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You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.
You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.
You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.
You will need to install an extension such as Tampermonkey or Userscripts to install this script.
You will need to install an extension such as Tampermonkey to install this script.
You will need to install a user script manager extension to install this script.
(I already have a user script manager, let me install it!)
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How to install
You will need to install an extension such as Stylus to install this style.
You will need to install an extension such as Stylus to install this style.
You will need to install an extension such as Stylus to install this style.
You will need to install a user style manager extension to install this style.
You will need to install a user style manager extension to install this style.
You will need to install a user style manager extension to install this style.
(I already have a user style manager, let me install it!)
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Wrap lines
// ==UserScript==
// @name 超星视频自动播放与跳转
// @namespace http://tampermonkey.net/
// @version 2025-06-17.3
// @description 自动播放超星视频，并在播放结束后自动点击“下一节”按钮。保持原始音量。
// @author You
// @match https://mooc1.chaoxing.com/mycourse/studentstudy?*
// @icon https://www.google.com/s2/favicons?sz=64&domain=chaoxing.com
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
console.log("Tampermonkey脚本已启动：超星视频自动播放与跳转 (精简版).");
let hasVideoBeenProcessed = false; // 标志位：当前页面是否已处理过视频
let videoCheckInterval = null; // 定时器ID
/**
* 尝试播放视频并在视频结束后导航。
*/
function attemptVideoPlaybackAndNavigation() {
console.log("扫描中...");
// 查找视频 iframe
// const videoFrame = document.querySelector('iframe#iframe');
const videoFrame = document.querySelector('iframe#iframe').contentDocument.querySelector('iframe.ans-insertvideo-online');
if (videoFrame) {
if (hasVideoBeenProcessed) {
// console.log("视频iframe已找到，但已在当前页面处理。跳过.");
return;
}
console.log("已找到视频iframe.");
// 延时2秒，等待 iframe 内容加载和视频播放器完全初始化
setTimeout(() => {
let videoElement = null;
try {
// 检查 iframe 的 contentWindow 和 contentDocument 是否可用
if (videoFrame.contentWindow && videoFrame.contentWindow.document) {
videoElement = videoFrame.contentWindow.document.querySelector('video');
} else {
// console.log("iframe的contentWindow或document尚未完全加载或不可访问.");
return; // 如果 iframe 内容未准备好，则返回，等待下一次定时器循环
}
} catch (e) {
console.error("访问iframe内容或视频元素时出错 (可能跨域或未完全加载):", e);
return; // 如果出错，让定时器在下一轮重试
}
if (videoElement) {
console.log("在iframe内部找到视频元素.");
// 尝试播放视频
if (videoElement.paused) {
console.log("视频已暂停，尝试播放并解除静音...");
videoElement.muted = false; // 尝试解除静音
videoElement.play().then(() => {
console.log("视频播放成功启动.");
hasVideoBeenProcessed = true; // 标记为已处理
}).catch(error => {
console.error("视频播放失败:", error);
// 如果直接播放失败（例如，NotAllowedError），尝试静音播放作为备用。
console.log("尝试静音播放...");
videoElement.muted = true; // 强制静音
videoElement.play().then(() => {
console.log("视频静音播放成功启动.");
hasVideoBeenProcessed = true;
}).catch(e => {
console.error("静音播放也失败:", e);
});
});
} else {
console.log("视频已在播放中或未暂停.");
hasVideoBeenProcessed = true; // 如果视频已在播放，则视为已处理
}
// 设置视频播放结束事件监听器
videoElement.onended = function() {
console.log("视频播放结束. 检查下一节按钮...");
const nextButton = document.querySelector('.jb_btn.next');
if (nextButton) {
console.log("找到“下一节”按钮，等待8秒后尝试跳转.");
setTimeout(() => { // Added 8-second delay here
console.log("8秒已过，尝试跳转到下一节.");
const onclickAttr = nextButton.getAttribute('onclick');
const regex = /linkUrl\(([^)]+)\)/;
const match = onclickAttr.match(regex);
if (match && match[1]) {
const argsString = match[1];
try {
// 动态评估参数字符串，将其转换为数组
const args = JSON.parse(`[${argsString}]`);
if (typeof window.linkUrl === 'function') {
window.linkUrl(...args);
console.log("已通过 linkUrl 函数跳转到下一节.");
hasVideoBeenProcessed = false; // 重置标志位
clearInterval(videoCheckInterval); // 清除定时器
} else {
console.warn("未找到 window.linkUrl 函数，尝试模拟点击按钮.");
nextButton.click(); // 回退到模拟点击
}
} catch (parseError) {
console.error("解析linkUrl参数时出错:", parseError);
console.warn("尝试模拟点击“下一节”按钮作为备用.");
nextButton.click(); // 解析失败则模拟点击
}
} else {
console.warn("未能从onclick属性中解析linkUrl参数. 尝试模拟点击按钮.");
nextButton.click(); // 解析失败则模拟点击
}
}, 8000); // 8-second delay
} else {
console.log("未找到“下一节”按钮.");
}
};
} else {
// console.log("2秒延时后，在iframe内部仍未找到
}
}, 2000); // 延时2秒，等待 iframe 内容加载和视频播放器完全初始化
} else {
// console.log("页面上未找到视频iframe元素. 直接检查下一节按钮.");
const nextButton = document.querySelector('.jb_btn.next');
if (nextButton) {
console.log("未找到视频，但存在“下一节”按钮，等待8秒后尝试跳转.");
setTimeout(() => { // Added 4-second delay here
console.log("4秒已过，尝试跳转到下一节.");
const onclickAttr = nextButton.getAttribute('onclick');
const regex = /linkUrl\(([^)]+)\)/;
const match = onclickAttr.match(regex);
if (match && match[1]) {
const argsString = match[1];
try {
const args = JSON.parse(`[${argsString}]`);
if (typeof window.linkUrl === 'function') {
window.linkUrl(...args);
console.log("已通过 linkUrl 函数跳转到下一节.");
hasVideoBeenProcessed = false; // 重置标志位
clearInterval(videoCheckInterval); // 清除定时器
} else {
console.warn("未找到 window.linkUrl 函数，尝试模拟点击按钮.");
nextButton.click();
}
} catch (parseError) {
console.error("解析linkUrl参数时出错:", parseError);
console.warn("尝试模拟点击“下一节”按钮作为备用.");
nextButton.click();
}
} else {
console.warn("未能从onclick属性中解析linkUrl参数. 尝试模拟点击按钮.");
nextButton.click();
}
}, 4000); // 4-second delay
} else {
// console.log("既未找到视频也未找到“下一节”按钮. 将继续扫描.");
}
}
}
// 每0.5s启动一次检查，以应对动态加载的内容
videoCheckInterval = setInterval(attemptVideoPlaybackAndNavigation, 3000);
// 监听URL变化，并在URL变化时重置视频处理标志，以便新页面能重新检测视频。
let lastKnownUrl = window.location.href;
setInterval(() => {
if (window.location.href !== lastKnownUrl) {
console.log("URL已更改，重置状态.");
lastKnownUrl = window.location.href;
hasVideoBeenProcessed = false; // 在导航到新页面时重置标志
// 清除旧的interval并设置新的，以确保在新页面上重新开始检测
if (videoCheckInterval) {
clearInterval(videoCheckInterval);
}
videoCheckInterval = setInterval(attemptVideoPlaybackAndNavigation, 3000);
}
}, 1000); // 每秒检查一次URL
})();