qhfl-9 微信模板消息推送

开发中用的是测试号

image

微信公众号认证流程

用户登陆

image

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/login/" method="post">
        {% csrf_token %}
        <input type="text" name="user" placeholder="用户名">
        <input type="password" name="pwd" placeholder="密码">
        <input type="submit" value="登录">
    </form>
</body>
</html>
login.html
{% load staticfiles %}

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div style=" 600px;margin: 0 auto">
    <h1>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）</h1>
    <div>
        <h3>第一步：关注路飞学城微信服务号</h3>
        <img style="height: 100px; 100px" src="{% static "img/wx.png" %}">
    </div>
    <input type="button" value="下一步【获取绑定二维码】" onclick="getBindUserQcode()">
    <div>
        <h3>第二步：绑定个人账户</h3>
        <div id="qrcode" style=" 250px;height: 250px;background-color: white;margin: 100px auto;"></div>
    </div>
</div>
<script src="{% static "js/jquery.min.js" %}"></script>
<script src="{% static "js/jquery.qrcode.min.js" %}"></script>
<script src="{% static "js/qrcode.js" %}"></script>
<script>
    function getBindUserQcode() {
        $.ajax({
            url: '/bind_qcode/',
            type: 'GET',
            success: function (result) {
                console.log(result);
                $('#qrcode').empty().qrcode({text: result.data});
            }
        });
    }
</script>

</body>
</html>
登陆成功后跳转到页面

关注公众号的

然后绑定权限

image

模板信息的新建

image

用户登录，

关注公众号，刷二维码或点击链接（向微信服务器说授予某公众号应用权限），微信服务器再通过二维码里面回调url(绑定时里面链接或二维码的重定向url)，通知开发服务器，我们在通过微信服务区通知我们的url里面的code,请求获取用户的openid（即权限id）然后保存到数据库。 

import json
import functools
import requests
from django.conf import settings
from django.shortcuts import render, redirect, HttpResponse
from django.http import JsonResponse
from app01 import models
# 沙箱环境地质：https://mp.weixin.qq.com/debug/cgi-bin/sandbox?t=sandbox/login


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 inner


def login(request):
    """
    用户登录
    :param request:
    :return:
    """
    # models.UserInfo.objects.create(username='wen',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')


@auth
def 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')


@auth
def bind_qcode(request):
    """
    生成二维码                 用户点击或扫描用于向微信服务器发送绑定某个微信公众号的请求（用户到微信服务器的公众号处报到）
                        链接里面会含有重定向的url，和从微信请求携带的code(用于重定向的url再次向微信服务器请求用户openid)
    :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"],
            redirect_uri=settings.WECHAT_CONFIG["redirect_uri"],
            state=request.session['user_info']['uid']
        )
        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。 二维码中含有重定向的url,
    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")  #像微信服务器要的code

    # 用户UID
    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": settings.WECHAT_CONFIG["app_id"],
            "secret": settings.WECHAT_CONFIG["appsecret"],
            "code": code,
            "grant_type": 'authorization_code',
        }
    ).json()
    # 获取的到openid表示用户授权成功



    openid = res.get("openid")
    print("get ",openid)
    if openid:
        models.UserInfo.objects.filter(uid=state).update(wx_id=openid)
        response = "<h1>授权成功 %s </h1>" % openid
    else:
        response = "<h1>用户扫码之后，手机上的提示</h1>"
    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()
    print("---------",request.POST)

    # user_id = request.get()
    openid = models.UserInfo.objects.get(id=2).wx_id    #获取用户id,而不是直接填一个数
    print("send msg",openid)
    # def send_custom_msg():
    #     body = {
    #         "touser": openid,
    #         "msgtype": "text",
    #         "text": {
    #             "content": '要发送的内容...'
    #         }
    #     }
    #     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": settings.WECHAT_CONFIG['template_id'],
                "data": {
                    "key": {
                        "DATA": "lalal",
                        "color": "#173177"
                    },
                    "value": {
                        "DATA": "关注本公众号",
                        "color": "#173177"
                    },
                }
            }
        )
        result = res.json()
        return result

    result = send_template_msg()
    print(result)
    if result.get('errcode') == 0:
        return HttpResponse('发送成功')
    return HttpResponse('发送失败')
视图逻辑
【推广】 免费学中医，健康全家人
原文地址：https://www.cnblogs.com/wenyule/p/10480293.html