pet/application/common/model/Coupon.php

<?php

namespace app\common\model;

use think\Model;

/**
 * 配置模型
 */
class Coupon extends Model
{
    protected $append=[
        'type_desc',
    ];
    const C1=1;
    const C2=2;
    const C3=3;
    const C4=4;
    public static $types=[
        self::C1=>'代金券',
        self::C2=>'满减券',
        self::C3=>'折扣券',
        self::C4=>'新用户下单券',
    ];

    public function getTypeDescAttr($v,$d){
        return self::$types[$d['type']]??'-';
    }
}