// ==UserScript==
// @name         ustc网课下载
// @namespace    https://www.bb.ustc.edu.cn/
// @version      0.1
// @description  下载USTC网课回放
// @author       398
// @match        *://www.eeo.cn/*
// @grant        none
// @run-at      document-end
// @downloadURL none
// ==/UserScript==

function exec(fn) {
    var script = document.createElement('script');
    script.setAttribute("type", "application/javascript");
    script.textContent = '(' + fn + ')();';
    document.body.appendChild(script);
    document.body.removeChild(script);
}

exec(function() {
    console.log("做视频网的MP4视频提取");
    var getpathTimer = null;
    getpathTimer = setTimeout(() => {
        var mp4_path = null;
        mp4_path = $("video[src$='.mp4']").attr('src');
        var path_scr = document.createElement('a');
        path_scr.setAttribute('href', mp4_path);
        path_scr.textContent = '下载链接';
        document.getElementById('lesson-time').appendChild(path_scr)
        console.log("mp4_path",mp4_path);
    },800);
});