阿珏酱

    The above is the pre-order code for face-to-face payment.
    <br/>
    Regarding this SDK, I really need to complain a bit about it. Which person wrote the demo, and still included a lotusphp framework in the PHP example, a bunch of useless stuff, completely disregarding whether we developers can accept it.
    <br/>
    I also spent some time simplifying the SDK, only taking out the parts I needed, putting them into my own framework, and adding namespaces and autoloading.
    <br/>
    <img src="https://img2023.cnblogs.com/blog/3441070/202405/3441070-20240526174145251-551273636.jpg"/>
    <br/>
    QR code payment has a unique feature ---- asynchronous notification.
    <br/>
    This is exactly the feature most needed for online payments.
    <br>
    When the cash register calls the pre-order request API to generate the QR code for the user, the user scans the QR code with their phone to make the payment. Alipay will send the change information of this order to the merchant system via the asynchronous notification address notify_url that was passed in when the merchant called the pre-order request, using a POST request to notify the payment result as parameters.
    <br/>
    <img src="https://img2023.cnblogs.com/blog/3441070/202405/3441070-20240526174146216-407474224.jpg"/>
    <br/>
    Remember that this asynchronous notification address needs to be set in the application.
    <br/>
    <pre class="prettyprint lang-php linenums">    // Asynchronous callback
public function notify() {
    if (request()->isPost()) {
        require ROOT_PATH.'extend/f2fpay/config/config.php';
        $aop                     = new AopClient;
        $aop->alipayrsaPublicKey = $config['alipay_public_key'];
        $flag                    = $aop->rsaCheckV1($_POST, null, "RSA2");
        if ($flag) {
            // Asynchronous SIGN verification successful, can proceed to the next action. For example, verify the order amount and then complete the order, etc.
            // The verification needed is whether the order number and order amount are consistent. If verified successfully, you can operate on the order in the database.
            // TRADE_SUCCESS means that the payment has been received for face-to-face payment. For details, see here https://www.cnblogs.com/tdalcn/p/5956690.html
            if ($_POST['trade_status'] === "TRADE_SUCCESS") {
                // Order processing template
                
                $res = Db::name('order')
                    ->where('pay_id', $_POST['out_trade_no'])
                    ->where('money', $_POST['total_amount'])
                    ->where('status', 0)
                    ->find();
                if($res){
                    Db::name('order')
                        ->where('id',$res['id'])
                        ->update([
                            'status' => 1,
                            'buyer_logon_id' => $_POST['buyer_logon_id'],
                            'pay_time' => $_POST['gmt_payment'],
                            'pay_no' => $_POST['trade_no']
                        ]);
                    Db::name('user')
                        ->where('uid',$res['uid'])
                        ->setInc('integral', floatval($_POST['total_amount']) * 1000);
                }

            }
        } 
        echo 'success'; // The interface must return success, otherwise Alipay will keep sending verification.
    } 
}</pre>
     <strong>
      <span style="font-size:18px;">
       Polling
      </span>
     </strong>
     <br>
      If you need to synchronously redirect after the payment is successful on the page, polling needs to be added. Since face-to-face payment does not have this synchronous notification feature, polling is required, and this method is also mentioned in the face-to-face payment documentation.
      <br/>
      The following code is excerpted from the Bty paid version.
      <br/>
      <pre class="prettyprint lang-php linenums">public function query()
{
    if (input('post.no')) {
        $out_trade_no = input('post.no');

        $queryContentBuilder = new AlipayTradeQueryContentBuilder();
        $queryContentBuilder->setOutTradeNo($out_trade_no);

        $queryResponse = new AlipayTradeService($this->alipay_config);
        $queryResult   = $queryResponse->queryTradeResult($queryContentBuilder);
        $res['status'] = $queryResult->getTradeStatus();
        $res['buyer']  = isset($queryResult->getResponse()->buyer_logon_id) ? $queryResult->getResponse()->buyer_logon_id : '';
        $res['amount'] = $queryResult->getResponse()->buyer_pay_amount;

        if ($res['status'] == 'SUCCESS') {
            $this->paySuccess('', $out_trade_no);
        }

        exit(json_encode($res));
    } else {
        $this->error('Illegal request');
    }
}</pre>
      Since we are not integrating a system similar to a mall, we do not temporarily need complex operations like refunds.
      <br/>
      <img src="https://img2023.cnblogs.com/blog/3441070/202405/3441070-20240526174147080-1313678268.jpg"/>
      <br/>
      The basic integration of face-to-face payment ends here.
      <br/>
      The end, let’s celebrate!
      
      
     </br>
    </br>
   </br>
  </img>
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