requests-get请求

时间：2023-03-09 12:58:54
requests-get请求 
 import requests

 response= requests.get('http://www.baidu.com')#get方法请求网址

 print(response)

 print(response.status_code)#状态码

 print(response.text)#响应体

 print(response.cookies)#获取cookies
另外还有response.url,response.history历史记录
 #requests的各种请求方式

 import requests

 requests.get('http://httpbin.org/get')

 requests.post('http://httpbin.org/post')

 requests.delete('http://httpbin.org/delete')

 requests.head('http://httpbin.org/head')

 requests.options('http://httpbin.org/options')
 #简单的get请求

 #通过response.text获得响应体

 import requests

 response = requests.get('http://httpbin.org/get')

 print(response.text)

 #带参数的请求

 #利用params将字典形式数据传入进去,相当于urllib.parse.urlencode

 data = {

     'name':'germy',

     'age':22

 }

 response = requests.get('http://httpbin.org/get',params=data)

 print(response.text)
 #解析json

 #response.json()相当于json.loads()方法

 import requests

 import json

 response = requests.get('http://httpbin.org/get')

 print(response.json())

 print('*'*100)

 print(json.loads(response.text))
 #获取并保存二进制数据，response.content即二进制数据

 import requests

 response= requests.get('http://inews.gtimg.com/newsapp_ls/0/1531939223/0')

 #print(response.content)

 with open('D://tomas.jpg','wb') as f:

     f.write(response.content)
 #添加headers

 import requests

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

 #print(response.text)#结果返回服务器端错误，证实爬虫被知乎禁止了

 #结果：<html><body><h1>500 Server Error</h1>

 #解决的方法是添加headers，方法非常简单,加进去就可以了

 headers={'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 \

 (KHTML, like Gecko) Chrome/49.0.2623.75 Safari/537.36 LBBROWSER'}

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

 print(response.text)

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