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timer.js
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timer.js
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/**
* author:
* https://github.com/horizon86
* https://github.com/Zhaosn
* opensource: github.com/horizon86/MI-AICourseTable
* 时间配置函数，此为入口函数，不要改动函数名
*/
async function scheduleTimer({
providerRes,
parserRes
} = {}) {
// 支持异步操作 推荐await写法
/*
// 这是一个示例函数，用于演示，正常用不到可以删掉
const someAsyncFunc = () => new Promise(resolve => {
setTimeout(() => resolve(), 1)
})
await someAsyncFunc()
// 这个函数中也支持使用 AIScheduleTools 譬如给出多条时间配置让用户选择之类的
*/
function parseToDOM(str) {
// https://www.zhihu.com/question/20785073/answer/16175020
var div = document.createElement("div")
if (typeof str == "string")
div.innerHTML = str
return div
}
function getWeekInfo() {
let xhr = new XMLHttpRequest()
let result = ''
xhr.open('GET', '/eams/homeExt!main.action', false)
xhr.onreadystatechange = function () {
if (this.readyState == 4) {
console.log(this.getAllResponseHeaders())
result = this.responseText
}
}
try {
xhr.send()
} catch (error) {
console.error(error)
return null
}
div = parseToDOM(result)
info_div = div.getElementsByClassName('info-box')[0].getElementsByTagName('div')[0]
current_week = info_div.getElementsByTagName('span')[0].innerHTML
total_week = info_div.getElementsByTagName('i')[0].innerHTML.replace('/', '')//查看获取到的报文发现有两个 info-box 标签，但是貌似匹配的是第一个
console.log([current_week, total_week])
return [current_week, total_week]
}
function get_start_semester(current_week) {
let today = new Date()//今天
let one_day = new Date('2022-09-02').getTime() - new Date('2022-09-01').getTime()//一天的秒数？
start_time = today - (current_week - 1) * 7 * one_day - (today.getDay() - 1) * one_day//今天减过去天数再减这周已过天数
start_date = new Date(start_time)
start_date.setHours(0, 0, 0, 0)
return String(start_date.getTime())
}
// 返回时间配置JSON，所有项都为可选项，如果不进行时间配置，请返回空对象
ret = {
//totalWeek: 30, // 总周数：[1, 30]之间的整数
startWithSunday: false, // 是否是周日为起始日，该选项为true时，会开启显示周末选项
showWeekend: false, // 是否显示周末
forenoon: 4, // 上午课程节数：[1, 10]之间的整数
afternoon: 4, // 下午课程节数：[0, 10]之间的整数
night: 4, // 晚间课程节数：[0, 10]之间的整数
sections: [{
section: 1, // 节次：[1, 30]之间的整数
startTime: '08:30', // 开始时间：参照这个标准格式5位长度字符串
endTime: '09:15' // 结束时间：同上
},
{section: 2,
startTime: '9:20',
endTime: '10:05'},
{section: 3,
startTime: '10:25',
endTime: '11:10'},
{section: 4,
startTime: '11:15',
endTime: '12:00'},
{section: 5,
startTime: '13:30',
endTime: '14:15'},
{section: 6,
startTime: '14:20',
endTime: '15:05'},
{section: 7,
startTime: '15:25',
endTime: '16:10'},
{section: 8,
startTime: '16:15',
endTime: '17:00'},
{section: 9,
startTime: '18:30',
endTime: '19:15'},
{section: 10,
startTime: '19:20',
endTime: '20:05'},
{section: 11,
startTime: '20:10',
endTime: '20:55'},
{section: 12,
startTime: '21:00',
endTime: '21:45'},
] // 课程时间表，注意：总长度要和上边配置的节数加和对齐
}
week_infos = getWeekInfo()
if (null == week_infos) {
return ret
}
ret.totalWeek = Number(week_infos[1])
ret.startSemester = get_start_semester(week_infos[0])
return ret
}