zh_food/app/Models/GoodsSku.php

<?php

namespace App\Models;

use DateTimeInterface;
use Illuminate\Database\Eloquent\Model;

/**
 * 商家商品规格表
 *
 * @property int $id 商品规格表
 * @property int $goods_id 商品id
 * @property string|null $sku_name 规格名称
 * @property int $sku_type 1:单选, 2:多选
 * @property int $affect_quantity 是否影响购物车数量: 0-不影响, 1-影响
 * @property int $is_del 是否删除
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku newQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku query()
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku whereAffectQuantity($value)
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku whereCreatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku whereGoodsId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku whereIsDel($value)
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku whereSkuName($value)
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku whereSkuType($value)
 * @method static \Illuminate\Database\Eloquent\Builder|GoodsSku whereUpdatedAt($value)
 * @mixin \Eloquent
 */
class GoodsSku extends Model
{
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'goods_sku';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = true;


    /**
     * 不能被批量赋值的属性
     *
     * @var array
     */
    protected $guarded = ['id', 'updated_at', 'created_at'];

    /**
     * 为数组 / JSON 序列化准备日期。
     *
     * @param DateTimeInterface $date
     * @return string
     */
    protected function serializeDate(DateTimeInterface $date)
    {
        return $date->format($this->dateFormat ?: 'Y-m-d H:i:s');
    }

}