wanyue_app/app/api/controller/scan/QrcodeController.php

<?php

namespace app\api\controller\scan;

use app\model\SysDept;
use support\Request;

class QrcodeController{
    public function index(Request $request)
    {
        $tableId = $request->get('tid','');
        if (!empty($tableId)){
            $table = SysDept::where('dept_id',$tableId)->where('dept_category','桌台')->first();
            if (!$table){
                echo "桌台不存在";
                exit();
            }

            $qrcodeContent = [
                'action'=>'scan-dishes',
                'data'=>[
                    'premises'=>$table->dept_super_id,
                    'table'=>$table->dept_name,
                    'dept'=>$table->dept_id
                ]
            ];
            $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=wxc6274da7198e3eb4&redirect_uri=https%3A%2F%2Fh5.wanyuewellness.com.cn%2F%23%2Fpages%2Findex%2FWeChatGuide?scan="
            . urlencode(json_encode($qrcodeContent)).
            "&response_type=code&scope=snsapi_base&connect_redirect=1&state=#wechat_redirect";

            return redirect($url,302);
        }
    }
}