// ==UserScript==
// @name 超星学习通（个人版）助手（支持配课程）
// @version 3.2
// @authon grb
// @description 超星学习通个人版助手(本工具全面支持章节测试、文档学习、直播课程、作业及考试等多种学习场景。采用一键启动脚本，单页面全自动运行，支持最小化后台运行且任务不中断。其运行过程不占用网速与流量，开热点亦可流畅使用。内置题库，题目覆盖率高达9.999%，涵盖单选、多选、填空、判断及图片题、编程题、听力题等多种题型。题目答案实时更新收录，助您轻松掌握知识点，高效拿高分。)其它课程联系站长群：967409707
// @author You
// @match https://mooc1.chaoxing.com/mooc-ans/knowledge/cards*
// @match https://mooc1.chaoxing.com/mycourse/studentstudy*
// @match https://*.chaoxing.com/*
// @match *://*.chaoxing.com/*
// @match *://*.edu.cn/*
// @match *://*.nbdlib.cn/*
// @match *://*.hnsyu.net/*
// @match *://*.gdhkmooc.com/*
// @match *://*.zhihuishu.com/*
// @match *://*.tmall.com/*
// @match *://chaoshi.detail.tmall.com/*
// @match *://*.tmall.hk/*
// @match *://*.liangxinyao.com/*
// @match *://*.jd.com/*
// @match *://*.jd.hk/*
// @match *://*.jkcsjd.com/*
// @match *://*.yiyaojd.com/*
// @match *://*.vip.com/*
// @match *://*.uai.unipus.cn/*
// @match *://*.u.unipus.cn/*
// @match *://*.mooc.yinghuaonline.com/user/login/*
// @match *://*.mooc.yinghuaonline.com/*
// @match *://*.www.qingshuxuetang.com/*
// @match *://*.www.buu.edu.cn/*
// @match *://*.www.pmphmooc.com/*
// @match *://*.vipglobal.hk/*
// @match *://*.welearn.sflep.com/*
// @match *://*.www.ouchn.edu.cn/*
// @exclude *://login.tmall.com/*
// @exclude *://pages.tmall.com/*
// @exclude *://wq.jd.com/*
// @grant unsafeWindow
// @grant GM_xmlhttpRequest
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_info
// @grant GM_openInTab
// @connect chaoxing.com
// @connect p1.learn.tsinghua.edu.cn
// @connect p2.learn.tsinghua.edu.cn
// @connect p3.learn.tsinghua.edu.cn
// @connect p4.edu.cn
// @connect p5.edu.cn
// @connect p6.edu.cn
// @antifeature ads
// @require https://cdn.bootcdn.net/ajax/libs/jquery/3.7.1/jquery.min.js
// @source https://qinghy.top
// @antifeature payment 答疑收费
// ==/UserScript==
(function() {
'use strict';
class ChaoxingVideoAnalyzer {
constructor() {
this.pageParams = this.extractPageParams();
this.videoSources = [];
this.currentPlayingVideo = null;
this.videoPlayer = null;
this.settings = {
showBox: 1,
video: 1,
rate: 1,
reportInterval: 60,
showProgressBar: 1,
videoMode: 'simulate'
};
this.knowledgeData = null;
this.courseProgress = null;
this.isAutoPlayActive = false;
this.init();
}
extractPageParams() {
const url = new URL(window.location.href);
return {
clazzid: url.searchParams.get('clazzid'),
courseid: url.searchParams.get('courseid'),
knowledgeid: url.searchParams.get('knowledgeid'),
num: url.searchParams.get('num'),
ut: url.searchParams.get('ut'),
cpi: url.searchParams.get('cpi'),
v: url.searchParams.get('v'),
mooc2: url.searchParams.get('mooc2'),
isMicroCourse: url.searchParams.get('isMicroCourse'),
editorPreview: url.searchParams.get('editorPreview')
};
}
init() {
this.loadSettings();
this.createUI();
this.setupEventListeners();
this.initPageDetection();
this.analyzePageContent();
console.log('超星学习通视频分析播放器已启动', this.pageParams);
}
loadSettings() {
const savedVideoMode = GM_getValue('videoMode', 'simulate');
const savedRate = GM_getValue('videoRate', 1);
const savedShowProgressBar = GM_getValue('showProgressBar', 1);
this.settings.videoMode = savedVideoMode;
this.settings.rate = savedRate;
this.settings.showProgressBar = savedShowProgressBar;
}
createUI() {
// 创建浮动按钮
const floatBtn = document.createElement('div');
floatBtn.id = 'chaoxing-video-analyzer-btn';
floatBtn.innerHTML = '🎥 视频分析器';
floatBtn.style.cssText = `
position: fixed;
bottom: 100px;
right: 20px;
z-index: 999999;
width: 80px;
height: 80px;
background: linear-gradient(135deg, #3498db, #2980b9);
color: white;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 11px;
font-weight: bold;
cursor: pointer;
box-shadow: 0 4px 15px rgba(0,0,0,0.3);
transition: all 0.3s ease;
user-select: none;
`;
floatBtn.addEventListener('mouseenter', () => {
floatBtn.style.transform = 'scale(1.1)';
});
floatBtn.addEventListener('mouseleave', () => {
floatBtn.style.transform = 'scale(1)';
});
document.body.appendChild(floatBtn);
// 创建主界面
const mainUI = document.createElement('div');
mainUI.id = 'chaoxing-video-analyzer-main-ui';
mainUI.style.cssText = `
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0,0,0,0.9);
z-index: 999998;
display: none;
justify-content: center;
align-items: center;
font-family: 'Microsoft YaHei', Arial, sans-serif;
color: white;
`;
mainUI.innerHTML = `
百家网课助手
视频与播放|在线客服群：967409707
支持免费视频刷 、超星学习通 、智慧树、 U校园/AI 、 MOOC 、继续教育类 、优课学堂 、考试 、 青书学堂 、 优学院 、 AI解答
学习强国、中国大学mooc 、 智慧职教 、 WeLearn、 知到 、 乐跑、世界运动、阳光跑 、自动刷课、大学生课程、毕业论文降重、教师等等课程提供学习
页面参数: 等待加载...
页面分析结果:红帽子:站长QQ：417545796
检测到的视频资源
视频播放控制
请选择要播放的视频
操作说明
- 页面参数已自动提取: clazzid, courseid, knowledgeid等
- 点击"重新分析"刷新页面内容扫描
- "仅显示MP4"过滤非MP4格式视频
- 支持批量下载和自动播放功能
就绪 - 等待分析页面内容
`;
document.body.appendChild(mainUI);
// 更新页面参数显示
this.updatePageParamsDisplay();
}
updatePageParamsDisplay() {
const paramsDiv = document.getElementById('page-params-display');
paramsDiv.innerHTML = `
获取课程ID:
class=${this.pageParams.clazzid},
course=${this.pageParams.courseid},
knowledge=${this.pageParams.knowledgeid},
num=${this.pageParams.num}
`;
}
setupEventListeners() {
// 按钮事件
document.getElementById('chaoxing-video-analyzer-btn').addEventListener('click', () => {
document.getElementById('chaoxing-video-analyzer-main-ui').style.display = 'flex';
setTimeout(() => {
this.analyzePageContent();
}, 100);
});
document.getElementById('close-ui-btn').addEventListener('click', () => {
document.getElementById('chaoxing-video-analyzer-main-ui').style.display = 'none';
});
document.getElementById('analyze-page-btn').addEventListener('click', () => {
this.analyzePageContent();
});
document.getElementById('fetch-knowledge-btn').addEventListener('click', () => {
this.fetchKnowledgeData();
});
document.getElementById('play-selected-btn').addEventListener('click', () => {
this.playSelectedVideo();
});
document.getElementById('auto-play-btn').addEventListener('click', () => {
this.startAutoPlay();
});
document.getElementById('extract-mp4-btn').addEventListener('click', () => {
this.extractMp4Links();
});
document.getElementById('download-btn').addEventListener('click', () => {
this.downloadSelectedVideo();
});
document.getElementById('batch-extract-btn').addEventListener('click', () => {
this.batchExtractVideos();
});
document.getElementById('test-links-btn').addEventListener('click', () => {
this.testAllLinks();
});
document.getElementById('filter-mp4-btn').addEventListener('click', () => {
this.filterMp4Videos();
});
document.getElementById('export-data-btn').addEventListener('click', () => {
this.exportVideoData();
});
// 播放控制事件
document.getElementById('play-btn').addEventListener('click', () => {
this.controlVideo('play');
});
document.getElementById('pause-btn').addEventListener('click', () => {
this.controlVideo('pause');
});
document.getElementById('stop-btn').addEventListener('click', () => {
this.controlVideo('stop');
});
document.getElementById('speed-select').addEventListener('change', (e) => {
this.setPlaybackSpeed(parseFloat(e.target.value));
});
}
initPageDetection() {
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', () => {
setTimeout(() => {
this.analyzePageContent();
}, 2000);
});
} else {
setTimeout(() => {
this.analyzePageContent();
}, 2000);
}
const observer = new MutationObserver(() => {
if (!this.lastAnalysisTime || Date.now() - this.lastAnalysisTime > 5000) {
setTimeout(() => {
if (document.getElementById('chaoxing-video-analyzer-main-ui').style.display === 'flex') {
this.analyzePageContent();
}
}, 3000);
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
}
async analyzePageContent() {
this.updateStatus('正在分析页面内容...');
try {
// 分析页面结构
const analysisResult = await this.analyzePageStructure();
this.updatePageAnalysis(analysisResult);
// 获取视频资源
const videos = await this.extractVideoResources();
this.videoSources = [...new Set([...this.videoSources, ...videos])];
this.videoSources = this.deduplicateVideos(this.videoSources);
this.updateVideoList();
this.updateVideoAnalysisDetails();
this.updateStatus(`分析完成，共找到 ${this.videoSources.length} 个视频资源`);
this.lastAnalysisTime = Date.now();
} catch (error) {
console.error('分析页面内容时出错:', error);
this.updateStatus(`分析失败: ${error.message}`);
}
}
async analyzePageStructure() {
const analysis = {
title: document.title,
url: window.location.href,
timestamp: new Date().toISOString(),
iframeCount: document.querySelectorAll('iframe').length,
videoElementCount: document.querySelectorAll('video').length,
scriptCount: document.querySelectorAll('script').length,
linkCount: document.querySelectorAll('link').length,
metaTags: Array.from(document.querySelectorAll('meta')).map(meta => ({
name: meta.name,
content: meta.content
})),
jsVariables: this.extractJsVariables(),
embeddedContent: this.extractEmbeddedContent()
};
return analysis;
}
extractJsVariables() {
const variables = [];
// 常见的视频相关变量名
const commonNames = [
'videoinfo', 'mediaInfo', 'courseVideo', 'video_config', 'enc', 'd', 'objectId',
'otherInfo', 'defaults', 'apiurl', 'vid', 'videoId', 'resource', 'content',
'courseware', 'chapter', 'lesson', 'task', 'workid', 'jobid', 'property',
'_jEncrypted', 'jEncrypted', 'defaults', 'def', 'api', 'video', 'player',
'currentVideo', 'videoObject', 'videoResource', 'courseData', 'knowledge',
'card', 'pageData', 'module', 'contentData'
];
for (const name of commonNames) {
try {
if (unsafeWindow[name]) {
variables.push({
name: name,
value: typeof unsafeWindow[name] === 'object' ? JSON.stringify(unsafeWindow[name], null, 2) : String(unsafeWindow[name]),
type: typeof unsafeWindow[name]
});
}
} catch (e) {
// 静默处理错误
}
}
return variables;
}
extractEmbeddedContent() {
const content = [];
// iframe 内容
const iframes = document.querySelectorAll('iframe[src*="chaoxing"], iframe[src*="edu"]');
iframes.forEach((iframe, index) => {
content.push({
type: 'iframe',
src: iframe.src,
id: iframe.id,
className: iframe.className
});
});
// script 标签内容
const scripts = document.querySelectorAll('script');
scripts.forEach((script, index) => {
if (script.textContent && script.textContent.includes('video')) {
content.push({
type: 'script',
content: script.textContent.substring(0, 200) + '...',
id: script.id
});
}
});
return content;
}
async extractVideoResources() {
const videos = [];
try {
// 1. 直接的video元素
const directVideos = await this.extractDirectVideoElements();
videos.push(...directVideos);
// 2. iframe中的视频
const iframeVideos = await this.extractIframeVideos();
videos.push(...iframeVideos);
// 3. JavaScript变量中的视频URL
const jsVideos = await this.extractJsVideoUrls();
videos.push(...jsVideos);
// 4. Ananas状态API的视频
const ananasVideos = await this.extractAnanasVideos();
videos.push(...ananasVideos);
// 5. 页面脚本中的视频链接
const scriptVideos = await this.extractScriptVideos();
videos.push(...scriptVideos);
// 6. 知识点相关的视频
const knowledgeVideos = await this.extractKnowledgeVideos();
videos.push(...knowledgeVideos);
} catch (error) {
console.error('提取视频资源时出错:', error);
}
return videos;
}
async extractDirectVideoElements() {
const videos = [];
const videoElements = document.querySelectorAll('video');
for (const [index, video] of videoElements.entries()) {
if (video.src) {
videos.push({
id: `direct-video-${index}`,
url: video.src,
name: `直接视频 ${index + 1}`,
type: 'direct-video',
duration: video.duration ? this.formatDuration(video.duration) : '未知',
size: '未知',
source: 'video-element',
quality: 'high',
timestamp: Date.now()
});
}
const sources = video.querySelectorAll('source');
for (const [sourceIndex, source] of sources.entries()) {
if (source.src) {
videos.push({
id: `source-video-${index}-${sourceIndex}`,
url: source.src,
name: `视频源 ${index + 1}-${sourceIndex + 1}`,
type: 'source-video',
duration: video.duration ? this.formatDuration(video.duration) : '未知',
size: '未知',
source: 'source-element',
quality: 'high',
timestamp: Date.now()
});
}
}
}
return videos;
}
async extractIframeVideos() {
const videos = [];
const iframes = document.querySelectorAll('iframe[src*="chaoxing"], iframe[src*="mooc"], iframe[src*="ananas"]');
for (const [index, iframe] of iframes.entries()) {
if (iframe.src && this.isValidVideoUrl(iframe.src)) {
videos.push({
id: `iframe-video-${index}`,
url: iframe.src,
name: `iframe视频 ${index + 1}`,
type: 'iframe-video',
duration: '未知',
size: '未知',
source: 'iframe-src',
quality: 'medium',
timestamp: Date.now()
});
}
}
return videos;
}
async extractJsVideoUrls() {
const videos = [];
const jsVars = this.extractJsVariables();
for (const jsVar of jsVars) {
if (typeof jsVar.value === 'string') {
// 提取URL
const urlMatches = jsVar.value.match(/https?:\/\/[^\s"'<>]*\.(mp4|m3u8|flv|avi|mov|wmv|webm)[^"'\s<>]*/gi) || [];
for (const urlMatch of urlMatches) {
videos.push({
id: `js-video-${Date.now()}-${Math.random()}`,
url: urlMatch,
name: `JS变量: ${jsVar.name}`,
type: 'js-url',
duration: '未知',
size: '未知',
source: 'js-variable',
quality: 'medium',
timestamp: Date.now()
});
}
// 提取ObjectId
const objectIdMatches = jsVar.value.match(/[0-9a-fA-F]{24}/g) || [];
for (const objectId of objectIdMatches) {
const videoUrl = `https://mooc1.chaoxing.com/ananas/status/${objectId}?flag=normal`;
videos.push({
id: `js-objectid-${objectId}`,
url: videoUrl,
name: `JS ObjectId: ${objectId.substring(0, 8)}...`,
type: 'js-objectid',
duration: '未知',
size: '未知',
source: 'js-objectid',
quality: 'high',
timestamp: Date.now()
});
}
}
}
return videos;
}
async extractAnanasVideos() {
const videos = [];
// 从页面文本中提取ObjectId
const pageText = document.documentElement.outerHTML;
const objectIdPattern = /[0-9a-fA-F]{24}/g;
let match;
while ((match = objectIdPattern.exec(pageText)) !== null) {
const objectId = match[0];
try {
const response = await this.fetchVideoStatus(objectId);
if (response && response.downloadUrl) {
videos.push({
id: `ananas-${objectId}`,
url: response.downloadUrl,
name: `Ananas视频: ${response.filename || objectId.substring(0, 8) + '...'}`,
type: 'ananas-video',
duration: response.duration || '未知',
size: response.size || '未知',
source: 'ananas-api',
quality: 'high',
timestamp: Date.now()
});
} else {
videos.push({
id: `ananas-basic-${objectId}`,
url: `https://mooc1.chaoxing.com/ananas/status/${objectId}?flag=normal`,
name: `Ananas基础: ${objectId.substring(0, 8)}...`,
type: 'ananas-basic',
duration: '未知',
size: '未知',
source: 'ananas-basic',
quality: 'medium',
timestamp: Date.now()
});
}
} catch (e) {
videos.push({
id: `ananas-fallback-${objectId}`,
url: `https://mooc1.chaoxing.com/ananas/status/${objectId}?flag=normal`,
name: `Ananas回退: ${objectId.substring(0, 8)}...`,
type: 'ananas-fallback',
duration: '未知',
size: '未知',
source: 'ananas-fallback',
quality: 'low',
timestamp: Date.now()
});
}
}
return videos;
}
async extractScriptVideos() {
const videos = [];
const scripts = document.querySelectorAll('script');
for (const script of scripts) {
if (script.textContent) {
// 查找视频URL
const urlRegex = /https?:\/\/[^\s"'<>]*\.(mp4|m3u8|flv|avi|mov|wmv|webm)[^"'\s<>]*/gi;
let urlMatch;
while ((urlMatch = urlRegex.exec(script.textContent)) !== null) {
videos.push({
id: `script-url-${Date.now()}-${Math.random()}`,
url: urlMatch[0],
name: '脚本发现URL',
type: 'script-url',
duration: '未知',
size: '未知',
source: 'script-content',
quality: 'medium',
timestamp: Date.now()
});
}
// 查找ObjectId
const objectIdRegex = /[0-9a-fA-F]{24}/g;
let objectIdMatch;
while ((objectIdMatch = objectIdRegex.exec(script.textContent)) !== null) {
const objectId = objectIdMatch[0];
const videoUrl = `https://mooc1.chaoxing.com/ananas/status/${objectId}?flag=normal`;
videos.push({
id: `script-objectid-${objectId}`,
url: videoUrl,
name: `脚本ObjectId: ${objectId.substring(0, 8)}...`,
type: 'script-objectid',
duration: '未知',
size: '未知',
source: 'script-content',
quality: 'high',
timestamp: Date.now()
});
}
}
}
return videos;
}
async extractKnowledgeVideos() {
const videos = [];
// 使用页面参数构建API请求
try {
// 从页面DOM中查找知识点相关的视频
const knowledgeCards = document.querySelectorAll('[data-knowledgeid], [data-cardid], [data-module]');
for (const card of knowledgeCards) {
// 查找卡片内的视频元素
const cardVideos = card.querySelectorAll('video, iframe[src*="video"], iframe[src*="chaoxing"]');
for (const video of cardVideos) {
if (video.src && this.isValidVideoUrl(video.src)) {
videos.push({
id: `knowledge-video-${Date.now()}-${Math.random()}`,
url: video.src,
name: `知识点视频: ${card.dataset.knowledgeid || 'unknown'}`,
type: 'knowledge-video',
duration: '未知',
size: '未知',
source: 'knowledge-card',
quality: 'high',
timestamp: Date.now()
});
}
}
}
} catch (error) {
console.error('提取知识点视频时出错:', error);
}
return videos;
}
async fetchVideoStatus(objectId) {
return new Promise((resolve) => {
GM_xmlhttpRequest({
method: 'GET',
url: `https://mooc1.chaoxing.com/ananas/status/${objectId}?flag=normal`,
onload: function(response) {
try {
const data = JSON.parse(response.responseText);
resolve(data);
} catch (e) {
resolve(null);
}
},
onerror: function(error) {
resolve(null);
}
});
});
}
async fetchKnowledgeData() {
this.updateStatus('正在获取知识点数据...');
try {
// 使用页面参数构建知识点API请求
const apiUrl = `https://mooc1.chaoxing.com/mooc-ans/knowledge/cards?clazzid=${this.pageParams.clazzid}&courseid=${this.pageParams.courseid}&knowledgeid=${this.pageParams.knowledgeid}&num=${this.pageParams.num}&ut=${this.pageParams.ut}&cpi=${this.pageParams.cpi}&v=${this.pageParams.v}`;
// 由于跨域限制，我们主要分析页面内容
const knowledgeData = {
clazzid: this.pageParams.clazzid,
courseid: this.pageParams.courseid,
knowledgeid: this.pageParams.knowledgeid,
num: this.pageParams.num,
ut: this.pageParams.ut,
cpi: this.pageParams.cpi,
v: this.pageParams.v,
timestamp: new Date().toISOString(),
pageContentLength: document.documentElement.outerHTML.length,
videoElements: document.querySelectorAll('video').length,
iframeElements: document.querySelectorAll('iframe').length
};
this.knowledgeData = knowledgeData;
this.updateStatus('知识点数据获取完成');
} catch (error) {
console.error('获取知识点数据失败:', error);
this.updateStatus(`获取知识点数据失败: ${error.message}`);
}
}
// 视频播放相关方法
playSelectedVideo() {
const selectedVideo = this.getSelectedVideo();
if (selectedVideo) {
this.playVideo(selectedVideo.url);
this.updateVideoInfo(selectedVideo);
} else {
this.updateStatus('请先选择一个视频');
}
}
async playVideo(videoUrl) {
const video = document.getElementById('preview-video');
if (!video) return;
try {
// 设置视频源
video.src = videoUrl;
video.load();
// 显示控制面板
document.getElementById('video-controls').style.display = 'block';
// 等待元数据加载
await new Promise((resolve, reject) => {
video.onloadedmetadata = () => resolve();
video.onerror = (e) => reject(e);
setTimeout(() => reject(new Error('视频加载超时')), 10000);
});
// 开始播放
await video.play();
this.currentPlayingVideo = videoUrl;
this.updateStatus('视频开始播放');
} catch (error) {
this.updateStatus(`播放失败: ${error.message}`);
console.error('视频播放错误:', error);
}
}
controlVideo(action) {
const video = document.getElementById('preview-video');
if (video) {
switch (action) {
case 'play':
video.play();
this.updateStatus('视频播放');
break;
case 'pause':
video.pause();
this.updateStatus('视频暂停');
break;
case 'stop':
video.pause();
video.currentTime = 0;
this.updateStatus('视频停止');
break;
}
}
}
setPlaybackSpeed(speed) {
const video = document.getElementById('preview-video');
if (video) {
video.playbackRate = speed;
this.updateStatus(`播放速度设置为 ${speed}x`);
}
}
startAutoPlay() {
if (this.videoSources.length === 0) {
this.updateStatus('没有可播放的视频');
return;
}
this.isAutoPlayActive = true;
this.updateStatus('开始自动播放模式');
this.autoPlayNextVideo(0);
}
async autoPlayNextVideo(index) {
if (!this.isAutoPlayActive || index >= this.videoSources.length) {
this.updateStatus('自动播放完成');
this.isAutoPlayActive = false;
return;
}
const video = this.videoSources[index];
this.updateStatus(`播放第 ${index + 1}/${this.videoSources.length} 个视频: ${video.name}`);
try {
await this.playVideo(video.url);
this.updateVideoInfo(video);
// 等待视频播放完成或用户中断
const videoElement = document.getElementById('preview-video');
await new Promise((resolve) => {
const checkComplete = () => {
if (videoElement.ended || !this.isAutoPlayActive) {
resolve();
} else {
setTimeout(checkComplete, 1000);
}
};
checkComplete();
});
// 继续播放下一个
if (this.isAutoPlayActive) {
setTimeout(() => this.autoPlayNextVideo(index + 1), 1000);
}
} catch (error) {
console.error('自动播放错误:', error);
if (this.isAutoPlayActive) {
// 继续播放下一个
setTimeout(() => this.autoPlayNextVideo(index + 1), 1000);
}
}
}
// UI更新方法
updatePageAnalysis(analysis) {
const container = document.getElementById('page-analysis');
if (!analysis) {
container.innerHTML = `
`;
return;
}
let html = `
页面标题: ${analysis.title}
页面URL: ${analysis.url.substring(0, 80)}${analysis.url.length > 80 ? '...' : ''}
时间戳: ${analysis.timestamp}
统计信息:
iframe数量: ${analysis.iframeCount}
video元素: ${analysis.videoElementCount}
script元素: ${analysis.scriptCount}
link元素: ${analysis.linkCount}
JavaScript变量: ${analysis.jsVariables.length} 个
${analysis.jsVariables.slice(0, 5).map(v => `${v.name}`).join(', ')}
${analysis.jsVariables.length > 5 ? `... 及 ${analysis.jsVariables.length - 5} 个更多` : ''}
嵌入内容: ${analysis.embeddedContent.length} 项
`;
container.innerHTML = html;
}
updateVideoInfo(video) {
const infoContainer = document.getElementById('video-info');
infoContainer.innerHTML = `
名称: ${video.name}
类型: ${video.type}
来源: ${video.source}
质量: ${video.quality}
时长: ${video.duration}
${video.url}
`;
}
updateVideoList(filter = null) {
const container = document.getElementById('video-list-container');
if (this.videoSources.length === 0) {
container.innerHTML = `
🎬
未找到视频资源
请尝试重新分析或检查页面是否已加载视频内容
`;
return;
}
let filteredVideos = this.videoSources;
if (filter) {
filteredVideos = this.videoSources.filter(video => filter(video));
}
let html = '';
filteredVideos.forEach((video, index) => {
html += `
${video.name}
来源: ${video.source} | 类型: ${video.type} | 质量: ${video.quality}
时长: ${video.duration} | 时间: ${new Date(video.timestamp).toLocaleString()}
${video.url.substring(0, 100)}${video.url.length > 100 ? '...' : ''}
`;
});
html += '
未找到视频资源
尝试重新分析或确保页面已完全加载
`;
return;
}
const stats = {
total: this.videoSources.length,
bySource: {},
byType: {},
byQuality: {},
mp4Count: 0,
m3u8Count: 0,
others: 0
};
this.videoSources.forEach(video => {
stats.bySource[video.source] = (stats.bySource[video.source] || 0) + 1;
stats.byType[video.type] = (stats.byType[video.type] || 0) + 1;
stats.byQuality[video.quality] = (stats.byQuality[video.quality] || 0) + 1;
if (video.url.includes('.mp4')) {
stats.mp4Count++;
} else if (video.url.includes('.m3u8')) {
stats.m3u8Count++;
} else {
stats.others++;
}
});
container.innerHTML = `
统计信息:
总数: ${stats.total} | MP4: ${stats.mp4Count} | M3U8: ${stats.m3u8Count} | 其他: ${stats.others}
按来源分布:
${Object.entries(stats.bySource).map(([source, count]) =>
`- ${source}: ${count}
`
).join('')}
按类型分布:
${Object.entries(stats.byType).map(([type, count]) =>
`- ${type}: ${count}
`
).join('')}
按质量分布:
${Object.entries(stats.byQuality).map(([quality, count]) =>
`- ${quality}: ${count}
`
).join('')}
课程id获取: clazzid=${this.pageParams.clazzid}, courseid=${this.pageParams.courseid}, knowledgeid=${this.pageParams.knowledgeid}
`;
}
// 辅助方法
isValidVideoUrl(url) {
if (typeof url !== 'string') return false;
return url.includes('.mp4') ||
url.includes('.m3u8') ||
url.includes('.flv') ||
url.includes('.avi') ||
url.includes('.mov') ||
url.includes('.wmv') ||
url.includes('.webm') ||
url.includes('chaoxing') ||
url.includes('ananas') ||
url.includes('mooc') ||
url.includes('video');
}
formatDuration(seconds) {
if (!seconds || isNaN(seconds)) return '未知';
const h = Math.floor(seconds / 3600);
const m = Math.floor((seconds % 3600) / 60);
const s = Math.floor(seconds % 60);
return h > 0 ? `${h}:${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}` :
`${m}:${s.toString().padStart(2, '0')}`;
}
deduplicateVideos(videos) {
const seen = new Map();
return videos.filter(video => {
const key = video.url;
if (seen.has(key)) {
return false;
}
seen.set(key, true);
return true;
});
}
updateStatus(message) {
document.getElementById('status-bar').textContent = message;
}
getSelectedVideo() {
const selectedElement = document.querySelector('.video-item[style*="border-color: rgb(52, 152, 219)"]') ||
document.querySelector('.video-item[style*="#3498db"]');
if (selectedElement) {
const url = selectedElement.getAttribute('data-url');
return this.videoSources.find(v => v.url === url);
}
return null;
}
// 特殊功能方法
extractMp4Links() {
const mp4Videos = this.videoSources.filter(video => video.url.includes('.mp4'));
if (mp4Videos.length === 0) {
this.updateStatus('未找到MP4格式的视频');
return;
}
const mp4Urls = mp4Videos.map(video => video.url).join('\n');
navigator.clipboard.writeText(mp4Urls)
.then(() => {
this.updateStatus(`已复制 ${mp4Videos.length} 个MP4链接到剪贴板`);
})
.catch(err => {
this.updateStatus('复制失败: ' + err.message);
});
}
downloadSelectedVideo() {
const selectedVideo = this.getSelectedVideo();
if (selectedVideo) {
try {
const a = document.createElement('a');
a.href = selectedVideo.url;
a.download = `knowledge-video-${this.pageParams.knowledgeid}-${Date.now()}.mp4`;
a.target = '_blank';
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
this.updateStatus('下载已启动');
} catch (error) {
this.updateStatus('下载失败: ' + error.message);
}
} else {
this.updateStatus('请先选择一个视频');
}
}
batchExtractVideos() {
if (this.videoSources.length === 0) {
this.updateStatus('没有可提取的视频');
return;
}
const allUrls = this.videoSources.map(video => video.url).join('\n');
navigator.clipboard.writeText(allUrls)
.then(() => {
this.updateStatus(`已复制 ${this.videoSources.length} 个视频链接到剪贴板`);
})
.catch(err => {
this.updateStatus('复制失败: ' + err.message);
});
}
async testLinkBatch(index, successCount, failedCount) {
if (index >= this.videoSources.length) {
this.updateStatus(`测试完成: 成功 ${successCount}, 失败 ${failedCount}`);
return;
}
const video = this.videoSources[index];
this.updateStatus(`测试第 ${index + 1}/${this.videoSources.length} 个链接: ${video.name}`);
try {
const response = await this.testUrl(video.url);
if (response.success) {
successCount++;
// 更新列表项状态
const listItem = document.querySelector(`[data-url="${video.url}"]`);
if (listItem) {
listItem.style.backgroundColor = '#27ae60';
}
} else {
failedCount++;
// 更新列表项状态
const listItem = document.querySelector(`[data-url="${video.url}"]`);
if (listItem) {
listItem.style.backgroundColor = '#c0392b';
}
}
} catch (error) {
failedCount++;
// 更新列表项状态
const listItem = document.querySelector(`[data-url="${video.url}"]`);
if (listItem) {
listItem.style.backgroundColor = '#c0392b';
}
}
setTimeout(() => {
this.testLinkBatch(index + 1, successCount, failedCount);
}, 100);
}
async testUrl(url) {
return new Promise((resolve) => {
GM_xmlhttpRequest({
method: 'HEAD',
url: url,
timeout: 5000,
onload: function(response) {
resolve({
success: response.status === 200,
status: response.status,
headers: response.responseHeaders
});
},
onerror: function() {
resolve({ success: false, status: 0 });
},
ontimeout: function() {
resolve({ success: false, status: 0 });
}
});
});
}
filterMp4Videos() {
this.updateVideoList(video => video.url.includes('.mp4'));
this.updateStatus('已过滤，仅显示MP4格式视频');
}
exportVideoData() {
if (this.videoSources.length === 0) {
this.updateStatus('没有可导出的数据');
return;
}
const data = {
pageParams: this.pageParams,
analysisTimestamp: new Date().toISOString(),
videoCount: this.videoSources.length,
videos: this.videoSources,
knowledgeData: this.knowledgeData
};
const blob = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = `chaoxing-video-data-${this.pageParams.knowledgeid}-${Date.now()}.json`;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
this.updateStatus('数据已导出');
}
}
// 启动视频分析器
const analyzer = new ChaoxingVideoAnalyzer();
window.chaoxingVideoAnalyzer = analyzer; // 暴露到全局作用域以便在内联脚本中使用
})();