一键导出课表为ics文件
目前为
// ==UserScript==
// @name 课表助手 - xtu
// @namespace http://tampermonkey.net/
// @version 0.1.0
// @description 一键导出课表为ics文件
// @author DeltaX
// @match http://jwxt.xtu.edu.cn/jsxsd/xskb/xskb_list.do
// @require https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.min.js
// @grant none
// @License MIT
// ==/UserScript==
(function () {
'use strict';
// 设置上课时间及下课时间
let class_start_summer = [[], [8, 0], [9, 40], [10, 10], [11, 50], [14, 30], [16, 10], [16, 40], [18, 10], [19, 30], [22, 5]];
let class_start_winter = [[], [8, 0], [9, 40], [10, 10], [11, 50], [14, 0], [15, 40], [16, 10], [17, 40], [19, 0], [21, 35]];
let class_time = 100;
// let weekToNum = { "日": 0, "一": 1, "二": 2, "三": 3, "四": 4, "五": 5, "六": 6 }
let weekRegexp = /(?:(\d{1,2}-\d{1,2})|(\d{1,2})\(单周\))/g
let nowDate = new Date();
let weekStartQuery = (term) => new Promise(function (resolve, reject) {
let xhr = new XMLHttpRequest();
xhr.open('POST', 'http://jwxt.xtu.edu.cn/jsxsd/jxzl/jxzl_query');
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhr.withCredentials = true;
xhr.onload = function () {
if (xhr.status === 200) {
resolve(/<tr height='28'><td>1<\/td><td title='(.*?)'>/.exec(this.response)[1])
} else {
reject(this)
}
};
xhr.send("xnxq01id=" + term);
});
// 窗口加载完成调用函数
window.onload = function () {
try {
// 获取main-->page_iframe-->iframe0
let iframe0 = document.getElementById("Form1");
// 添加按钮"保存ics"
let button = iframe0.querySelector("input#sfFD");
button.outerHTML += '<input type="button" onclick="saveics()" class="button" name="submit" value="保存ics">';
if (typeof iframe0.saveics === "function") return;
// 添加按钮操作，核心部分
window.console.log("开始生成...");
iframe0.saveics = function () {
if (navigator.userAgent.indexOf('MISE') > -1 && navigator.userAgent.indexOf('MSIE 10') == -1) {
alert('浏览器不支持哦~😆');
return;
}
let SEPARATOR = (navigator.appVersion.indexOf('Win') !== -1) ? '\r\n' : '\n';
let calendar_start = [
'BEGIN:VCALENDAR',
'VERSION:2.0',
'PRODID:Curriculum-to-iCalendar'
].join(SEPARATOR);
let calendar_end = SEPARATOR + 'END:VCALENDAR' + SEPARATOR;
let calendarEvents = [];
// 获取到课程表
try {
let table = document.querySelector("#kbtable").tBodies[0];
let yearTerm = document.querySelector("#xnxq01id")[document.querySelector("#xnxq01id").selectedIndex].innerText.split("-");
let year = yearTerm[0] + "-" + yearTerm[1];
let term = yearTerm[2];
// 请求起始周
console.log("查询学期起始日期中，学期: " + yearTerm.join("-"));
weekStartQuery(yearTerm.join("-")).then(weekStart => {
let termStartDate = new Date(weekStart.split(/年|月|日/));
// let currentWeek = parseInt((nowDate - startDate) / 1000 * 60 * 60 * 24 * 7);
let toString = function (date) {
return date.toISOString().split(/-|:|[.]/).slice(0, 4).join("") + "00Z";
}
// 逐行添加event至cal
console.log("添加课程事件中...");
for (let i = 1; i < table.rows.length - 1; i++) {
// 逐课程添加
// let timeAddress = table.rows[i].cells[0].innerText;
// let events = timeAddress.split(' ').filter(n => n != " ");
for (let j = 1; j < table.rows[i].cells.length; j++) {
// TODO 同一时间不同课程
let lessonInfos = table.rows[i].cells[j].innerText.split("---------------------\n")
for (let lesInfStr of lessonInfos) {
let lessonInfo = lesInfStr.split("\n").filter(n => n !== "");
// console.log(lessonInfo);
// 空课程跳过
if (lessonInfo.length < 4) {
continue;
}
let courseName = lessonInfo[0];
let teacherName = lessonInfo[1];
// TODO 多周问题
let weeksStr = lessonInfo[2];
let location = lessonInfo[3];
let description = courseName + " " + teacherName + " ";
let weekDay = j;
// let interval = parseInt(informations[2]);
// TODO 判断夏令时冬令时
let isSummerTime = false
let startTime = [];
let endTime = [];
if (isSummerTime) {
startTime = class_start_summer[2 * i - 1];
endTime = class_start_summer[2 * i];
} else {
startTime = class_start_winter[2 * i - 1];
endTime = class_start_winter[2 * i];
}
// 按照多周划分后迭代
for (let weekStrs = weekRegexp.exec(weeksStr); weekStrs !== null; weekStrs = weekRegexp.exec(weeksStr)) {
// 分多周 "2-5,7-9,11-13(周)" 和单周 "13(单周)"
let week = [];
if (weekStrs[1] !== undefined) {
week = weekStrs[1].split("-") // 多周
} else {
week = [weekStrs[2], weekStrs[2]] // 单周
}
let startWeek = parseInt(week[0]);
let endWeek = parseInt(week[1]);
let startDate = new Date(termStartDate),
endDate = new Date(termStartDate),
untilDate = new Date(termStartDate);
// 课程时间
startDate.setDate(startDate.getDate() + (startWeek - 1) * 7 + weekDay - 1);
startDate.setHours(startTime[0], startTime[1], 0, 0);
endDate.setDate(endDate.getDate() + (startWeek - 1) * 7 + weekDay - 1);
endDate.setHours(endTime[0], endTime[1]);
// 课程截止
untilDate.setDate(untilDate.getDate() + (endWeek - 1) * 7 + weekDay);
untilDate.setHours(endTime[0], endTime[1]);
calendarEvents.push([
'BEGIN:VEVENT',
'DTSTAMP:' + toString(nowDate),
'UID:' + calendarEvents.length + '@' + 'https://1000delta.top',
'SUMMARY:' + courseName,
'DTSTART:' + toString(startDate),
'DTEND:' + toString(endDate),
'RRULE:FREQ=WEEKLY;UNTIL=' + toString(untilDate),
'LOCATION:' + location,
'DESCRIPTION:' + description,
'END:VEVENT'
].join(SEPARATOR));
}
}
}
}
// console.log(calendarEvents);
if (calendarEvents.length < 1) {
alert('课表里没课哦~😆');
return;
}
//保存
let fileName = year + "学年第" + term + "学期.ics";
let calendar = calendar_start + SEPARATOR + calendarEvents.join(SEPARATOR) + calendar_end;
let blob;
if (navigator.userAgent.indexOf('MSIE 10') === -1) { // chrome or firefox
blob = new Blob([calendar]);
} else { // ie
let bb = new BlobBuilder();
bb.append(calendar);
blob = bb.getBlob('text/x-vCalendar;charset=' + document.characterSet);
}
saveAs(blob, fileName);
});
} catch (error) {
console.log(error);
alert("出错啦！/(ㄒoㄒ)/~~");
}
}
} catch (error) {
if (error.message !== window.error_message) {
window.error_message = error.message;
console.log(error);
}
return;
}
};
// 保证页面刷新后重新执行
// setInterval(onload, 50);
})();