requests使用

实例引入

import requests
res = requests.get('https://www.baidu.com')
print(type(res))
print(res.status_code)
print(type(res.text)
print(res.text)
print(res.cookies)

各种请求方法

import requests
requests.post('http://httpbin.org/post')
requests.put('http://httpbin.org/put')
requests.delete('http://httpbin.org/delete')
requests.head('http://httpbin.org/get')
requests.options('http://httpbin.org/get')

请求

基本GET请求

基本写法

import requests
res = requests.get('http://httpbin.org/get')
print(res.text)

带参数GET请求

import requests
response = requests.get("http://httpbin/get?name=germey&age22")
print(response.text)

import requtests

data = {
    'name' : 'gemey',
    'age' : 22
}
response = requests.get('http://httpbin.org/get', params=data)
print(response.text)

解析json

import requests
import json

response = requests.get("http://httpbin.org/get")
print(type(response.text))
print(response.json())
print(json.loads(response.text))  //这个和上面那个打印方式是一样    
print(type(response.json()))

获取二进制数据

import requests
response = requests.get('https://github.com/favicon.ico")
print(type(response.text), type(response.content))
print(response.text)
print((response.content)

with open('favicon.ico', 'wb') as f:
    f.write(response.content)
    f.close()

 添加headers

import requests

response = requests.get('https://www.zhihu.com/explore')
print(response.text)

import requests

headers = {
    'User-Agent':' Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.101 Safari/537.36'
   }

response = requests.get("https://www.zhihu.com/explore", headers = headers)
print(response.text)

基本POST请求

import requests

date ={'name': 'germey', 'age': 22}
response =requests.post("http://httpbin.org/post", data = data)
print(response.text)

import requests

data = {'name': 'gemey', 'age': 22}
headers = {
    'User-Agent':' Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.101 Safari/537.36'
   }

response = requests.post("https://httpbin.org/post",data = data,  headers = headers)
print(response.json())

响应

reponse属性

import requests
response = requests.get"http://www.jianshu.com")
print(type(response.status.code), response.status_code)
print(type(response.headers), response.headers)
print(type(response.cookies), response.cookies)
print(type(response.url), response.url)
print(type(response.history), response.history)

状态码判断

import requests
response = requests.get('http://www.jianshu.com')
exit() if not response.status_code == requests.codes.ok else print('Request Successfully')

response = requests.get('http://www.jianshu.com')
exit() if not response.status_code == 200 else print('Request Successfully')

100: ('continue',),
101: ('switching_protocols',),
....

高级操作

文件上传

import requests

files = {'file': open('favicon.ico', 'rb')}
response = requests.post("http://httpbin.org/post", files = files)
print(response.text)

获取cookie

import requests

response = requests.get("http://www.baidu.com")
print(response.cookies)
for key, value in response.cookies.items():
    print(key + '=' + value)