python自动登录不成功，

kukuyuer

# -*- coding: utf-8 -*-
"""
Spyder Editor

This is a temporary script file.
"""

import urllib
import urllib2
import cookielib
cookie = cookielib.CookieJar()  
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie))

postdata=urllib.urlencode({'__EVENTARGUMENT':'Clicked',
'__EVENTTARGET':'ctrlLogin$btnLogin',
'__EVENTVALIDATION':'/wEdAAXgfUT34Sqk1A6PgzWAWT6FitrSXD9en5583U/SzIvvpRBJTD0S6pOa3BeZzle4DuDrMHby0TZn1FgbwY2GCnzuDNQqn58kjDBi6dN+HVo4bGbRRrYp30zDD3LkN8PVwFsHsXGLsigr4iaoqmjx7ud9',
'__VIEWSTATE':'/wEPDwULLTEwMjkzMTc3MDQPZBYCZg9kFgICAQ9kFgQCCQ9kFgJmDxYCHglpbm5lcmh0bWwFBuivreiogGQCCw9kFgJmDxYCHwAFFENoYW5nZSBQaG9uZSBQcm9maWxlZGRNNt2Y10rvOhlPHC94cv7fQXfLSSlG9IAMAWWa4KIvqQ==',
'ctrlLogin$LanguageID':'',       
'ctrlLogin$txtExpand':'false',
'ctrlLogin$txtPassword1':'12345678a?',
'ctrlLogin$txtUser1':'xxxxxx'})
#postdata='__EVENTTARGET=ctrlLogin%24btnLogin&__EVENTARGUMENT=&__VIEWSTATE=%2FwEPDwULLTEwMjkzMTc3MDQPZBYCZg9kFgICAQ9kFgQCCQ9kFgJmDxYCHglpbm5lcmh0bWwFBuivreiogGQCCw9kFgJmDxYCHwAFFENoYW5nZSBQaG9uZSBQcm9maWxlZGRNNt2Y10rvOhlPHC94cv7fQXfLSSlG9IAMAWWa4KIvqQ%3D%3D&__EVENTVALIDATION=%2FwEdAAXgfUT34Sqk1A6PgzWAWT6FitrSXD9en5583U%2FSzIvvpRBJTD0S6pOa3BeZzle4DuDrMHby0TZn1FgbwY2GCnzuDNQqn58kjDBi6dN%2BHVo4bGbRRrYp30zDD3LkN8PVwFsHsXGLsigr4iaoqmjx7ud9&ctrlLogin%24LanguageID=&ctrlLogin%24txtUser1=huanglzh&ctrlLogin%24txtPassword1=123456a%3F&ctrlLogin%24txtExpand=false'
req = urllib2.Request(  
    url = '？？？？？',  
    data = postdata
)
req.add_header('User-Agent', 'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; .NET4.0C; Tablet PC 2.0; .NET4.0E)')
result = opener.open(req)

for item in cookie:
    print 'Name = '+item.name
    print 'Value = '+item.value

print result.read()

返回密码错误