// ==UserScript== // @name 超星学习通考试/测验题目提取 (完整解密+导出Word/TXT) // @namespace http://tampermonkey.net/ // @version 4.6 // @description 一键提取学习通章节测验的题目，自动彻底解密乱码（参考字体解密脚本），支持导出Word和TXT，UI美化并置顶。 // @author 2281046977 // @match *://*.chaoxing.com/* // @match *://*.edu.cn/* // @icon http://pan-yz.chaoxing.com/favicon.ico // @require https://scriptcat.org/lib/668/1.0/TyprMd5.js // @resource Table https://www.forestpolice.org/ttf/2.0/table.json // @grant GM_getResourceText // @grant GM_setClipboard // @grant GM_addStyle // @run-at document-end // ==/UserScript== (function() { 'use strict'; // ================= 配置区 ================= // 字体映射表缓存 let fontHashParams = null; let currentFontData = null; let fontLoaded = false; // 标记是否成功加载了页面字体 // ================= 样式表 ================= // 使用最大z-index保证在最上层 const MAX_Z_INDEX = 2147483647; const styles = ` /* 侧边悬浮按钮 */ #cx-tool-panel { position: fixed; top: 150px; left: 10px; z-index: ${MAX_Z_INDEX - 1}; display: flex; flex-direction: column; gap: 10px; } .cx-btn { background-color: #4CAF50; color: white; padding: 10px 15px; border-radius: 6px; border: none; cursor: pointer; font-size: 14px; box-shadow: 0 4px 6px rgba(0,0,0,0.2); font-family: "Microsoft YaHei", sans-serif; text-align: center; transition: all 0.3s; } .cx-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 8px rgba(0,0,0,0.25); } .cx-btn:active { transform: translateY(0); } .cx-btn.primary { background-color: #1890ff; } .cx-btn.success { background-color: #52c41a; } .cx-btn.warning { background-color: #faad14; } /* 弹窗遮罩 */ #cx-preview-modal { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.6); backdrop-filter: blur(2px); z-index: ${MAX_Z_INDEX}; display: none; justify-content: center; align-items: center; } /* 弹窗主体 */ .cx-modal-content { background: white; width: 800px; max-width: 90%; height: 85vh; padding: 24px; border-radius: 12px; display: flex; flex-direction: column; box-shadow: 0 10px 25px rgba(0,0,0,0.5); animation: cxModalFadeIn 0.3s ease; } @keyframes cxModalFadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } } .cx-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px; } .cx-modal-title { font-size: 20px; font-weight: bold; color: #333; } .cx-close-btn { cursor: pointer; font-size: 28px; color: #999; line-height: 20px; transition: color 0.2s; } .cx-close-btn:hover { color: #333; } #cx-preview-text { flex: 1; width: 100%; resize: none; padding: 16px; border: 1px solid #d9d9d9; border-radius: 6px; font-family: Consolas, Monaco, "Courier New", monospace; font-size: 14px; line-height: 1.6; overflow-y: auto; background: #f9f9f9; color: #333; } #cx-preview-text:focus { outline: 2px solid #1890ff; border-color: transparent; } .cx-modal-footer { margin-top: 16px; display: flex; justify-content: space-between; align-items: center; } .cx-status-text { font-size: 13px; color: #666; background: #f0f0f0; padding: 4px 8px; border-radius: 4px; } .cx-btn-group { display: flex; gap: 12px; } `; // ================= 解密核心逻辑 ================= // 初始化解密表 function initDecryption() { try { const tableText = GM_getResourceText('Table'); if (tableText) { fontHashParams = JSON.parse(tableText); console.log('ChaoxingExtractor: 字体映射表加载成功, 条目数:', Object.keys(fontHashParams).length); } else { console.warn('ChaoxingExtractor: 字体映射表为空'); } } catch (e) { console.error('ChaoxingExtractor: 加载字体映射表失败', e); } } // 解析当前页面的加密字体 function parsePageFont() { // 优先查找包含 font-cxsecret 的 style 标签 // 很多时候字体定义在很长的 base64 串中 const styles = document.getElementsByTagName('style'); let fontBase64 = null; for (let style of styles) { const content = style.textContent; if (content.includes('font-cxsecret') && content.includes('base64,')) { // 正则提取 base64 内容，兼容换行和不同结束符 const match = content.match(/base64,([\w\W]+?)'/); if (match && match[1]) { fontBase64 = match[1]; break; } } } if (fontBase64) { try { // 处理 Base64 const binary_string = window.atob(fontBase64); const len = binary_string.length; const bytes = new Uint8Array(len); for (let i = 0; i < len; i++) { bytes[i] = binary_string.charCodeAt(i); } // Typr 解析 const font = Typr.parse(bytes)[0]; currentFontData = font; fontLoaded = true; console.log('ChaoxingExtractor: 页面加密字体解析成功'); } catch (e) { console.error('ChaoxingExtractor: 解析字体出错', e); fontLoaded = false; } } else { console.log('ChaoxingExtractor: 未在页面找到加密字体 (font-cxsecret) 或已无需解密'); fontLoaded = false; } } // 获取MD5函数 function getMd5Fn() { // 兼容各种加载方式 if (typeof md5 === 'function') return md5; if (typeof Typr !== 'undefined' && typeof Typr.md5 === 'function') return Typr.md5; if (window.md5) return window.md5; return null; } // 将文本中的乱码解密 (关键修复) function decryptText(text) { if (!text) return ""; // 如果没有字体数据或者映射表，直接返回原文本 if (!fontHashParams || !currentFontData) return text; const md5Fn = getMd5Fn(); if (!md5Fn) { console.warn('ChaoxingExtractor: 未找到MD5函数，无法解密'); return text; } let result = ""; for (let i = 0; i < text.length; i++) { const char = text[i]; const code = char.charCodeAt(0); // 尝试获取字形索引 const glyphIndex = Typr.U.codeToGlyph(currentFontData, code); // 如果 glyphIndex > 0，说明这个字符在这个自定义字体里有定义 if (glyphIndex > 0) { // 获取字形路径 const path = Typr.U.glyphToPath(currentFontData, glyphIndex); if (path) { const pathStr = JSON.stringify(path); // 【关键修复】：参考“字体解密.js”，需要 slice(24) 截取后8位 const hash = md5Fn(pathStr).slice(24); // 查找 hash 对应的文字 let match = fontHashParams[hash]; if (match) { // 映射表中存储的是 unicode 编码 (int)，需要转回字符 // 有些表存的是字符，有些是int，做个兼容 if (typeof match === 'number') { result += String.fromCharCode(match); } else { result += match; } continue; // 找到替换，跳过原字符 } } } // 没找到或者不用替换，保留原字符 result += char; } return result; } // ================= 提取逻辑 ================= function extractContent() { // 每次提取前尝试刷新一下字体解析 parsePageFont(); const questions = document.querySelectorAll('.TiMu'); if (questions.length === 0) return null; let resultText = ""; // 用于导出 Word 的 HTML 结构 let rawHtml = ` 学习通习题导出

学习通习题导出

`; questions.forEach((q, index) => { // --- 题目 --- let titleDiv = q.querySelector('.Zy_TItle .clearfix') || q.querySelector('.Zy_TItle') || q.querySelector('.newZy_TItle') || q.querySelector('.fontLabel'); // 兼容更多选择器 // 深度清理文本，处理可能存在的隐藏元素 let titleText = titleDiv ? titleDiv.innerText.replace(/\s+/g, ' ').trim() : "未找到题目"; // 【解密】 titleText = decryptText(titleText); resultText += `【${index + 1}】 ${titleText}\n`; rawHtml += `

【${index + 1}】 ${titleText}

${optText}${mark}

${answerBlockText}

`; } else { rawHtml += ``; } } else { rawHtml += ``; } resultText += "\n----------------------------------------\n\n"; }); rawHtml += ""; return { text: resultText, html: rawHtml, count: questions.length }; } // ================= 导出功能函数 ================= // 获取动态文件名 function getExportFileName(extension) { let name = "学习通题目"; // 优先尝试用户指定的选择器 const userSelector = document.querySelector("#RightCon > div.radiusBG > div > div.ceyan_name > h3"); // 备用选择器 const fallbackSelector = document.querySelector(".ceyan_name h3") || document.querySelector("h3"); const target = userSelector || fallbackSelector; if (target && target.innerText) { name = target.innerText.replace(/\s+/g, ' ').trim(); } else if (document.title) { name = document.title.replace(/\s+/g, ' ').trim(); } // 去除文件名非法字符 name = name.replace(/[\\/:*?"<>|]/g, "_"); const date = new Date(); const timeStr = `${date.getMonth()+1}月${date.getDate()}日`; return `${name}_${timeStr}.${extension}`; } function exportToWord(htmlContent) { const blob = new Blob(['\ufeff', htmlContent], { type: 'application/msword' }); const url = URL.createObjectURL(blob); const link = document.createElement('a'); link.href = url; link.download = getExportFileName('doc'); document.body.appendChild(link); link.click(); document.body.removeChild(link); URL.revokeObjectURL(url); } function exportToTxt(textContent) { const blob = new Blob([textContent], { type: 'text/plain;charset=utf-8' }); const url = URL.createObjectURL(blob); const link = document.createElement('a'); link.href = url; link.download = getExportFileName('txt'); document.body.appendChild(link); link.click(); document.body.removeChild(link); URL.revokeObjectURL(url); } function showModal(data) { let modal = document.getElementById('cx-preview-modal'); // 状态文本 const statusStr = `字体解密状态: ${fontLoaded ? '✅ 字体已解析' : '⚠️ 无加密字体'} | 映射表: ${fontHashParams ? '✅ 已加载' : '❌ 未加载'}`; if (!modal) { const modalHtml = ` `; document.body.insertAdjacentHTML('beforeend', modalHtml); modal = document.getElementById('cx-preview-modal'); // 绑定事件 document.getElementById('cx-copy-btn').onclick = () => { const text = document.getElementById('cx-preview-text').value; GM_setClipboard(text); // 简单的提示动画 const btn = document.getElementById('cx-copy-btn'); const originalText = btn.innerText; btn.innerText = '已复制！'; btn.style.backgroundColor = '#52c41a'; setTimeout(() => { btn.innerText = originalText; btn.style.backgroundColor = ''; }, 1500); }; document.getElementById('cx-word-btn').onclick = () => { const currentData = extractContent(); // 重新获取以防变动 if(currentData) exportToWord(currentData.html); }; document.getElementById('cx-txt-btn').onclick = () => { const currentData = extractContent(); if(currentData) exportToTxt(currentData.text); }; // 点击遮罩关闭 modal.onclick = (e) => { if (e.target === modal) modal.style.display = 'none'; }; } else { // 更新状态 document.getElementById('cx-status-info').innerText = statusStr; } document.getElementById('cx-preview-text').value = data.text; modal.style.display = 'flex'; } // ================= 初始化 ================= function init() { // TiMu 是题目块，如果没有题目块则不显示按钮 const check = document.querySelectorAll('.TiMu'); if (check.length === 0) return; initDecryption(); parsePageFont(); const styleEl = document.createElement('style'); styleEl.innerHTML = styles; document.head.appendChild(styleEl); const toolPanel = document.createElement('div'); toolPanel.id = 'cx-tool-panel'; // 主按钮：提取并预览 const mainBtn = document.createElement('button'); mainBtn.className = 'cx-btn primary'; mainBtn.innerHTML = '📑 提取题目'; mainBtn.title = '点击提取本页所有题目、选项及答案并预览'; mainBtn.onclick = () => { const data = extractContent(); if (data) { showModal(data); } else { alert('未找到题目，请确保在测验页面内'); } }; // 快速下载按钮组 const downloadGroup = document.createElement('div'); downloadGroup.style.display = 'flex'; downloadGroup.style.gap = '5px'; // 按钮间距 const wordBtn = document.createElement('button'); wordBtn.className = 'cx-btn success'; wordBtn.style.flex = '1'; // 均分宽度 wordBtn.style.padding = '8px 5px'; wordBtn.innerHTML = '⬇️ Word'; wordBtn.title = '直接导出 Word 文档'; wordBtn.onclick = () => { const data = extractContent(); if (data) exportToWord(data.html); else alert('未找到题目'); }; const txtBtn = document.createElement('button'); txtBtn.className = 'cx-btn warning'; txtBtn.style.flex = '1'; // 均分宽度 txtBtn.style.padding = '8px 5px'; txtBtn.innerHTML = '⬇️ TXT'; txtBtn.title = '直接导出 TXT 文件'; txtBtn.onclick = () => { const data = extractContent(); if (data) exportToTxt(data.text); else alert('未找到题目'); }; downloadGroup.appendChild(wordBtn); downloadGroup.appendChild(txtBtn); toolPanel.appendChild(mainBtn); toolPanel.appendChild(downloadGroup); document.body.appendChild(toolPanel); } // 延时加载，确保页面元素特别是iframe加载完成 setTimeout(() => { if (document.readyState === 'complete') { init(); } else { window.addEventListener('load', init); } }, 2000); // 稍微延长等待时间 })();