python post 参数

# !/usr/bin/env python
# -*- coding: utf-8 -*-
import urllib2
import urllib
import cookielib
import json
import httplib
import re
import requests
from lxml import etree
import StringIO
import time

s = requests.session()
print s.headers
url = "https://licai.yingyinglicai.com/user/login.htm"
headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0'
}

login_url = 'http://10.3.200.9/login/VerifyLogin.jsp'
data = {'formmethod': 'post', 'logfile': '/wui/theme/ecology8/page/login.jsp?templateId=3&logintype=1&gopage=', 'loginid': '013800','logintype':'1','submit':'登录','userpassword':'xxx'}
# data = urllib.urlencode(data)
response = s.post(login_url, data=data, headers=headers,timeout=10)
print  response
print '--------------------'
print response.status_code
print '--------------------'
# time.sleep(100)
print response.content
print response.headers