RWACha-API/application/common/model/ProductBuying.php

<?php

namespace app\common\model;

use think\Model;

class ProductBuying extends Model
{

    protected $name = "product_buying";

    //1 正常 2 已出售 0 关闭
    const Normal    = 1;
    const SaleOut   = 2;
    const Close     = 0;

    /*
     * 订单状态
     */
    public $aciton_name = [
        '-1'                => '全部',
        self::Normal        => '正常',
        self::SaleOut       => '已出售',
        self::Close         => '关闭',
    ];

    public static function getProductBuyingMaxPrice(int $productId)
    {
        return self::where('product_id', $productId)->max('min_price');
    }



}