导出慕课网的笔记，分为点赞和采集两种（本人编写的也会被导出）。导出的格式为json。导出过程可以暂停，下次在进行导出。
// ==UserScript==
// @name 慕课网笔记导出
// @namespace https://github.com/yeomanye
// @version 0.2
// @description 导出慕课网的笔记，分为点赞和采集两种（本人编写的也会被导出）。导出的格式为json。导出过程可以暂停，下次在进行导出。
// @author Ming Ye
// @match http://www.imooc.com/*/*
// @include https://www.imooc.com/*/*
// @require https://greasyfork.org/scripts/34143-debug/code/debug.js?version=232648
// @require http://cdn.bootcss.com/jquery/1.8.3/jquery.min.js
// @require https://greasyfork.org/scripts/27104-filesaver/code/FileSaver.js?version=173518
// @require https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js
// @grant none
// ==/UserScript==
(function() {
'use strict';
var log = window.myDebugger.consoleFactory('慕课网导出笔记脚本:', 'color:brown;font-size:13px'),
debugTrue = window.myDebugger.debugTrue(true);
var $btnContainer = $('#main .course-info-main .content-wrap .mod-tab-menu .course-menu'),
$collectBtn = $('<a id="exportNoteBtn" style="margin:10px;padding:10px;border-radius:5px;background-color:orange;color:white;cursor:pointer;">导出笔记</a>'),//采集按钮
$exportColCheck = $('<div style="display:inline-block;margin-right:10px"><input type="checkbox" id="exportColCheck"/><span style="color:white;">采集</span>'),
$exportPraCheck = $('<input type="checkbox" id="exportPraCheck"/><span style="color:white;">点赞</span>'),
$curPageLabel = $('<p id="curPage" style="margin-top:10px;margin-left:30px;color:white;"><span>当前采集页数:</span><span id="curPageNum">0</span></p>');
$collectBtn.click(btnClickHandler).appendTo($('#main .course-infos .hd'));
$exportColCheck.appendTo($('#main .course-infos .hd'));
$exportPraCheck.appendTo($('#main .course-infos .hd'));
$curPageLabel.appendTo($('#main .course-infos .hd'));
var isPause = true,
courseId = window.location.pathname.split("/")[2], //课程ID
baseUrl = window.location.protocol + '//' + window.location.hostname + '/note/' + courseId + '?sort=hot&page=',
pageNum = localStorage.getItem('pageNum-'+courseId), //笔记页码
noteTimeout = null,
userObj = fetchUser().data, //用户对象，保存用户相关信息
notes = JSON.parse(localStorage.getItem('notes-'+courseId)), //
isCol = false,//是否收集采集的笔记
isPra = false;//是否收集点赞的笔记
log('课程ID', courseId);
log('基准url', baseUrl);
pageNum = pageNum ? pageNum : 1;
/**
* 导出笔记按钮点击事件
*/
function btnClickHandler(){
isPause = !isPause;
if(isPause){
$("#exportNoteBtn").text('导出笔记');
clearTimeout(noteTimeout)
}else{
isCol = $('#exportColCheck')[0].checked;
isPra = $('#exportPraCheck')[0].checked;
$("#exportNoteBtn").text('暂停导出');
fetchNote();
}
}
/**
* 采集笔记
*/
function fetchNote(){
var htmlText = $.ajax({
url: baseUrl + pageNum,
async: false
}).responseText;
//最后导出笔记
if(htmlText.indexOf('此课程暂无同学记录过笔记')>=0){
var blob = new Blob([JSON.stringify(notes)], {type: "text/plain;charset=utf-8"});
saveAs(blob, "notes.json");
return;
}
log('pageNum',pageNum);
$("#curPageNum").html(pageNum);
++pageNum;
var obj = getNoteElem(htmlText);
var noteStatus = getUserNoteStatus(obj.noteIds);
var colObj = getColObj(noteStatus);
var colIdArr = []; //需要采集的笔记的id数组
if(isCol){
colIdArr = colObj.col;
}else if(isPra){
for(var i=0,len=colObj.pra.length;i<len;i++){
colIdArr.push(colObj.pra[i]);
}
}
var dataArr = fetchColContent(colIdArr,obj.noteStrArr);
notes = notes || [];
for (var i = 0, len = dataArr.length; i < len; i++) {
notes.push(dataArr[i]);
}
log('pageNum',pageNum);
// debugTrue();
localStorage.setItem('notes-'+courseId, JSON.stringify(notes));
localStorage.setItem('pageNum-'+courseId,pageNum);
//当查询不到笔记容器id表示已经获取完所有的笔记了;
noteTimeout = setTimeout(fetchNote,100);
return ;
}
/**
* 获取采集对象
* @param {array} colArr 采集参照的id数组
* @return {object} 采集对象
*/
function fetchColContent(colArr,liStrArr) {
var retDatas = [];
for(var i=0,len=colArr.length;i<len;i++){
var id = colArr[i];
for(var j=0,len2=liStrArr.length;j<len2;j++){
var liStr = liStrArr[j];
if(liStr.indexOf('id="'+id+'"')>=0 || liStr.indexOf('authorid="'+userObj.uid+'"')>=0){
var patternNote = /<div class="js-notelist-content notelist-content mynote">[\s\S]*?<pre class="autowrap">([\s\S]*?)<\/pre>/g,
patternUser = /<div class="tit">[\s\S]*?<a [\s\S]*? target="_blank">([\s\S]*?)<\/a>/g,
patternTime = /<div class="footer clearfix">[\s\S]*?<span [\s\S]*?>时间：([\s\S]*?)<\/span>/g,
patternChapter = /<div class="footer clearfix">[\s\S]*?<a [\s\S]*?>源自：([\s\S]*?)<\/a>/g,
patternAuthLink = /<div class="media">[\s\S]*?<a href="([\s\S]*?)">/,
patternScreenshot = /<div class="js-toggle-notelist answerImg">[\s\S]*?<img [\s\S]*? data-src="([\s\S]*?)"/,
patternCourseLink = /<div class="footer clearfix">[\s\S]*?<a href="[\s\S]*?"/g,
patternFileId = /<div class="disscus-code-icon-wrap">[\s\S]*?<i class="disscus-code-icon js-show-node-code" data-id="([\s\S]*?)"/g;
var noteStr = patternNote.exec(liStr)[1],
user = patternUser.exec(liStr)[1],
time = patternTime.exec(liStr)[1],
chapter = patternChapter.exec(liStr)[1],
authLink = window.location.origin + patternAuthLink.exec(liStr)[1],
courseLink = window.location.origin + patternCourseLink.exec(liStr)[1],
matchScreenshotLink = patternScreenshot.exec(liStr),
matchFileId = patternFileId.exec(liStr);
var data = {
note:noteStr,
time:time,
user:user,
chapter:chapter,
authLink:authLink,
courseLink:courseLink
};
//如果存在截图，则获取截图url
if(matchScreenshotLink && matchScreenshotLink[1]){
data.screenshotLink = window.location.protocol+matchScreenshotLink[1]
}
//如果存在代码快照，则获取代码快照
if(matchFileId && matchFileId[1]){
var retStr = $.ajax({
url: 'https://www.imooc.com/course/viewnotecode?id='+matchFileId[1],
async: false,
}).responseText;
data.codeFiles = JSON.parse(retStr).files;
}
log.logObj('data',data);
retDatas.push(data);
}
}
}
log.logArr('fetchColContent', retDatas);
return retDatas;
}
/**
* 使用jsonp方式获取用户对象,获得对象后保存在window.usr中
*/
function fetchUser() {
var retStr = $.ajax({
url: window.location.protocol+'//www.imooc.com/u/card%20?jsonpcallback=getUser&_=' + new Date().getTime(),
async: false,
}).responseText;
log('fetchUser', retStr);
retStr = retStr.replace('getUser(', '');
retStr = retStr.substr(0, retStr.length - 1);
var usr = JSON.parse(retStr);
log.logObj('fetchUser', usr);
return usr;
}
/**
* 获取采集的id数组
* @param {object} noteStatus 笔记状态对象
* @return {object} 返回采集和点赞的数组{col:[],pra:[]}
*/
function getColObj(noteStatus) {
var tmp = noteStatus.data.collections,
retObj = {
col: [],
pra: []
};
for (var i = 0, len = tmp.length; i < len; i++) {
retObj.col.push(tmp[i].src_note_id);
}
tmp = noteStatus.data.praises;
for (var i = 0, len = tmp.length; i < len; i++) {
retObj.pra.push(tmp[i].note_id);
}
log.logObj('getColIds', retObj);
return retObj;
}
/**
* 获取笔记元素的id和字符串数组
* @return {object} 笔记id和笔记元素字符串数组
*/
function getNoteElem(htmlText){
var pattern = /<ul id="js-note-container" class="mod-post">([\s\S]*)?<\/ul>/g;
var pattern1 = /<li id="([\d]+)" class="post-row js-find-txt" courseid="[\d]+" noteId="[\d]+" authorid="[\d]+">[\s\S]*?<\/li>/g;
var matchArr = pattern.exec(htmlText),
liIds = [],
liStrArr = [],
regInput = matchArr[0];
while(matchArr = pattern1.exec(regInput)){
log.logObj('matchArr',matchArr);
liIds.push(matchArr[1]);
liStrArr.push(matchArr[0]);
}
log.logObj('liStrArr',liStrArr);
log.logArr('liIds',liIds);
return {noteIds:liIds,noteStrArr:liStrArr};
}
/**
* 获取用户笔记状态
* @param {array} ids 用户笔记id数组
* @return {object} 用户笔记操作状态对象
*/
function getUserNoteStatus(ids) {
var retStr = $.ajax({
url: window.location.protocol+'//www.imooc.com/course/AjaxUserNotesStatus?ids=' + ids.join('%2C'),
async: false
}).responseText,
retObj = JSON.parse(retStr);
log('url',window.location.protocol+'//www.imooc.com/course/AjaxUserNotesStatus?ids=' + encodeURI(ids.join('%2C')));
log.logObj('getUserNoteStatus', retObj);
return retObj;
}
})();