weixin.py

# -*- coding: utf-8 -*-
import hashlib
import web
import lxml
import time
import os
import urllib2,json
from lxml import etree

class WeixinInterface:

    def __init__(self):
        self.app_root = os.path.dirname(__file__)
        self.templates_root = os.path.join(self.app_root, 'templates')
        self.render = web.template.render(self.templates_root)

    def GET(self):
        #获取输入参数
        data = web.input()
        signature=data.signature
        timestamp=data.timestamp
        nonce=data.nonce
        echostr=data.echostr
        #自己的token
        token="15klli" #这里改写你在微信公众平台里输入的token
        #字典序排序
        list=[token,timestamp,nonce]
        list.sort()
        sha1=hashlib.sha1()
        map(sha1.update,list)
        hashcode=sha1.hexdigest()
        #sha1加密算法        

        #如果是来自微信的请求，则回复echostr
        if hashcode == signature:
            return echostr