solid #ddd; background: #fff; color: #666; font-size: 11px; cursor: pointer; transition: all 0.2s ease; font-weight: 500; } #xxt-settings-modal .xxt-theme-btn:hover { border-color: #bbb; color: #333; } #xxt-settings-modal .xxt-theme-btn.active { background: #e8f4fd; color: #1e88e5; border-color: #1e88e5; } #xxt-settings-modal .xxt-shortcut-display { display: flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 6px; background: #f0f0f0; border: 1px solid #ddd; cursor: pointer; transition: all 0.2s ease; font-size: 12px; } #xxt-settings-modal .xxt-shortcut-display:hover { border-color: #1e88e5; } #xxt-settings-modal .xxt-shortcut-keys { color: #1e88e5; font-weight: 600; font-family: monospace; padding: 2px 6px; background: #e8f4fd; border-radius: 4px; } #xxt-settings-modal .xxt-shortcut-hint { color: #999; font-size: 11px; } /* ===== 历史记录弹窗 ===== */ #xxt-history-modal { position: fixed; inset: 0; z-index: 100001; background: rgba(0,0,0,0.35); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.2s ease; } #xxt-history-modal.open { opacity: 1; pointer-events: auto; } #xxt-history-modal .xxt-modal-box { background: #fff; border-radius: 14px; width: 400px; max-height: 520px; padding: 24px; box-shadow: 0 8px 32px rgba(0,0,0,0.15); transform: translateY(12px); transition: transform 0.25s ease; display: flex; flex-direction: column; } #xxt-history-modal.open .xxt-modal-box { transform: translateY(0); } #xxt-history-modal .xxt-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid #eee; flex-shrink: 0; } #xxt-history-modal .xxt-modal-header h3 { font-size: 15px; font-weight: 700; color: #222; margin: 0; } #xxt-history-modal .xxt-modal-close { width: 24px; height: 24px; border: none; background: #f0f0f0; border-radius: 50%; font-size: 15px; color: #999; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; } #xxt-history-modal .xxt-modal-close:hover { background: #e0e0e0; color: #555; } #xxt-history-modal .xxt-history-list { flex: 1; overflow-y: auto; } #xxt-history-modal .xxt-history-empty { text-align: center; color: #bbb; padding: 40px 0; font-size: 13px; } #xxt-history-modal .xxt-history-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-radius: 10px; background: #fafbfc; border: 1px solid #eef0f2; margin-bottom: 8px; transition: background 0.2s; cursor: pointer; } #xxt-history-modal .xxt-history-item:hover { background: #f0f2f5; } #xxt-history-modal .xxt-history-info { flex: 1; min-width: 0; } #xxt-history-modal .xxt-history-title { font-size: 13px; font-weight: 600; color: #333; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } #xxt-history-modal .xxt-history-meta { font-size: 11px; color: #999; margin-top: 3px; } #xxt-history-modal .xxt-history-delete { width: 26px; height: 26px; border: none; background: transparent; border-radius: 50%; cursor: pointer; color: #ccc; font-size: 16px; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; flex-shrink: 0; margin-left: 8px; } #xxt-history-modal .xxt-history-delete:hover { background: #fee2e2; color: #ef4444; } /* ===== 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: 6px 2px 4px; } #xxt-panel .xxt-stat-item .xxt-num { font-size: 18px; } } `; const style = document.createElement('style'); style.textContent = css; document.head.appendChild(style); // ==================== 暗色模式 CSS ==================== const darkCSS = ` [data-xxt-theme="dark"] #xxt-panel-btn { background: #3b82f6; box-shadow: -3px 3px 12px rgba(59,130,246,0.3); } [data-xxt-theme="dark"] #xxt-panel-btn:hover { background: #2563eb; box-shadow: -4px 4px 16px rgba(59,130,246,0.4); } [data-xxt-theme="dark"] #xxt-panel { background: #1e1e2e; color: #cdd6f4; box-shadow: -4px 4px 20px rgba(0,0,0,0.3), -2px 2px 6px rgba(0,0,0,0.2); } [data-xxt-theme="dark"] #xxt-panel::-webkit-scrollbar-thumb { background: #45475a; } [data-xxt-theme="dark"] #xxt-panel .xxt-header { border-bottom-color: #313244; } [data-xxt-theme="dark"] #xxt-panel .xxt-header h3 { color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-panel .xxt-close-btn { background: #313244; color: #a6adc8; } [data-xxt-theme="dark"] #xxt-panel .xxt-close-btn:hover { background: #45475a; color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-panel .xxt-btn-extract { background: #3b82f6; color: #fff; box-shadow: 0 2px 6px rgba(59,130,246,0.25); } [data-xxt-theme="dark"] #xxt-panel .xxt-btn-extract:hover { background: #2563eb; box-shadow: 0 3px 10px rgba(59,130,246,0.35); } [data-xxt-theme="dark"] #xxt-panel .xxt-btn-extract:disabled { background: #45475a; } [data-xxt-theme="dark"] .xxt-status-ok { color: #4ade80; background: #052e16; border-color: #166534; } [data-xxt-theme="dark"] .xxt-status-err { color: #f87171; background: #450a0a; border-color: #991b1b; } [data-xxt-theme="dark"] .xxt-status-warn { color: #fbbf24; background: #451a03; border-color: #92400e; } [data-xxt-theme="dark"] #xxt-panel .xxt-stat-item { background: #181825; border-color: #313244; } [data-xxt-theme="dark"] #xxt-panel .xxt-stat-item:hover { border-color: #3b82f6; } [data-xxt-theme="dark"] #xxt-panel .xxt-stat-item .xxt-num { color: #89b4fa; } [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: #313244; } [data-xxt-theme="dark"] #xxt-panel .xxt-filename { border-color: #45475a; color: #cdd6f4; background: #11111b; } [data-xxt-theme="dark"] #xxt-panel .xxt-filename:focus { border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,0.12); } [data-xxt-theme="dark"] #xxt-panel .xxt-format-row { color: #a6adc8; } [data-xxt-theme="dark"] #xxt-panel .xxt-format-row label { border-color: #45475a; background: #181825; } [data-xxt-theme="dark"] #xxt-panel .xxt-format-row label:hover { border-color: #585b70; background: #1e1e2e; } [data-xxt-theme="dark"] #xxt-panel .xxt-format-row label:has(input:checked) { color: #89b4fa; border-color: #3b82f6; background: #1e1e3e; } [data-xxt-theme="dark"] .xxt-btn-outline { background: #181825; color: #89b4fa; border-color: #3b82f6 !important; } [data-xxt-theme="dark"] .xxt-btn-outline:hover { background: #3b82f6; color: #fff; } [data-xxt-theme="dark"] #xxt-panel .xxt-toggle { background: #181825; border-color: #313244; } [data-xxt-theme="dark"] #xxt-panel .xxt-toggle:hover { background: #1e1e2e; } [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-wrong-hint { color: #f87171; background: #450a0a; border-color: #991b1b; } /* ===== 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: #313244; color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-box { background: #1e1e2e; box-shadow: 0 8px 32px rgba(0,0,0,0.4); } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-header { border-bottom-color: #313244; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-header h3 { color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-close { background: #313244; color: #a6adc8; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-modal-close:hover { background: #45475a; color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-setting-row { background: #181825; border-color: #313244; color: #cdd6f4; } [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: #1e3a5f; color: #89b4fa; border-color: #3b82f6; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-shortcut-display { background: #11111b; border-color: #45475a; color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-settings-modal .xxt-shortcut-keys { color: #89b4fa; background: #1e1e3e; } /* ===== 历史记录弹窗暗色 ===== */ [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-box { background: #1e1e2e; box-shadow: 0 8px 32px rgba(0,0,0,0.4); } [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-header { border-bottom-color: #313244; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-header h3 { color: #cdd6f4; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-close { background: #313244; color: #a6adc8; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-modal-close:hover { background: #45475a; color: #cdd6f4; } [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: #313244; } [data-xxt-theme="dark"] #xxt-history-modal .xxt-history-item:hover { background: #1e1e2e; } [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: #450a0a; color: #f87171; } `; const darkStyle = document.createElement('style'); darkStyle.textContent = darkCSS; document.head.appendChild(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' }, hideShortcut: { ctrl: true, shift: true, alt: false, key: 'h' } }; 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 || {}) }, hideShortcut: { ...DEFAULT_SETTINGS.hideShortcut, ...(saved.hideShortcut || {}) } }; } } catch (e) { /* ignore */ } return { ...DEFAULT_SETTINGS, shortcut: { ...DEFAULT_SETTINGS.shortcut }, hideShortcut: { ...DEFAULT_SETTINGS.hideShortcut } }; } function saveSettings(settings) { try { localStorage.setItem(SETTINGS_KEY, JSON.stringify(settings)); } catch (e) { /* ignore */ } } let currentSettings = loadSettings(); // ==================== 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, 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; } // ==================== 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 btnEl = document.getElementById('xxt-panel-btn'); const btnExtract = document.getElementById('xxt-btnExtract'); if (!panel) return; // 面板未打开：打开面板 if (!panel.classList.contains('open')) { panel.classList.add('open'); } // 触发提取 if (btnExtract && !btnExtract.disabled) { btnExtract.click(); } }); // 一键隐藏/显示浮窗及按钮快捷键 document.addEventListener('keydown', (e) => { if (window.__xxt_recording) return; if (!isShortcutMatch(e, currentSettings.hideShortcut)) return; e.preventDefault(); const panel = document.getElementById('xxt-panel'); const btn = document.getElementById('xxt-panel-btn'); if (!panel && !btn) return; // 面板打开时需先关闭再隐藏 if (panel) panel.classList.remove('open'); const hidden = panel ? panel.style.display === 'none' : (btn ? btn.style.display === 'none' : false); if (panel) panel.style.display = hidden ? '' : 'none'; if (btn) btn.style.display = hidden ? '' : 'none'; }); // ==================== 提取逻辑 ==================== const TYPE_MAP = { '单选题': '单选', '选择题': '单选', '多选题': '多选', '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) { for (const [label, type] of Object.entries(TYPE_MAP)) { if (text.includes(label)) return type; } return null; } // ==================== 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; } // 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: node.nodeValue || '' }); return; } if (node.nodeType !== Node.ELEMENT_NODE) return; const tag = 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 (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; // 只剥离已知题型标签，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())); } // 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) return []; 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; } } return []; } 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 }] : []; } // 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; } function extractMyAnswer(qLi, qtype) { const markAnswer = qLi.querySelector('.mark_answer'); if (!markAnswer) return ''; // 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) 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 ''; } 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 if (!correctAnswer) return false; return myAnswer.trim() !== correctAnswer.trim(); } // 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() { // 优先从当前文档提取 const topResult = extractFromRoot(document); if (hasQuestions(topResult)) return topResult; // 学生学习页面：题目在多层嵌套 iframe 中，递归查找 const iframeResult = extractFromIframesRecursive(document); if (iframeResult) return iframeResult; // 兜底：返回空结果 return { results: { '单选': [], '多选': [], '填空': [], '判断': [], '简答': [] }, typeOrder: [], wrongCount: 0, hasMyAnswer: false, hasCorrectAnswer: false }; } // 检查提取结果是否包含题目 function hasQuestions(result) { return Object.values(result.results).some(arr => arr.length > 0); } // 从指定文档/根节点提取题目（支持 .mark_item 和 .questionLi 两种结构，富文本版本） function extractFromRoot(root) { 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） const markItems = root.querySelectorAll('.mark_item'); 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); const options = []; const markLetter = qLi.querySelector('.mark_letter'); if (markLetter) { markLetter.querySelectorAll('li').forEach((li, i) => { const opt = extractOptionFromLegacyLi(li, i); if (opt) options.push(opt); }); } const correctAnswerContent = extractCorrectAnswerContent(qLi); const correctAnswer = richContentToText(correctAnswerContent, () => '').replace(/\s+/g, ' ').trim(); const myAnswer = extractMyAnswer(qLi, sectionType); if (myAnswer) hasAnyMyAnswer = true; if (correctAnswer) hasCorrectAnswer = true; const wrong = isAnswerWrong(qLi, myAnswer, correctAnswer, sectionType); if (wrong) wrongCount++; results[sectionType].push({ stem, stemContent, options, correctAnswer, correctAnswerContent, myAnswer, isWrong: wrong }); }); }); 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 typeName = qLi.getAttribute('typeName') || ''; const sectionType = detectTypeFromText(typeName); 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 = qLi.querySelector('.mark_name'); if (!markName) return null; const stemContent = stripQuestionPrefix(extractRichContent(markName)); if (!hasRichContent(stemContent)) return null; const stem = formatRichForText(stemContent); const options = []; const answerBgs = qLi.querySelectorAll('.answerBg'); answerBgs.forEach((bg, i) => { const opt = extractOptionFromAnswerBg(bg, i); if (opt) options.push(opt); }); 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) { 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}. ${formatRichForText(optionContent(opt))}\n`; } } output += '\n'; } sectionIdx++; } return output.trim(); } function formatAnswersTXT(results, typeOrder) { const typeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题' }; const typeNumbers = ['一', '二', '三', '四', '五', '六']; let output = ''; let globalNum = 0; let sectionIdx = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const num = typeNumbers[sectionIdx] || sectionIdx + 1; output += `${num}、${typeLabels[qtype]}\n\n`; sectionIdx++; for (const q of questions) { globalNum++; const answer = formatRichForText(answerContent(q)) || '（未找到答案）'; 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}. ${answer}\n\n`; } } } return output.trim(); } function formatOutputWithAnswers(results, typeOrder) { let output = formatOutput(results, typeOrder); output += '\n\n\n'; output += '========================================\n'; output += ' 答案汇总\n'; output += '========================================\n\n'; output += formatAnswersTXT(results, typeOrder); return output.trim(); } function formatWrongQuestionsTXT(results, typeOrder) { let output = ''; output += '\n\n\n'; output += '========================================\n'; output += ' 错题汇总\n'; output += '========================================\n\n'; let globalNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; if (qtype === '简答') { globalNum += questions.length; continue; } for (const q of questions) { globalNum++; if (!q.isWrong) continue; const typeLabel = qtype === '填空' ? '填空题' : '题目'; output += `${globalNum}. (${typeLabel})${formatRichForText(questionContent(q))}\n`; output += ` 我的答案: ${q.myAnswer || '无'}\n`; output += ` 正确答案: ${formatRichForText(answerContent(q)) || '（未找到答案）'}\n\n`; } } return output.replace(/\n+$/, ''); } // ==================== Markdown 格式化（富文本） ==================== function formatOutputMD(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 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}. ${formatRichForMD(optionContent(opt))}\n`; } output += '\n'; } else { output += '\n'; } } sectionIdx++; } return output.trim(); } function formatAnswersMD(results, typeOrder) { let output = ''; let globalNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const typeLabels = { '单选': '单选题', '多选': '多选题', '填空': '填空题', '判断': '判断题', '简答': '简答题' }; output += `**${typeLabels[qtype]}**\n\n`; for (const q of questions) { globalNum++; const answer = formatRichForMD(answerContent(q)) || '（未找到答案）'; 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}. ${answer} \n`; } } output += '\n'; } return output.trim(); } function formatOutputWithAnswersMD(results, typeOrder) { let output = formatOutputMD(results, typeOrder); output += '\n\n---\n\n'; output += '## 答案汇总\n\n'; output += formatAnswersMD(results, typeOrder); return output.trim(); } function formatWrongQuestionsMD(results, typeOrder) { let output = '\n\n\n---\n\n'; output += '## 错题汇总\n\n'; let globalNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; if (qtype === '简答') { globalNum += questions.length; continue; } for (const q of questions) { globalNum++; if (!q.isWrong) continue; output += `**${globalNum}.** ${formatRichForMD(questionContent(q))}\n\n`; output += `- 我的答案: ${q.myAnswer || '无'}\n`; output += `- 正确答案: ${formatRichForMD(answerContent(q)) || '（未找到答案）'}\n\n`; } } return output.replace(/\n+$/, ''); } // ==================== Word 文档生成（富文本） ==================== async function fetchImageAsset(url) { if (!url) return null; try { const controller = new AbortController(); const timeoutId = setTimeout(() => controller.abort(), 10000); const resp = await fetch(url, { mode: 'cors', signal: controller.signal }); clearTimeout(timeoutId); if (!resp.ok) return null; const blob = await resp.blob(); if (!blob.type.startsWith('image/')) return null; return new Promise((resolve) => { const reader = new FileReader(); reader.onloadend = () => resolve(reader.result); reader.onerror = () => resolve(null); reader.readAsDataURL(blob); }); } catch (e) { return null; } } async function buildImageRun(url) { if (!url) return null; const base64 = await fetchImageAsset(url); if (base64) { return new docx.ImageRun({ data: base64, transformation: { width: 300, height: 200 }, type: 'png' }); } return null; } async function buildRichRuns(content, prefix = '') { const { TextRun } = docx; const runs = []; if (prefix) runs.push(new TextRun({ text: prefix, font: "宋体", size: 24 })); for (const part of content || []) { if (part.type === 'text') { const normalized = part.text.replace(/\n+/g, ' '); if (normalized) runs.push(new TextRun({ text: normalized, font: "宋体", size: 24 })); } 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 })]; } async function generateWordBlob(results, typeOrder, title, withAnswers, withWrong, bankImport) { const { Document, Packer, Paragraph, TextRun, ImageRun, AlignmentType, convertMillimetersToTwip, TabStopType, PageBreak } = docx; 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), `${opt.letter}. `); children.push(new Paragraph({ children: runs, spacing: { after: 40 } })); } // 答案 const answer = formatRichForText(answerContent(q)).trim(); if (answer) { let formattedAnswer = answer; if (qtype === '多选') { const parts = answer.replace(/\s+/g, '').split(''); formattedAnswer = parts.join('，'); } else if (qtype === '判断') { if (/^[√✓Tt]|正确|True|TRUE/.test(answer)) { formattedAnswer = '对'; } else { formattedAnswer = '错'; } } children.push(new Paragraph({ children: [new TextRun({ text: `答案：${formattedAnswer}`, font: "宋体", size: 24 })], spacing: { after: 120 } })); } else { children.push(new Paragraph({ children: [new TextRun({ text: '', font: "宋体", size: 24 })], spacing: { after: 120 } })); } } } const doc = new Document({ sections: [{ properties: { page: { margin: { top: convertMillimetersToTwip(20), bottom: convertMillimetersToTwip(20), left: convertMillimetersToTwip(25), right: convertMillimetersToTwip(25) } } }, children }] }); return await Packer.toBlob(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, `${qNum}. `), spacing: { after: 40 } })); children.push(new Paragraph({ children: [], spacing: { after: 120 } })); } else if (qtype === '判断') { children.push(new Paragraph({ children: await buildRichRuns(stemContent, `${qNum}. `), spacing: { after: 40 } })); children.push(new Paragraph({ children: [new TextRun({ text: '( )', font: "宋体", size: 24 })], spacing: { after: 120 } })); } else if (qtype === '简答') { children.push(new Paragraph({ children: await buildRichRuns(stemContent, `${qNum}. `), spacing: { after: 40 } })); for (let i = 0; i < 8; i++) { children.push(new Paragraph({ children: [new TextRun({ text: '', font: "宋体", size: 24 })], spacing: { after: 40 } })); } children.push(new Paragraph({ children: [], spacing: { after: 80 } })); } } } // 答案页 if (withAnswers) { children.push(new Paragraph({ children: [new PageBreak()], spacing: { after: 0 } })); children.push(new Paragraph({ children: [new TextRun({ text: '参考答案', font: "宋体", size: 32, bold: true, color: "000000" })], alignment: AlignmentType.CENTER, spacing: { after: 240 } })); let aNum = 0; for (const qtype of typeOrder) { const questions = results[qtype]; if (!questions || questions.length === 0) continue; const header = typeHeaders[qtype] || qtype; children.push(new Paragraph({ children: [new TextRun({ text: header, font: "宋体", size: 28, bold: true, color: "000000" })], spacing: { after: 120 } })); for (const q of questions) { aNum++; const answerContent = answerContent(q); const answerRuns = await buildRichRuns(answerContent); if (answerRuns.length === 0) { answerRuns.push(new TextRun({ text: '（未找到答案）', font: "宋体", size: 24 })); } children.push(new Paragraph({ children: [new TextRun({ text: `${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: '（未找到答案）', 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 Packer.toBlob(doc); } // ==================== UI 创建 ==================== let extractedData = null; let _creatingPanel = false; function createPanel() { if (_creatingPanel) return; if (document.getElementById('xxt-panel-btn')) return; _creatingPanel = true; if (observer) { observer.disconnect(); observer = null; } const btn = document.createElement('button'); btn.id = 'xxt-panel-btn'; btn.textContent = '提取题目'; btn.title = '学习通题目提取器'; document.body.appendChild(btn); const panel = document.createElement('div'); panel.id = 'xxt-panel'; panel.innerHTML = `

学习通题目提取器

输出格式
`; document.body.appendChild(panel); const $ = (id) => document.getElementById(id); const els = { btn, panel, btnExtract: $('xxt-btnExtract'), status: $('xxt-status'), result: $('xxt-result'), stat: $('xxt-stat'), filename: $('xxt-filename'), 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'), closeBtn: $('xxt-closeBtn'), }; btn.addEventListener('click', () => { panel.classList.toggle('open'); }); els.closeBtn.addEventListener('click', () => { panel.classList.remove('open'); }); // 点击面板外部关闭面板，但不影响设置弹窗和历史记录弹窗内的操作 document.addEventListener('click', (e) => { if (!panel.contains(e.target) && e.target !== btn && !modal.contains(e.target) && !historyModal.contains(e.target)) { panel.classList.remove('open'); } }); // ==================== 设置弹窗 ==================== // 创建设置弹窗 const modal = document.createElement('div'); modal.id = 'xxt-settings-modal'; modal.innerHTML = `

设置

主题
提取快捷键
点击修改
隐藏浮窗快捷键
点击修改
`; document.body.appendChild(modal); // 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(); 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); }); // 隐藏浮窗快捷键初始化与录制 const hideShortcutDisplay = modal.querySelector('#xxt-hide-shortcut-display'); const hideShortcutKeysEl = modal.querySelector('#xxt-hide-shortcut-keys'); const hideShortcutHintEl = modal.querySelector('#xxt-hide-shortcut-hint'); function updateHideShortcutUI() { hideShortcutKeysEl.textContent = formatShortcutLabel(currentSettings.hideShortcut); } updateHideShortcutUI(); hideShortcutDisplay.addEventListener('click', () => { hideShortcutHintEl.textContent = '请按下新快捷键...'; hideShortcutKeysEl.textContent = '...'; hideShortcutDisplay.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.hideShortcut = { ctrl: e.ctrlKey, shift: e.shiftKey, alt: e.altKey, key: key.toLowerCase() }; saveSettings(currentSettings); updateHideShortcutUI(); hideShortcutHintEl.textContent = '点击修改'; hideShortcutDisplay.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); updateHideShortcutUI(); hideShortcutHintEl.textContent = '点击修改'; hideShortcutDisplay.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'); } }); // ==================== 历史记录弹窗 ==================== const historyModal = document.createElement('div'); historyModal.id = 'xxt-history-modal'; historyModal.innerHTML = `

历史记录

暂无历史记录
`; document.body.appendChild(historyModal); 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' }; 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; const id = Number(item.dataset.id); const entry = loadHistory().find(h => h.id === id); if (!entry) return; // 恢复提取数据 const typeOrder = entry.typeOrder; const results = entry.results; const total = entry.totalQuestions; const hasCorrectAnswer = entry.hasCorrectAnswer !== false; extractedData = { total, title: entry.title, typeOrder, results, wrongCount: entry.wrongCount, hasMyAnswer: entry.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), }; // 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 ${entry.wrongCount} 道错题，可勾选附加到输出末尾`; els.wrongHint.classList.remove('xxt-hidden'); } else { els.wrongToggle.classList.add('xxt-hidden'); els.wrongHint.classList.add('xxt-hidden'); } renderStats(els); updateFilename(els); els.result.classList.remove('xxt-hidden'); showStatus(els, `已加载历史记录：${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(); }); }); } 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'); } }); // 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'; // 题库导入格式选项仅在 Word 格式下显示 if (els.bankImportToggle) els.bankImportToggle.style.display = isWord ? '' : 'none'; if (!isWord && els.chkBankImport) els.chkBankImport.checked = false; } // 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; } } // 勾选/取消附加答案时更新文件名 if (e.target === els.chkAnswers) { updateFilename(els); } }); els.btnExtract.addEventListener('click', () => { els.btnExtract.disabled = true; els.btnExtract.textContent = '提取中...'; els.status.className = 'xxt-hidden'; els.result.classList.add('xxt-hidden'); const { results, typeOrder, wrongCount, hasMyAnswer, hasCorrectAnswer } = extract(); const total = Object.values(results).reduce((s, a) => s + a.length, 0); if (total === 0) { showStatus(els, '未检测到题目，请确认已打开作业页面', 'warn'); els.btnExtract.disabled = false; els.btnExtract.textContent = '提取本页题目'; return; } const titleEl = document.querySelector('.mark_title'); const title = titleEl ? titleEl.textContent.trim() : ''; 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), }; renderStats(els); updateFilename(els); els.result.classList.remove('xxt-hidden'); // 没有正确答案时禁用“附加答案” if (els.chkAnswers) { els.chkAnswers.checked = hasCorrectAnswer ? els.chkAnswers.checked : false; els.chkAnswers.disabled = !hasCorrectAnswer; } const ansToggle = document.getElementById('xxt-ans-toggle'); if (ansToggle) ansToggle.classList.toggle('xxt-disabled', !hasCorrectAnswer); // 错题按钮逻辑（题库导入格式下不显示） const isBankImport = els.chkBankImport && els.chkBankImport.checked; if (hasMyAnswer && wrongCount > 0 && !isBankImport) { els.wrongToggle.classList.remove('xxt-hidden'); els.wrongHint.textContent = `检测到 ${wrongCount} 道错题，可勾选附加到输出末尾`; els.wrongHint.classList.remove('xxt-hidden'); els.chkWrong.checked = false; } else { els.wrongToggle.classList.add('xxt-hidden'); els.wrongHint.classList.add('xxt-hidden'); els.chkWrong.checked = false; } showStatus(els, `成功提取 ${total} 道题目` + (wrongCount > 0 ? `，含 ${wrongCount} 道错题` : ''), 'ok'); els.btnExtract.disabled = false; els.btnExtract.textContent = '重新提取'; }); els.btnDownload.addEventListener('click', async () => { if (!extractedData) return; const fmt = getFormat(els); if (fmt === 'word') { // Word 试卷导出 els.btnDownload.disabled = true; els.btnDownload.textContent = '生成中...'; try { const isBankImport = els.chkBankImport && els.chkBankImport.checked; // 题库导入格式：不打乱、始终含答案 const doShuffle = !isBankImport && els.chkShuffle && els.chkShuffle.checked; const withWrong = !isBankImport && els.chkWrong && els.chkWrong.checked; const activeResults = doShuffle ? shuffleQuestions(extractedData.results, extractedData.typeOrder) : extractedData.results; const blob = await generateWordBlob(activeResults, extractedData.typeOrder, extractedData.title, isBankImport || els.chkAnswers.checked, withWrong, isBankImport); const filename = (els.filename.value || '学习通试卷').replace(/\.(txt|md|docx)$/, '') + '.docx'; const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = filename; a.click(); URL.revokeObjectURL(url); showStatus(els, isBankImport ? '题库导入格式已下载' : 'Word 试卷' + (els.chkAnswers.checked ? '（含答案）' : '') + (withWrong ? '（含错题）' : '') + '已下载', 'ok'); addToHistory(extractedData, '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 = '\u{1F847} 下载'; return; } const text = getOutputText(els); const filename = els.filename.value || '学习通题目.txt'; const ext = fmt === 'md' ? '.md' : '.txt'; const mime = fmt === 'md' ? 'text/markdown;charset=utf-8' : 'text/plain;charset=utf-8'; const blob = new Blob([text], { type: mime }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = filename.endsWith(ext) ? filename : filename + ext; a.click(); URL.revokeObjectURL(url); addToHistory(extractedData, fmt, els.chkAnswers.checked, els.chkWrong && els.chkWrong.checked, els.chkShuffle && els.chkShuffle.checked, false, text); }); els.btnCopy.addEventListener('click', async () => { if (!extractedData) return; const fmt = getFormat(els); if (fmt === 'word') { showStatus(els, 'Word 格式不支持复制，请使用下载', 'warn'); return; } const text = getOutputText(els); 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; } 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) { if (!extractedData) return ''; const fmt = getFormat(els); const withAnswers = els.chkAnswers.checked; const withWrong = els.chkWrong && els.chkWrong.checked; const doShuffle = els.chkShuffle && els.chkShuffle.checked; // 打乱时重新生成题目文本，答案和错题始终用原始顺序 let base = ''; if (doShuffle) { const shuffled = shuffleQuestions(extractedData.results, extractedData.typeOrder); if (fmt === 'md') { base = withAnswers ? formatOutputWithAnswersMD(shuffled, extractedData.typeOrder) : formatOutputMD(shuffled, extractedData.typeOrder); } else { base = withAnswers ? formatOutputWithAnswers(shuffled, extractedData.typeOrder) : formatOutput(shuffled, extractedData.typeOrder); } } else { if (fmt === 'md') { base = withAnswers ? extractedData.textWithAnswersMD : extractedData.textMD; } else { base = withAnswers ? extractedData.textWithAnswers : extractedData.text; } } if (withWrong) { const wrong = fmt === 'md' ? extractedData.textWrongMD : extractedData.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' : '.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; } // ==================== 初始化 ==================== let initTimer = null; let observer = null; if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', createPanel); } else { createPanel(); } observer = new MutationObserver(() => { if (initTimer) clearTimeout(initTimer); initTimer = setTimeout(createPanel, 500); }); observer.observe(document.body, { childList: true, subtree: true }); })();