ustc-choose-course-snippet

const superagent = require("superagent");
const fs = require('fs');

const pageUrl = "https://jw.ustc.edu.cn/for-std/course-select/352169/turn/481/select";
const userAgent = "USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36'";
const addLessonUrl = 'https://jw.ustc.edu.cn/ws/for-std/course-select/add-request';
const cookiePromise = new Promise((res, rej) => {
    fs.readFile('./config.json', (err, data) => {
        if (err) rej(err);
        else res(data)
    })
});
const courseId = '137249';
(async () => {
    try {
        const cookieRes = await cookiePromise;
        const cookieJson = JSON.parse(cookieRes);
        const cookieCotent = `SESSION=${cookieJson.SESSION}; SVRNAME=${cookieJson.SVRNAME}`;
        console.log(cookieCotent)
        const res = await superagent.get(pageUrl).set("cookie", cookieCotent).set("User-Agent", userAgent);
        const studentId = /(?<=studentId: )[0-9]+/.exec(res.text)[0];
        const turnId = /(?<=turnId: )[0-9]+/.exec(res.text)[0];
        console.log({ turnId, studentId })
        const result = await superagent.post(addLessonUrl)
            .set("cookie", cookieCotent)
            .set("User-Agent", userAgent)
            .set('Content-Type', 'multipart/form-data')
            .field('studentAssoc', studentId)
            .field('lessonAssoc', courseId)
            .field('courseSelectTurnAssoc', turnId)
            .field('scheduleGroupAssoc','')
            .field('virtualCost', 0);
        console.log(result)
    } catch (err) {
        console.log(err);
    }
}
)();