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Python实战：使用requests通过post方式提交json数据

 1 year ago
source link: https://blog.51cto.com/mouday/5808792
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Python实战：使用requests通过post方式提交json数据

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pip install requests

该方式比较简单，可以直接提交json参数提交

# -*- coding: utf-8 -*-

import requests

url = 'http://httpbin.org/post'
data = {
    'name': 'Tom',
    'age': 20
}

res = requests.post(url, json=data)
print(res.text)

{
  "args": {}, 
  "data": "{\"name\": \"Tom\", \"age\": 20}", 
  "files": {}, 
  "form": {}, 
  "headers": {
    "Accept": "*/*", 
    "Accept-Encoding": "gzip, deflate", 
    "Content-Length": "26", 
    "Content-Type": "application/json", 
    "Host": "httpbin.org", 
    "User-Agent": "python-requests/2.28.1", 
    "X-Amzn-Trace-Id": "Root=1-635f3812-432dff7a0625e9331bb8d78d"
  }, 
  "json": {
    "age": 20, 
    "name": "Tom"
  }, 
  "origin": "1.202.253.34", 
  "url": "http://httpbin.org/post"
}

通过自定义请求体提交json数据

# -*- coding: utf-8 -*-

import json

import requests

url = 'http://httpbin.org/post'
data = {
    'name': 'Tom',
    'age': 20
}

# 先序列化成json数据
data_raw = json.dumps(data)
print(data_raw)
# {"name": "Tom", "age": 20}

res = requests.post(url, data=data_raw)
print(res.text)


{
  "args": {}, 
  "data": "{\"name\": \"Tom\", \"age\": 20}", 
  "files": {}, 
  "form": {}, 
  "headers": {
    "Accept": "*/*", 
    "Accept-Encoding": "gzip, deflate", 
    "Content-Length": "26", 
    "Host": "httpbin.org", 
    "User-Agent": "python-requests/2.28.1", 
    "X-Amzn-Trace-Id": "Root=1-635f38b0-37b9f6261c85922202d35ee8"
  }, 
  "json": {
    "age": 20, 
    "name": "Tom"
  }, 
  "origin": "61.48.42.110", 
  "url": "http://httpbin.org/post"
}

进一步优化

我们可以发现，方式二提交的数据缺少了一个请求头

{
    "Content-Type": "application/json"
}

虽然可以识别为json数据，不过有的后端框架有可能不能够正常识别json数据

# -*- coding: utf-8 -*-

import json

import requests

url = 'http://httpbin.org/post'
data = {
    'name': 'Tom',
    'age': 20
}

# 先序列化成json数据
data_raw = json.dumps(data)
print(data_raw)
# {"name": "Tom", "age": 20}

# 增加请求头
headers = {
    "Content-Type": "application/json; charset=UTF-8"
}

res = requests.post(url, data=data_raw, headers=headers)
print(res.text)


{
  "args": {}, 
  "data": "{\"name\": \"Tom\", \"age\": 20}", 
  "files": {}, 
  "form": {}, 
  "headers": {
    "Accept": "*/*", 
    "Accept-Encoding": "gzip, deflate", 
    "Content-Length": "26", 
    "Content-Type": "application/json; charset=UTF-8", 
    "Host": "httpbin.org", 
    "User-Agent": "python-requests/2.28.1", 
    "X-Amzn-Trace-Id": "Root=1-635f3956-7d2bf56b737dd06278d54b80"
  }, 
  "json": {
    "age": 20, 
    "name": "Tom"
  }, 
  "origin": "61.48.42.110", 
  "url": "http://httpbin.org/post"
}
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