requests-get请求

1 import requests
2 
3 response= requests.get('http://www.baidu.com')#get方法请求网址
4 print(response)
5 print(response.status_code)#状态码
6 print(response.text)#响应体
7 print(response.cookies)#获取cookies
另外还有response.url,response.history历史记录

1 #requests的各种请求方式
2 import requests
3 requests.get('http://httpbin.org/get')
4 requests.post('http://httpbin.org/post')
5 requests.delete('http://httpbin.org/delete')
6 requests.head('http://httpbin.org/head')
7 requests.options('http://httpbin.org/options')

 1 #简单的get请求
 2 #通过response.text获得响应体
 3 import requests
 4 response = requests.get('http://httpbin.org/get')
 5 print(response.text)
 6 
 7 #带参数的请求
 8 #利用params将字典形式数据传入进去,相当于urllib.parse.urlencode
 9 data = {
10     'name':'germy',
11     'age':22
12 }
13 response = requests.get('http://httpbin.org/get',params=data)
14 print(response.text)

1 #解析json
2 #response.json()相当于json.loads()方法
3 import requests
4 import json
5 response = requests.get('http://httpbin.org/get')
6 print(response.json())
7 print('*'*100)
8 print(json.loads(response.text))

1 #获取并保存二进制数据，response.content即二进制数据
2 import requests
3 response= requests.get('http://inews.gtimg.com/newsapp_ls/0/1531939223/0')
4 #print(response.content)
5 with open('D://tomas.jpg','wb') as f:
6     f.write(response.content)

 1 #添加headers
 2 import requests
 3 response = requests.get('https://www.zhihu.com/explore')
 4 #print(response.text)#结果返回服务器端错误，证实爬虫被知乎禁止了
 5 #结果：<html><body><h1>500 Server Error</h1>
 6 
 7 #解决的方法是添加headers，方法非常简单,加进去就可以了
 8 headers={'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 
 9 (KHTML, like Gecko) Chrome/49.0.2623.75 Safari/537.36 LBBROWSER'}
10 response = requests.get('https://www.zhihu.com/explore',headers=headers)
11 print(response.text)