设置代理

工具：

　　python+urllib2

用法：

import urllib2
ueser-agent = 'user'
#方法一
headers ={'User-agent':ueser-agent}
request = urllib2.Request(url,headers = headers)

#方法二
request = urllib2.Request(url)
request.add_header('User-agent, ueser-agent)

response = urllib2.urlopen(request).read()
print(response)

 访问外国网站的代理方案

import urllib2
ueser-agent = 'user'
headers ={'User-agent':ueser-agent}
request = urllib2.Request(url,headers = headers)
opener = urllib2.build_opener()
 proxy_params = {urlparse.urlparse(url).scheme:proxy}
opener.add_heandler(urllib2.ProxyHandler(proxy_params))
res = opener.open(request).read()
print(res)