jichuangshe/server/app/Models/ProductCategory.php

<?php

namespace App\Models;

use Dcat\Admin\Traits\HasDateTimeFormatter;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Model;

/**
 * App\Models\ProductCategory
 *
 * @property int $id
 * @property string $name 名称
 * @property int $level 分类级别
 * @property int|null $pid 父id
 * @property int $sort 排序越大越靠前
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property \Illuminate\Support\Carbon|null $deleted_at
 * @property \Illuminate\Support\Carbon|null $created_at
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory newQuery()
 * @method static \Illuminate\Database\Query\Builder|ProductCategory onlyTrashed()
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory query()
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory whereCreatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory whereDeletedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory whereLevel($value)
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory whereName($value)
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory wherePid($value)
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory whereSort($value)
 * @method static \Illuminate\Database\Eloquent\Builder|ProductCategory whereUpdatedAt($value)
 * @method static \Illuminate\Database\Query\Builder|ProductCategory withTrashed()
 * @method static \Illuminate\Database\Query\Builder|ProductCategory withoutTrashed()
 * @mixin \Eloquent
 * @property-read ProductCategory|null $parent
 */
class ProductCategory extends Model
{
	use HasDateTimeFormatter;
    use SoftDeletes;

    protected $table = 'product_categories';

    public function parent(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(ProductCategory::class,'pid','id');
    }

}