python爬虫发送post请求，遇到了未知问题

Question

我这样写的方式有错误吗？，该填的参数都填了，不知道为什么会报这个错误。

    def get_admin_sanction(self):
        url = 'https://credit.fzgg.tj.gov.cn/xygs/datalist.do'
        params = {
                "pageNo": "2",
                "pageSize": "10",
                "messageid": "51BAD61AAD244B499E470ABD8E0EB9DF",
                "domainid": "017",
                "paramMap['CF_XDR_MC']": "",
                "paramMap['CF_XDR_SHXYM']": "",
                "paramMap['CF_WSH']": "",
                "paramMap['CF_JDRQ_start']": "",
                "paramMap['CF_JDRQ_end']": "",
                "yzm":""
            }
        res = requests.post(url=url,headers=self.headers,params=params)
        page_text = res.text
        print(page_text)

Answer 1

res = requests.post(url=url,headers=self.headers,data=params)

或者

res = requests.post(url=url,headers=self.headers,json=params)

试试，post提交数据一版使用data或json