＃!coding:utf-8
＃ 获取web页面
import sys,urllib2req=urllib2.Request(sys.argv[1])fd=urllib2.urlopen(req)while 1:    data=fd.read()    if not len(data):        break    print data

#coding:utf-8import sys,urllib2req=urllib2.Request(sys.argv[1])fd=urllib2.urlopen(req)print "url:",fd.geturl()print "info:",fd.info()