[经验总结]用Python的urllib库提交WEB表单

上次实现的校园网IP网关登录器其中一个关键部分就是提交登录网页的表单,下面是我的Python实现代码：

import urllib2,urllib
   1. class EntryDemo( Frame ):  
   2.     """Demonstrate Entrys and Event binding"""  
   3.       
   4.     chosenrange = 2  
   5.     url_login="http://.../ipgw/ipgw.ipgw/"  
   6.     uid = ''                      ＃用户名  
   7.     password = ''            # 密码  
   8.     operation = ''           #  操作  
   9.     range = '2'                ＃ 范围  
  10.     the_page = ''            ＃ WEB服务器返回页面  

  11.    ＃ 表单的INPUT 值一定要记得填齐全  
  12.     def login(self):  
  13.         values = {  
  14.             'uid' : self.uid,  
  15.             'password' : self.password,  
  16.             'operation' : self.operation,  
  17.             'range' : self.range,    # 1:国际 2:国内  
  18.             'timeout':'0'  
  19.         }  
  20.         postdata = urllib.urlencode(values)                       ＃ 表单值编码  
  21.         req = urllib2.Request(self.url_login, postdata)  ＃ 服务器请求  
  22.         response = urllib2.urlopen(req)               
  23.         self.the_page = response.read()  import urllib2,urllib
   1. class EntryDemo( Frame ):  
   2.     """Demonstrate Entrys and Event binding"""  
   3.       
   4.     chosenrange = 2  
   5.     url_login="http://.../ipgw/ipgw.ipgw/"  
   6.     uid = ''                      ＃用户名  
   7.     password = ''            # 密码  
   8.     operation = ''           #  操作  
   9.     range = '2'                ＃ 范围  
  10.     the_page = ''            ＃ WEB服务器返回页面  
  11.    ＃ 表单的INPUT 值一定要记得填齐全  
  12.     def login(self):  
  13.         values = {  
  14.             'uid' : self.uid,  
  15.             'password' : self.password,  
  16.             'operation' : self.operation,  
  17.             'range' : self.range,    # 1:国际 2:国内  
  18.             'timeout':'0'  
  19.         }  
  20.         postdata = urllib.urlencode(values)                       ＃ 表单值编码  
  21.         req = urllib2.Request(self.url_login, postdata)  ＃ 服务器请求  
  22.         response = urllib2.urlimport urllib2,urllib
   1. class EntryDemo( Frame ):  
   2.     """Demonstrate Entrys and Event binding"""  
   3.       
   4.     chosenrange = 2  
   5.     url_login="http://.../ipgw/ipgw.ipgw/"  
   6.     uid = ''                      ＃用户名  
   7.     password = ''            # 密码  
   8.     operation = ''           #  操作  
   9.     range = '2'                ＃ 范围  
  10.     the_page = ''            ＃ WEB服务器返回页面  
  11.    ＃ 表单的INPUT 值一定要记得填齐全  
  12.     def login(self):  
  13.         values = {  
  14.             'uid' : self.uid,  
  15.             'password' : self.password,  
  16.             'operation' : self.operation,  
  17.             'range' : self.range,    # 1:国际 2:国内  
  18.             'timeout':'0'  
  19.         }  
  20.         postdata = urllib.urlencode(values)                       ＃ 表单值编码  
  21.         req = urllib2.Request(self.url_login, postdata)  ＃ 服务器请求  
  22.         response = urllib2.url