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()