python爬取网站网页并下载到D盘下test/index.html文件：
#coding=utf-8 import urllib def callbackfunc(blocknum, blocksize, totalsize): '''回调函数 @blocknum: 已经下载的数据块 @blocksize: 数据块的大小 @totalsize: 远程文件的大小 ''' percent = 100.0 * blocknum * blocksize / totalsize if percent > 100: percent = 100 print "%.2f%%"% percent url = 'http://www.sina.com.cn' local = 'd:\\test\index.html' urllib.urlretrieve(url, local, callbackfunc) print u'下载完毕去D盘下test/index.html查看'