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Home PHP Framework Laravel How to use middleware for Alipay payment integration in Laravel

How to use middleware for Alipay payment integration in Laravel

Nov 03, 2023 pm 05:01 PM
integrated Pay with Ali-Pay laravel middleware

How to use middleware for Alipay payment integration in Laravel

How to use middleware for Alipay payment integration in Laravel

Introduction:
With the rapid development of e-commerce, there are more and more online payment methods Be widely adopted. As one of the commonly used payment methods, Alipay payment has a wide user base and stable payment system in China. This article will introduce how to use middleware in the Laravel framework to integrate Alipay payment to provide convenience for developers.

1. Early preparation

  1. Create an application in the Alipay Developer Center and obtain the relevant secret key.
  2. Make sure the Laravel project has Composer installed and configured.

2. Install related dependencies
Install Alipay SDK through Composer. 

composer require alipay/alipay-sdk-php

3. Create middleware

  1. Execute the following command to create a middleware named AlipayMiddleware. 

    php artisan make:middleware AlipayMiddleware

  2. Open the generated AlipayMiddleware.php file and write the middleware code as follows: 

    <?php

namespace AppHttpMiddleware;

use Closure;
use AlipayAopClient;
use IlluminateHttpRequest;

class AlipayMiddleware
{
 protected $alipay;

 public function __construct()
 {
     // 實(shí)例化AopClient類
     $this->alipay = new AopClient();
     $this->alipay->appId = config('alipay.app_id');
     $this->alipay->gatewayUrl = 'https://openapi.alipay.com/gateway.do';
     $this->alipay->rsaPrivateKey = config('alipay.private_key');
     $this->alipay->alipayPublicKey = config('alipay.public_key');
     $this->alipay->format = 'json';
     $this->alipay->charset = 'UTF-8';
     $this->alipay->signType = 'RSA2';
 }

 public function handle(Request $request, Closure $next)
 {
     // TODO: 在此處編寫(xiě)校驗(yàn)支付寶支付的邏輯

     return $next($request);
 }
}

  3. In the app/Http/Kernel.php file Add the following code to the $routeMiddleware array: 

    'ali.pay' => AppHttpMiddlewareAlipayMiddleware::class,

4. Develop routes and controllers

  1. Add the following to the routes/web.php file Code: 

    Route::post('/pay', [AppHttpControllersPayController::class, 'pay'])->middleware('ali.pay');
Route::post('/callback', [AppHttpControllersPayController::class, 'callback']);

  2. Create PayController: 

    php artisan make:controller PayController

  3. Open the generated PayController.php file and write the code for the pay and callback methods as follows: 

    <?php

namespace AppHttpControllers;

use AlipayAopClient;
use IlluminateHttpRequest;

class PayController extends Controller
{
 public function pay(Request $request, AopClient $alipay)
 {
     // TODO: 在此處編寫(xiě)支付邏輯，調(diào)用支付寶支付接口

     // 獲取返回結(jié)果并返回
     return $alipay->pageExecute();
 }

 public function callback(Request $request)
 {
     // TODO: 在此處編寫(xiě)支付回調(diào)的邏輯

     // 返回支付結(jié)果
     return 'success';
 }
}

5. Configuration file

  1. Open the config/app.php file, find the providers array and add the following code: 

    AlipayAlipayServiceProvider::class,

  2. Open the config/app.php file, find the aliases array and add the following code: 

    'Alipay' => AlipayFacadeAlipay::class,

  3. Create the config/alipay.php file in the project root directory and add the following Code: 

    <?php

return [
 'app_id' => env('ALIPAY_APP_ID'),
 'private_key' => env('ALIPAY_PRIVATE_KEY'),
 'public_key' => env('ALIPAY_PUBLIC_KEY'),
];

6. Configure environment variables
Add the following code to the .env file in the root directory: 

ALIPAY_APP_ID=xxxx
ALIPAY_PRIVATE_KEY=xxxx
ALIPAY_PUBLIC_KEY=xxxx

Replace xxxx with your Alipay related Secret key.

7. Use middleware for Alipay payment integration

  1. Complete the logic of parameter verification and signature verification for Alipay payment in the handle method of AlipayMiddleware.
  2. In the pay method of PayController, call the Alipay payment interface.
  3. In the callback method of PayController, handle the payment callback.

8. Summary
This article introduces how to use middleware for Alipay payment integration in Laravel. By installing dependencies, creating middleware, developing routes and controllers, and configuring them, we finally achieved the integration of Alipay payment in the project. Developers can write corresponding business logic in middleware and controllers according to their own needs to achieve more personalized Alipay payment functions.

(Note: The above code is only an example, the specific implementation can be adjusted according to business needs)

The above is the detailed content of How to use middleware for Alipay payment integration in Laravel. For more information, please follow other related articles on the PHP Chinese website!

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