Gong-Ying-Lian-API/app/common/model/ProductConfig.php

<?php
declare(strict_types=1);

namespace app\common\model;

use app\common\model\base\BaseModel;

class ProductConfig extends BaseModel
{


      //获取规格重量
      public static function getWeight(int $id): float|string|null
      {
          return self::where('id', $id)->value('weight');
      }

      

}