url

#!/usr/bin/python
#coding=utf-8
import urllib


print '將趕集首頁的html抓取到本地，保存在g.txt文件中，同時顯示下載的進度。'
def fun(blocknum , blocksize ,totalsize):
    percent = 100.0*blocknum*blocksize/totalsize
    if percent > 100:
        percent =100
    print '%.2f%%' % percent
url ='http://bj.ganji.com/'
local ='/usr/local/g1.txt'
urllib.urlretrieve(url , local ,fun)