新版小愛課程表正方教務(wù)系統(tǒng)課表適配

前言

之前寫過一篇小愛課程表的教務(wù)系統(tǒng)適配，但是是比較老的版本開發(fā)者工具適配了，最近看到小愛課程表開發(fā)者工具更新了，就想著寫一篇新的博客，順便優(yōu)化一下之前的代碼，還提供了部分課程實例的一些解析代碼

1.安裝小愛課程表開發(fā)者工具

其實安裝這部分并不屬于本篇文章的內(nèi)容，但是鑒于新版開發(fā)者工具提供了更全面的文檔信息，所以把文檔鏈接放在前面，方便讀者去安裝下載開發(fā)者工具：
https://open-schedule-prod.ai.xiaomi.com/docs/#/help/

2.文檔分析

安裝好以后，我們打開文檔，閱讀一下導(dǎo)入課表需要的代碼

我們知道，導(dǎo)入課表的代碼分為了3個文件以及他們的作用
于是我們按順序分別開始編輯代碼

(1)provider.js

第一個代碼是提供必要的html，也就是拿到網(wǎng)頁的html后直接return即可，所以我們分析網(wǎng)頁內(nèi)必要的代碼部分
我們可以看到，正方教務(wù)系統(tǒng)的功能區(qū)域代碼是基于iframe的，因此我們必要的功能區(qū)域代碼也就是id=”iframeautoheight“的部分，所以provider.js代碼如下：

function scheduleHtmlProvider(iframeContent = "", frameContent = "", dom = document) {return dom.querySelector('#iframeautoheight').contentWindow.document.body.innerHTML; }

(2)parser.js

第二個代碼的功能是返回具體課程內(nèi)容的，所以對第一個代碼返回過來的html文件進(jìn)行解析最后生成對應(yīng)格式返回即可。
下面我們對課表網(wǎng)頁進(jìn)行分析，課表是用table進(jìn)行展示的：
下面我們的思路就是對table進(jìn)行遍歷。通過閱讀文檔，我們知道，parser是提供了Cheerio的，所以我們使用其去解析網(wǎng)頁代碼：

var jsonArray = [];function scheduleHtmlParser(html) {var $ = cheerio.load(html, { decodeEntities: false });$("#Table6 tr").each(function (i) {if (i > 1) {$(this).children('td').each(function (j) {if ((i - 1) == 3 || (i - 1) == 7) {if (j > 0) {console.log("第"+(i-1)+"節(jié)課，周"+(j)+"課程信息："+$(this).html());}} else if ((i - 1) == 1 || (i - 1) == 5 || (i - 1) == 9) {if ((j - 1) > 0) {console.log("第"+(i-1)+"節(jié)課，周"+(j-1)+"課程信息："+$(this).html());}}})}})return jsonArray; }

好了，課表解析出來之后，接下來我們測試一下：

輸出結(jié)果沒有問題，下面我們分析課程信息。不難看出，每個課程均為4行，分別是課程名、上課周次、教師姓名、上課地點，之間分別有<br>進(jìn)行分割，如果為多個課程，后面會有<br><br><br>對不同課程進(jìn)行分割，所以我們只需要通過split()函數(shù)對課程信息字符串進(jìn)行分割即可，所以代碼如下：

/**得到單科課程信息（班級課表） */ function getClass(classHtml, day, section) {var classA = [];var classs = classHtml.split('<br><br><br>');if (classs.length >= 1) { //防止空課表for (var i = 0; i < classs.length; i++) { //遍歷所有課程if (classs[i].indexOf("<br>") != -1) { //判斷課程信息是否可以正常分割var classObj = {};var classsObj = classs[i].split("<br>"); //對課程進(jìn)行分割classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);}}}return classA; }/**周次解析（班級課表） */ function getWeeks(weeksHtml) {var weeksStr = weeksHtml;var weeksA = [];if (weeksStr) {var weekArr = weeksStr.split(',')if (weekArr.length > 2) { //不正常周次for (var j = 0; j < weekArr.length - 1; j++) { //循環(huán)所有周次區(qū)間if (weekArr[j].indexOf("單") != -1) { //單周if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}}else if (weekArr[j].indexOf("雙") != -1) { //雙周if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else {if (weekArr[j].indexOf("-") != -1) { //帶有-符號的周次if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i++) {weeksA.push(parseInt(i))}}} else {//不帶有-符號的周次weeksA.push(parseInt(weekArr[j]))}}}} else { //正常周次if (weeksStr.indexOf('單') != -1) {if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else if (weeksStr.indexOf('雙') != -1) {if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else {if (weeksStr.indexOf("-") != -1) { //帶有-符號的周次if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i++) {weeksA.push(parseInt(i))}}} else {//不帶有-符號的周次weeksA.push(parseInt(weekArr[0]))}}}}return weeksA; }

代碼可能有點多，但都是很基礎(chǔ)的判斷和split()的運用，周次解析沒有簡單的只解析1-18(1,2)這種格式，包括1-2,3-8單,9,10-14雙,15-18(1,2)這種復(fù)雜的周次結(jié)構(gòu)也可以解析

所以，上面的代碼拼到一起，就可以得到我們的課程解析的parser.js代碼：

var jsonArray = [];function scheduleHtmlParser(html) {var $ = cheerio.load(html, { decodeEntities: false });$("#Table6 tr").each(function (i) {if (i > 1) {$(this).children('td').each(function (j) {if ((i - 1) == 3 || (i - 1) == 7) {if (j > 0) {var classA = [].concat(getClass($(this).html(), j, (i - 1)));for (var k = 0; k < classA.length; k++) {jsonArray.push(classA[k]);}}} else if ((i - 1) == 1 || (i - 1) == 5 || (i - 1) == 9) {if ((j - 1) > 0) {var classA = [].concat(getClass($(this).html(), (j - 1), (i - 1)));for (var k = 0; k < classA.length; k++) {jsonArray.push(classA[k]);}}}})}})return jsonArray; }/**得到單科課程信息（班級課表） */ function getClass(classHtml, day, section) {var classA = [];var classs = classHtml.split('<br><br><br>');if (classs.length >= 1) { //防止空課表for (var i = 0; i < classs.length; i++) { //遍歷所有課程if (classs[i].indexOf("<br>") != -1) { //判斷課程信息是否可以正常分割var classObj = {};var classsObj = classs[i].split("<br>"); //對課程進(jìn)行分割classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);}}}return classA; }/**周次解析（班級課表） */ function getWeeks(weeksHtml) {var weeksStr = weeksHtml;var weeksA = [];if (weeksStr) {var weekArr = weeksStr.split(',')if (weekArr.length > 2) { //不正常周次for (var j = 0; j < weekArr.length - 1; j++) { //循環(huán)所有周次區(qū)間if (weekArr[j].indexOf("單") != -1) { //單周if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}}else if (weekArr[j].indexOf("雙") != -1) { //雙周if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else {if (weekArr[j].indexOf("-") != -1) { //帶有-符號的周次if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i++) {weeksA.push(parseInt(i))}}} else {//不帶有-符號的周次weeksA.push(parseInt(weekArr[j]))}}}} else { //正常周次if (weeksStr.indexOf('單') != -1) {if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else if (weeksStr.indexOf('雙') != -1) {if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else {if (weeksStr.indexOf("-") != -1) { //帶有-符號的周次if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i++) {weeksA.push(parseInt(i))}}} else {//不帶有-符號的周次weeksA.push(parseInt(weekArr[0]))}}}}return weeksA; }

(4)timer.js

這個代碼就很好理解了，用來設(shè)置課程的時間，總周次的一些信息，所以我們照著文檔提供的代碼修改即可（開學(xué)時間為空即可）：

/*** 時間配置函數(shù)，此為入口函數(shù)，不要改動函數(shù)名*/async function scheduleTimer({providerRes,parserRes } = {}) {return {totalWeek: 20, // 總周數(shù)：[1, 30]之間的整數(shù)startSemester: '', // 開學(xué)時間：時間戳，13位長度字符串，推薦用代碼生成startWithSunday: false, // 是否是周日為起始日，該選項為true時，會開啟顯示周末選項showWeekend: true, // 是否顯示周末forenoon: 4, // 上午課程節(jié)數(shù)：[1, 10]之間的整數(shù)afternoon: 4, // 下午課程節(jié)數(shù)：[0, 10]之間的整數(shù)night: 2, // 晚間課程節(jié)數(shù)：[0, 10]之間的整數(shù)sections: [{ section: 1, startTime: "08:00", endTime: "08:50" },{ section: 2, startTime: "09:00", endTime: "9:50" },{ section: 3, startTime: "10:10", endTime: "11:00" },{ section: 4, startTime: "11:10", endTime: "12:00" },{ section: 5, startTime: "14:30", endTime: "15:20" },{ section: 6, startTime: "15:30", endTime: "16:20" },{ section: 7, startTime: "16:30", endTime: "17:20" },{ section: 8, startTime: "17:30", endTime: "18:20" },{ section: 9, startTime: "19:30", endTime: "20:20" },{ section: 10, startTime: "20:20", endTime: "21:30" }], // 課程時間表，注意：總長度要和上邊配置的節(jié)數(shù)加和對齊}// PS: 夏令時什么的還是讓用戶在夏令時的時候重新導(dǎo)入一遍吧，在這個函數(shù)里邊適配吧！奧里給！————不愿意透露姓名的嚶某人 }

4.補充代碼

上面我們實現(xiàn)的代碼已經(jīng)可以滿足正常課表的解析了，這部分主要是提供一些不正常的課程信息的解析方法，最后貼上對應(yīng)的parser.js的代碼。

(1)專修課

如果出現(xiàn)這種專修科，因為周次一致的緣由，所以筆者的方案是將課程拼接起來

所以我們的課程解析的代碼為：

/**得到單科課程信息（班級課表） */ function getClass(classHtml, day, section) {var classA = [];var classs = classHtml.split('<br><br><br>');if (classs.length >= 1) { //防止空課表for (var i = 0; i < classs.length; i++) { //遍歷所有課程if (classs[i].indexOf("<br>") != -1) { //判斷課程信息是否正常var classObj = {};var classsObj = classs[i].split("<br>"); //對課程進(jìn)行分割if (classs[1] && classs[1] != "" && classs[1] != undefined) { //如果存在index為1的索引if (classs[1] && classs[1] != "" && classs[0].split("<br>")[1] != classs[1].split("<br>")[1]) { //如果當(dāng)前課程前兩節(jié)小課時間不相同，則是單雙周課，而不是專修課classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);} else { //如果當(dāng)前課程前兩節(jié)小課時間不相同，則不是單雙周課，而是專修課if (i == 0) { //第一次添加值classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);} else if (i == classs.length - 1) { //最后一次添加值classA[classA.length - 1].name = classA[classA.length - 1].name + "," + classsObj[0];classA[classA.length - 1].position = classA[classA.length - 1].position + "," + classsObj[3];classA[classA.length - 1].teacher = classA[classA.length - 1].teacher + "," + classsObj[2];} else { //正常添加值classA[classA.length - 1].name = classA[classA.length - 1].name + "," + classsObj[0];classA[classA.length - 1].position = classA[classA.length - 1].position + "," + classsObj[3];classA[classA.length - 1].teacher = classA[classA.length - 1].teacher + "," + classsObj[2];}}} else {//如果不存在，則為單個課程classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);}}}}return classA; }

(2)學(xué)生個人課表

筆者學(xué)校教務(wù)系統(tǒng)提供了班級課表和學(xué)生個人課表兩種課表查詢功能，上面我們僅僅做了班級課表的解析，如果上線到教務(wù)系統(tǒng)適配中，同學(xué)使用個人課表解析就會出現(xiàn)問題了，所以我們用相同的方法對個人課表進(jìn)行解析，具體的分析方法同上，這里提供一份完整的解析代碼，讀者可以根據(jù)班級課表的解析代碼舉一反三去學(xué)習(xí)了解一下個人課表的解析代碼：
parser.js

var jsonArray = [];function scheduleHtmlParser(html) {var $ = cheerio.load(html, { decodeEntities: false });if ($("#Table6").length > 0) {//班級課表查詢界面適配$("#Table6 tr").each(function (i) {if (i > 1) {$(this).children('td').each(function (j) {if ((i - 1) == 3 || (i - 1) == 7) {if (j > 0) {var classA = [].concat(getClass($(this).html(), j, (i - 1)));for (var k = 0; k < classA.length; k++) {jsonArray.push(classA[k]);}// console.log("第"+(i-1)+"節(jié)課，周"+(j)+"課程名稱："+$(this).html());}} else if ((i - 1) == 1 || (i - 1) == 5 || (i - 1) == 9) {if ((j - 1) > 0) {var classA = [].concat(getClass($(this).html(), (j - 1), (i - 1)));for (var k = 0; k < classA.length; k++) {jsonArray.push(classA[k]);}// console.log("第"+(i-1)+"節(jié)課，周"+(j-1)+"課程名稱："+$(this).html());}}})}})}else {//個人課表查詢界面適配$("#Table1 tr").each(function (i) {if (i > 1) {$(this).children('td').each(function (j) {if ((i - 1) == 3 || (i - 1) == 7) {if (j > 0) {var classA = [].concat(getClassUser($(this).html(), j, (i - 1)));if (classA.length === 1) {jsonArray.push(classA[0]);} else if (classA.length === 2) {jsonArray.push(classA[0]);jsonArray.push(classA[1]);}// console.log("第"+(i-1)+"節(jié)課，周"+(j)+"課程名稱："+$(this).html());}} else if ((i - 1) == 1 || (i - 1) == 5 || (i - 1) == 9) {if ((j - 1) > 0) {var classA = [].concat(getClassUser($(this).html(), (j - 1), (i - 1)));if (classA.length === 1) {jsonArray.push(classA[0]);} else if (classA.length === 2) {jsonArray.push(classA[0]);jsonArray.push(classA[1]);}// console.log("第"+(i-1)+"節(jié)課，周"+(j-1)+"課程名稱："+$(this).html());}}})}})}return jsonArray; }/**得到單科課程信息（班級課表） */ function getClass(classHtml, day, section) {var classA = [];var classs = classHtml.split('<br><br><br>');if (classs.length >= 1) { //防止空課表for (var i = 0; i < classs.length; i++) { //遍歷所有課程if (classs[i].indexOf("<br>") != -1) { //判斷課程信息是否正常var classObj = {};var classsObj = classs[i].split("<br>"); //對課程進(jìn)行分割if (classs[1] && classs[1] != "" && classs[1] != undefined) { //如果存在index為1的索引if (classs[1] && classs[1] != "" && classs[0].split("<br>")[1] != classs[1].split("<br>")[1]) { //如果當(dāng)前課程前兩節(jié)小課時間不相同，則是單雙周課，而不是專修課classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);} else { //如果當(dāng)前課程前兩節(jié)小課時間不相同，則不是單雙周課，而是專修課if (i == 0) { //第一次添加值classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);} else if (i == classs.length - 1) { //最后一次添加值classA[classA.length - 1].name = classA[classA.length - 1].name + "," + classsObj[0];classA[classA.length - 1].position = classA[classA.length - 1].position + "," + classsObj[3];classA[classA.length - 1].teacher = classA[classA.length - 1].teacher + "," + classsObj[2];} else { //正常添加值classA[classA.length - 1].name = classA[classA.length - 1].name + "," + classsObj[0];classA[classA.length - 1].position = classA[classA.length - 1].position + "," + classsObj[3];classA[classA.length - 1].teacher = classA[classA.length - 1].teacher + "," + classsObj[2];}}} else {//如果不存在，則為單個課程classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);}}}}return classA; }/**周次解析（班級課表） */ function getWeeks(weeksHtml) {var weeksStr = weeksHtml;var weeksA = [];if (weeksStr) {var weekArr = weeksStr.split(',')if (weekArr.length > 2) { //不正常周次for (var j = 0; j < weekArr.length - 1; j++) { //循環(huán)所有周次區(qū)間if (weekArr[j].indexOf("單") != -1) { //單周if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}}else if (weekArr[j].indexOf("雙") != -1) { //雙周if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else {if (weekArr[j].indexOf("-") != -1) { //帶有-符號的周次if (weekArr[j]) {var weeksA1 = weekArr[j].split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i++) {weeksA.push(parseInt(i))}}} else {//不帶有-符號的周次weeksA.push(parseInt(weekArr[j]))}}}} else { //正常周次if (weeksStr.indexOf('單') != -1) {if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else if (weeksStr.indexOf('雙') != -1) {if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i = i + 2) {weeksA.push(i);}}} else {if (weeksStr.indexOf("-") != -1) { //帶有-符號的周次if (weeksHtml) {var weeksA1 = weeksHtml.split('-');for (var i = parseInt(weeksA1[0]); i <= parseInt(weeksA1[1]); i++) {weeksA.push(parseInt(i))}}} else {//不帶有-符號的周次weeksA.push(parseInt(weekArr[0]))}}}}return weeksA; }/**得到單科課程信息（個人課表） */ function getClassUser(classHtml, day, section) {var classA = [];var classs = classHtml.split('<br>');if (classs.length > 1) {//防止空課程if (classs.length <= 6) {//當(dāng)課程為標(biāo)準(zhǔn)課程var classObj = {};classObj.name = classs[0];classObj.position = classs[3];classObj.teacher = classs[2];classObj.weeks = [].concat(getWeeksUser(classs[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);} else {//當(dāng)課程為雙課程//第一節(jié)課var classObj = {};classObj.name = classs[0];classObj.position = classs[3];classObj.teacher = classs[2];classObj.weeks = [].concat(getWeeksUser(classs[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classA.push(classObj);//第二節(jié)課if (classs[5].indexOf('調(diào)') != -1) {var classObj1 = {};classObj1.name = classs[7];classObj1.position = classs[10];classObj1.teacher = classs[9];classObj1.weeks = [].concat(getWeeksUser(classs[8]));classObj1.day = day;classObj1.sections = [];classObj1.sections.push(section + 1);classA.push(classObj1);} else {var classObj1 = {};classObj1.name = classs[5];classObj1.position = classs[8];classObj1.teacher = classs[7];classObj1.weeks = [].concat(getWeeksUser(classs[6]));classObj1.day = day;classObj1.sections = [];classObj1.sections.push(section + 1);classA.push(classObj1);}}}return classA; }/**周次解析（個人課表） */ function getWeeksUser(weeksHtml) {var weeksStr = weeksHtml;var weeksA = [];if (weeksStr.indexOf('-') != -1) {var weeksA1 = weeksHtml.split('-');var start = 0;var end = 0;if (weeksA1[0][weeksA1[0].length - 2] != '第') {start = parseInt(weeksA1[0][weeksA1[0].length - 2] + weeksA1[0][weeksA1[0].length - 1])} else {start = parseInt(weeksA1[0][weeksA1[0].length - 1])}if (weeksA1[1][1] != '周') {end = parseInt(weeksA1[1][0] + weeksA1[1][1])} else {end = parseInt(weeksA1[1][0])}if (weeksStr.indexOf('單') != -1) {for (var i = start; i <= end; i = i + 2) {weeksA.push(i);}} else if (weeksStr.indexOf('雙') != -1) {for (var i = start; i <= end; i = i + 2) {weeksA.push(i);}} else {for (var i = start; i <= end; i++) {weeksA.push(parseInt(i))}}}return weeksA; }

(3)多周循環(huán)課程

第三種是筆者在給其他學(xué)校做課程信息適配時候遇到的一種情況

該課程上課方式為，總周次18周，6周為一循環(huán)，每周上課教室不同，所以下面僅提供該種情況的解析代碼

/**得到單科課程信息（班級課表） */ function getClass(classHtml, day, section) {var classA = [];if (classHtml) {var classs = classHtml.split('<br><br><br>');if (classs[0] != "&nbsp;") {//防止空課程if (classHtml.indexOf("/周") != -1) {//如果是特殊的周次for (var j = 0; j < (18 / classs.length); j++) { //對周次進(jìn)行循環(huán)for (var i = 0; i < classs.length; i++) {//遍歷所有課程if (classs[i]) {var classsObj = classs[i].split("<br>");var classObj = {};classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];var weeksA2 = [];var numWeek = ((i + 1) + (classs.length * j));weeksA2.push(numWeek);classObj.weeks = weeksA2;classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);}}}} else {//正常周次for (var i = 0; i < classs.length; i++) {//遍歷所有課程if (classs[i]) {var classsObj = classs[i].split("<br>");var classObj = {};classObj.name = classsObj[0];classObj.position = classsObj[3];classObj.teacher = classsObj[2];classObj.weeks = [].concat(getWeeks(classsObj[1]));classObj.day = day;classObj.sections = [];classObj.sections.push(section);classObj.sections.push(section + 1);classA.push(classObj);}}}}}return classA; }

結(jié)尾

到這里文章就算完成了，如果有不懂的地方可以直接聯(lián)系我咨詢，最后附上審核通過的截圖：

總結(jié)

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