requests模块

Posted 2021-11-08 jfxu

import requests

# GET请求
url  = 'http://httpbin.org/get'
r = requests.get(url)
print(r.status_code,r.reason)
print(r.text)
# GET带参数请求
r = requests.get(url,params={'a':1,'b':2})
print(r.json())

# POST请求
url  = 'http://httpbin.org/post'
r = requests.post(url,data={'a':1})
print(r.json())

# 自定义headers请求

headers = {
    'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0',
}

url  = 'http://httpbin.org/headers'
r = requests.get(url,headers=headers)
print(r.json())

# 带cookie的请求
cookies = dict(userid='1234565',tokern='xxxxxxx')
url  = 'http://httpbin.org/cookies'
r = requests.get(url,cookies=cookies)
print(r.json())

# Basic-auth认证登陆请求
url  = 'http://httpbin.org/basic-auth/guye/123456'
auth = ('guye','123456')
r = requests.get(url,auth=auth)
print(r.json())

# 主动抛出状态码异常
url = 'http://httpbin.org/status/404'
bad_r = requests.get(url)
print(bad_r.status_code)
bad_r.raise_for_status()  # 主动抛出异常

# requests.Session对象请求
url = 'http://httpbin.org/cookies/set/name/jfxu'
# 创建一个Session对象
s = requests.Session()
# Session对象会保存服务器返回的set-cookies头信息里面的内容
# 下次请求时会将本地所有的cookies信息自动添加到请求头信息里面
r = s.get(url)
print(r.json())


# 在requests中使用代理
url = 'http://httpbin.org/ip'
proxies = {
    'http':'http://iguye.com:41801'
}
r = requests.get(url,proxies=proxies)
print(r.json())

# 设置请求等待时间
url = 'http://httpbin.org/delay/3'
r = requests.get(url,timeout=2)
print(r.json())