UESTC积极分子学习平台刷课工具
目前為
// ==UserScript==
// @name UESTC积极分子
// @version 0.0.9
// @description UESTC积极分子学习平台刷课工具
// @author 4ehex + fang
// @match https://dxpx.uestc.edu.cn/jjfz/*
// @match https://dxpx.uestc.edu.cn/exam/*
// @connect easylearn.baidu.com
// @grant unsafeWindow
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addStyle
// @grant GM_registerMenuCommand
// @grant GM_xmlhttpRequest
// @require https://cdn.bootcdn.net/ajax/libs/jquery/2.0.0/jquery.js
// @icon http://www.gov.cn/ztzl/17da/183d03632724084a01bb02.jpg
// @license MIT
// @namespace https://greasyfork.org/zh-CN/users/1073349
// ==/UserScript==
/* globals jQuery, $, waitForKeyElements */
let _self = unsafeWindow, url = location.pathname, videoLists = [], interval_id = -1;
//注册油猴菜单
let id_course = RegisterTipMenu("course", "开/关 自动进入未完成课程", "自动进入未完成课程</p><p>(此功能将在进入课程中心时自动查找未完成必读课件的课程)</p>");
let id_compulsory = RegisterTipMenu("compulsory", "开/关 自动进入必修课程", "自动进入必修课程</p><p>(此功能将在进入课程时自动查找未完成的必修课程)</p>");
let id_back = RegisterTipMenu("back", "开/关 自动返回上一级", "自动返回上一级</p><p>(此功能将在完成视频列表里所有播放时, 返回上一级自动查找还未看的视频)</p>");
let id_rightmenu = RegisterTipMenu("rightmenu", "开/关 右键菜单复制", "右键菜单复制</p><p>(此功能将开启右键菜单和复制)</p>");
let id_answer = RegisterTipMenu("answer", "开/关 考试自动搜索答案", "自动搜索答案</p><p>(此功能将自动读取题目，通过百度题库搜索并显示答案)</p>")
let id_about = GM_registerMenuCommand ("关于", function(){
video_note();
});
//通过'百度教育'搜索答案
if (url == "/jjfz/lesson/exam" && GM_getValue("answer")) {
//↓添加一个搜索答案的浮窗
//添加样式
GM_addStyle("body {background: #e9e9e9;font-family: 'Microsoft YaHei','Lantinghei SC','Open Sans',Arial,'Hiragino Sans GB','STHeiti','WenQuanYi Micro Hei','SimSun',sans-serif;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;}.bd_answer {background: #ffffff;position:absolute;box-shadow: 3px 3px 2px grey;}.bd_answer header {background: #bd6982;padding: 10px 15px;color: #ffffff;font-size: 14px;cursor: move;}.bd_answer header:before, .bd_answer header:after {display: block;content: '';clear: both;}.bd_answer header h2, .bd_answer .body ul li .content h3 {margin: 0;padding: 0;font-size: 14px;float: left;}.bd_answer header h2 a {color: #ffffff;text-decoration: none;}.bd_answer header .tools {list-style: none;margin: 0;padding: 0;float: right;}.bd_answer header .tools li {display: inline-block;margin-right: 6px;}.bd_answer header .tools li:last-child {margin: 0;}.bd_answer header .tools li a {color: #ffffff;text-decoration: none;-webkit-transition: all 0.3s linear 0s;-moz-transition: all 0.3s linear 0s;-ms-transition: all 0.3s linear 0s;-o-transition: all 0.3s linear 0s;transition: all 0.3s linear 0s;}.bd_answer .body {position: relative;max-height: 360px;overflow-y: scroll;overflow-x: hidden;}.bd_answer .body .search {display: none;width: 100%;}.bd_answer .body .search.opened {display: block;}.bd_answer .body .search input {width: 100%;margin: 0;padding: 10px 15px;border: none;-webkti-box-size: border-box;-moz-box-size: border-box;box-size: border-box;}.bd_answer .body ul {list-style: none;padding: 0;margin: 0;border-top: 1px solid #f2f2f2;}.bd_answer .body ul li {position: relative;background: #ffffff;display: block;width: 100%;padding: 10px;box-sizing: border-box;}.bd_answer .body ul li:before, .bd_answer .body ul li:after {display: block;content: '';clear: both;}.bd_answer .body ul li:hover .thumbnail {background: #bd6982;}.bd_answer .body ul li:nth-child(2n) {background: #f2f2f2;}.bd_answer .body ul li .thumbnail {display: inline-block;background: #bfbfbf;width: 50px;color: #ffffff;line-height: 50px;text-align: center;text-decoration: none;-webkit-transition: background 0.3s linear 0s;-moz-transition: background 0.3s linear 0s;-ms-transition: background 0.3s linear 0s;-o-transition: background 0.3s linear 0s;transition: background 0.3s linear 0s;}.bd_answer .body ul li .thumbnail img {width: 100%;}.bd_answer .body ul li .content {display: inline-block;margin-left: 6px;vertical-align: top;line-height: 1;}.bd_answer .body ul li .content h3 {display: block;width: 100%;margin-bottom: 5px;color: #808080;}.bd_answer .body ul li .content .preview {display: block;width: 100%;max-width: 200px;margin-bottom: 5px;color: #cccccc;font-size: 12px;}.bd_answer .body ul li .content .meta {color: #b3b3b3;font-size: 12px;}.bd_answer .body ul li .content .meta a {color: #999999;text-decoration: none;}.bd_answer .body ul li .content .meta a:hover {text-decoration: underline;}.bd_answer .body ul li .message {display: none;position: absolute;top: 0;left: 0;overflow: hidden;height: 100%;width: 100%;padding: 10px;box-sizing: border-box;}.bd_answer footer a {background: #bd6982;display: block;width: 100%;padding: 10px 15px;color: #ffffff;font-size: 14px;text-align: center;text-decoration: none;box-sizing: border-box;}.bd_answer footer a:hover {background: #cd8ca0;-webkit-transition: background 0.3s linear 0s;-moz-transition: background 0.3s linear 0s;-ms-transition: background 0.3s linear 0s;-o-transition: background 0.3s linear 0s;transition: background 0.3s linear 0s;}.info {width: 300px;margin: 25px auto;text-align: center;}.info h1 {margin: 0;padding: 0;font-size: 20px;font-weight: 400;color: #333333;}.info span {color: #666666;font-size: 12px;}.info span a {color: #000000;text-decoration: none;}.info span .fa {color: #bd6982;}.info span .spoilers {color: #999999;margin-top: 5px;font-size: 10px;}");
//添加html
$("body").prepend(`<div class="bd_answer" id="asr1" style="width:auto;inset:107px auto auto 124.82px;height:auto;z-index: 9999999;"><header><h2 id="main_title" class="drag_zone">点击右侧获取答案👉</h2><ul class="tools" style="cursor:pointer"><li><div id="get_answer">◼</div></li><li><div id="clear_asr">🗑︎</div></li><li><div id="search_setting">⚙</div></li></ul></header><div class="body"><div id="search_options" style="display: block;"><input id="search_num" placeholder="搜索数量 默认为3" type="number" min="1" max="10" style="float: left;width:62%;"><label style="font-size: 80%;vertical-align: middle;"><input type="checkbox" id="cb_enhanced" style="vertical-align: middle;"/>Enhanced</label></div><ul id="info_container"><li><a class="thumbnail"style="width: 50px;word-wrap: break-word;word-break: break-all;" href="#">[简答]</a><div class="content"><h3>[题目]</h3><span class="preview">[答案]</span> <span class="meta"><a target="_blank" href="[#]">原网页链接</a></span></div></li></ul></div><footer class="drag_zone"><a style="cursor:move">拖动这里移动窗口</a></footer></div>`);
//以下为针对新添加浮窗的JS脚本
var _move=false;//移动标记
var _x,_y;//鼠标离控件左上角的相对位置
$(".drag_zone").click(function(){}).mousedown(function(e){
_move=true;
_x=e.pageX-parseInt($("#asr1").css("left"));
_y=e.pageY-parseInt($("#asr1").css("top"));
$(".bd_answer").fadeTo(20, 0.25);//点击后开始拖动并透明显示
});
$(document).mousemove(function(e){
if(_move){
var x=e.pageX-_x;//移动时根据鼠标位置计算控件左上角的绝对位置
var y=e.pageY-_y;
$(".bd_answer").css({top:y,left:x});//控件新位置
}
}).mouseup(function(){
_move=false;
$(".bd_answer").fadeTo("fast", 1);//松开鼠标后停止移动并恢复成不透明
});
$("#clear_asr").click(function(){//清空答案
$('#info_container').children().each(function(){$(this).remove()});
$("#main_title").text('点击右侧获取答案👉');
});
$("#search_setting").click(function(){
if ($("#search_options").attr("style").indexOf("display: none") != -1) {
$("#search_options").css('display', 'block');
}
else {
$("#search_options").css('display', 'none');
}
});
$("#get_answer").click(function(){
let s_question = $(".exam_h2").text().substr($(".exam_h2").text().indexOf('.') + 1);//获取问题;
if ($('#cb_enhanced').is(':checked')){//如果开启了增强模式则连同题目的选项一起搜索
let s_options = '';
if ($('.e_cont_title').text().indexOf('单选题') != -1) {
s_options = $('.answer_list').text().split(/[\t\r\f\n\s]*/g).join('');
}
else if ($('.e_cont_title').text().indexOf('多选题') != -1){
s_options = $('.answer_list_box').text().split(/[\t\r\f\n\s]*/g).join('');
}
s_question += s_options;
}
//console.log(s_question);
$('#info_container').children().each(function(){$(this).remove()});//删除之前的元素
//在浮窗中添加search_bdjy search_rwwz链接
let template_a = `<li><a class="thumbnail" style="width: 50px;word-wrap: break-word;word-break: break-all;" href="#">[🔎]</a><div class="content"><span class="meta"><a target="_blank" href="[search_bdjy]">🔎: 用百度在'百度教育'中搜索</a></span><br><br><span class="meta"><a target="_blank" href="[search_rwwz]">🔎: 用百度在'瑞文文摘'中搜索</a></span>`;
let bd_search_url = "https://www.baidu.com/s?ie=utf-8&tn=baidu&wd=";
template_a = template_a.replace("[search_bdjy]", bd_search_url + encodeURIComponent("site:easylearn.baidu.com" + s_question));
template_a = template_a.replace("[search_rwwz]", bd_search_url + encodeURIComponent("site:www.rwtext.com" + s_question));
$('#info_container').append(template_a);
//拼接请求URL (pageSize代表返回几个搜索结果)
let search_count = "3",
search_url = "https://easylearn.baidu.com/edu-web/content/search?query=[question]&type=&page=1&pageSize=[seach_count]&clientType=pc",
search_result_ids = new Array(),
basicinfo_url = "https://easylearn.baidu.com/edu-web-go/shiti/basicinfo?id=[entityId]&eqid=&clientType=pc",//通过entityId获取问题答案
basicinfo_result_iqa = new Map();//{id:[question, answer], ...}
if ($("#search_num").val() != '') search_count = $("#search_num").val();
search_url = search_url.replace("[seach_count]", search_count);
//发送搜索题目的GET请求 同步方式
$("#main_title").text('正在发送搜索问题GET请求...');
let true_search_url = search_url.replace("[question]", encodeURIComponent(s_question));
SyncXmlHttpRequest(true_search_url, "GET").then((res) => {
let search_parse = $.parseJSON(res);
if (search_parse.errmsg != "success") {
console.log("[Error] Search GET response Json Not success!");
return alert("搜索响应结果不是success!");
}
if (search_parse.data.list.length <= 0) {
console.log("[Error] Search GET response Json List Empty!");
$("#main_title").text('搜索为空请点击下方搜索...');
return ;//alert("搜索响应结果为空!");
}
search_parse.data.list.forEach(function (item, index) {//遍历搜索结果的entityId
if (item.entityId != null) search_result_ids.push(item.entityId);
});
if (search_result_ids.length <= 0) {
console.log("[Error] Search Result Empty!");
return alert("搜索结果为空!");
}
//发送获取答案的GET请求 同步方式
var promises = search_result_ids.map(function (item) {
//console.log("[Debug] id: " + item);
let true_basicinfo_url = basicinfo_url.replace("[entityId]", item);
return SyncXmlHttpRequest(true_basicinfo_url, "GET").then((res) => {
let basicinfo_parse = $.parseJSON(res);
if (basicinfo_parse.errmsg != "success") {
console.log("[Error] BasicInfo GET response Json Not success!");
return alert("获取答案响应结果不是success!");
}
basicinfo_result_iqa[basicinfo_parse.data.id] = [basicinfo_parse.data.strquestion, basicinfo_parse.data.answer[0].desc];
//console.log("[Debug] 题目: " + basicinfo_parse.data.strquestion);
//console.log("[Debug] 解答: " + basicinfo_parse.data.answer[0].desc);
}).catch((err) => {
console.log("[Error] " + err);
return alert(err);
});
});
$("#main_title").text('题目搜索完毕,发送搜索答案GET请求...');
Promise.all(promises).then(() => {//统一执行
//添加元素到浮窗
let template_li = `<li><a class="thumbnail"style="width: 50px; word-wrap: break-word;word-break: break-all;" href="#">[简答]</a><div class="content"><h3>[题目]</h3><span class="preview">[答案]</span> <span class="meta"><a target="_blank" href="[#]">原网页链接</a></span></div></li>`,
org_answer_url = "https://easylearn.baidu.com/edu-page/tiangong/questiondetail?id=[entityId]&from=jySearch";
$.each(basicinfo_result_iqa, function(key, value){
//console.log("[Debug ]ID: "+ key + "题目: " + value[0] + "[答案]: " + value[1]);
let str_tmp = template_li.replace("[题目]", value[0].substr(0, 20));
if (value[1].indexOf("<img") != -1) {//答案中有图片
let img_ = `<img style="width: auto; height: auto; max-width: 100%; max-height: 60%;"src=` + GetImgSrc(value[1])[0] + "/>";
str_tmp = str_tmp.replace("[答案]", img_);
str_tmp = str_tmp.replace("[简答]", "图片");
}
else {
str_tmp = str_tmp.replace("[答案]", GetPlainText(value[1]));
str_tmp = str_tmp.replace("[简答]", GetPlainText(value[1]).substr(0, 3));
}
str_tmp = str_tmp.replace("[#]", org_answer_url.replace("[entityId]", key));
$('#info_container').append(str_tmp);
});
$("#main_title").text('全部已完成...');
});
}).catch((err) => {
console.log("[Error] " + err);
return alert(err);
});
});
}
if (GM_getValue("rightmenu")) openCopy();
//console.log("[Debug] " + url);
//定位到'必读课件'＜'已完成必读课件'的课程 并自动跳转到'课程中心-精品课程'
if (url == "/jjfz/lesson") {
if (!GM_getValue("dont_note")) video_note();
if(interval_id!= -1) {
clearInterval(interval_id);
interval_id = -1;
}
if (GM_getValue("course")) {
let completed_count = 0, course_count = $(".lesson_c_ul").children().length;
$(".lesson_center_dl").each( function() {
let courseware_ = $(this).text();
let required_ = parseInt(courseware_.substr(courseware_.indexOf("必读课件：") + 5, 4));
let completed_ = parseInt(courseware_.substr(courseware_.indexOf("已完成必读课件：") + 8), 4);
//console.log("必读课件:" + required_ + "\n已完成:" + completed_);
if (required_ > completed_) {//未完成
$(this).next().children()[0].click();//点击'开始学习'
return false;
}
else{
completed_count += 1;
if (completed_count >= course_count) {
alert_note(2, ["好的", "关闭刷课功能"], "提示", '<p>已刷完全部课程</p><p>感谢使用!</p>', 'public_cont1', function () {
$(".public_close").click();
},function (){
GM_setValue("course", false);GM_setValue("compulsory", false);GM_setValue("back", false);
$(".public_close").click();
alert("已关闭 [自动进入未完成课程] [自动进入必修课程] [自动返回上一级]");
});
return false;
}
}
});
}
}
if (url == "/jjfz/lesson/video" && GM_getValue("compulsory")) {
if(interval_id!= -1) {
clearInterval(interval_id);
interval_id = -1;
}
//如果URL最后一位是#则删去
if (window.location.href.substr(-1) == "#") {
window.location.href = window.location.href.replace(/\#$/, '');
return;
}
//转到'必修'页面
if (getUrlParam("required") == null || getUrlParam("required") != '1'){
UpdateUrlParam("required", 1);
return;
}
let page_count = 1, page_cur = 1, lesson_cur = 0, completed_cur = 0;
//获取有几页课程 (判断.page_btn是否存在)
if ($(".page_btn").length != 0) {
page_count = $(".page_btn").siblings("a").length - 2;//a标签还有page_go和末页
page_cur = parseInt($(".page_btn").text());
}
lesson_cur = $(".lesson1_lists ul:first").children().length;
//定位到未完成课程 并自动进入
$(".lesson1_lists ul:first").children().each( function() {
if ($(this).find(".lesson_pass").length == 0) {//判断是否有"完成"标志 没有则进入
$(this).children()[0].click();
return false;
}
else {
completed_cur += 1;
if (completed_cur >= lesson_cur) {//如果已完成的课程等于列表课程数 则翻页 如果到末页则返回上一级
if (page_cur >= page_count) {
console.log("全部已完成，返回课程中心");
if (GM_getValue("back")) $(".head_top_left").find(".head_cut")[0].click();
}
else{
UpdateUrlParam("page", page_cur + 1);
return false;
}
}
}
});
}
if (url.indexOf("jjfz/play") != -1) {
getVideoList();//获取视频播放列表
let nextVideoFlag = false,
nextClassFlag = false;
//不加muted谷歌不让自动播放
setVideoMuted();
interval_id = setInterval(() => {
nextVideoFlag = closeAlert();
nextClassFlag = jumpToVideo(videoLists);
if (nextVideoFlag) nextClassFlag = nextVideo(videoLists);
if (nextClassFlag) goBack();
}, 1000)
}
function getVideoList() {
if ($(".video_lists li").length) {
//console.log("当前视频" + $(".video_red1").text())
videoLists = $(".video_lists li");
}
}
function closeAlert(){
if($(".video_red1>a").css("color") == "rgb(255, 0, 0)"){
nextVideo();
}else if($(".public_cont>.public_text>p").text().indexOf('您需要完整观看一遍课程视频') != -1){
$(".public_cont>.public_btn>a")[0].click();
}else if($(".public_cont>.public_text>p").text().indexOf('视频已暂停') != -1){
$(".public_cont>.public_btn>a")[0].click();
}else if($(".public_btn>.public_cancel").text().indexOf('继续观看') != -1 ) {
$(".public_btn>.public_cancel")[0].click();
}else if($(".public_cont>.public_text>p").text().indexOf('当前视频播放完毕') != -1){
$(".public_cont>.public_btn>a")[0].click();
}else if($(".public_cont>.public_text>p").text().indexOf('上次观看') != -1){
$(".public_cont>.public_btn>a")[1].click();
}else if($("#wrapper>div>div>button").attr("aria-label") == 'Play'){
$("#wrapper>div>button").click();
}
}
//判断是否播放完毕过
function isPlayOverEver() {
//通过判断Player中是否有进度条来判断是否播放完毕
if ($(".plyr__progress").length) {
return true;
}
else {
return false;
}
}
function nextVideo(){
let videoCount = $(".video_lists>ul>li").length;
$(".video_lists>ul>li").each((_,element) => {
if($(element).children("a").css("color") != "rgb(255, 0, 0)"){//通过文本颜色判断是否播放完毕过 (红色为播放完毕过)
$(element).children("a")[0].click()
return false
}else{
videoCount--
if(videoCount == 0) {
console.log("列表播放完毕，返回课程页");
clearInterval(interval_id);
goBack();
}
}
})
}
function jumpToVideo(videoList) {
if ($(".video_red1").find("a").attr("style") == "width:70%;color:red") {
let index = $(videoList).index($(".video_red1"));
if (videoList[index + 1]) {
$(videoList[index + 1]).children("a").attr('id', 'aRemoveAllTxt');
document.getElementById("aRemoveAllTxt").click();
} else {
return true;
}
}
}
function goBack() {
if (GM_getValue("back")) $('.video_goback')[0].click();
}
//给player加上muted标签
function setVideoMuted() {
$(".video_play1").attr("muted");
}
function openCopy() {
$(document).ready(new function () {
document.oncontextmenu = new Function("event.returnValue=true");
document.onselectstart = new Function("event.returnValue=true");
document.oncopy = new Function("return true");
})
}
function video_note() {
alert_note(2, ["关闭", "不再提示"], "UESTC积极分子脚本使用说明", '<p>修改自YNU积极分子</p><p>(我没有学过前端 语法都是现查的 可能有BUG)</p>' +
'<p><font color="aqua"></font>默认功能全关 可点击油猴图标进行设置</p>' +
'<p>本脚本免费使用严谨倒卖</p>',
'public_cont1', function () {
$(".public_close").click(); //此为关闭方法
GM_setValue("dont_note", false)
}, function () {
$(".public_close").click(); //此为关闭方法
GM_setValue("dont_note", true)
});
}
function alert_note(btn_num, btn_text, note_text, public_text, public_cont_class, submit_fun, cancel_fun) {
var public_a;
if (btn_num == 1) {
public_a = '<a href="#" class="public_submit">' + btn_text[0] + '</a>';
} else {
public_a = '<a href="#" class="public_submit">' + btn_text[0] + '</a> <a href="#" class="public_cancel">' + btn_text[1] + '</a>';
}
var public_html = '<div class="public_mask"></div><div class="public_cont ' + public_cont_class + '"><div class="public_title"><h3>' + note_text + '</h3><div class="public_close"></div></div><div class="public_text">' + public_text + '</div><div class="public_btn">' + public_a + '</div></div>';
$("body").append(public_html);
$(".public_close").click(function () {
$(".public_mask").remove();
$(".public_cont").remove();
});
$(".public_mask").click(function () {
$(".public_mask").remove();
$(".public_cont").remove();
});
if (btn_num == 1) {
$(".public_submit").click(function () {
submit_fun();
})
} else {
$(".public_submit").click(function () {
submit_fun();
});
$(".public_cancel").click(function () {
cancel_fun();
})
}
}
// 获取url中参数的值
function getUrlParam(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i");
var r = window.location.search.substr(1).match(reg);
if (r!=null) return (r[2]); return null;
}
// 添加 修改 url中参数的值
function UpdateUrlParam(name, val) {
let thisURL = document.location.href;
// 如果 url中包含这个参数 则修改
if (thisURL.indexOf(name+'=') > 0) {
let v = getUrlParam(name);
if (v != null) {// 是否包含参数
thisURL = thisURL.replace(name + '=' + v, name + '=' + val);
}
else {
thisURL = thisURL.replace(name + '=', name + '=' + val);
}
}
else {// 不包含这个参数 则添加
if (thisURL.indexOf("?") > 0) {
thisURL = thisURL + "&" + name + "=" + val;
}
else {
thisURL = thisURL + "?" + name + "=" + val;
}
}
if (thisURL != document.location.href) document.location.href = thisURL;
};
//注册油猴提示菜单
function RegisterTipMenu(id, menu_text, tip_text) {
let id_menu = GM_registerMenuCommand (menu_text, function(){
if (GM_getValue(id)) {
GM_setValue(id, false);
alert_note(1, ["关闭"], "提示", '<p>已关闭 ' + tip_text, 'public_cont1', function () {
$(".public_close").click();
});
}
else {
GM_setValue(id, true);
alert_note(1, ["关闭"], "提示", '<p>已开启 ' + tip_text, 'public_cont1', function () {
$(".public_close").click();
});
}
});
}
//以同步方式发送跨域请求
function SyncXmlHttpRequest(request_url, method_type) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: method_type,
url: request_url,
headers: {
"Accept": "application/json, text/plain, */*",
"Accept-Encoding": "gzip, deflate, br",
"Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6"
},
onload: function(response) {
if (response.status != 200){
return reject("Search GET response Not 200 OK!");
}
//console.log("[Debug] " + response.responseText);
return resolve(response.responseText);
},
onerror: function(err) {
return reject(err);
}
});
});
}
//去除文本中的html标签
function GetPlainText(val) {
if (val != null && val != "") {
var re1 = new RegExp("<.+?>|&.+?;","g"); //匹配html标签的正则表达式，"g"是搜索匹配多个符合的内容
var msg = val.replace(re1,""); //执行替换成空字符
msg = msg.replace(/\s/g,""); //去掉所有的空格（中文空格、英文空格都会被替换）
msg = msg.replace(/[\r\n]/g,""); //去掉所有的换行符
return msg;
} else return ''
}
//获取<img>中的src的值
function GetImgSrc(article) {
let reg = /(< img|<img).*?(?:>|\/>)/gim //匹配所有图片标签
let srcReg = /src=[\'\"]?([^\'\"]*)[\'\"]?/i // 匹配图片中的src
return article.match(reg).map(val => {
let src = val.match(srcReg)
return src[1]
});
}