丢掉乱七八糟的课程表吧！No Time Table，将课表导出为日历文件！（Tampermonkey脚本）

nott.js

// ==UserScript==
// @name         No Time Table
// @namespace    http://app.ejq.me/
// @version      0.0.4.1
// @description  Export time table as ICS file.
// @author       EJQ
// @include      http://210.42.121.132/servlet/Svlt_QueryStuLsn*
// @include      http://210.42.121.133/servlet/Svlt_QueryStuLsn*
// @include      http://210.42.121.134/servlet/Svlt_QueryStuLsn*
// @include      http://210.42.121.241/servlet/Svlt_QueryStuLsn*
// @grant        none
// @require http://code.jquery.com/jquery-1.12.4.min.js
// @updateURL    https://gist.githubusercontent.com/erjiaqing/f1049583108196310f9b4dcec58d95f7/raw/nott.js
// ==/UserScript==

/**
 *  Copyright (C) 2017 Guo Song (Aka. erjiaqing)
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/*/

Update log:

0.0.4 -> 0.0.4.1:
[HotFix] 格式修复

0.0.3 -> 0.0.4:
[Fix] 将上课地点存在Location域中

0.0.2 -> 0.0.3:
[Fix] 修复部分已安排时间的课程无法显示的问题

0.0.1 -> 0.0.2:
[Fix] 在没填写教学周的时候拒绝导出，同时导出自带update属性

/*/

function calcClassTime(str)
{
	var ret = [];
	var weekDay = '日一二三四五六';
	var regexp1 = /周(.):(\d+)-(\d+)周,每(\d+)周;\s+(\d+)-(\d+)节(,(\d+)区,([^\s]+)){0,1}/g;
	var regexp2 = /周(.):(\d+)-(\d+)周,每(\d+)周;\s+(\d+)-(\d+)节(,(\d+)区,([^\s]+)){0,1}/;

	function p(hour, minute)
	{
		return (hour * 3600 + minute * 60) * 1000;
	}

	var classStart = [p(8, 0),p(8, 50),p(9, 50),p(10, 40),
		p(11, 30),p(14, 5),p(14, 55),p(15, 45),
		p(16, 40),p(17, 30),p(18, 30),p(19, 20),p(20, 10)];

	var classEnd = [p(8, 45),p(9, 35),p(10, 35),p(11, 25),
		p(12, 15),p(14, 50),p(15, 40),p(16, 30),
		p(17, 25),p(18, 15),p(19, 15),p(20, 05),p(20, 55)];

	var m = str.match(regexp1);
	if (m)
		m.forEach(function (e){
			console.log(e);
			var res = e.match(regexp2);
			console.log(res);
			ret.push({
				weekday: weekDay.search(res[1]),
				start_week: Number(res[2]),
				end_week: Number(res[3]),
				interval: Number(res[4]),
				class_begin: classStart[Number(res[5]) - 1],
				class_end: classEnd[Number(res[6]) - 1],
				area: res[8] ? Number(res[8]) : "",
				classroom: res[9] ? res[9] : ""
			});
		});
	return ret;
}

function processRow(r)
{
	console.log(r);
	var ret = calcClassTime(r.children[9].children[0].innerText);
	if (ret.length === 0) return undefined;
	return {
		name: r.children[1].innerText,
		id: r.children[0].innerText,
		note: r.children[10].innerText + "/" + r.children[5].innerText + "/" + r.children[2].innerText,
		time: ret};
}

function processTable()
{
	var r = $("tr");
	var ret = [];
	for (var $i = 1; $i < r.length; $i++)
	{
		var tmp = processRow(r[$i]);
		if (tmp)
			ret.push(tmp);
	}
	return ret;
}

function toTimeStamp(date)
{
	return date.toISOString().replace(/[\-:]/g, '').replace(/\.\d{3}/, '');
}

function saveICS(str)
{
	function saveAs(blob, filename) {
		var type = blob.type;
		var force_saveable_type = 'application/octet-stream';
		if (type && type != force_saveable_type) { // 强制下载，而非在浏览器中打开
			var slice = blob.slice || blob.webkitSlice || blob.mozSlice;
			blob = slice.call(blob, 0, blob.size, force_saveable_type);
		}

		var url = URL.createObjectURL(blob);
		var save_link = document.createElementNS('http://www.w3.org/1999/xhtml', 'a');
		save_link.href = url;
		save_link.download = filename;

		var event = document.createEvent('MouseEvents');
		event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
		save_link.dispatchEvent(event);
		URL.revokeObjectURL(url);
	}

//	console.log(str);

	var bb = new Blob([str], {type: "text/plain;charset=utf-8"});
	saveAs(bb, 'TimeTable.ics');
}

function processFull(currentWeek)
{
	var ret = "";
	var header = "BEGIN:VCALENDAR\r\n"+
"VERSION:2.0\r\n"+
"PRODID:-//hacksw/handcal//NONSGML v1.0//EN\r\n";
	var uuid_suffix = "whu_noTT@ejq.me";
	var res = processTable();
	var startWeek = new Date();
	//
	var thisDay = startWeek.getDay();
	if (currentWeek > 0) currentWeek -= 1;
	var shift = currentWeek * 7 * 24 * 3600 + thisDay * 24 * 3600 + startWeek.getHours() * 3600 + startWeek.getMinutes() * 60 + startWeek.getSeconds();
	shift *= 1000;
	startWeek = new Date(startWeek.valueOf() - shift);
	res.forEach(function (e) {
		e.time.forEach(function (ti) {
			for (var $i = ti.start_week - 1; $i < ti.end_week; $i += ti.interval) {
				var ts = new Date(startWeek.valueOf() + ($i * 7 * 24 * 3600 + ti.weekday * 24 * 3600) * 1000 + ti.class_begin);
				var te = new Date(ts.valueOf() + ti.class_end - ti.class_begin);
//				console.log(ts);
//				console.log(te);
				ret += "BEGIN:VEVENT\r\n" +
					"METHOD:UPDATE\r\n"+
					"UID:" + e.id + "_wk" + ($i + 1) + "_" + ti.weekday + "_" + ti.class_begin + "_" + ti.class_end + "@nott.ejq.me\r\n" +
					"DTSTAMP:" + toTimeStamp(ts) + "\r\n" +
					"DTSTART:" + toTimeStamp(ts) + "\r\n" +
					"DTEND:" + toTimeStamp(te) + "\r\n" +
					"SUMMARY:" + e.name + "\r\n" +
                    "LOCATION:" + ti.area + "区" + ti.classroom + "\r\n" +
					"DESCRIPTION:" + e.note + "\r\n" +
					"END:VEVENT\r\n";
			}
		});
	});
	saveICS(header + ret + "END:VCALENDAR\r\n");
	return header + ret + "END:VCALENDAR\r\n";
}

function finallyProcess()
{
	processFull(Number($("#__school_week").val()));
}

function init()
{
    $("#search").append('<input type="text" id="__school_week" placeholder="教学周">');
    $("#search").append('<input type="button" id="exportICS" class="searchBtb" name="export" value="导出ics">');
    $("#exportICS").on("click", finallyProcess);
}

init();

function finallyProcess()
{
var tmp = Number($("#__school_week").val());
if(tmp > 0){
processFull(tmp);
}else{
alert("请输入正确的当前的教学周");
}
}