weapp-api/app/Handlers/WechatMessageHandler.php

<?php

namespace App\Handlers;
use GuzzleHttp\Client;
use Illuminate\Support\Facades\Cache;

class WechatMessageHandler {
    public function new(){
        $client=new Client();
        $client_id = config('config.appid');
        $secret = config('config.appsecret');
        $url = 'https://api.weixin.qq.com/cgi-bin/token';
        $array = [
            'query' => [
                'appid' => $client_id,
                'secret' => $secret,
                'grant_type' => 'client_credential',
            ],
        ];
        $response = $client->request('GET', $url, $array);
        $ad = json_decode($response->getBody()->getContents());
        $token=$ad->access_token;
        Cache::put('wechattoken',$token);
    }

    public function news($openid,$template_id,$data,$k=0){
        $client=new Client();
        $url='https://api.weixin.qq.com/cgi-bin/message/wxopen/template/uniform_send';
        $token=Cache::get('wechattoken');
        if (!$token){
            $this->new();
            $token=Cache::get('wechattoken');
        }
        $array = [
            'query'=>[
                'access_token' => $token,
            ],
            'json' => [

                'touser' => $openid,
                'mp_template_msg'=>[
                    'appid'=>env('APPID'),
                    'template_id' => $template_id,
                    'url'=>'',
                    "miniprogram"=>[
                        "appid"=>config('config.appid'),
                        "pagepath"=>"/pages/index/index"
                    ],
                    'data'=>$data
                ]
            ],
        ];
        $response = $client->request('POST', $url, $array);
        $ad = json_decode($response->getBody()->getContents());
        if ($ad->errcode==0){
            return 200;
        }else{
            Cache::forget('wechattoken');
            $this->new();
            $k=$k+1;
            if ($k==2){
                return 300;
            }
            $code=$this->news($openid,$template_id,$data,$k);
            if ($code==200){
                return 200;
            }
            return 300;
        }
    }
}