book_admin/application/main/InternalInterface/PayInterface.php

<?php
/**
 * Created by PhpStorm.
 * User: Bear
 * Date: 2019/8/12
 * Time: 下午7:13
 */

namespace app\main\InternalInterface;

/**
 * Interface PayInterface
 * @package app\main\InternalInterface
 */
interface PayInterface
{
    public function init($payMethod);

    public function createOrder();

    public function saveOrder();
}