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解锁超星学习通资料与课程中禁止下载的文档，突破下载限制，支持批量下载PDF、Word等课件资料
// ==UserScript==
// @name 超星文档下载解锁助手
// @namespace http://tampermonkey.net/
// @version 1.0
// @license MIT
// @description 解锁超星学习通资料与课程中禁止下载的文档，突破下载限制，支持批量下载PDF、Word等课件资料
// @author niechy
// @match https://mooc2-ans.chaoxing.com/mooc2-ans/coursedata/*
// @match https://mooc2-ans.chaoxing.com/ananas/modules/*
// @match https://mooc1.chaoxing.com/ananas/modules/*
// @grant GM_xmlhttpRequest
// @connect d0.ananas.chaoxing.com
// @connect d0.cldisk.com
// @connect s3.ananas.chaoxing.com
// @connect cs.ananas.chaoxing.com
// @connect mooc2-ans.chaoxing.com
// @connect *
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
// 判断页面类型
const PAGE_TYPE = {
COURSEDATA: location.pathname.includes('/coursedata/'), // 批量下载页面
MODULES: location.pathname.includes('/ananas/modules/') // 捕获页面
};
// 存储捕获到的下载信息
let downloadList = [];
// 批量下载状态
let batchDownloading = false;
let batchDownloadCancelled = false;
// 扫描页面上的文件列表
function scanPageFiles() {
const files = [];
const items = document.querySelectorAll('.dataBody_td[objectid]');
items.forEach(item => {
const objectid = item.getAttribute('objectid');
const dataname = item.getAttribute('dataname');
const type = item.getAttribute('type');
if (objectid && dataname) {
files.push({ objectid, filename: dataname, type });
}
});
return files;
}
// 获取文件下载信息
function fetchFileInfo(objectid) {
return new Promise((resolve, reject) => {
const url = `https://mooc2-ans.chaoxing.com/ananas/status/${objectid}?flag=normal&_dc=${Date.now()}`;
GM_xmlhttpRequest({
method: 'GET',
url: url,
headers: {
'Referer': location.href
},
onload: function(response) {
try {
const data = JSON.parse(response.responseText);
if (data.status === 'success' && data.download) {
resolve({
filename: data.filename,
download: data.download,
length: data.length,
objectid: data.objectid
});
} else {
reject(new Error('无下载链接'));
}
} catch (e) {
reject(e);
}
},
onerror: reject
});
});
}
// 下载文件为 Blob
function downloadFileAsBlob(url) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url: url,
responseType: 'blob',
headers: {
'Referer': location.href
},
onload: function(response) {
if (response.status === 200) {
resolve(response.response);
} else {
reject(new Error('下载失败: ' + response.status));
}
},
onerror: reject
});
});
}
// 批量下载
async function batchDownload() {
if (batchDownloading) {
alert('正在下载中，请稍候...');
return;
}
const pageFiles = scanPageFiles();
if (pageFiles.length === 0) {
alert('未在页面上找到可下载的文件');
return;
}
batchDownloading = true;
batchDownloadCancelled = false;
const progressPanel = showProgressPanel(pageFiles.length);
try {
let successCount = 0;
let failCount = 0;
for (let i = 0; i < pageFiles.length; i++) {
// 检查是否被取消
if (batchDownloadCancelled) {
updateProgress(progressPanel, i, pageFiles.length, '',
`已取消! 成功: ${successCount}, 失败: ${failCount}`, true);
return;
}
const file = pageFiles[i];
updateProgress(progressPanel, i + 1, pageFiles.length, file.filename, '获取下载链接...');
try {
// 获取下载信息
const info = await fetchFileInfo(file.objectid);
// 再次检查是否被取消
if (batchDownloadCancelled) {
updateProgress(progressPanel, i + 1, pageFiles.length, '',
`已取消! 成功: ${successCount}, 失败: ${failCount}`, true);
return;
}
updateProgress(progressPanel, i + 1, pageFiles.length, info.filename, '下载中...');
// 下载文件
const blob = await downloadFileAsBlob(info.download);
// 再次检查是否被取消
if (batchDownloadCancelled) {
updateProgress(progressPanel, i + 1, pageFiles.length, '',
`已取消! 成功: ${successCount}, 失败: ${failCount}`, true);
return;
}
// 直接触发下载
const blobUrl = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = blobUrl;
a.download = info.filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(blobUrl);
successCount++;
updateProgress(progressPanel, i + 1, pageFiles.length, info.filename, '完成');
} catch (e) {
console.error('[超星下载助手] 下载失败:', file.filename, e);
failCount++;
updateProgress(progressPanel, i + 1, pageFiles.length, file.filename, '失败');
}
// 添加延迟避免请求过快，也让浏览器有时间处理下载
await new Promise(r => setTimeout(r, 800));
}
updateProgress(progressPanel, pageFiles.length, pageFiles.length, '',
`完成! 成功: ${successCount}, 失败: ${failCount}`, true);
} catch (e) {
console.error('[超星下载助手] 批量下载错误:', e);
alert('批量下载出错: ' + e.message);
} finally {
batchDownloading = false;
}
}
// 显示进度面板
function showProgressPanel(total) {
const existingPanel = document.getElementById('cx-progress-panel');
if (existingPanel) existingPanel.remove();
const panel = document.createElement('div');
panel.id = 'cx-progress-panel';
panel.style.cssText = `
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background: white;
border-radius: 12px;
box-shadow: 0 4px 30px rgba(0,0,0,0.3);
z-index: 1000000;
width: 400px;
padding: 20px;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
`;
panel.innerHTML = `
<div style="font-size: 16px; font-weight: bold; margin-bottom: 15px;">批量下载进度</div>
<div id="cx-progress-bar-container" style="background: #eee; border-radius: 10px; height: 20px; overflow: hidden; margin-bottom: 10px;">
<div id="cx-progress-bar" style="background: linear-gradient(90deg, #4CAF50, #8BC34A); height: 100%; width: 0%; transition: width 0.3s;"></div>
</div>
<div id="cx-progress-text" style="font-size: 13px; color: #666;">准备中...</div>
<div id="cx-progress-file" style="font-size: 12px; color: #999; margin-top: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;"></div>
<button id="cx-cancel-btn" style="margin-top: 15px; padding: 8px 20px; background: #f44336; color: white; border: none; border-radius: 5px; cursor: pointer; width: 100%;">取消下载</button>
`;
document.body.appendChild(panel);
// 绑定取消按钮事件
const cancelBtn = panel.querySelector('#cx-cancel-btn');
cancelBtn.onclick = () => {
batchDownloadCancelled = true;
cancelBtn.disabled = true;
cancelBtn.textContent = '正在取消...';
cancelBtn.style.background = '#999';
};
return panel;
}
// 更新进度
function updateProgress(panel, current, total, filename, status, done = false) {
const bar = panel.querySelector('#cx-progress-bar');
const text = panel.querySelector('#cx-progress-text');
const fileEl = panel.querySelector('#cx-progress-file');
const percent = Math.round((current / total) * 100);
bar.style.width = percent + '%';
text.textContent = `${current}/${total} - ${status}`;
fileEl.textContent = filename;
if (done) {
// 隐藏取消按钮
const cancelBtn = panel.querySelector('#cx-cancel-btn');
if (cancelBtn) {
cancelBtn.style.display = 'none';
}
setTimeout(() => {
panel.innerHTML += `<button id="cx-close-progress" style="margin-top: 15px; padding: 8px 20px; background: #4CAF50; color: white; border: none; border-radius: 5px; cursor: pointer; width: 100%;">关闭</button>`;
panel.querySelector('#cx-close-progress').onclick = () => panel.remove();
}, 500);
}
}
// 创建下载按钮
function createDownloadButton() {
const btn = document.createElement('div');
btn.id = 'cx-download-btn';
btn.innerHTML = '📥 下载';
btn.style.cssText = `
position: fixed;
right: 20px;
bottom: 20px;
background: #4CAF50;
color: white;
padding: 12px 20px;
border-radius: 8px;
cursor: pointer;
z-index: 999999;
font-size: 14px;
font-weight: bold;
box-shadow: 0 4px 12px rgba(0,0,0,0.3);
transition: all 0.3s ease;
user-select: none;
`;
btn.onmouseover = () => btn.style.background = '#45a049';
btn.onmouseout = () => btn.style.background = '#4CAF50';
btn.onclick = showDownloadPanel;
document.body.appendChild(btn);
// 添加数量徽章
const badge = document.createElement('span');
badge.id = 'cx-download-badge';
badge.style.cssText = `
position: absolute;
top: -8px;
right: -8px;
background: #ff4444;
color: white;
border-radius: 50%;
width: 20px;
height: 20px;
font-size: 12px;
display: flex;
align-items: center;
justify-content: center;
display: none;
`;
btn.style.position = 'fixed';
btn.appendChild(badge);
}
// 更新徽章数量
function updateBadge() {
const badge = document.getElementById('cx-download-badge');
if (badge) {
if (downloadList.length > 0) {
badge.textContent = downloadList.length;
badge.style.display = 'flex';
} else {
badge.style.display = 'none';
}
}
}
// 显示下载面板
function showDownloadPanel() {
// 移除已存在的面板
const existingPanel = document.getElementById('cx-download-panel');
if (existingPanel) {
existingPanel.remove();
return;
}
const panel = document.createElement('div');
panel.id = 'cx-download-panel';
panel.style.cssText = `
position: fixed;
right: 20px;
bottom: 80px;
background: white;
border-radius: 12px;
box-shadow: 0 4px 20px rgba(0,0,0,0.3);
z-index: 999998;
width: 320px;
max-height: 400px;
overflow: hidden;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
`;
const header = document.createElement('div');
header.style.cssText = `
padding: 15px;
background: ${PAGE_TYPE.COURSEDATA ? 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)' : '#4CAF50'};
color: white;
font-weight: bold;
font-size: 14px;
display: flex;
justify-content: space-between;
align-items: center;
`;
header.innerHTML = `<span>${PAGE_TYPE.COURSEDATA ? '批量下载' : '捕获下载'}</span>`;
panel.appendChild(header);
// coursedata 页面：只显示批量下载
if (PAGE_TYPE.COURSEDATA) {
const batchArea = document.createElement('div');
batchArea.style.cssText = `
padding: 15px;
`;
const pageFiles = scanPageFiles();
batchArea.innerHTML = `
<div style="font-size: 13px; color: #666; margin-bottom: 12px; text-align: center;">
页面检测到 <strong style="color: #667eea; font-size: 18px;">${pageFiles.length}</strong> 个文件
</div>
<button id="cx-batch-download-btn" style="
width: 100%;
padding: 12px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border: none;
border-radius: 8px;
cursor: pointer;
font-size: 15px;
font-weight: bold;
transition: transform 0.2s, box-shadow 0.2s;
">
批量下载
</button>
`;
panel.appendChild(batchArea);
// 绑定批量下载事件
setTimeout(() => {
const batchBtn = document.getElementById('cx-batch-download-btn');
if (batchBtn) {
batchBtn.onmouseover = () => {
batchBtn.style.transform = 'scale(1.02)';
batchBtn.style.boxShadow = '0 4px 12px rgba(102, 126, 234, 0.4)';
};
batchBtn.onmouseout = () => {
batchBtn.style.transform = 'scale(1)';
batchBtn.style.boxShadow = 'none';
};
batchBtn.onclick = () => {
panel.remove();
batchDownload();
};
}
}, 0);
}
// modules 页面：只显示捕获的文件列表
if (PAGE_TYPE.MODULES) {
const content = document.createElement('div');
content.style.cssText = `
max-height: 300px;
overflow-y: auto;
padding: 10px;
`;
if (downloadList.length === 0) {
content.innerHTML = `
<div style="padding: 30px 15px; text-align: center; color: #999;">
<div style="font-size: 40px; margin-bottom: 10px;">📭</div>
<div style="font-size: 13px;">暂无已捕获文件</div>
<div style="font-size: 11px; margin-top: 5px;">浏览文档时会自动捕获下载链接</div>
</div>
`;
} else {
downloadList.forEach((item) => {
const fileItem = document.createElement('div');
fileItem.style.cssText = `
padding: 10px;
border-bottom: 1px solid #eee;
cursor: pointer;
transition: background 0.2s;
display: flex;
align-items: center;
gap: 10px;
`;
fileItem.onmouseover = () => fileItem.style.background = '#f5f5f5';
fileItem.onmouseout = () => fileItem.style.background = 'white';
const icon = item.filename.endsWith('.pdf') ? '📄' : '📝';
fileItem.innerHTML = `
<span style="font-size: 20px;">${icon}</span>
<div style="flex: 1; overflow: hidden;">
<div style="font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;">
${item.filename}
</div>
<div style="font-size: 11px; color: #999;">
${formatSize(item.length)}
</div>
</div>
<span style="color: #4CAF50; font-size: 18px;">⬇</span>
`;
fileItem.onclick = () => {
downloadFile(item.download, item.filename);
};
content.appendChild(fileItem);
});
}
panel.appendChild(content);
}
// 关闭按钮
const closeBtn = document.createElement('div');
closeBtn.style.cssText = `
position: absolute;
top: 10px;
right: 10px;
cursor: pointer;
color: white;
font-size: 18px;
`;
closeBtn.textContent = '✕';
closeBtn.onclick = (e) => {
e.stopPropagation();
panel.remove();
};
panel.appendChild(closeBtn);
document.body.appendChild(panel);
}
// 格式化文件大小
function formatSize(bytes) {
if (!bytes) return '未知大小';
if (bytes < 1024) return bytes + ' B';
if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
return (bytes / (1024 * 1024)).toFixed(1) + ' MB';
}
// 下载文件
function downloadFile(url, filename) {
console.log('[超星下载助手] 开始下载:', filename, url);
GM_xmlhttpRequest({
method: 'GET',
url: url,
responseType: 'blob',
headers: {
'Referer': location.href
},
onload: function(response) {
if (response.status === 200) {
// 创建 blob 并下载
const blob = response.response;
const blobUrl = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = blobUrl;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(blobUrl);
console.log('[超星下载助手] 下载完成:', filename);
} else {
console.error('[超星下载助手] 下载失败:', response.status);
alert('下载失败: ' + response.status + '\n尝试使用 window.open 方式...');
window.open(url);
}
},
onerror: function(error) {
console.error('[超星下载助手] 请求错误:', error);
alert('请求错误，尝试使用 window.open 方式...');
window.open(url);
}
});
}
// 处理捕获到的响应数据
function handleResponse(data, url) {
try {
if (data && data.status === 'success' && data.download) {
// 检查是否已存在
const exists = downloadList.some(item => item.objectid === data.objectid);
if (!exists) {
downloadList.push({
filename: data.filename || '未知文件',
download: data.download,
pdf: data.pdf,
length: data.length,
objectid: data.objectid
});
updateBadge();
console.log('[超星下载助手] 捕获到文件:', data.filename);
}
}
} catch (e) {
// 忽略解析错误
}
}
// 拦截 fetch 请求
const originalFetch = window.fetch;
window.fetch = async function(...args) {
const response = await originalFetch.apply(this, args);
const url = args[0]?.url || args[0];
if (typeof url === 'string' && url.includes('/ananas/status/')) {
try {
const clone = response.clone();
const data = await clone.json();
handleResponse(data, url);
} catch (e) {
// 忽略错误
}
}
return response;
};
// 拦截 XMLHttpRequest
const originalXHROpen = XMLHttpRequest.prototype.open;
const originalXHRSend = XMLHttpRequest.prototype.send;
XMLHttpRequest.prototype.open = function(method, url, ...rest) {
this._url = url;
return originalXHROpen.apply(this, [method, url, ...rest]);
};
XMLHttpRequest.prototype.send = function(...args) {
this.addEventListener('load', function() {
if (this._url && this._url.includes('/ananas/status/')) {
try {
const data = JSON.parse(this.responseText);
handleResponse(data, this._url);
} catch (e) {
// 忽略错误
}
}
});
return originalXHRSend.apply(this, args);
};
// 初始化
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', createDownloadButton);
} else {
createDownloadButton();
}
console.log('[超星下载助手] 已启动，等待捕获文档...');
})();