Python微信企业号开发之回调模式接收微信端客户端发送消息及被动返回消息示例


            本文实例讲述了Python微信企业号开发之回调模式接收微信端客户端发送消息及被动返回消息。分享给大家供大家参考，具体如下：

说明：此代码用于接收手机微信端发送的消息





#-*- coding:utf-8 -*-

from flask import Flask,request

from WXBizMsgCrypt import WXBizMsgCrypt

import xml.etree.cElementTree as ET

import sys

app = Flask(__name__)

@app.route('/index',methods=['GET','POST'])

def index():

    sToken = 'Uxxxx'

    sEncodingAESKey = 'U2xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

    sCorpID = 'wx1xxxxxxxxxxxxx'

    wxcpt=WXBizMsgCrypt(sToken,sEncodingAESKey,sCorpID)

    #获取url验证时微信发送的相关参数

    sVerifyMsgSig=request.args.get('msg_signature')

    sVerifyTimeStamp=request.args.get('timestamp')

    sVerifyNonce=request.args.get('nonce')

    sVerifyEchoStr=request.args.get('echostr')

    #

    sReqMsgSig = sVerifyMsgSig

    sReqTimeStamp = sVerifyTimeStamp

    sReqNonce = sVerifyNonce

    #

    sResqMsgSig = sVerifyMsgSig

    sResqTimeStamp = sVerifyTimeStamp

    sResqNonce = sVerifyNonce

    #验证url

    if request.method == 'GET':

        ret,sEchoStr=wxcpt.VerifyURL(sVerifyMsgSig, sVerifyTimeStamp,sVerifyNonce,sVerifyEchoStr)

        print type(ret)

        print type(sEchoStr)

        if (ret != 0 ):

            print "ERR: VerifyURL ret:" + ret

            sys.exit(1)

        return sEchoStr

    #接收客户端消息

    if request.method == 'POST':

        #sReqMsgSig = request.form.get('msg_signature')

        #sReqTimeStamp = request.form.get('timestamp')

        #sReqNonce = request.form.get('nonce')

        #赋值url验证请求相同的参数，使用上面注释掉的request.form.get方式获取时，测试有问题

            sReqMsgSig = sVerifyMsgSig

            sReqTimeStamp = sVerifyTimeStamp

            sReqNonce = sVerifyNonce

        sReqData = request.data

        print sReqData

        ret,sMsg=wxcpt.DecryptMsg( sReqData, sReqMsgSig, sReqTimeStamp, sReqNonce)

        if (ret != 0):

            print "ERR: VerifyURL ret:"

            sys.exit(1)

        #解析发送的内容并打印

        xml_tree = ET.fromstring(sMsg)

        content = xml_tree.find("Content").text

        print content

    #被动响应消息，将微信端发送的消息返回给微信端

    sRespData = '''<xml>

            <ToUserName><![CDATA[mycreate]]></ToUserName>

            <FromUserName><![CDATA[wx177d1233ab4b730b]]></FromUserName>

            <CreateTime>1348831860</CreateTime>

            <MsgType><![CDATA[text]]></MsgType>

            <Content><![CDATA[''' +content +''']]></Content>

            <MsgId>1234567890123456</MsgId>

            <AgentID>1</AgentID>

            </xml>'''

    ret,sEncryptMsg=wxcpt.EncryptMsg(sRespData, sReqNonce, sReqTimeStamp)

    if( ret!=0 ):

        print "ERR: EncryptMsg ret: " + ret

        sys.exit(1)

    return sEncryptMsg

if __name__ == '__main__':

    app.run(host='0.0.0.0',port=6000,debug=True)







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