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用于WeLearn学习挂机，自动切换下一页，并模拟点击播放相关音频，避免出现“30分钟未学习”提示。此外，还在页面右上角添加一个“显示答案”的按钮，可用于检查答案是否正确。仅做测试用 建议使用Chrome浏览器。
// ==UserScript==
// @name WeLearn 自动挂机
// @namespace https://github.com/hui-shao
// @version 0.3
// @description 用于WeLearn学习挂机，自动切换下一页，并模拟点击播放相关音频，避免出现“30分钟未学习”提示。此外，还在页面右上角添加一个“显示答案”的按钮，可用于检查答案是否正确。仅做测试用 建议使用Chrome浏览器。
// @author hui-shao
// @license GPLv3
// @match http*://welearn.sflep.com/*/*tudyCourse.aspx*
// @icon https://www.google.com/s2/favicons?sz=64&domain=sflep.com
// @grant none
// @run-at document-idle
// ==/UserScript==
(function () {
'use strict';
function sleep(ms) {
return new Promise((resolve) => setTimeout(resolve, ms));
}
async function getDoc() {
// 获取iframe并设置其加载完成的触发器
for (let i = 1; i < 50; i++) {
await sleep(100)
var iframe = document.querySelector("#contentFrame");
if (iframe) {
iframe.onload = () => {
doc = iframe.contentDocument;
}
break;
}
}
if (!iframe) {
console.warn("[Script] Can not get iframe, Skip click function!")
return false;
}
// 等待从iframe获取到document
for (let i = 0; i < 100; i++) {
await sleep(200)
if (doc) {
return true;
}
}
console.warn("[Script] Can not get document from iframe, Skip click function!")
return false;
}
function createButton() {
var button = document.createElement("button");
button.id = "btn001";
button.textContent = "Loading...";
button.style.color = "black";
button.style.width = "110px";
button.style.height = "90%";
button.style.align = "center";
button.style.marginRight = "0.5%";
button.style.marginLeft = "-30%";
doc.getElementsByClassName("controls")[0].appendChild(button);
let btn = doc.querySelector(".controls .sub .subInner et-button button");
if (btn) {
button.textContent = btn.firstChild.innerHTML;
button.onclick = function () {
console.log("[Script] Pressed the button.");
btn.click();
};
}
else {
button.textContent = "None"
console.warn("[Script] Can not find key/script btn");
return;
}
}
function myClick() {
var arr = null;
var temp = null;
// 和下面一小段似乎有重复
// arr = doc.getElementsByClassName("vjs-big-play-button");
// if (arr.length) arr[0].click();
// else console.log("[Script] Can not get vjs-big-play-button");
arr = doc.getElementsByClassName("vjs-play-control");
if (arr.length) arr[0].click();
else console.log("[Script] Can not get vjs-play-button");
temp = doc.querySelector("et-audio div");
if (temp) temp.click();
else console.log("[Script] Can not get et-audio div");
temp = doc.querySelector("et-button button[ng-click]");
if (temp && temp.hasChildNodes()) {
if (temp.childNodes[0].className.includes("microphone") || temp.childNodes[0].innerHTML.includes("Submit") || temp.childNodes[0].innerHTML.includes("Script") || temp.childNodes[0].innerHTML.includes("Key")) { } // 含有麦克风和Submit时跳过录音
else temp.click();
}
else console.log("[Script] Can not get et-button button[ng-click]");
}
function setRefreshOnNextButton() {
var next_btn = null;
next_btn = document.querySelector(".courseware_sidebar_2 .c_s_3_2");
if (next_btn) {
next_btn.onclick = () => {
sleep(20).then(() => { location.reload(); });
}
}
else console.warn("[Script] Can not get Next_Btn.")
}
async function runClick() {
await getDoc();
if (doc) {
var autoClick = setInterval(function () {
console.log("click");
myClick();
}, (Math.round(Math.random() * 5 + 12)) * 1000); // 12~17s
createButton(); // 绘制KEY按钮
}
}
console.log("[Script] Script loaded.");
var doc = null;
var autoNext = setInterval(function () { // 放在外部 可以确保自动切换能正常运行, 防止脚本终止
console.log("[Script] Next.");
NextSCO(); // NextSCO() 是welearn网页定义的
sleep(200).then(() => { location.reload(); }) // 刷新页面以便于重新加载运行脚本, 重新获取iframe
}, (Math.round(Math.random() * 5 + 3)) * 1000 * 60);
document.onreadystatechange = function () {
if (document.readyState == "complete") {
setRefreshOnNextButton(); // 为手动点击Next按钮设置刷新任务
}
}
runClick();
})();