05-发送请求-urllib基本使用

urllib是python提供的标准模块，可以发送http请求

urllib.Request：构造请求

urllib.request.urlopen：发送请求

url = "http://www.baidu.com"

 # 构造headers
headers = {"User-Agent" : "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)"} 

 # 构造请求体
data = {
     "type":"AUTO",
     "i":"i love python",
     "doctype":"json",
 }

 # 构造请求
 request = urllib.request.Request(url, data = data, headers = headers)

 # 发送请求
 response = urllib.request.urlopen(request)
 print(response.read())

response.read()：获取响应

获取响应的html字符串,bytes类型

#获取响应
response.read()

【demo10】urllib请求百度首页

import urllib.request

url = 'http://www.baidu.com'

request = urllib.request.Request(url)

response = urllib.request.urlopen(request)

print(response.read())