lanzu_api_2021-12-26/app/Model/v3/OrderGoods.php

<?php

namespace App\Model\v3;

use App\Model\Model;

class OrderGoods extends Model
{
    protected $table = 'lanzu_order_goods';

    protected $casts = [
        'spec' => 'array',
        'tags' => 'array',
    ];

    protected $appends = [
        'tags'
    ];

    public function goods()
    {
        return $this->belongsTo(Goods::class, 'goods_id', 'id');
    }

    public function goodsActivity()
    {
        return $this->belongsTo(GoodsActivity::class, 'goods_id', 'id');
    }

    public function getTagsAttribute()
    {
        return Goods::query()->where(['id' => $this->attributes['goods_id']])->value('tags');
    }
}