Convert schedule to ICS
// ==UserScript==
// @license MIT
// @name Schedule to ICS
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Convert schedule to ICS
// @author Nwakey
// @match https://dutgs.dlut.edu.cn/pyxx/pygl/kbcx_xs.aspx?xh=*
// @match https://dutgs.dlut.edu.cn/pyxx/default.aspx?u=cas
// @grant none
// ==/UserScript==
(function() {
'use strict';
const startDate = new Date('2025-02-24'); // 第一周的开始日期
const timeMap = {
'1': { start: '08:00', end: '08:45' },
'2': { start: '08:50', end: '09:35' },
'3': { start: '10:05', end: '10:50' },
'4': { start: '10:55', end: '11:40' },
'5': { start: '13:30', end: '14:15' },
'6': { start: '14:20', end: '15:05' },
'7': { start: '15:35', end: '16:20' },
'8': { start: '16:25', end: '17:10' },
'9': { start: '18:00', end: '18:45' },
'10': { start: '18:55', end: '19:40' },
'11': { start: '19:50', end: '20:35' },
'12': { start: '20:45', end: '21:30' }
};
function getWeekdayOffset(day) {
const dayMap = {
'星期一': 0,
'星期二': 1,
'星期三': 2,
'星期四': 3,
'星期五': 4,
'星期六': 5,
'星期日': 6
};
return dayMap[day];
}
function getEventDate(week, day) {
const offset = (week - 1) * 7 + getWeekdayOffset(day);
const eventDate = new Date(startDate);
eventDate.setDate(startDate.getDate() + offset);
return eventDate;
}
function formatDate(date, time) {
return `${date.getFullYear()}${(date.getMonth() + 1).toString().padStart(2, '0')}${date.getDate().toString().padStart(2, '0')}T${time.replace(':', '')}00`;
}
function extractSchedule() {
console.log('Extracting schedule...');
const schedule = [];
const courseSet = new Set(); // 用于存储已添加的课程信息
const rows = document.querySelectorAll('#MainWork_DataGrid1 tr');
rows.forEach((row, rowIndex) => {
if (rowIndex === 0) return; // 跳过表头行
const cells = row.querySelectorAll('td');
cells.forEach((cell, cellIndex) => {
if (cellIndex < 2 || !cell.innerHTML.trim()) return; // 跳过非课表单元格
const courseInfos = cell.innerHTML.split('<br><br>'); // 分割多个课程信息
courseInfos.forEach(courseInfoStr => {
const courseInfo = courseInfoStr.split('<br>');
if (courseInfo.length < 5) return; // 确保包含足够的课程信息
const weeks = courseInfo[3].match(/(\d+)-(\d+)周/);
const dayTimeMatches = courseInfo[3].match(/星期(.) (上|下)(\d+),(\d+)/g);
const locationMatch = courseInfo[2].match(/\((.*)\)/);
if (!weeks || !dayTimeMatches || !locationMatch) return;
const startWeek = parseInt(weeks[1]);
const endWeek = parseInt(weeks[2]);
dayTimeMatches.forEach(dayTime => {
const dayTimeMatch = dayTime.match(/星期(.) (上|下)(\d+),(\d+)/);
const day = `星期${dayTimeMatch[1]}`;
const times = [dayTimeMatch[3], dayTimeMatch[4]];
const course = {
name: courseInfo[0].replace('课程:', '').trim(),
class: courseInfo[1].replace('班级:', '').trim(),
location: locationMatch[1].trim(),
teacher: courseInfo[4].replace('主讲教师:', '').trim(),
startWeek,
endWeek,
day,
times
};
const courseKey = `${course.name}-${course.class}-${course.location}-${course.teacher}-${course.startWeek}-${course.endWeek}-${course.day}-${course.times.join(',')}`;
if (!courseSet.has(courseKey)) {
console.log('Extracted course:', course);
schedule.push(course);
courseSet.add(courseKey);
}
});
});
});
});
console.log('Schedule extraction complete:', schedule);
return schedule;
}
function convertToICS(schedule) {
console.log('Converting schedule to ICS...');
let icsContent = 'BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//Nwakey//Schedule to ICS//EN\n';
schedule.forEach(event => {
let replacedLocation = event.location.replace(/研教楼/g, '研究生教育大楼');
for (let week = event.startWeek; week <= event.endWeek; week++) {
const eventDate = getEventDate(week, event.day);
const startTime = timeMap[event.times[0]].start;
const endTime = timeMap[event.times[event.times.length - 1]].end;
icsContent += 'BEGIN:VEVENT\n';
icsContent += `SUMMARY:${event.name}\n`;
icsContent += `LOCATION:大连理工大学\\,${replacedLocation}\n`;
icsContent += `DESCRIPTION:Class ${event.class} Teacher: ${event.teacher}\n`;
icsContent += `DTSTART:${formatDate(eventDate, startTime)}\n`;
icsContent += `DTEND:${formatDate(eventDate, endTime)}\n`;
icsContent += 'END:VEVENT\n';
console.log('Added event to ICS:', event);
}
});
icsContent += 'END:VCALENDAR';
console.log('ICS conversion complete.');
return icsContent;
}
function downloadICS(icsContent) {
console.log('Downloading ICS file...');
const blob = new Blob([icsContent], { type: 'text/calendar' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = 'schedule.ics';
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
console.log('ICS file downloaded.');
}
function addButton() {
const button = document.createElement('button');
button.innerText = '下载 ICS 文件';
button.style.position = 'fixed';
button.style.top = '10px';
button.style.right = '10px';
button.style.zIndex = 1000;
button.onclick = () => {
console.log('Button clicked. Extracting schedule...');
const schedule = extractSchedule();
console.log('Converting schedule to ICS...');
const icsContent = convertToICS(schedule);
console.log('Downloading ICS file...');
downloadICS(icsContent);
};
document.body.appendChild(button);
console.log('Button added to the page.');
}
addButton();
})();