Request post所得数据与抓包数据不符，是什么原因？

Question

import requests

if __name__ == "__main__":
    post_url = 'http://61.163.88.227:8006/hwsq.aspx?sr=0nkRxv6s9CTRMlwRgmfFF6jTpJPtAv87'
    headers = {
        'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
        'Connection': 'keep-alive',
        'X-MicrosoftAjax': 'Delta=true',
        'X-Requested-With': 'XMLHttpRequest',
        "User-Agent": "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Mobile Safari/537.36 Edg/96.0.1054.62"}

    # 发送post请求
    data = {
        '__ASYNCPOST': 'true',  # 关键参数
        'ctl00%24ContentLeft%24Button1': '%E6%9F%A5%E8%AF%A2'
    }
    response = requests.post(url=post_url, headers=headers, data=data)

    # 获取响应数据
    with open('demo.html', 'w', encoding='utf-8') as file:
        file.write(response.text)
    print('finished')

抓包结果：

实际所得结果：

有没有什么解决方法？

Answer 1

这个网址要登录才能采集数据的，题主的headers需要加上登录后的cookie值，并且post的参数也少了__VIEWSTATE,__EVENTVALIDATION,ctl00$ScriptManager1这3个参数，这3个是asp.net的页面状态管理用到的。改下面的就可以了

import requests
if __name__ == "__main__":
    post_url = 'http://61.163.88.227:8006/hwsq.aspx?sr=0nkRxv6s9CTRMlwRgmfFF6jTpJPtAv87'
    headers = {
        'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
        'Connection': 'keep-alive',
        'X-MicrosoftAjax': 'Delta=true',
        'Cookie': 'ASP.NET_SessionId=oqdfhut0wrbpcj5czdh0uuqy; .ASPXAUTH=018F0B97409123F76B39D8E7A1A8899386BB94C236E7DB5CD169DA03E247668CDF2C7590B5A565D9D7239227FAE929775C172E4A7F416AC5DA248088FD77E0026247353E610D8CE7FBE011ADE3FB852BA2BEE425318EFB85F7F7C643B95B570C520780D8B58E00B7ADF0BDEF4BF770DF05D6C674EA1DF8DE8DB6CE15C2563F1DF00D4A02A5EF23556B3FB155A11E1204AFC5D5B6DFF099F1C8541BE1CCF528DF55CEA9F89DCE99FA1BD5464D81C641F6',
        
        'X-Requested-With': 'XMLHttpRequest',
        "User-Agent": "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Mobile Safari/537.36 Edg/96.0.1054.62"}
    # 发送post请求
    data = {
        'ctl00$ScriptManager1':'ctl00$ScriptManager1|ctl00$ContentLeft$Button1',
        '__VIEWSTATE':'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        #'__VIEWSTATEGENERATOR':'E4DC7756',
        '__EVENTVALIDATION':'/wEdAAMjIy6bdYquw0fdTLV4XGWz9DkLBAR+UXBBGQ1m5cY+HY5Ggl8DGIT46Qo2GBY6Yh5KdR2k6N6uIcdNptW3JeW0wAV0tKjFGq8jgcKH8UoEiQ==',
        'ctl00$ContentLeft$menuDate1$TextBox11':'2021-12-22',
        }
    response = requests.post(url=post_url, headers=headers, data=data)
    # 获取响应数据
    #with open('demo.html', 'w', encoding='utf-8') as file:
        #file.write(response.text)
    print(response.text)
 

有帮助或启发麻烦点下【采纳该答案】