调用微信公众平台API免费给自己发消息

素材:

注册 微信公众平台的订阅号开通开发者中心功能，注册公众平台测试账号。获取到appID和appsecret

摘要:

使用Python 2.7基于 微信‘公众平台测试账号’的appID和appsecret实现自动刷新 access_token，和（根据接收列表）发送消息的功能

代码:

# -*- coding: utf-8 -*- """ Created on Mon Apr 03 21:24:18 2017 @author: Selay """ import requests import json import threading # 字典allusers用于存储 由 索引名和openID构成的键值对 # 微信关注‘测试号’时，会生成openID用于与对应微信账号通讯 # 索引名 是为了便于自己识别和管理而对openID起的别名 allusers = {'大大':'eXIuShYFO7tghjb_4YWA'} def usersto(users = None): if users == None: return allusers['大大'] elif users == "All": return ','.join(set(allusers.values())) else: if isinstance(users,list): usersinfo = [] for user in users: usersinfo.append(allusers[user]) return ','.join(set(usersinfo)) else: print "'users' must be a list!" return def json_post_data_generator(content='Hi!你好！',users = None): msg_content = {} msg_content['content'] = content post_data = {} post_data['text'] = msg_content post_data['touser'] = "%s" % usersto(users) post_data['toparty'] = '' post_data['msgtype'] = 'text' post_data['agentid'] = '9' post_data['safe'] = '0' #由于字典格式不能被识别，需要转换成json然后在作post请求 #注：如果要发送的消息内容有中文的话，第三个参数一定要设为False return json.dumps(post_data,False,False) # 需将此处的APPID,APPSECRET换为自己‘测试号管理’页面内显示的内容 def appInfos(): APPID = "****************" APPSECRET = "******************" return (APPID,APPSECRET) def get_token_info(): APPInfo = appInfos() r = requests.get("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s" % APPInfo) #print "Accessing %s" %r.url js = r.json() if "errcode" not in js: access_token = js["access_token"] expires_in = js["expires_in"] else: print "Can not get the access_token" print js quit() return access_token,expires_in post_url_freshing = [''] def post_url(): access_token,expires_in = get_token_info() print "token expires_in:%s" % expires_in timer = threading.Timer((expires_in-200),post_url) timer.start() post_url_freshing[0] = 'https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=%s'