自动高速播放所有视频，支持倍速控制
// ==UserScript==
// @name 国资e学视频助手
// @namespace http://tampermonkey.net/
// @version 1.0
// @description 自动高速播放所有视频，支持倍速控制
// @author 1500mh
// @match https://elearning.tcsasac.com/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
let isRunning = false;
let panelCreated = false;
let currentVideoIndex = -1;
let videoList = [];
let timer = null;
// 获取视频列表
function getVideoList() {
const items = document.querySelectorAll('.nei40');
if (items.length > 0) {
videoList = Array.from(items).filter(item => {
const tagSpan = item.querySelector('.text14-tag');
return tagSpan && tagSpan.textContent.includes('视频');
});
console.log('找到视频列表，共', videoList.length, '个视频');
return;
}
console.log('未找到视频列表');
videoList = [];
}
// 播放下一个视频
function playNextVideo() {
if (!isRunning) return;
console.log('当前视频索引:', currentVideoIndex);
console.log('视频列表长度:', videoList.length);
currentVideoIndex++;
if (currentVideoIndex >= videoList.length) {
console.log('所有视频已播放完成');
stopPlaying();
return;
}
const nextVideo = videoList[currentVideoIndex];
const titleSpan = nextVideo.querySelector('span[title]');
const videoTitle = titleSpan ? titleSpan.getAttribute('title') : '未知标题';
console.log('正在播放第', currentVideoIndex + 1, '个视频:', videoTitle);
// 等待前一个视频的定时器清理完成
if (timer) {
clearInterval(timer);
timer = null;
}
try {
const titleContainer = nextVideo.querySelector('.text14.flex-row-center-v');
if (titleContainer) {
titleContainer.click();
console.log('成功点击标题容器');
// 等待页面加载和视频元素出现
waitForVideoElement();
}
} catch (e) {
console.error('点击失败:', e);
}
}
// 等待视频元素出现
function waitForVideoElement() {
let retryCount = 0;
const maxRetries = 20; // 增加最大重试次数
const retryInterval = 500; // 缩短重试间隔
function checkVideoElement() {
const video = document.querySelector('video');
const highlight = document.querySelector('.Highlight');
const currentTitle = highlight?.querySelector('span[title]')?.getAttribute('title');
// 检查当前高亮的视频是否是我们要播放的视频
const targetVideo = videoList[currentVideoIndex];
const targetTitle = targetVideo?.querySelector('span[title]')?.getAttribute('title');
if (video && currentTitle === targetTitle) {
console.log('视频元素已就绪');
waitForVideoAndPlay();
} else {
console.log('等待视频元素...', retryCount);
if (retryCount < maxRetries) {
retryCount++;
setTimeout(checkVideoElement, retryInterval);
} else {
console.log('视频加载超时，尝试重新点击');
// 如果超时，重新尝试点击
const titleContainer = videoList[currentVideoIndex].querySelector('.text14.flex-row-center-v');
if (titleContainer) {
titleContainer.click();
console.log('重新点击视频');
retryCount = 0;
setTimeout(checkVideoElement, retryInterval);
}
}
}
}
setTimeout(checkVideoElement, 1000); // 初始等待时间
}
// 等待视频加载并开始播放
function waitForVideoAndPlay() {
let retryCount = 0;
const maxRetries = 10;
const retryInterval = 1000;
function tryPlayVideo() {
const video = document.querySelector('video');
if (video && !video.paused) {
console.log('视频已经在播放中');
startAutoProgress(video);
return;
}
if (video) {
console.log('找到视频元素，尝试播放');
try {
video.playbackRate = 2.0;
video.play().then(() => {
console.log('视频开始播放');
video.removeEventListener('ended', playNextVideo);
video.addEventListener('ended', playNextVideo);
startAutoProgress(video);
}).catch(error => {
console.error('播放失败:', error);
if (retryCount < maxRetries) {
retryCount++;
setTimeout(tryPlayVideo, retryInterval);
}
});
} catch (e) {
console.error('播放出错:', e);
if (retryCount < maxRetries) {
retryCount++;
setTimeout(tryPlayVideo, retryInterval);
}
}
} else {
console.log('未找到视频元素，等待重试');
if (retryCount < maxRetries) {
retryCount++;
setTimeout(tryPlayVideo, retryInterval);
}
}
}
tryPlayVideo();
}
// 开始自动更新进度
function startAutoProgress(video) {
if (timer) {
clearInterval(timer);
timer = null;
}
// 确保视频处于播放状态
if (video.paused) {
video.play().catch(e => console.log('播放状态更新失败:', e));
}
video.playbackRate = 2.0;
const duration = video.duration;
let currentProgress = (video.currentTime / duration) * 100;
// 获取当前设置的倍速
const speedSlider = document.getElementById('speedSlider');
const speedValue = speedSlider ? parseFloat(speedSlider.value) : 2.0;
// 根据视频时长和倍速调整进度增量和更新间隔
const progressIncrement = speedValue * (
duration <= 300 ? 2.0 : // 5分钟以内的视频
duration <= 600 ? 1.0 : // 10分钟以内的视频
0.5 // 更长的视频
);
const updateInterval = duration <= 300 ? 200 : // 5分钟以内的视频
duration <= 600 ? 300 : // 10分钟以内的视频
500; // 更长的视频
// 更新播放器状态
const playButton = document.querySelector('.xgplayer-play');
if (playButton) {
const playIcon = playButton.querySelector('.play');
const pauseIcon = playButton.querySelector('.pause');
if (playIcon) playIcon.style.display = 'none';
if (pauseIcon) pauseIcon.style.display = 'block';
}
timer = setInterval(() => {
if (!isRunning) {
clearInterval(timer);
timer = null;
return;
}
if (currentProgress >= 100) {
clearInterval(timer);
timer = null;
playNextVideo();
return;
}
// 确保视频始终处于播放状态
if (video.paused) {
video.play().catch(e => console.log('播放状态更新失败:', e));
}
currentProgress += progressIncrement;
const targetTime = (currentProgress / 100) * duration;
try {
video.currentTime = targetTime;
updateProgressBar(currentProgress);
} catch (e) {
console.log('更新进度:', currentProgress);
}
}, updateInterval);
}
// 更新进度条
function updateProgressBar(progress) {
const progressBar = document.querySelector('.xgplayer-progress-played');
if (progressBar) {
progressBar.style.width = `${progress}%`;
}
}
// 开始自动播放列表
function startPlaylist() {
isRunning = true;
getVideoList();
if (videoList.length === 0) {
console.log('未找到视频列表');
return;
}
// 先点击播放按钮确保视频处于播放状态
const playButton = document.querySelector('.xgplayer-play');
if (playButton) {
playButton.click();
console.log('点击播放按钮');
}
const currentPlaying = document.querySelector('.Highlight');
if (currentPlaying) {
const currentContainer = currentPlaying.closest('.nei40');
if (currentContainer) {
currentVideoIndex = videoList.indexOf(currentContainer) - 1;
console.log('从当前视频继续播放:', currentVideoIndex + 2);
} else {
currentVideoIndex = -1;
}
} else {
currentVideoIndex = -1;
}
playNextVideo();
}
// 停止播放
function stopPlaying() {
isRunning = false;
if (timer) {
clearInterval(timer);
timer = null;
}
const video = document.querySelector('video');
if (video) {
video.pause();
video.removeEventListener('ended', playNextVideo);
}
}
// 创建悬浮控制面板
function createFloatingPanel() {
if (panelCreated) return;
panelCreated = true;
const panel = document.createElement('div');
panel.innerHTML = `
<div id="autoPlayPanel" style="
position: fixed;
top: 20px;
right: 20px;
background: rgba(255, 255, 255, 0.9);
padding: 10px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
z-index: 9999;
display: flex;
flex-direction: column;
gap: 8px;
font-family: 'Microsoft YaHei', sans-serif;
cursor: move;
">
<div style="
font-size: 14px;
font-weight: bold;
color: #333;
margin-bottom: 5px;
text-align: center;
">视频助手</div>
<div style="
display: flex;
flex-direction: column;
gap: 4px;
margin-bottom: 5px;
">
<label for="speedSlider" style="
font-size: 12px;
color: #666;
">倍速设置: <span id="speedValue">2.0</span>x</label>
<input type="range" id="speedSlider"
min="0.5" max="5" step="0.5" value="2.0"
style="width: 100%;"
>
</div>
<button id="floatingStartBtn" style="
background: #4CAF50;
color: white;
border: none;
padding: 8px 12px;
border-radius: 4px;
cursor: pointer;
font-size: 12px;
transition: background 0.3s;
">开始自动播放</button>
<button id="floatingStopBtn" style="
background: #f44336;
color: white;
border: none;
padding: 8px 12px;
border-radius: 4px;
cursor: pointer;
font-size: 12px;
transition: background 0.3s;
">停止播放</button>
</div>
`;
document.body.appendChild(panel);
const startBtn = document.getElementById('floatingStartBtn');
const stopBtn = document.getElementById('floatingStopBtn');
const speedSlider = document.getElementById('speedSlider');
const speedValue = document.getElementById('speedValue');
// 倍速滑块事件
speedSlider.addEventListener('input', () => {
const value = speedSlider.value;
speedValue.textContent = value;
});
startBtn.addEventListener('click', () => {
startPlaylist();
startBtn.style.background = '#45a049';
});
stopBtn.addEventListener('click', () => {
stopPlaying();
startBtn.style.background = '#4CAF50';
});
// 添加拖动功能
const dragPanel = document.getElementById('autoPlayPanel');
let isDragging = false;
let currentX;
let currentY;
let initialX;
let initialY;
let xOffset = 0;
let yOffset = 0;
dragPanel.addEventListener('mousedown', dragStart);
document.addEventListener('mousemove', drag);
document.addEventListener('mouseup', dragEnd);
function dragStart(e) {
initialX = e.clientX - xOffset;
initialY = e.clientY - yOffset;
if (e.target === dragPanel) {
isDragging = true;
}
}
function drag(e) {
if (isDragging) {
e.preventDefault();
currentX = e.clientX - initialX;
currentY = e.clientY - initialY;
xOffset = currentX;
yOffset = currentY;
setTranslate(currentX, currentY, dragPanel);
}
}
function dragEnd() {
initialX = currentX;
initialY = currentY;
isDragging = false;
}
function setTranslate(xPos, yPos, el) {
el.style.transform = `translate3d(${xPos}px, ${yPos}px, 0)`;
}
}
// 修改初始化逻辑
function initialize() {
if (document.querySelector('#autoPlayPanel')) return;
createFloatingPanel();
}
// 等待页面加载完成后初始化
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', initialize);
} else {
initialize();
}
})();