python发送带param的post请求

#!/bin/env python

#-*- encoding: utf-8 -*-

###发送带param data的body

import struct 

import httplib

import time

import urllib

import binascii

import sys

import json

#10.40.46.29:8216

#http://10.40.46.29:8216/PutUrlList?kerversion=6.0.0.6&protocolversion=1.0.0.0

ip=sys.argv[1]

port=sys.argv[2]

default_encoding = 'utf-8'

if sys.getdefaultencoding() != default_encoding:

    reload(sys)

    sys.setdefaultencoding(default_encoding)

def query():

    try:

        params=urllib.urlencode({'records':'dXsIAAAAAAAAAKtWKkpNzk+PL0otLs0pKVayiq5WSi0qyi+KT85PSVWyMtBRKsnMBTIMjS1NDCyNTUzNzIyBgmX5mcmp8SX58SWpFSVQ3UpWSs93z1R4umfBkx2dCs86Jz+fsvXF+rlKOkrJuSnxmSlAQwxMIJySygKQmbWxtQDGziAHgQAAAA=='});

        headers = {"Content-Type":"application/x-www-form-urlencoded","Connection":"Keep-Alive","Referer":"http://yuyin.baidu.com/voice?osname=voiceopen&action=usereventflow&wise_cuid=18C7D4CA83BE749657D4C7AE6B32696E"}; 

        conn = httplib.HTTPConnection(ip, port, False, 600)

        url = "/voice?osname=voiceopen&action=usereventflow&wise_cuid=18C7D4CA83BE749657D4C7AE6B32696E"

        conn.request('POST', url = url, body=params, headers=headers)

        response = conn.getresponse()

#        print response.status

        resp = response.read()

        res=json.loads(resp)

        #conn.close()

        return res

    except Exception, e:   

        conn.close()

        print ('[HttpGET] get from server failed, errmsg=%s' % (e))

        return -1

all=query()

print all["errno"]