一 所需准备条件
微信公众号的分类
- 微信消息推送
- 公众号
- 已认证公众号
- 服务号
- 已认证服务号
- 企业号
- 公众号
基于:微信认证服务号 主动推送微信消息。
前提:关注服务号环境:沙箱环境沙箱环境地址: https://mp.weixin.qq.com/debug/cgi-bin/sandbox?t=sandbox/login
二 基本流程
-
-
注册开发者账号
获得:appID、appsecret
网页授权获取用户基本信息:47.98.134.86 或 域名
-
关注公众号(已认证的服务号)
-
生成二维码,用户扫描;
将用户信息发送给微信,微信再将数据发送给设置redirect_uri地址(md5值) -
回调地址:47.98.134.86/callback/
- 授权
- 用户md5
- 获取wx_id在数据库中更新设置:wx_id
-
发送消息(模板消息)
-
wx_id
-
access_token(2小时有效期)
-
-
三 核心代码
import jsonimport functoolsimport requestsfrom django.conf import settingsfrom django.shortcuts import render, redirect, HttpResponsefrom django.http import JsonResponsefrom app01 import models# 沙箱环境地质:https://mp.weixin.qq.com/debug/cgi-bin/sandbox?t=sandbox/logindef index(request): obj = models.UserInfo.objects.get(id=1) return render(request,'index.html',{ 'obj':obj})def auth(func): @functools.wraps(func) def inner(request, *args, **kwargs): user_info = request.session.get('user_info') if not user_info: return redirect('/login/') return func(request, *args, **kwargs) return innerdef login(request): """ 用户登录 :param request: :return: """ # models.UserInfo.objects.create(username='luffy',password=123) if request.method == "POST": user = request.POST.get('user') pwd = request.POST.get('pwd') obj = models.UserInfo.objects.filter(username=user, password=pwd).first() if obj: request.session['user_info'] = { 'id': obj.id, 'name': obj.username, 'uid': obj.uid} return redirect('/bind/') else: return render(request, 'login.html')@authdef bind(request): """ 用户登录后,关注公众号,并绑定个人微信(用于以后消息推送) :param request: :return: """ return render(request, 'bind.html')@authdef bind_qcode(request): """ 生成二维码 :param request: :return: """ ret = { 'code': 1000} try: access_url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={appid}&redirect_uri={redirect_uri}&response_type=code&scope=snsapi_userinfo&state={state}#wechat_redirect" access_url = access_url.format( appid=settings.WECHAT_CONFIG["app_id"], # 'wx89085e915d351cae', redirect_uri=settings.WECHAT_CONFIG["redirect_uri"], # 'http://47.93.4.198/test/', state=request.session['user_info']['uid'] # 为当前用户生成MD5值 ) ret['data'] = access_url except Exception as e: ret['code'] = 1001 ret['msg'] = str(e) return JsonResponse(ret)def callback(request): """ 用户在手机微信上扫码后,微信自动调用该方法。 用于获取扫码用户的唯一ID,以后用于给他推送消息。 :param request: :return: """ code = request.GET.get("code") # 用户md5值 state = request.GET.get("state") # 获取该用户openId(用户唯一,用于给用户发送消息) res = requests.get( url="https://api.weixin.qq.com/sns/oauth2/access_token", params={ "appid": 'wx89085e915d351cae', "secret": '64f87abfc664f1d4f11d0ac98b24c42d', "code": code, "grant_type": 'authorization_code', } ).json() # 获取的到openid表示用户授权成功 openid = res.get("openid") if openid: models.UserInfo.objects.filter(uid=state).update(wx_id=openid) response = "授权成功 %s
" % openid else: response = "用户扫码之后,手机上的提示
" return HttpResponse(response)def sendmsg(request): def get_access_token(): """ 获取微信全局接口的凭证(默认有效期俩个小时) 如果不每天请求次数过多, 通过设置缓存即可 """ result = requests.get( url="https://api.weixin.qq.com/cgi-bin/token", params={ "grant_type": "client_credential", "appid": settings.WECHAT_CONFIG['app_id'], "secret": settings.WECHAT_CONFIG['appsecret'], } ).json() if result.get("access_token"): access_token = result.get('access_token') else: access_token = None return access_token access_token = get_access_token() openid = models.UserInfo.objects.get(id=1).wx_id def send_custom_msg(): body = { "touser": openid, "msgtype": "text", "text": { "content": '云姐好美呀' } } response = requests.post( url="https://api.weixin.qq.com/cgi-bin/message/custom/send", params={ 'access_token': access_token }, data=bytes(json.dumps(body, ensure_ascii=False), encoding='utf-8') ) # 这里可根据回执code进行判定是否发送成功(也可以根据code根据错误信息) result = response.json() return result def send_template_msg(): """ 发送模版消息 """ res = requests.post( url="https://api.weixin.qq.com/cgi-bin/message/template/send", params={ 'access_token': access_token }, json={ "touser": openid, "template_id": '0XbLbuNkn3wPPAYRVXM-MZ0gU0tPvVbsjfc1qoSH6CM', "data": { "first": { "value": "罗毛", "color": "#173177" }, "keyword1": { "value": "傻屌", "color": "#173177" }, } } ) result = res.json() return result result = send_template_msg() if result.get('errcode') == 0: return HttpResponse('发送成功') return HttpResponse('发送失败')
1 {% load staticfiles %} 2 3 4 5 6 7Title 8 9 101122 23 24 25 37 38 39请关注路飞学城服务号,并绑定个人用户(用于以后的消息提醒)
121316 17第一步:关注路飞学城微信服务号
14 151821第二步:绑定个人账户
19 20
class UserInfo(models.Model): username = models.CharField("用户名", max_length=64, unique=True) password = models.CharField("密码", max_length=64) uid = models.CharField(verbose_name='个人唯一ID',max_length=64, unique=True) wx_id = models.CharField(verbose_name="微信ID", max_length=128, blank=True, null=True, db_index=True) def save(self, *args, **kwargs): # 创建用户时,为用户自动生成个人唯一ID if not self.pk: m = hashlib.md5() m.update(self.username.encode(encoding="utf-8")) self.uid = m.hexdigest() super(UserInfo, self).save(*args, **kwargs)