screen/application/index/controller/Payment.php

<?php

namespace app\index\controller;

use app\common\controller\Frontend;
use app\common\service\OrderPaySuccService;
use app\common\service\PayReturnService;
use think\Db;

/**
 * 第三方登录控制器
 */
class Payment extends Frontend
{
    protected $noNeedLogin='*';

    /**
     * 支付成功回调
     */
    public function notify($order_no)
    {
        Db::startTrans();
        $payment=\app\common\model\Payment::where('order_no',$order_no)
            ->lock(true)
            ->find();
        if(!$payment){
            Db::rollback();
            $this->result([],400);
        }
        $service=new PayReturnService();
        $service->setPayment($payment);
        list($isPay,$succ)=$service->process();
        if(!$payment['pay_time'] && $isPay){
            $payment->payed();
        }
        Db::commit();
        return $succ;
    }
}