screen/application/common/model/Admin.php

<?php

namespace app\common\model;

use think\Model;

/**
 */
class Admin extends Model
{
    const UT_ADMIN=0;
    const UT_SELLER=1;
    /**
     * @param $amount
     * @return int|string
     */
    public static function getCmn($amount,GoodsSku $sku){
        $per=$sku['fx_per']?:0;
        if($per<=0){
            return 0;
        }
        return bcmul($amount,$per/100);
    }
    public function getIsManagerAttr($_,$admin){
        return !$admin['user_type']==self::UT_ADMIN;
    }
    public function getIsSellerAttr($_,$admin){
        return $admin['user_type']==self::UT_SELLER;
    }
    public function orders(){
        return $this->hasMany(Orders::class,'admin_id');
    }
}