用Python的urllib库提交WEB表单

class EntryDemo( Frame ): 
"""Demonstrate Entrys and Event binding""" 

chosenrange = 2 
url_login="http://.../ipgw/ipgw.ipgw/" 
uid = '' ＃用户名 
password = '' # 密码 
operation = '' # 操作 
range = '2' ＃ 范围 
the_page = '' ＃ WEB服务器返回页面 
＃ 表单的INPUT 值一定要记得填齐全 
def login(self): 
values = { 
'uid' : self.uid, 
'password' : self.password, 
'operation' : self.operation, 
'range' : self.range, # 1:国际 2:国内 
'timeout':'0' 
} 
postdata = urllib.urlencode(values) ＃ 表单值编码 
req = urllib2.Request(self.url_login, postdata) ＃ 服务器请求 
response = urllib2.urlopen(req) 
self.the_page = response.read()