dfxd/app/Model/Gateway.php

<?php

namespace App\Model;

use Illuminate\Database\Eloquent\Model;

class Gateway extends Model
{
    protected $table = "gateway"; //指定表
    const CREATED_AT = 'crt_time';
    const UPDATED_AT = 'upd_time';
    protected $dateFormat = 'U';
    public static $online = [
        0 => '离线',
        1 => '在线'
    ];
}