Python 问卷星模拟登陆获取 SojumpSurvey

wjx.py

import requests
from lxml import etree


def get_SojumpSurvey(username: str, password: str) -> str:
    '''
    模拟问卷星登录,获得 SojumpSurvey
    多次调用需间隔 40 s
    '''
    SERVERID = requests.get(
        'https://www.wjx.cn/css/index.css').cookies.get_dict()['SERVERID']
        
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36',
    }

    html = etree.HTML(requests.get(
        'https://www.wjx.cn/login.aspx', headers=headers).text)

    __VIEWSTATE = html.xpath('//*[@id="__VIEWSTATE"]')[0].get('value')

    __EVENTVALIDATION = html.xpath(
        '//*[@id="__EVENTVALIDATION"]')[0].get('value')

    cookies = {
        'SERVERID': SERVERID,
    }

    data = {
        '__VIEWSTATE': __VIEWSTATE,
        '__EVENTVALIDATION': __EVENTVALIDATION,
        'UserName': username,
        'Password': password,
        'LoginButton': '登 录'
    }

    response = requests.post('https://www.wjx.cn/login.aspx', headers=headers,
                             cookies=cookies, data=data, allow_redirects=False)

    SojumpSurvey = response.cookies.get_dict()['SojumpSurvey']
    return SojumpSurvey


def main():
    SojumpSurvey = get_SojumpSurvey('用户名', '密码')
    print(SojumpSurvey)


if __name__ == '__main__':
    main()