python 微信企业号-回调模式接收微信端客户端发送消息并被动返回消息

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)