hemall.terabimsoft.com.cn/app/common/models/GoodsCategory.php

<?php
/**
 * Created by PhpStorm.
 * Author: 芸众商城 www.yunzshop.com
 * Date: 2017/2/22
 * Time: 19:35
 */

namespace app\common\models;

use app\common\models\BaseModel;
use Illuminate\Database\Eloquent\Builder;
use app\backend\modules\goods\observers\GoodsCategoryObserver;

/**
 * Class GoodsCategory
 * @package app\common\models
 * @property string category_ids
 */
class GoodsCategory extends BaseModel
{
    public $table = 'yz_goods_category';

    public $guarded = ['updated_at', 'created_at', 'deleted_at'];

    public function goods()
    {
        return $this->hasOne('app\common\models\Goods','id','goods_id');
    }

    public function goodsDiscount()
    {
        return $this->hasMany(GoodsDiscount::class, 'goods_id', 'goods_id');
    }

    public function goodsOption()
    {
        return $this->hasOne('app\common\models\GoodsOption','id','goods_option_id');
    }

    public function delCategory($goods_id)
    {
        return $this->where(['goods_id' => $goods_id])
            ->delete();
    }

    public static function boot()
    {
        parent::boot();
        //注册观察者
        static::observe(new GoodsCategoryObserver);
    }

}