服务器上的操作：
将下面的wx.py文件放在服务器上，运行python3 wx.py 80

# -*- coding: utf-8 -*-
# filename: main.py
import web
import handle
import hashlib


class WeChatHandler(object):
    def GET(self):
       data = web.input()
       if len(data) == 0:
           return "hello, this is handle view"
       signature = data.signature
       timestamp = data.timestamp
       nonce = data.nonce
       echostr = data.echostr
       return int(echostr)

urls = (
    '/wx', 'WeChatHandler',
)
 
if __name__ == '__main__':
    app = web.application(urls, globals())
    app.run()

公众号端配置：
点击提交即可