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-豆瓣有反爬。加入headers（请求头）
import urllib.request
url='https://movie.douban.com/'
headers={'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.100 Safari/537.36'}
#构建请求对象
req=urllib.request.Request(url,headers=headers)
#使用urlopen打开请求
resp=urllib.request.urlopen(req)
#从响应结果中读取数据
html=resp.read().decode('utf-8')
print(html)
标签：请求,request,req,Request,urllib,发送,headers,3.3 From： https://www.cnblogs.com/988MQ/p/17044908.html