t_nine/app/Model/ProductCategory.php

<?php

namespace App\Model;

class ProductCategory extends UseScopeBaseModel
{
    protected $table = "product_category"; //指定表
    const CREATED_AT = 'crt_time';
    const UPDATED_AT = 'upd_time';
    protected $dateFormat = 'U';
    public static $is_edit_unit_price = [
        0 => "否",
        1 => "是",
    ];
    const Special_for_roll = 112; //有模有样
    const Special_for_sn = 133; //车窗膜
}