weilaibike-api/app/Models/Advertisement.php

<?php

namespace App\Models;
class Advertisement extends Model
{
    protected $guarded = [];

    const DISPLAY_OK = 1;
    const DISPLAY_PAUSE = 0;
    public static $statusMaps = [
        self::DISPLAY_OK => '正常',
        self::DISPLAY_PAUSE => '暂停',
    ];

    const POSITION_HEADER = 'header';
    const POSITION_MID = 'mid';
    const POSITION_FOOTER = 'footer';
}