try to take over the world!
// ==UserScript==
// @name 中国科学院大学课程网站增强
// @namespace http://tampermonkey.net/
// @version 0.1
// @description try to take over the world!
// @author Birkhoff_Lee
// @match https://course.ucas.ac.cn/portal/site/*
// @require http://libs.baidu.com/jquery/1.8.3/jquery.min.js
// @require https://unpkg.com/axios/dist/axios.min.js
// @grant none
// ==/UserScript==
(function() {
'use strict';
// Your code here...
// axios全局设置, 设置带Cookie请求
axios.defaults.withCredentials = true;
window.axios = axios;
// 脚本数据空间
let data = {
hasResourcesUpdated: 0,
};
// 获取所有文件的超链接以及索引
const getAllFilesBody = (event) => {
const body = document.getElementsByTagName('tbody')[0];
const selectedFilesList = Array.prototype.slice.call(body.children).map(
(item) => {
if (item.getElementsByTagName('input') &&
item.getElementsByTagName('input')[0] &&
item.getElementsByTagName('input')[0].checked) {
return item;
}
}
).slice(1);
// 所有可下载文件的链接Array
const ans = new Array();
selectedFilesList.map(
(item) => {
if(item && item.getElementsByTagName('a')[1].attributes.title.textContent.endsWith('文件夹')) {
item = null;
}
return item ? ans.push(
{
url: decodeURI(item.getElementsByTagName('a')[1].href),
filename: item.getElementsByTagName('a')[1].lastElementChild.textContent
}
) : item
}
)
for (var i in ans) {
downloadWithUri(ans[i].url, ans[i].filename);
}
// 阻止事件冒泡
event && event.stopPropagation();
};
// 通过一个临时的a标签来下载文件
const downloadWithFakeAtag = (href, filename) => {
const a = document.createElement('a');
a.download = filename;
a.href = href;
a.style.display = 'none';
document.body.appendChild(a);
a.click();
a.remove();
};
// 通过文件的url下载文件
const downloadWithUri = (uri, fname = '') => {
console.log('开始下载: ', uri);
window.axios.get(encodeURI(uri), {responseType: 'blob'})
.then((resp) => {
// console.log('文件下载成功啦', resp);
const content = window.URL.createObjectURL(resp.data);
const filename = fname ? fname :decodeURI(resp.config.url).split('/').slice(-1)[0];
downloadWithFakeAtag(content, filename);
})
.catch((error) => {
alert(error);
})
};
// 更新界面视图(包含按钮等元素)
const updateResourcesPage = () => {
const css = document.createElement('style');
css.innerText = `
#birkhoff-download-selected {
display: inline-block;
float: right;
min-width: 10px;
padding: 3px 5px 3px 5px;
height: 100%;
border-radius: 5px;
background-color: pink;
-webkit-user-select: none;
}
#birkhoff-download-selected:hover {
background-color: skyblue;
cursor: pointer;
}
`;
document.getElementsByTagName('head')[0].appendChild(css);
const buttonLocationDiv = document.getElementById('copy-button').parentElement;
const downloadButton = document.createElement('div');
downloadButton.innerHTML = '下载选中项';
downloadButton.id = 'birkhoff-download-selected';
buttonLocationDiv.appendChild(downloadButton);
$('#birkhoff-download-selected').click(() => {
alert("已经发布下载任务, 暂不支持文件夹下的文件下载!");
getAllFilesBody();
})
data.hasResourcesUpdated ++;
};
// 检查当前界面是否处于资源界面
const recourseCheck = window.setInterval(() => {
if (document.getElementsByClassName('is-current')[0].firstElementChild.title === '资源') {
// console.log('已经选中资源界面');
if (data.hasResourcesUpdated <= 0){
updateResourcesPage();
}
}
}, 1000);
})();