https://www.jb51.net/article/139587.htm
python爬虫浏览器伪装
1.
#导入urllib.request模块
import urllib.request
#设置请求头
headers=("User-Agent","Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.221 Safari/537.36 SE 2.X MetaSr 1.0")
#创建一个opener
opener=urllib.request.build_opener()
#将headers添加到opener中
opener.addheaders=[headers]
#将opener安装为全局
urllib.request.install_opener(opener)
#用urlopen打开网页
data=urllib.request.urlopen(url).read().decode(‘utf-8‘,‘ignore‘)
2.
#定义代理ipproxy_addr="122.241.72.191:808"#设置代理proxy=urllib.request.ProxyHandle({‘http‘:proxy_addr})#创建一个openeropener=urllib.request.build_opener(proxy,urllib.request.HTTPHandle)#将opener安装为全局urllib.request.install_opener(opener)#用urlopen打开网页data=urllib.request.urlopen(url).read().decode(‘utf-8‘,‘ignore‘)#定义代理ipproxy_addr="122.241.72.191:808"#创建一个请求req=urllib.request.Request(url)#添加headersreq.add_header("User-Agent","Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko)#设置代理proxy=urllib.request.ProxyHandle("http":proxy_addr)#创建一个openeropener=urllib.request.build_opener(proxy,urllib.request.HTTPHandle)#将opener安装为全局urllib.request.install_opener(opener)#用urlopen打开网页data=urllib.request.urlopen(req).read().decode(‘utf-8‘,‘ignore‘)原文：https://www.cnblogs.com/tao-yuan/p/10409459.html