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帮助下载学在浙大上一些没有开放下载的PDF文件
// ==UserScript==
// @name 学在浙大PDF下载器
// @namespace http://tampermonkey.net/
// @version 0.3
// @description 帮助下载学在浙大上一些没有开放下载的PDF文件
// @author AnCoSONG
// @match https://courses.zju.edu.cn/*
// @icon https://www.google.com/s2/favicons?domain=zju.edu.cn
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
function main() {
// console.log(window.parent.document.body)
var globalDocument = window.parent.document
var pdfViewer = globalDocument.querySelector('#pdf-viewer')
function downloadURL(url){
var aEle = globalDocument.createElement('a')
aEle.href = url
globalDocument.body.append(aEle)
aEle.click()
}
if (pdfViewer) {
console.log('已检测到PDF Viewer')
var src = pdfViewer.getAttribute('src')
if (!src) {
console.log('no src, skip')
return
}
var url = decodeURIComponent(src.substr(src.indexOf('http')))
var header = globalDocument.querySelector('.header.clearfix')
if (header) {
console.log('内页展示')
var closeBtn = globalDocument.querySelectorAll('.right.close')[1]
var aEle = globalDocument.createElement('a')
aEle.style.position = 'absolute'
aEle.style.top = '14px'
aEle.style.right = '60px'
aEle.href = url
var iEle = globalDocument.createElement('i')
iEle.className = 'font font-download'
aEle.appendChild(iEle)
header.insertBefore(aEle, closeBtn)
} else {
if (confirm('Do you want to download this file?')) {
downloadURL(url)
}
}
} else {
console.log('未检测到PDF-Viewer')
}
}
if (document.readyState === 'loading') {
console.log('loading')
document.addEventListener('DOMContentLoaded', main)
} else {
console.log('ready')
main()
}
/*
window.onload = function () {
setTimeout(main, 1500)
}
*/
// Your code here...
})();