code

# -*- coding:utf-8 -*-
from flask import Flask
from flask import request
import hashlib
import time
import re
import xml.etree.ElementTree as ET

app = Flask(__name__)

@app.route("/")
def index():
    return "Hello World!"

@app.route("/wechat", methods=["GET","POST"])
def weixin():
    if request.method == "
 
GET":     # 判斷請求方式是GET請求
        my_signature = request.args.get('signature')     # 獲取攜帶的signature引數
        my_timestamp = request.args.get('timestamp')     # 獲取攜帶的timestamp引數
        my_nonce = request.args.get('nonce')        # 獲取攜帶的nonce引數
        my_echostr = request.args.get('echostr')         # 獲取攜帶的echostr引數
        # my_token 
 
= request.args.get('token')
        print(my_signature)
        print(my_timestamp)
        print(my_nonce)
        print(my_echostr)
        # print(my_token)
        token = '123456'     # 一定要跟剛剛填寫的token一致

        # 進行字典排序
        data = [token,my_timestamp ,my_nonce ]
        data.sort()
        # 拼接成字串,進行hash加密時需為字串
        data 
 
= ''.join(data)
        #建立一個hash物件
        s = hashlib.sha1()
        #對建立的hash物件更新需要加密的字串
        s.update(data.encode("utf-8"))
        #加密處理
        mysignature = s.hexdigest()

        print("handle/GET func: mysignature, my_signature: ", mysignature, my_signature)

        # 加密後的字串可與signature對比，標識該請求來源於微信
        if my_signature == mysignature:
            return my_echostr
        else:
            return ""
    else:
            # 解析xml
            xml = ET.fromstring(request.data)
            toUser = xml.find('ToUserName').text
            fromUser = xml.find('FromUserName').text
            msgType = xml.find("MsgType").text
            createTime = xml.find("CreateTime")
            # 判斷型別並回復
            if msgType == "text":
                content = xml.find('Content').text
                content=content+"已收到"
                return reply_text(fromUser, toUser, content)
            else:
                return reply_text(fromUser, toUser, "我只懂文字")

def reply_text(to_user, from_user, content):
    """
    以文字型別的方式回覆請求
    """
    return """
    <xml>
        <ToUserName><![CDATA[{}]]></ToUserName>
        <FromUserName><![CDATA[{}]]></FromUserName>
        <CreateTime>{}</CreateTime>
        <MsgType><![CDATA[text]]></MsgType>
        <Content><![CDATA[{}]]></Content>
    </xml>
    """.format(to_user, from_user, int(time.time() * 1000), content)

if __name__ == "__main__":
    app.run(host='0.0.0.0', port=879)