xyzshop/helper/refill/IRefillOil.php

<?php


namespace refill;

abstract class IRefillOil extends IRefill
{
    public function __construct($cfgs)
    {
        parent::__construct($cfgs);
    }

    public function balance()
    {
        return [false, 'RefillOil 暂无余额接口'];
    }
}