// ==UserScript==
// @name         #学习-教学ppt导出
// @namespace    http://tampermonkey.net/
// @version      2024-03-21
// @description  教学ppt导出
// @author       3hex
// @match      https://bsk.aixuexi.com/courseInfo.html*
// @icon         https://th.bing.com/th?id=ODLS.8ce4b207-3847-4d34-8440-46dbf328d9f6&w=32&h=32&qlt=90&pcl=fffffa&o=6&pid=1.2
// @grant        none
// ==/UserScript==
(function() {
var url = window.location.href;
var pattern = /https:\/\/bsk\.aixuexi\.com\/courseInfo\.html#\/kejian/;
var pattern2 = /https:\/\/bsk\.aixuexi\.com\/courseInfo\.html#\/viewPrint/;
addNewBtn();
//localStorage.setItem('jump_flag', '0');
var jumpFlag = localStorage.getItem('jump_flag');
console.log(jumpFlag);
if (jumpFlag && jumpFlag == '1'){
createPPT();
localStorage.setItem('jump_flag', '0');
jumpFlag = localStorage.getItem('jump_flag');
console.log(jumpFlag);
}
function createPPT() {
if(pattern2.test(url)){
var startNode = document.getElementById('app-body');
delNode(startNode, '[data-v-3e25f112]');
delNode(startNode, 'p.header-title');
delNode(startNode, 'div.content-main ul');
delNodeClass(startNode, 'img.litimg', ["width", "height", "data-v-6972d9ab"]);
}
}
function delNodeClass(startNode, dstType, dstClass) {
var intervalID2 = setInterval(function() {
var nodes = startNode.querySelectorAll(dstType);
//console.log(nodes);
if (nodes.length != 0) {
clearInterval(intervalID2);
for(var i = 0; i< nodes.length; i++) {
for(var j = 0; j< dstClass.length; j++){
nodes[i].removeAttribute(dstClass[j]);
}
}
}
}, 100); // 每100毫秒检测一次
}
function delNode(startNode, dstType) {
var intervalID2 = setInterval(function() {
var nodes = startNode.querySelectorAll(dstType);
//console.log(nodes);
if (nodes.length != 0) {
clearInterval(intervalID2);
for(var i = 0; i< nodes.length; i++) {
nodes[i].parentNode.removeChild(nodes[i]);
}
}
}, 100); // 每100毫秒检测一次
}
function addNewBtn() {
if (pattern.test(url)) {
console.log("#学习-教学ppt导出");
var intervalID = setInterval(function() {
var btn = document.querySelector('.ant-btn.ant-btn-primary');
//检查按钮是否已经加载出来
if (btn) {
clearInterval(intervalID);
var newBtn = document.createElement('button');  // 创建新的button节点
//给新的按钮加上样式类，这使得新按钮看起来与原本的按钮相似
newBtn.className = 'ant-btn ant-btn-block';
newBtn.style.marginLeft = '20px';
// 修改新按钮的onclick事件，当点击时会将当前URL替换'kejian'为'viewPrint'，并跳转
newBtn.onclick = function() {
localStorage.setItem('jump_flag', '1');
var currentUrl = window.location.href;
var newUrl = currentUrl.replace('kejian', 'viewPrint');
// window.location.href = newUrl;
window.open(newUrl, '_blank');
}
//给新按钮添加标签
newBtn.innerText = '去打印PPT';
btn.parentNode.insertBefore(newBtn, btn.nextSibling); // 在当前按钮后面插入新按钮
}
}, 100); // 每100毫秒检测一次
}
}
})();