jh-admin/app/event/SiteOrderPayNotify.php

<?php
namespace app\event;
use app\model\system\SiteOrder;
class SiteOrderPayNotify
{
    // 行为扩展的执行入口必须是run
    public function handle($data)
    {
        $order = new SiteOrder();
        $order->orderOnlinePay($data);
    }
}