看看视频，看看文章。
// ==UserScript==
// @name 不学习何以提升信息技术应用能力
// @namespace http://tampermonkey.net/
// @version 1.4
// @description 看看视频，看看文章。
// @author 荷包蛋。
// @match https://jstsgc.gdedu.gov.cn/info2/pinfo/teacherSpace/home.action
// @match https://scnu.djtedu.cn/student.html
// @match https://preview.dccloud.com.cn/?ssl=*&furl=*
// @icon https://dckj.ks3-cn-guangzhou.ksyun.com/ltedu3/20210410/807d6bbf-80f8-44d6-82ab-44b0b8a5a3fc.png
// @require https://cdn.bootcdn.net/ajax/libs/blueimp-md5/2.9.0/js/md5.min.js
// @grant GM_addStyle
// @grant GM_openInTab
// @grant window.close
// ==/UserScript==
var study_css = ".egg_study_btn{outline:0;border:0;position:fixed;top:5px;left:5px;padding:12px 20px;border-radius:10px;cursor:pointer;background-color:#fff;color:#d90609;font-size:18px;font-weight:bold;text-align:center;box-shadow:0 0 9px #666777;z-index: 999;}";
GM_addStyle(study_css);
const homePageUrl = "https://jstsgc.gdedu.gov.cn/info2/pinfo/teacherSpace/home.action";
const studyPageUrl = "https://scnu.djtedu.cn/student.html";
const articlePageUrl = "https://preview.dccloud.com.cn"
var currUrl = window.location.href;
var currArticle = -1;
(function() {
'use strict';
if(currUrl.indexOf(homePageUrl) != -1){
//如果是首页
createStartButton();
}else if(currUrl.indexOf(studyPageUrl) != -1){
//如果是学习页面
console.log("学习")
study();
}else if(currUrl.indexOf(articlePageUrl) != -1){
console.log("阅读文章")
readAtricle();
}
//获取video标签
function getVideoTag(){
let iframe = document.getElementsByTagName("iframe")[0];
let video = null;
let pauseButton = null;
if(iframe){
//如果有iframe,说明外面的video标签是假的
video = iframe.contentWindow.document.getElementsByTagName("video")[0];
}else{
//否则这个video标签是真的
video = document.getElementsByTagName("video")[0];
}
return video;
}
//看视频
function watchVideo(){
return new Promise(resolve => {
let playTime = 0;
let video = getVideoTag();
if(video){
if(!video.muted){
video.muted = true;
}
if(playTime == 0){
playTime = video.currentTime;
}
let checkMideaInterval = setInterval(function(){
if(video.paused){
if(video.duration > playTime){
try{
video.play();
}catch(e){}
}else{
console.log("播放完了")
clearInterval(checkMideaInterval);
resolve('done');
}
}else{
console.log("正在播放视频")
playTime += 2.5;
if(playTime == video.duration || playTime > video.duration){
console.log("播放完了")
clearInterval(checkMideaInterval);
resolve('done');
}
}
},2500);
}
})
}
//获取未完成的视频
function getVideo(){
let video = null;
let videos = document.querySelectorAll(".public-articleSlideList");
let key = md5(document.querySelector(".left-content h3").innerText);
let currVideo = getCookie("currVideo");
console.log(key)
console.log(currVideo)
if(videos && videos.length != 0){
//有一组视频
for(let i = 0; i < videos.length; i++){
let status = videos[i].querySelector(".video-status");
status = status.innerText;
if(status != "已学习"){
if(key == currVideo){
//已经播放完了，但是还没更新状态
//跳过
video = null;
}else{
//还没学过
setCookie("currVideo",key);
video = document.querySelectorAll(".public-articleSlideList");
video = {
btn:videos[i].querySelector(".el-icon-video-play"),
status:status
}
break;
}
}
}
}else{
//只有一个视频,或者没有视频
let temp = document.querySelector("video");
if(temp){
//用笨办法，自己检测
if(key == currVideo){
//已经播放完了，但是还没更新状态
//跳过
video = null;
}else{
//还没学过
setCookie("currVideo",key);
video = {
btn:null,
status:"未完成"
}
}
}else{
//没有视频
video = null;
}
}
return video;
}
//看文章（PPT）
async function readAtricle(){
await Sleep(7000);
// let pageCount = document.getElementById("PageCount");
// let nextBtn = document.getElementById("pageNext");
// if(pageCount && nextBtn){
// console.log("PPT")
// //获取总共有多少页
// pageCount = Number.parseInt(pageCount.innerText);
// let i = 0;
// while(i < pageCount){
// await Sleep(2500);
// nextBtn.click();
// i++;
// }
// }else{
// console.log("文章")
// let scrollItem = document.getElementById("ctn");
// let scrollLength = scrollItem.scrollHeight;
// let part = scrollLength/40;
// if(scrollItem){
// let num = scrollLength - part;
// while(num > 0){
// scrollItem.scrollTo(0,scrollLength - num);
// num -= part;
// await Sleep(1000);
// }
// }else{
// await Sleep(scrollLength * 10);
// }
// }
window.close();
}
//查询是否需要阅读文章，如果需要则返回立即阅读按钮
function getArticle(){
let article = null;
let articles = document.querySelectorAll(".file-box-content");
if(articles && articles.length != 0){
for(let i = 0; i< articles.length; i++){
let isFinish = articles[i].querySelector(".fs12");
if(isFinish.innerText.indexOf("未完成") != -1){
let title = articles[i].querySelector(".fs15");
title = md5(title.innerText);
if(title == getCookie("currArticle")){
//不是第一次看了，跳过，不看了
}else{
setCookie("currArticle",title);
article = articles[i].querySelector("button");
break;
}
}
}
}
return article;
}
//打开并监听页面关闭
function openArticle(articleUrl){
return new Promise(resolve => {
let studyPage = GM_openInTab(articleUrl,{active: true,insert: true, setParent :true});
let studying = setInterval(function() {
if(studyPage.closed) {
clearInterval(studying);
resolve('done');
}
}, 2500);
})
}
//监听等待主题出现
function getAllSubjects(){
return new Promise(resolve => {
let checkInterval = setInterval(function(){
var subjects = document.querySelectorAll(".el-tree-node__content");
if(subjects && subjects.length != 0){
clearInterval(checkInterval);
resolve(subjects);
}
},800)
})
}
//学习
async function study(){
let subjects = await getAllSubjects();
//初始化当前看的视频
setCookie("currVideo",null);
//初始化当前看的文章
setCookie("currArticle",null);
for(let i = 0; i < subjects.length; i++){
let isFinish = subjects[i].querySelector("i");
if(isFinish.title != "已学习"){
if(!subjects[i].querySelector(".active")){
//如果不是当前选中的，就去点击
subjects[i].querySelector(".nav_menu").click();
}
await Sleep(2000);
let video = getVideo();
console.log(video);
while(video != null){
if(video.status == "未学习" || video.status == "学习中"){
if(video.btn){
video.btn.click();
}
await Sleep(2000);
}
await watchVideo();
video = getVideo();
}
console.log("播放完视频了，看看有没有文章")
let article = null;
while((article = getArticle()) != null){
article.click();//这里必须要按按钮，文章才算读了，如果用GM打开页面不算
await Sleep(10000);
}
}
}
console.log("该课程都学完了");
await Sleep(1500);
window.close();
}
//创建“开始学习”按钮和配置
function createStartButton(){
let body = document.getElementsByTagName("body")[0];
let startButton = document.createElement("button");
startButton.setAttribute("id","startButton");
startButton.innerText = "开始学习";
startButton.className = "egg_study_btn";
//添加事件监听
try{// Chrome、FireFox、Opera、Safari、IE9.0及其以上版本
startButton.addEventListener("click",start,false);
}catch(e){
try{// IE8.0及其以下版本
startButton.attachEvent('onclick',start);
}catch(e){// 早期浏览器
console.log("不学习何以强国error: 开始学习按钮绑定事件失败")
}
}
//插入节点
body.append(startButton)
}
//阻塞
function Sleep(time = 1000){
return new Promise(resolve => {
setTimeout(function(){
resolve('done');
},time);
});
}
//学习课程
function studyCourse(courseUrl){
return new Promise(resolve => {
let studyPage = GM_openInTab(courseUrl,{active: true,insert: true, setParent :true});
let studying = setInterval(function() {
if(studyPage.closed) {
clearInterval(studying);
resolve('done');
}
}, 2500);
})
}
//开始
async function start(){
let courses = document.querySelectorAll(".training-item");
for(let i = 0; i< courses.length; i++){
let state = courses[i].querySelector(".training-state img");
if(state.src.indexOf("un-finish") == -1){
//如果不是显示未完成，那直接跳过
//因为更新有延迟，所以检测有没有显示未完成，而不是检测有没有显示已完成
continue;
}
let title = courses[i].querySelector(".training-info a");
console.log("正在学习第" + (i+1) + "个课程" + title.innerText);
let button = courses[i].querySelector(".training-btn a");
await studyCourse(button.href);
}
console.log("已完成")
}
//保存cookies
function setCookie(name,value,expiredays = 1){
var exp = new Date();
exp.setTime(exp.getTime() + expiredays*24*60*60*1000);
document.cookie = name + "="+ escape(value) + ";expires=" + exp.toGMTString();
}
//读cookies
function getCookie(name){
var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
if(arr=document.cookie.match(reg)){
return arr[2];
}else{
return null;
}
}
setInterval(function(){
let messageBox = document.querySelector(".el-message-box__wrapper");
if(messageBox){
let message = messageBox.querySelector(".el-message-box__message").innerText;
if(message && (message.indexOf("确定要切换到其他章节学习吗") != -1 || message.indexOf("将切换到此视频") != -1)){
let confirnBtn = messageBox.querySelector(".el-button--primary");
confirnBtn.click();
}
}
},2000);
})();