python提交post数据到远程url详解编程语言

import sys, urllib2, urllib 
  
zipcode = "S2S 1R8" 
url = 'http://www.wunderground.com/cgi-bin/findweather/getForecast' 
data = urllib.urlencode([('query', zipcode)]) 
req = urllib2.Request(url) 
fd = urllib2.urlopen(req, data) 
while 1: 
    data = fd.read(1024) 
    if not len(data): 
        break 
    sys.stdout.write(data)