自动转换预览图URL并下载PDF文件（带时间命名）
// ==UserScript==
// @name 超星学习通课件PDF下载助手「2026」
// @namespace http://tampermonkey.net/
// @version 1.3
// @description 自动转换预览图URL并下载PDF文件（带时间命名）
// @author MOFAN---QQ3078329197
// @match *://s3.ananas.chaoxing.com/sv-w*/doc/*/thumb/1.png
// @match *://s3.cldisk.com/sv-w*/doc/*/thumb/1.png
// @match *://s3.cldisk.com/sv-w*/doc/*/pdf/*.pdf
// @match *://s3.ananas.chaoxing.com/sv-w*/doc/*/pdf/*.pdf
// @grant none
// @run-at document-idle
// ==/UserScript==
(function() {
'use strict';
// 第一部分：URL转换功能
const imagePattern = /^(https:\/\/s3\.(?:ananas\.chaoxing\.com|cldisk\.com)\/sv-w\d+\/doc\/.+)\/([a-f0-9]{32})\/thumb\/1\.png$/i;
const imageMatch = window.location.href.match(imagePattern);
// 如果是预览图URL，转换到PDF页面
if (imageMatch) {
const basePath = imageMatch[1];
const docId = imageMatch[2];
const newUrl = `${basePath}/${docId}/pdf/${docId}.pdf`;
window.location.replace(newUrl);
return; // 停止后续执行
}
// 第二部分：PDF下载功能
const pdfPattern = /^(https:\/\/s3\.(?:ananas\.chaoxing\.com|cldisk\.com)\/sv-w\d+\/doc\/.+\/pdf\/[a-f0-9]{32}\.pdf)$/i;
const pdfMatch = window.location.href.match(pdfPattern);
// 如果是PDF页面URL，设置下载UI
if (pdfMatch) {
// 添加UI样式
const style = document.createElement('style');
style.textContent = `
#cx-pdf-download-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(255,255,255,0.98);
z-index: 999999;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
text-align: center;
color: #2c3e50;
}
.download-card {
width: 85%;
max-width: 500px;
background: white;
border-radius: 20px;
padding: 35px 30px;
box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
border-top: 4px solid #3498db;
position: relative;
overflow: hidden;
transform: scale(0.95);
animation: cardEntrance 0.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}
@keyframes cardEntrance {
0% { transform: translateY(30px) scale(0.95); opacity: 0; }
100% { transform: translateY(0) scale(1); opacity: 1; }
}
.download-decoration {
position: absolute;
top: -50px;
right: -50px;
width: 150px;
height: 150px;
background: radial-gradient(circle, rgba(52, 152, 219, 0.1) 0%, rgba(0,0,0,0) 70%);
border-radius: 50%;
}
.download-icon {
width: 85px;
height: 85px;
margin: 0 auto 15px;
background: linear-gradient(135deg, #3498db, #2c81c9);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
position: relative;
box-shadow: 0 8px 25px rgba(52, 152, 219, 0.25);
animation: pulse 2s infinite;
}
.download-icon svg {
width: 35px;
height: 35px;
fill: white;
}
.download-title {
font-size: 26px;
font-weight: 700;
color: #2c3e50;
margin-bottom: 10px;
}
.download-subtitle {
font-size: 16px;
color: #7f8c8d;
margin-bottom: 25px;
line-height: 1.4;
}
.file-info-section {
background: rgba(52, 152, 219, 0.07);
border-radius: 15px;
padding: 18px;
margin: 20px 0;
border: 1px dashed rgba(52, 152, 219, 0.15);
}
.file-name {
font-size: 18px;
font-weight: 600;
word-break: break-all;
margin: 10px 0;
color: #2c3e50;
padding: 10px;
background: rgba(255, 255, 255, 0.9);
border-radius: 10px;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}
.source-info {
font-size: 14px;
color: #7f8c8d;
margin-top: 12px;
}
.countdown-section {
margin: 25px 0;
}
.countdown-number {
font-size: 50px;
font-weight: 800;
color: #3498db;
margin: 15px 0;
text-shadow: 0 4px 10px rgba(52, 152, 219, 0.2);
}
.countdown-label {
font-size: 16px;
margin-bottom: 20px;
color: #7f8c8d;
}
.progress-bar {
width: 100%;
height: 6px;
background: #e3eaef;
border-radius: 4px;
overflow: hidden;
margin: 25px 0;
}
.progress-fill {
height: 100%;
background: linear-gradient(90deg, #3498db, #2ecc71);
border-radius: 4px;
width: 0%;
transition: width 0.5s ease;
}
.status-message {
margin-top: 20px;
padding: 8px 18px;
background: rgba(52, 152, 219, 0.1);
border-radius: 16px;
display: inline-block;
font-size: 14px;
color: #3498db;
font-weight: 500;
}
.error-message {
background: rgba(231, 76, 60, 0.1);
color: #e74c3c;
}
@keyframes pulse {
0% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.5); }
70% { box-shadow: 0 0 0 15px rgba(52, 152, 219, 0); }
100% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0); }
}
.time-format-info {
background: rgba(241, 196, 15, 0.1);
border-radius: 8px;
padding: 8px 15px;
font-size: 13px;
color: #e67e22;
margin-top: 10px;
display: inline-block;
}
/* 广告区域样式 */
.ad-container {
display: flex;
justify-content: center;
gap: 10px;
margin: 15px 0;
width: 100%;
}
.ad-text {
font-size: 14px;
color: #3498db;
padding: 8px 12px;
background: rgba(241, 196, 15, 0.15);
border-radius: 30px;
transition: all 0.3s;
flex: 1;
max-width: 220px;
text-align: center;
}
.ad-button {
background: linear-gradient(135deg, #2ecc71, #27ae60);
color: white;
border: none;
border-radius: 24px;
padding: 9px 20px;
font-size: 14px;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
box-shadow: 0 4px 10px rgba(46, 204, 113, 0.35);
text-decoration: none;
white-space: nowrap;
}
.ad-button:hover {
transform: translateY(-2px);
box-shadow: 0 6px 15px rgba(46, 204, 113, 0.45);
background: linear-gradient(135deg, #27ae60, #2ecc71);
}
`;
document.head.appendChild(style);
// 生成时间格式的文件名
function getTimeBasedFilename() {
const now = new Date();
const year = now.getFullYear();
const month = now.getMonth() + 1;
const day = now.getDate();
const hours = now.getHours();
const minutes = now.getMinutes();
const seconds = now.getSeconds();
return `${year}.${month}.${day}.${hours}.${minutes}.${seconds}.pdf`;
}
// 创建下载UI
function createDownloadUI() {
if (document.getElementById('cx-pdf-download-overlay')) return;
const overlay = document.createElement('div');
overlay.id = 'cx-pdf-download-overlay';
// 生成新的基于时间的文件名
const timeBasedFilename = getTimeBasedFilename();
overlay.innerHTML = `
<div class="download-card">
<div class="download-decoration"></div>
<div class="download-icon">
<svg viewBox="0 0 24 24">
<path d="M5,20H19V18H5M19,9H15V3H9V9H5L12,17L19,9Z"/>
</svg>
</div>
<h1 class="download-title">超星文档下载器</h1>
<p class="download-subtitle">PDF将按当前时间自动命名</p>
<div class="file-info-section">
<div class="source-info">即将下载的文件：</div>
<div class="file-name" id="time-based-filename">${timeBasedFilename}</div>
<div class="source-info">来源：${getFileSource()}</div>
<div class="time-format-info">文件名格式：年.月.日.时.分.秒.pdf</div>
</div>
<!-- 广告区域 -->
<div class="ad-container">
<div class="ad-text">刷课可以添加QQ3078329197</div>
<div class="ad-text">超低价格超级稳超级快</div>
<a href="https://qm.qq.com/q/ujXdqqP0sM" target="_blank" class="ad-button">点击立即添加</a>
</div>
<div class="countdown-section">
<div class="countdown-number" id="countdown-timer">3</div>
<div class="countdown-label">下载将在 <span id="seconds-remaining">3</span> 秒后开始</div>
<div class="progress-bar">
<div class="progress-fill" id="download-progress"></div>
</div>
</div>
<div class="status-message" id="status-message">准备中...</div>
</div>
`;
document.body.appendChild(overlay);
// 创建隐藏的下载链接
const downloadLink = document.createElement('a');
downloadLink.id = 'direct-download-link';
downloadLink.href = window.location.href;
downloadLink.download = timeBasedFilename;
downloadLink.style.display = 'none';
document.body.appendChild(downloadLink);
}
// 获取文件来源
function getFileSource() {
const hostname = window.location.hostname;
if (hostname.includes('ananas.chaoxing.com')) {
return '超星学习平台';
} else if (hostname.includes('cldisk.com')) {
return '超星云盘';
}
return '超星文档服务';
}
// 更新下载状态
function updateStatus(message) {
const statusEl = document.getElementById('status-message');
if (statusEl) {
statusEl.textContent = message;
}
}
// 启动倒计时
function startCountdown() {
const timerEl = document.getElementById('countdown-timer');
const secondsEl = document.getElementById('seconds-remaining');
const progressEl = document.getElementById('download-progress');
let seconds = 3;
const countdown = setInterval(() => {
seconds--;
if (timerEl) timerEl.textContent = seconds;
if (secondsEl) secondsEl.textContent = seconds;
const progress = 100 - (seconds / 3 * 100);
if (progressEl) progressEl.style.width = `${progress}%`;
updateStatus(`${seconds}秒后自动下载...`);
if (seconds <= 0) {
clearInterval(countdown);
triggerDownload();
}
}, 1000);
}
// 触发下载
function triggerDownload() {
updateStatus('正在启动下载...');
try {
// 使用隐藏的下载链接
const downloadLink = document.getElementById('direct-download-link');
if (downloadLink) {
// 在触发前更新时间
const newFilename = getTimeBasedFilename();
downloadLink.download = newFilename;
document.getElementById('time-based-filename').textContent = newFilename;
downloadLink.click();
updateStatus('下载已启动！请查看浏览器下载');
// 2秒后关闭弹窗
setTimeout(() => {
const overlay = document.getElementById('cx-pdf-download-overlay');
if (overlay) {
overlay.style.opacity = '0';
overlay.style.transform = 'scale(0.95)';
setTimeout(() => overlay.remove(), 400);
}
}, 1500);
} else {
throw new Error('无法找到下载链接');
}
} catch (e) {
updateStatus('错误: ' + e.message);
console.error('下载错误:', e);
}
}
// 主函数
function main() {
// 创建UI
createDownloadUI();
// 启动3秒倒计时
setTimeout(() => {
startCountdown();
}, 500);
}
// 延迟执行以确保页面加载
setTimeout(main, 800);
}
})();