python+requests 请求响应文本出错返回“登录超时”

Python+requests请求响应："msg":"登录过时"

1、出错原代码：

 import requests
 import json
#页面按条件搜索返回相应数据的接口测试
 s = requests.session()
 url = "http://47.106.203.20:8000/ssposs2/api/sspquery/query"
 par = {
     "order":"",
     "orderField":"",
     "pageIndex":1,
     "pageSize":20,
     "filename":"query-export",
     "action":"download",
     "service":"wf",
     "sh":"n",
     "provId":"",
     "cityId":"",
     "brockId":"",
     "imei":"",
     "pliceNo":"",
     "zfHphm":"粤A61933",
     "gtDate":"",
     "shStatus":"",
     "jgDataStatus":"",
     "wfType":"",
     "dataType":"",
     "gtStartDate":"2019-07-17 15:34:01",
     "gtEndDate":"2019-08-16 15:34:01"
 }
 header = {
     'connection':'keep-alive',
     'Content-Type':'application/json'
 }
 r =s.post(url,data=json.dumps(par),headers=header)
 print(r.status_code)
 print(r.text)

2、运行结果：

 200
 {"result":false,"msg":"登录过时","code":""}#接口响应成功的，但是请求内容登录过时。

因为该接口测试的前提是在登录页面后进行条件查询，所以是要有登录的cookie值，但是这里没有获取前一个页面登录的cookie值所以导致请求出错

二修改后：

import requests
import json
s = requests.session()
url = "http://47.106.203.20:8000/ssposs2/api/sspquery/query"
par = {
    "order":"",
    "orderField":"",
    "pageIndex":1,
    "pageSize":20,
    "filename":"query-export",
    "action":"download",
    "service":"wf",
    "sh":"n",
    "provId":"",
    "cityId":"",
    "brockId":"",
    "imei":"",
    "pliceNo":"",
    "zfHphm":"粤A61933",
    "gtDate":"",
    "shStatus":"",
    "jgDataStatus":"",
    "wfType":"",
    "dataType":"",
    "gtStartDate":"2019-07-17 15:34:01",
    "gtEndDate":"2019-08-16 15:34:01"
}
header = {
    'connection':'keep-alive',
    'Content-Type':'application/json'
}
#*******************************************
#加上登录页面的cookie
cookie = {
    'JSESSIONID':'d192ae01-8b58-4033-85c1-d7e44a06bd00',
    'root-Token':'ceshi'
}
#*******************************************
r =s.post(url,data=json.dumps(par),headers=header,cookies=cookie)
print(r.status_code)
print(r.text)

2、运行结果：

200
{"result":true,"msg":null,"code":null,"data":{"content":[],"pageable":{"sort":{"unsorted":true,"sorted":false,"empty":true},"pageNumber":0,"pageSize":20,"offset":0,"unpaged":false,"paged":true},"last":true,"totalPages":0,"totalElements":0,"first":true,"sort":{"unsorted":true,"sorted":false,"empty":true},"numberOfElements":0,"size":20,"number":0,"empty":true}}