点击右上角下载ppt的按钮即可
// ==UserScript==
// @name 超星/学习通章节内ppt下载
// @namespace https://greasyfork.org/zh-CN/users/782923-asea
// @version 1.0.6
// @description 点击右上角下载ppt的按钮即可
// @author Asea
// @match https://*.chaoxing.com/mycourse/studentstudy*
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant none
// @license GPL-3.0-only
// ==/UserScript==
(function() {
'use strict';
window.onload = f;
function f() {
setTimeout(()=>{
var div=document.createElement("div");
div.innerText = "下载pdf";
document.body.appendChild(div);
document.body.insertBefore(div, document.body.firstElementChild);
div.style.position = "fixed";
div.style.right="10px";
div.style.top="0px";
div.style.zIndex=9999999;
div.style.color="#fff";
div.style.background="#333";
div.style.padding="10px";
div.style.fontWeight="bold";
div.style.borderRadius="3px";
div.style.cursor="pointer";
div.style.display="block"
div.onclick=download;
}, 100)
}
function download(){
let files = document.getElementById("iframe").contentWindow.document.querySelectorAll("iframe[class^='ans-attach-online insertdoc-online-p']");
if (files.length == 0){
alert("该页面未检测到ppt");
return;
}
let num = Number(prompt("一共" + files.length + "个文件,下载第几个？（默认下载全部）"));
if(num != 0 && num <= files.length && num > 0){
let frame = $('<iframe style="display: none;" class="multi-download"></iframe>');
frame.attr('src',"https://cs-a" + "ns.chaoxing.com/download/" + JSON.parse(files[num - 1].getAttribute('data')).objectid);
$(document.body).append(frame);
setTimeout(function() {
frame.remove();
}, 1000);
}else if(num == 0){
for( let i = 0; i < files.length; i++){
let frame = $('<iframe style="display: none;" class="multi-download"></iframe>');
// ans好像会被浏览器检测为广告？？？所以拆开了
frame.attr('src',"https://cs-a" + "ns.chaoxing.com/download/" + JSON.parse(files[i].getAttribute('data')).objectid);
$(document.body).append(frame);
setTimeout(function() {
frame.remove();
}, 1000);
}
}else{
alert("非法输入");
}
}
})();