好了，废话少说，我们先看看几个示例吧
一、打开一个网页获取所有的内容
复制代码 代码如下:
from urllib import urlopen
doc = urlopen("http://:3128'}
filehandle = urllib.urlopen(some_url, proxies=proxies)
# Don't use any proxies
filehandle = urllib.urlopen(some_url, proxies={})
# Use proxies from environment - both versions are equivalent
filehandle = urllib.urlopen(some_url, proxies=None)
filehandle = urllib.urlopen(some_url)
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