Python urllib 实现突破下载

#! /usr/bin/env python
#coding=utf-8
import urllib  
url = r"http://www.javaeye.com/images/logo.gif" 
path = r"c:/111111/1.jpg" 
data = urllib.urlopen(url).read()  
f = file(path,"wb")  
f.write(data)  
f.close()