无需调用Flash，从课程平台上传附件，不必为了传作业多装一个浏览器！
目前為
// ==UserScript==
// @name 免Flash文件上传
// @name:en Upload without Flash
// @namespace https://gf.qytechs.cn/zh-CN/users/605474
// @version 1.3.6
// @description 无需调用Flash，从课程平台上传附件，不必为了传作业多装一个浏览器！
// @description:en No need to call Flash, upload accessories from the course platform, do not have to install another browser for the homework!
// @author Ziu
// @match *://cc.bjtu.edu.cn:81/*
// @match *://cc.bjtu.edu.cn:81/meol/common/hw/student/write.jsp?hwtid=*
// @icon https://gitee.com/ziuc/utool-filebed/raw/master/20210514-231824-0795.png
// @require https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js
// @require https://cdn.bootcdn.net/ajax/libs/jquery/1.7.2/jquery.min.js
// @require https://cdn.bootcdn.net/ajax/libs/clipboard.js/2.0.8/clipboard.min.js
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 全局变量
let onUpload = 0;
let index = 0;
let isAbort = 0;
let oloaded = 0;
let ot = 0;
// 预置DOM
let frontTag = "<li><a id='add_button' title='上传作业' onclick=location='http://cc.bjtu.edu.cn:81/meol/common/hw/student/hwtask.jsp?tagbug=client&strStyle=new06'><span>上传作业</span></a></li>";
let uploadBox = '<tr><td><div id="outerDiv" style="font-size: 14px; width: 590px; margin:0 auto; margin-top: 10px;"><div id="inputDiv" title="点击选择文件上传" style="height: 200px; width: 560px; cursor:pointer; border: 3px dashed; border-radius:10px; border-color: #82b900; background: #c6f062;"><div id="inputArea"><div id="textShow" style="margin-top: 80px; font-size: 20px; color: #5c6b77; text-align: center;"><p id="p1">📁文件上传📝</p><p id="p2" style="font-size: 15px">（支持拖拽上传文件）</p></div><input id="currentFile" type="file" multiple="multiple" style="display:none;" </input></div></div><div id="filenames" style="margin-top: 10px; margin-bottom: 10px; background-color: #e7e8e0;"></div><div id="buttonDiv" style="margin-top: 10px; margin-bottom: 10px; text-align: center"></div></div></td></tr>'
let uploadBtn = '<a id="uploadTrigger" title="上传" style="cursor:pointer; padding-top: 2.5px; padding-bottom: 2.5px; padding-right: 5px; padding-left: 5px; background-color: #c6f062; border: 2px solid;">上传</a>  ';
let emptyBtn = '<a id="emptyTrigger" title="清空" style="cursor:pointer; padding-top: 2.5px; padding-bottom: 2.5px; padding-right: 5px; padding-left: 5px; background-color: #c6f062; border: 2px solid;">清空</a>';
// 外部DOM操作
$('#tmenu').append(frontTag);
$('.infotable>tbody>tr:contains("请输入你的答案")').after(uploadBox);
// 信息显示部分
let processImg = 'http://cc.bjtu.edu.cn:81/meol/styles/newstyle/course/new06/body_bg.jpg';
let upldIconList = ['🕒','⚡','✅','🕒','⌛','🔒','✅']; // 所有icon统一管理
let infoIconList = ['🔄','⚠','🚫','🕒','⌛','🔒','✅'];
let fileTypeIconList = ['📄','⛺','📚','🎬','📝','📜'];
// 动效
$('#inputDiv').mouseenter(function (){$('#inputDiv').css({'background-color': '#96d205', 'font-weight': 'bold'});$('#textShow').css('color','#e7e8e0')});
$('#inputDiv').mouseleave(function (){$('#inputDiv').css({'background-color': '#c6f062', 'font-weight': ''});$('#textShow').css('color','#5c6b77')});
$('tr[class=even]').mouseenter(function (){$(this).attr('class','even over');});
function appendObjects(filelist){
// 缓存区更新前DOM操作
$('#filenames, #buttonDiv').empty(); // 清空缓存区
$('#inputDiv').hide(); // 隐藏上传框
let sizeType = getSizeType(filelist);
let nameType = getNameType(filelist);
let fileType = getFileType(filelist);
for(let i=0;i<filelist.length;i++){
let item = {};
item.file = filelist[i];
item.sizeType = sizeType[i];
item.initName = item.file.name;
item.showName = nameType[i];
item.fileTypeIcon = fileType[i].icon;
item.fileTypeInfo = fileType[i].info;
let fileObject = '<div class="fileObjects" id="fileTh'+i+'"style="cursor:default; margin-top: 10px; background-color: #e7e8e0;background-image: url('+processImg+'); background-repeat:no-repeat; background-size: 0%;"><a class="fileindex" id="fileindex'+i+'" title="'+item.fileTypeInfo+'" type="'+item.file.type+'" style="cursor:pointer; margin-left: 5px;">'+item.fileTypeIcon+'</a>  |  <a class="filename" id="filenameTH'+i+'" title="'+item.initName+'" data-clipboard-text="">'+item.showName+'<a class="fileSize"> ('+item.sizeType.size+item.sizeType.type+')</a>'+'</a><a class="uploadSpeed" id="speedTh'+i+'" title="上传速度"></a><a class="timeRemain" id="timeRemainTh'+i+'"></a></div>';
$('#filenames').append(fileObject);
}
// 缓存区更新后DOM操作
$('#buttonDiv').append(uploadBtn);
$('#buttonDiv').append(emptyBtn);
// 动效 (所有Object都已插入完毕)
$('.fileObjects').mouseenter(function (){
// 1.变背景色 2.文字加粗 3.展示全名
let prevBgc = $(this).css('background-color');
let prevName = $(this).find('.filename').html();
$(this).css('background-color','#a7cd43');
$(this).find('.filename').css('font-weight','bold');
$('.fileObjects').mouseleave(function (){
$(this).css('background-color',prevBgc);
$(this).find('.filename').css('font-weight','');
$(this).find('.filename').html(prevName);
});
if(onUpload==1&&index==$(this).attr('id').split('fileTh')[1]){
// 文件已经开始上传且this为正在上传的文件, 此后的命令将不被执行
return
}
$(this).find('.filename').html($(this).find('.filename').attr('title'));
});
$('.fileindex').mouseenter(function (){
if(onUpload==1){
// 上传进程已开始 屏蔽按钮
return
}
let iconNow = $(this).html();
let titleNow = $(this).attr('title');
$(this).html('❌');
$(this).attr('title','删除');
$('.fileindex').mouseleave(function (){
if(onUpload==1){
// 必须两个监听都屏蔽
return
}
$(this).html(iconNow);
$(this).attr('title',titleNow);
});
});
}
let flag = 0;
let filelist = [];
// 文件选择前事件监听
$('#inputDiv').click(function (){$('#currentFile').trigger('click');});
$('#currentFile').change(function (){
flag = 0;
filelist = []; // 先执行清空 再push
fileChangedByInput();
});
function fileChangedByInput(){
// let filelist = $('#currentFile')[0].files;
if(flag==0){
let filelistTMP = {};
for(let i=0;i<$('#currentFile')[0].files.length;i++){
filelistTMP = $('#currentFile')[0].files[i];
filelist.push(filelistTMP);
filelistTMP = {};
}
}
// 缓存区更新
appendObjects(filelist);
// 文件更新后事件监听
$('#emptyTrigger').click(function (){$('#currentFile').val('');$('#filenames, #buttonDiv').empty();$('#inputDiv').show();isAbort=1;onUpload=0;filelist=[];});
$('.fileindex').click(function (){
if(onUpload==1){
// 上传进程已开始 屏蔽按钮
return
}
let th = $(this).attr('id').split('fileindex')[1];
filelist.splice(th,1);
// 缓存区更新
appendObjects(filelist);
flag = 1; // 执行change前，flag置1，不重新读文件
fileChangedByInput();
flag = 0; // 执行change后，flag置0，为下次重新读文件做准备
if(filelist.length==0){
// 点击的文件是最后一个文件，则直接执行清空
$('#emptyTrigger').trigger('click');
}
})
// 上传按钮的监听要放在change中: change后才有#uploadtrigger
$('#uploadTrigger').click(function (){
if(onUpload==1){
// 上传进程开始，屏蔽按钮
return
}
// 处理文件缓存区
$('#uploadTrigger').css('cursor','not-allowed');
isAbort = 0; // 按上传之前按过清空，将isAbort置回0
sendFileMsg();
function sendFileMsg(){
if(index >= filelist.length){
// 递归结束
$('#currentFile').val(''); // <input>文件清空
$('#emptyTrigger').css('cursor','pointer');
index = 0; // 递归条件置零
onUpload = 0; // 上传开始标志位置0
return // 结束递归
}
let formData = new FormData();
formData.append('Filename', filelist[index].name);
formData.append('Filedata', filelist[index]);
let xReq = new XMLHttpRequest();
xReq.open('POST','http://cc.bjtu.edu.cn:81/meol/servlet/SerUpload');
xReq.addEventListener("load", onSuccess);
xReq.addEventListener("error", onError);
xReq.upload.onloadstart = onStart;
xReq.upload.onprogress = onProgress;
xReq.upload.onabort = onAbort;
xReq.send(formData);
function onStart(){
onUpload = 1; // 上传标志位置1
ot = new Date().getTime(); // 设置上传开始时间,用以计算时间速度
oloaded = 0; // 设置上传开始时，已上传的文件大小为0
// 上传开始，缓存区加入竖线
$('#speedTh'+index).before(' | ');
if(filelist[index].size>52428800){
// 大于50M文件 插入timeremain竖线
$('#timeRemainTh'+index).before(' | ');
}
}
function onProgress(evt){
if(isAbort==1){
xReq.abort(); // 上传过程中随时检查，终止请求
}
// 进度计算
let percentage;
percentage = (evt.loaded * 100 / evt.total).toFixed(0);
// 速度计算
let nt = new Date().getTime(); // 获取当前时间
let perTime = (nt-ot)/1000; // 计算出上次调用该方法时到现在的时间差，单位为s
ot = new Date().getTime(); //重新赋值，用以下次计算
let perLoad = evt.loaded - oloaded; // 计算该分段上传的文件大小，单位b
oloaded = evt.loaded; // 重新赋值，用以下次计算
let speed = perLoad/perTime; // 单位 B/s
let bspeed = speed;
let Sunits = 'B/s';
if(speed/1024>1){
speed = speed/1024;
Sunits = 'KB/s'
}
if(speed/1024>1){
speed = speed/1024;
Sunits = 'MB/s';
}
speed = speed.toFixed(1);
// 时间计算 文件>50MB触发
if(evt.total>52428800){
let restTime = ((evt.total-evt.loaded)/bspeed).toFixed(0);
// 实时更新文件缓存区
$('#timeRemainTh'+index).html(upldIconList[0]+restTime+'s');
$('#timeRemainTh'+index).attr('title','剩余时间');
}
// 实时更新文件缓存区
$('#fileTh'+index).css('background-size',percentage+'%');
$('#speedTh'+index).html(upldIconList[1]+speed+Sunits);
}
function onAbort(){
isAbort = 0; // 终止条件置零
index = 0; // 请求终止后index也必须归零，因为中止未完成递归，若中止文件index>0则第二次上传请求无法发起
onUpload = 0; // 上传标志位置0
}
function onSuccess(){
// 插入编辑器操作
let myiframe = document.getElementsByTagName('iframe')[1].contentDocument;
let textArea = myiframe.getElementsByClassName('cke_show_borders');
let constructor = '<p><a data-cke-saved-href="/meol/'+this.responseText+'" href="/meol/'+this.responseText+'">'+filelist[index].name+'</a></p>';
$(textArea).append(constructor);
// 处理缓存区操作
let clipboard = new ClipboardJS('#filenameTH'+index); // 要用id做索引 否则会重复调用.on 但在清空后重新上传还是会重复调用T.T
let fileURL = 'http://cc.bjtu.edu.cn:81/meol/'+this.responseText;
$('#filenameTH'+index).attr("data-clipboard-text",fileURL);
$('#filenameTH'+index).css('cursor','pointer');
$('#speedTh'+index).html(upldIconList[2]);
$('#speedTh'+index).attr('title','[已上传]');
$('#timeRemainTh'+index).remove();
$('#fileTh'+index).css('background','#c6f062');
clipboard.on('success', function(evt) {
alert('【'+$(evt.trigger).text()+'】文件链接已复制到剪切板')
evt.clearSelection();
});
// 递归操作
index++;
sendFileMsg();
}
function onError(){
alert('Failed');
}
}
})
}
function getSizeType(filelist){
let RtnsizeType = [];
for(let item of filelist){
let sizeTypeTMP = {};
if(item.size<1024){
sizeTypeTMP.size = (item.size).toFixed(2);
sizeTypeTMP.type = 'B';
}
else if(item.size>1024&&item.size<1048576){
sizeTypeTMP.size = (item.size/1024).toFixed(2);
sizeTypeTMP.type = 'KB';
}
else if(item.size>1048576&&item.size<1073741824){
sizeTypeTMP.size = (item.size/1048576).toFixed(2);
sizeTypeTMP.type = 'MB';
}
else if(item.size>1073741824){
alert('你选择了大于1GB的文件，服务器存储资源有限，建议选择其他传输方式。');
sizeTypeTMP.size = (item.size/1073741824).toFixed(2);
sizeTypeTMP.type = 'GB';
}
RtnsizeType.push(sizeTypeTMP);
}
return RtnsizeType;
}
function getNameType(filelist){
// 文件名显示长度限制
let nameType = [];
let limit;
for(let item of filelist){
let splitName = item.name.split('.'); // 预防文件名中含.的情况
let newName = splitName[0];
for(let i=1;i<splitName.length-1;i++){
newName = newName + '.' + splitName[i];
}
limit = isChina(newName); // 即时生成limit限制
if(newName.length>limit){ // 有后缀超长文件
newName = newName.slice(0,limit) + '... .'+ splitName.pop();
}
else if(newName.length==0){ // 无后缀文件
newName = splitName[0];
}
else { // 默认去掉了后缀 把后缀加回来
newName = newName +'.'+ splitName.pop();
}
nameType.push(newName);
}
function isChina(str){
if (escape(str).indexOf("%u")<0){
return 35; // 不包含中文
} else {
return 18; // 包含中文
}
}
return nameType;
}
function getFileType(filelist){
// 文件图标类型
let fileType = [];
for(let item of filelist){
let fileTypeTMP = {};
if(item.type.indexOf('image')!=-1){
fileTypeTMP.icon = fileTypeIconList[1];
fileTypeTMP.info = '[图像]';
}
else if(item.type.indexOf('zip')!=-1){
fileTypeTMP.icon = fileTypeIconList[2];
fileTypeTMP.info = '[压缩文件]';
}
else if(item.type.indexOf('video')!=-1){
fileTypeTMP.icon = fileTypeIconList[3];
fileTypeTMP.info = '[视频]';
}
else if(item.type.indexOf('officedocument')!=-1){
fileTypeTMP.icon = fileTypeIconList[4];
fileTypeTMP.info = '[文档]';
}
else if(item.type.indexOf('pdf')!=-1){
fileTypeTMP.icon = fileTypeIconList[5];
fileTypeTMP.info = '[文档]';
}
else {
fileTypeTMP.icon = fileTypeIconList[0];
fileTypeTMP.info = '[文件]';
}
fileType.push(fileTypeTMP);
}
return fileType;
}
function judgeOnceInPage(){
if($("script:contains('该作业不允许重复提交,确定提交作业吗？')").length!=0){
let newspan = '<span>（只能提交一次）</span>';
$('span:contains("查看作业任务")').after(newspan);
alert("注意，此作业只能提交一次，请检查无误后再提交！");
return 1;
}
else return 0;
}
function getInfoList(){
let initInfoList = $('.infolist');
let initSubmits = $('.enter');
let infoList = [];
for(let i=0;i<initInfoList.length;i++){
let infoTMP = {};
infoTMP.id = initInfoList[i].getAttribute('href').split('=')[1];
infoTMP.name = initInfoList[i].innerText;
for(let j=0;j<initSubmits.length;j++){
infoTMP.able = (initSubmits[j].getAttribute('href').split('=')[1]==infoTMP.id);
if(infoTMP.able) break;
}
infoList.push(infoTMP);
appendOnceInfo(infoTMP.id);
appendSubmitInfo(infoTMP.id);
function appendOnceInfo(hwtid){
if(!infoTMP.able){ // 过期作业，不发请求
return
}
let url = 'http://cc.bjtu.edu.cn:81/meol/common/hw/student/write.jsp?hwtid='+hwtid;
let data = 'hwtid='+hwtid;
let xReq = new XMLHttpRequest();
xReq.open('GET',url,false); // 注意，此处请求应当为同步请求 否则调用this拿到的数据是undefined
xReq.addEventListener("load", onSuccess);
xReq.send(data);
function onSuccess(){
let myResponse = this.responseText; // 检查是否只能提交一次
if(myResponse.indexOf('该作业不允许重复提交,确定提交作业吗？')!=-1){
let attentionIcon = '<a class="attentionIcon" title="此作业只允许提交一次" style="cursor:default;">'+infoIconList[5]+'</a>'
$(".infolist[href='hwtask.view.jsp?hwtid="+infoTMP.id+"']").before(attentionIcon);
}
else {
let attentionIcon = '<a class="attentionIcon" title="此作业允许重复提交" style="cursor:default;">'+infoIconList[3]+'</a>'
$(".infolist[href='hwtask.view.jsp?hwtid="+infoTMP.id+"']").before(attentionIcon);
}
}
}
function appendSubmitInfo(hwtid){
if(!infoTMP.able){ // 过期作业，不发请求
return
}
let url = 'http://cc.bjtu.edu.cn:81/meol/common/hw/student/taskanswer.jsp?hwtid='+hwtid;
let data = 'hwtid='+hwtid;
let xReq = new XMLHttpRequest();
xReq.responseType = "document";
xReq.open('GET',url); // 此处请求应当为异步请求 用以接收text/html数据
xReq.addEventListener("load", onSuccess);
xReq.send(data);
function onSuccess(){ // 检查是否已经提交
let myResponse = this.responseXML;
let iptArea = $(myResponse).find("tr:contains('回答的内容')+tr>td>input");
if(iptArea.length<=0){
let submitIcon = '<a class="submitIcon" title="作业未提交" style="cursor:default;">'+infoIconList[4]+'</a>'
$(".infolist[href='hwtask.view.jsp?hwtid="+infoTMP.id+"']").before(submitIcon);
}
else{
let submitIcon = '<a class="submitIcon" title="作业已提交" style="cursor:default;">'+infoIconList[6]+'</a>'
$(".infolist[href='hwtask.view.jsp?hwtid="+infoTMP.id+"']").before(submitIcon);
}
}
}
}
return infoList;
}
function dateString2Object(dateString, toFormatted){
let year = dateString.split('年')[0];
dateString = dateString.split('年')[1];
let month = dateString.split('月')[0];
dateString = dateString.split('月')[1];
let day = dateString.split('日')[0];
dateString = dateString.split('日')[1];
// 当天23:59:59为作业提交截止日期
let rtnDate = new Date(year,month,day,23,59,59);
if(toFormatted==1) return (year+'-'+month+'-'+day);
else return new Date(year,month-1,day,23,59,59);
}
function getReminder(){
if(location.href.indexOf('main.jsp')>=0||location.href.indexOf('welcomepage/student/index.jsp')==-1){
// 只发welcome页的一次请求，在main或不在welcome都返回
return
}
let url = 'http://cc.bjtu.edu.cn:81/meol/welcomepage/student/interaction_reminder.jsp?';
let xReq = new XMLHttpRequest();
xReq.responseType = "document";
xReq.open('GET',url,true); // 注意，此处请求应当为异步请求 用以接收text/html数据
xReq.addEventListener("load", onSuccess);
xReq.send();
function onSuccess(){
let reminderList = $(this.responseXML).find("li:contains('门课程有待提交作业')").find('ul>li');
let courseTable = document.getElementsByClassName('courseList');
let courseIdList = [];
for(let i=0;i<reminderList.length;i++){
// 1.主界面reminder标红 2.提取标红课程ID->courseIdList
let nowID = $(reminderList[i]).find('a').attr('href').split('lid=')[1].split('&t=hw')[0];
let nowCourse = $(courseTable).find("a[href*='"+nowID+"']");
$(nowCourse).css('color','#C00');
courseIdList.push($(reminderList[i]).find('a').attr('href').split('lid=')[1].split('&t=hw')[0]);
}
let noteList = document.getElementsByClassName('notelist');
$(noteList).find('.list>ul').hide();
$(noteList).find('.more>a').hide();
$(noteList).find('.list').append('<ul class="now"></ul>');
$(noteList).find('.list').append('<h4 class="loading">作业列表加载中...</h4>');
$(noteList).find('.more').prepend('<a class="scheduleToggleBtn" title="查看作业" style="font-weight: bold; cursor: pointer"><<查看作业 </a>');
$(noteList).find('.more').prepend('<a class="noticeToggleBtn" title="查看通知" style="font-weight: bold; cursor: pointer">查看通知>></a>');
$(noteList).find('.more').prepend('<a class="sortToggleBtn" title="按课程/时间排序" style="font-weight: bold; cursor: pointer" sortStatus="0">#️⃣ </a>');
$(noteList).find('.list').css({ "overflow": "auto", "height": "150px"});
$(noteList).find(".list>ul[class='now']").css("padding-bottom", "35px");
$(noteList).find('.scheduleToggleBtn').hide();
$(noteList).find('.noticeToggleBtn').click(function (){$(noteList).find('.list>ul').toggle();$(noteList).find('.more>a').toggle();});
$(noteList).find('.scheduleToggleBtn').click(function (){$(noteList).find('.list>ul').toggle();$(noteList).find('.more>a').toggle();});
courseIdList.forEach(function (courseID) {
// 1.访问课程页 onSuccess() => 2.访问当前课程作业界面 onSuccess() => 3.整理作业信息
let thisURL = 'http://cc.bjtu.edu.cn:81/meol/jpk/course/layout/newpage/index.jsp?courseId='+courseID;
let thisXReq = new XMLHttpRequest();
let thisData = 'courseId='+courseID;
thisXReq.open('GET',thisURL,false); // 此步须同步，否则只能取到[-1]的信息
thisXReq.addEventListener("load", onSuccess);
thisXReq.send(thisData); // 1.访问课程页
function onSuccess(){
let courseName = this.responseText.split('<title>网络课程—')[1].split('</title>')[0].trim();
let baseURL = 'http://cc.bjtu.edu.cn:81/meol/common/hw/student/hwtask.jsp'
let baseXReq = new XMLHttpRequest();
baseXReq.responseType = 'document';
baseXReq.open('GET',baseURL);
baseXReq.send(); // 2.访问当前课程作业界面
baseXReq.addEventListener("load", onSuccess);
function onSuccess(){ // 3.整理作业信息
$(noteList).find(".list>h4[class='loading']").remove(); // 移除加载loading信息
let myResponse = this.responseXML;
let initInfoList = $(myResponse).find('.infolist');
let initSubmits = $(myResponse).find('.enter');
let initDate = $(myResponse).find("td[class!='align_c']+td");
let infoList = [];
for(let i=0;i<initInfoList.length;i++) {
let infoTMP = {};
let dateString = initDate[i].innerText.split('\n')[0];
infoTMP.courseID = courseID;
infoTMP.courseName = courseName;
infoTMP.hwtID = initInfoList[i].getAttribute('href').split('=')[1];
infoTMP.hwtName = initInfoList[i].innerText.split('\n')[0];
infoTMP.dateStr = dateString;
infoTMP.dateObj = dateString2Object(dateString);
infoTMP.dateStrF = dateString2Object(dateString, 1);
for (let j=0;j<initSubmits.length;j++){
infoTMP.able = (initSubmits[j].getAttribute('href').split('=')[1] == infoTMP.hwtID);
if (infoTMP.able) break;
}
infoList.push(infoTMP);
}
infoList.sort(function (a, b){
return new Date(a.dateObj) - new Date(b.dateObj) // 排序
})
let infoListToShow = infoList.filter(function(value){ // 只显示截止日期近一周的作业
return value.dateObj.valueOf()>new Date().valueOf() && (value.dateObj.valueOf()-new Date().valueOf())<604800000;
})
for(let value of infoListToShow){
$(noteList).find(".list>ul[class='now']").append('<li courseID="'+value.courseID+'"><a href="http://cc.bjtu.edu.cn:81/meol/common/hw/student/write.jsp?hwtid='+value.hwtID+'" type="hwt" title="'+value.hwtName+'" target="_blank">'+value.hwtName+'</a><a href="http://cc.bjtu.edu.cn:81/meol/common/hw/student/hwtask.jsp?" target="_blank" type="course" style="background: none;">['+value.courseName+']</a><span class="date">'+value.dateStrF+'</span></li>')
}
if(courseIdList.indexOf(courseID)+1==courseIdList.length){
// 此次遍历为最后一次
// 1.添加链接预访问事件监听
$(noteList).find(".list>ul[class='now']>li").mouseenter(function (){
let ulID = $(this).attr('courseID');
let ulURL = 'http://cc.bjtu.edu.cn:81/meol/jpk/course/layout/newpage/index.jsp?courseId='+ulID;
let ulXReq = new XMLHttpRequest();
let ulData = 'courseId='+ulID;
ulXReq.open('GET',ulURL,true);
ulXReq.addEventListener("load", onSuccess);
ulXReq.send(ulData);
function onSuccess(){
return
}
})
// 2.标红加粗插入时间提示
let hwtList = $(noteList).find(".list>ul[class='now']>li>a[type='hwt']");
let dateSpan = $(noteList).find(".list>ul[class='now']>li>span");
for(let i=0;i<dateSpan.length;i++){
let item = $(hwtList[i]);
let itemTime = dateSpan[i].innerText.split('-');
let thisStamp = new Date(itemTime[0],itemTime[1]-1,itemTime[2],23,59,59).valueOf();
let nowStamp = new Date().valueOf();
let diffStamp = thisStamp - nowStamp;
if(diffStamp<86400000){
$(item).html('[今天截止] '+$(item).html()); // 小于24小时，当日截止
$(item).parent().attr('remaintime','0');
}
else{
$(item).html('[还有'+parseInt(diffStamp/(1000*60*60*24))+'天截止] '+$(item).html());
$(item).parent().attr('remaintime',parseInt(diffStamp/(1000*60*60*24)));
}
if(parseInt(diffStamp/(1000*60*60*24))<=3){ // 时间戳差值小于三天则标红且加粗(ms)
$(item).attr('class','top');
$(item).next().attr('class','top');
$(item).css('font-weight','bold');
$(item).next().css('font-weight','bold');
}
}
// 3.添加排序事件监听 默认按剩余时间排序
$('.sortToggleBtn').click(function (){
let liList = $(noteList).find(".list>ul[class='now']>li");
if($(this).attr('sortstatus')==0){ // 按课程名排序
let courses = liList.map(function (){
return $(this).attr('courseid')
})
sortDOM(liList, courses, 'courseid');
$(this).attr('sortstatus','1');
}
else if($(this).attr('sortstatus')==1){ // 按截止日期排序
let remaintimes = liList.map(function (){
return $(this).attr('remaintime')
})
sortDOM(liList, remaintimes, 'remaintime');
$(this).attr('sortstatus','0');
}
})
function sortDOM(liList, sortBy, sortName){
sortBy.sort(function (a,b){
return a-b;
})
for(let i=0;i<sortBy.length;i++){
let value = sortBy[i];
for(let i=0;i<liList.length;i++){
let item = liList[i];
if($(item).attr(sortName)==value){
$(noteList).find(".list>ul[class='now']").append(item);
}
}
}
}
let liList = $(noteList).find(".list>ul[class='now']>li");
let remaintimes = liList.map(function (){
return $(this).attr('remaintime')
})
sortDOM(liList, remaintimes, 'remaintime'); // 默认按时间排序
}
}
}
})
}
}
// 页面加载完毕执行函数
window.onload = function () {
if($("span:contains('查看作业任务')").length==0){
// 判断是否在作业页面
return
}
let oBox = document.getElementById('inputDiv');
let timer = null;
document.ondragover = function(){
clearTimeout(timer);
timer = setTimeout(function(){
// 文件放下后执行操作
$('#p1').html('📁文件上传📝');
$('#p1').css('font-weight','');
$('#inputDiv').css('background-color','#c6f062');$('#textShow').css('color','#5c6b77');
},200);
};
// 进入子集的时候 会触发ondragover 频繁触发 不给ondrop机会
oBox.ondragover = function(){
return false;
};
oBox.ondragleave = function(){
$('#p1').html('📌请将文件拖拽到此区域');
$('#p1').css('font-weight','bold');
$('#inputDiv').css('background-color','#96d205');$('#textShow').css('color','#e7e8e0');
};
oBox.ondrop = function(ev){
$('#currentFile')[0].files = ev.dataTransfer.files;
fileChangedByInput();
return false;
};
};
// 列表信息增强与单词提交判断函数触发
judgeOnceInPage();
getInfoList();
getReminder();
})();
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