解析惠州学院教务系统（正方教务系统）的课程表页面，导出为标准 .ics 日历文件，供第三方日历使用。核心代码改自 31415926535x 。
// ==UserScript==
// @name 惠州学院 HZU | 教务系统课程表导出助手
// @namespace http://tampermonkey.net/
// @version 0.7.1
// @description 解析惠州学院教务系统（正方教务系统）的课程表页面，导出为标准 .ics 日历文件，供第三方日历使用。核心代码改自 31415926535x 。
// @author Ckrvxr, 31415926535x
// @homepage https://greasyfork.org/en/scripts/537439
// @homepage https://github.com/Ckrvxr
// @compatible chrome
// @license Apache-2.0 license
// @include *://jwxt.hzu.edu.cn/*
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
const ClassScheduleURL = "kbcx/xskbcx_cxXskbcxIndex.html";
unsafeWindow.addEventListener("load", main);
function main() {
const windowURL = window.location.href;
if (windowURL.indexOf(ClassScheduleURL) !== -1) {
ClassScheduleToICS();
}
}
function ClassScheduleToICS() {
function pageFullyLoaded() {
let div = document.getElementsByClassName("btn-toolbar pull-right")[0];
if (!div) return;
let btn = document.createElement("button");
btn.className = "btn btn-default";
btn.id = "exportbtn";
let sp = document.createElement("span");
sp.innerText = "将导出课表为.ics";
sp.className = "bigger-120 glyphicon glyphicon-file";
btn.appendChild(sp);
div.appendChild(btn);
btn.onclick = function () {
let input = document.createElement("input");
input.type = "date";
input.value = "2025-02-17";
let dialog = document.createElement("div");
dialog.style.position = "fixed";
dialog.style.top = "40%";
dialog.style.left = "50%";
dialog.style.transform = "translate(-50%, -50%)";
dialog.style.padding = "20px";
dialog.style.backgroundColor = "#fff";
dialog.style.border = "1px solid #ccc";
dialog.style.zIndex = "9999";
dialog.style.boxShadow = "0 0 10px rgba(0,0,0,0.3)";
dialog.innerHTML = "<p>请选择要导出的学期第一个星期一：</p>";
dialog.appendChild(input);
let confirmBtn = document.createElement("button");
confirmBtn.textContent = "确定";
confirmBtn.style.marginLeft = "10px";
confirmBtn.className = "btn btn-primary btn-sm";
confirmBtn.onclick = function () {
startDate = input.value;
document.body.removeChild(dialog);
generateCalendar(parseCourses(parseTable(startDate)));
alert("请自行一一核对，以免漏课旷课！\n出现以上问题，概不负责！");
};
let cancelBtn = document.createElement("button");
cancelBtn.textContent = "取消";
cancelBtn.className = "btn btn-secondary btn-sm";
cancelBtn.onclick = function () {
document.body.removeChild(dialog);
};
dialog.appendChild(confirmBtn);
dialog.appendChild(cancelBtn);
document.body.appendChild(dialog);
};
}
var startDate;
var Week;
(function (Week) {
Week[Week["Monday"] = 1] = "Monday";
Week[Week["TuesDay"] = 2] = "TuesDay";
Week[Week["Wednesday"] = 3] = "Wednesday";
Week[Week["ThursDay"] = 4] = "ThursDay";
Week[Week["Friday"] = 5] = "Friday";
Week[Week["Saturday"] = 6] = "Saturday";
Week[Week["Sunday"] = 7] = "Sunday";
})(Week || (Week = {}));
function parseTable() {
let table = document.getElementById("kbgrid_table_0");
let tds = table.querySelectorAll("td");
let week = [];
let divs = [];
tds.forEach(element => {
if (element.hasAttribute("id")) {
if (element.hasChildNodes()) {
let div = Array.from(element.getElementsByTagName("div"));
divs = divs.concat(div);
let wk = Week[element.getAttribute("id")[0]];
for (let i = 0; i < div.length; ++i) {
week.push(wk);
}
}
}
});
return { week: week, divs: divs };
}
class Course {
constructor(course) {
if (course) {
this.name = course.name;
this.week = course.week;
this.info = course.info;
this.startTime = course.startTime;
this.endTime = course.endTime;
this.startWeek = course.startWeek;
this.endWeek = course.endWeek;
this.isSingleOrDouble = course.isSingleOrDouble;
this.location = course.location;
this.teacher = course.teacher;
this.exam = course.exam;
}
}
}
function parseCourses(data) {
var courses = [];
for (let i = 0; i < data.divs.length; ++i) {
let course = new Course();
course.week = data.week[i];
course.name = data.divs[i].getElementsByTagName("span")[0]
.getElementsByTagName("font")[0]
.innerText;
data.divs[i].querySelectorAll("p").forEach(p => {
if (p.getElementsByTagName("span")[0]?.getAttribute("title") === "节/周") {
(function (str = p.getElementsByTagName("font")[1]?.innerText || "") {
course.info = str;
let time = str.substring(str.indexOf("(") + 1, str.indexOf(")") + 1 - 1);
let wk = str.substring(str.indexOf(")") + 1, str.length).split(",");
course.startTime = parseInt(time.substring(0, time.indexOf("-")));
course.endTime = parseInt(time.substring(time.indexOf("-") + 1, time.indexOf("节")));
course.isSingleOrDouble = [];
course.startWeek = [];
course.endWeek = [];
wk.forEach(w => {
if (w.indexOf("单") !== -1 || w.indexOf("双") !== -1) {
course.isSingleOrDouble.push(2);
} else {
course.isSingleOrDouble.push(1);
}
let startWeek, endWeek;
if (w.indexOf("-") === -1) {
startWeek = endWeek = parseInt(w.substring(0, w.indexOf("周")));
} else {
startWeek = parseInt(w.substring(0, w.indexOf("-")));
endWeek = parseInt(w.substring(w.indexOf("-") + 1, w.indexOf("周")));
}
course.startWeek.push(startWeek);
course.endWeek.push(endWeek);
});
})();
} else if (p.getElementsByTagName("span")[0]?.getAttribute("title") === "上课地点") {
course.location = (p.getElementsByTagName("font")[1]?.innerText || "").replace(/\s*本校区\s*/g, '');
} else if (p.getElementsByTagName("span")[0]?.getAttribute("title") === "教师 ") {
course.teacher = p.getElementsByTagName("font")[1]?.innerText || "";
} else if (p.getElementsByTagName("span")[0]?.getAttribute("title") === "考核方式") {
course.exam = p.getElementsByTagName("font")[1]?.innerText || "";
}
});
courses.push(course);
}
return courses;
}
function getTime(num, StartOrEnd) {
const periodMap = [
{ start: "080000", end: "084500" },
{ start: "085000", end: "093500" },
{ start: "095500", end: "104000" },
{ start: "104500", end: "113000" },
{ start: "143000", end: "151500" },
{ start: "152000", end: "160500" },
{ start: "162000", end: "170500" },
{ start: "171000", end: "175500" },
{ start: "193000", end: "201500" },
{ start: "202000", end: "210500" },
{ start: "211000", end: "215500" }
];
if (num < 1 || num > periodMap.length) {
console.error("无效的节次编号：" + num);
return "000000";
}
const period = periodMap[num - 1];
return StartOrEnd === 0 ? period.start : period.end;
}
function getFixedLen(s, len) {
if (s.length < len) {
return getFixedLen("0" + s, len);
} else if (s.length > len) {
return s.slice(0, len);
} else {
return s;
}
}
function getDate(num, wk) {
let date = new Date(startDate.toString());
date.setDate(date.getDate() + (num - 1) * 7 + Week[wk] - 1);
let res = "";
res += getFixedLen(date.getUTCFullYear().toString(), 4);
res += getFixedLen((date.getUTCMonth() + 1).toString(), 2);
res += getFixedLen(date.getUTCDate().toString(), 2);
res += "T";
return res;
}
function generateCalendar(courses) {
let res = new ICS();
courses.forEach(course => {
for (let i = 0; i < course.isSingleOrDouble.length; ++i) {
let e = new ICSEvent(
getDate(course.startWeek[i], course.week) + getTime(course.startTime, 0),
getDate(course.startWeek[i], course.week) + getTime(course.endTime, 1),
course.name,
course.location
);
e.setDescription(course.name, course.teacher, course.info, course.location, course.exam);
e.setRRULE("WEEKLY", res.Calendar.WKST,
"" + (course.endWeek[i] - course.startWeek[i] + course.isSingleOrDouble[i]) / course.isSingleOrDouble[i],
"" + course.isSingleOrDouble[i],
"" + course.week.substr(0, 2).toUpperCase()
);
res.pushEvent(e);
}
});
// 建立一个周数事件，持续 20 周
(function () {
for (let i = 1; i < 20; ++i) {
let e = new ICSEvent("" + getDate(i, Week[1]) + "060000",
"" + getDate(i, Week[1]) + "070000",
"" + "第" + i + "周",
""
);
res.pushEvent(e);
}
})();
res.pushCalendarEnd();
res.exportIcs(startDate);
}
const CRLF = "\n";
const SPACE = " ";
class ICS {
constructor() {
this.Calendar = {
PRODID: "-//ckrvxr//HZU Calendar Exporter v0.7.1//CN",
VERSION: "2.0",
CALSCALE: "GREGORIAN",
TIMEZONE: "Asia/Shanghai",
ISVALARM: true,
VALARM: "-P0DT0H15M0S", //提醒时间
WKST: "SU"
};
this.ics = [
"BEGIN:VCALENDAR",
"VERSION:" + this.Calendar.VERSION,
"PRODID:" + this.Calendar.PRODID,
"CALSCALE:" + this.Calendar.CALSCALE
];
}
pushEvent(e) {
this.ics.push("BEGIN:VEVENT");
this.ics.push(e.getDTSTART());
this.ics.push(e.getDTEND());
if (e.isrrule) this.ics.push(e.getRRULE());
this.ics.push(e.getSUMMARY());
this.ics.push(e.getDESCRIPTION());
if (e.LOCATION) this.ics.push(e.getLOCATION());
if (this.Calendar.ISVALARM) this.pushAlarm();
this.ics.push("END:VEVENT");
this.ics.push(CRLF);
}
pushAlarm() {
this.ics.push("BEGIN:VALARM");
this.ics.push("ACTION:DISPLAY");
this.ics.push("DESCRIPTION:This is an event reminder");
this.ics.push("TRIGGER:" + this.Calendar.VALARM);
this.ics.push("END:VALARM");
}
pushCalendarEnd() {
this.ics.push("END:VCALENDAR");
}
getFixedIcs() {
const MAX_LINE_LENGTH = 75;
const FOLD_SPACE = " ";
this.res = "";
this.ics.forEach(line => {
let pos = 0;
while (pos < line.length) {
let end = Math.min(pos + MAX_LINE_LENGTH, line.length);
this.res += line.substring(pos, end) + CRLF;
pos = end;
if (pos < line.length) {
this.res += FOLD_SPACE;
}
}
});
return this.res;
}
exportIcs(startDate) {
this.getFixedIcs();
let link = window.URL.createObjectURL(new Blob([this.res], {
type: "text/x-vCalendar"
}));
const fileName = startDate + ".ics";
let a = document.createElement("a");
a.setAttribute("href", link);
a.setAttribute("download", fileName);
a.click();
}
}
class ICSEvent {
constructor(DTSTART, DTEND, SUMMARY, LOCATION) {
this.DTSTART = DTSTART;
this.DTEND = DTEND;
this.SUMMARY = SUMMARY;
this.LOCATION = LOCATION || null;
this.DESCRIPTION = "";
}
isrrule = false;
RRULE;
LOCATION;
setRRULE(FREQ, WKST, COUNT, INTERVAL, BYDAY) {
this.isrrule = true;
this.RRULE = "RRULE:FREQ=" + FREQ + ";WKST=" + WKST + ";COUNT=" + COUNT + ";INTERVAL=" + INTERVAL + ";BYDAY=" + BYDAY;
}
getRRULE() { return this.RRULE; }
getDTSTART() { return "DTSTART:" + this.DTSTART; }
getDTEND() { return "DTEND:" + this.DTEND; }
getSUMMARY() { return "SUMMARY:" + this.SUMMARY; }
getDESCRIPTION() { return this.DESCRIPTION ? "DESCRIPTION:" + this.DESCRIPTION : ""; }
setDescription(name, teacher, info, location, exam) {
this.DESCRIPTION = `课程名称：${name.trim()}\\n时间安排：${info.trim()}\\n上课地点：${location.trim()}\\n授课教师：${teacher.trim()}\\n考核方式：${exam.trim()}`;
}
getLOCATION() { return this.LOCATION ? "LOCATION:" + this.LOCATION : ""; }
}
pageFullyLoaded();
}
})();