How to use the Hyperf framework to develop web applications

How to use the Hyperf framework to develop Web applications

Introduction
With the rapid development of the Internet, the demand for Web applications is also increasing. In order to meet developers' needs for high performance and efficiency, more and more frameworks have been developed. As a high-performance framework developed based on Swoole extension, the Hyperf framework has attracted the attention and love of the majority of developers. This article will guide you how to use the Hyperf framework to develop web applications and help you understand the core concepts and usage of the Hyperf framework.

1. Install the Hyperf framework
It is very simple to install the Hyperf framework using Composer. You only need to execute the following command:

composer create-project hyperf/hyperf-skeleton

After successful installation, a hyperf-skeleton will be generated. Table of contents.

2. Create a controller
In the Hyperf framework, routing and controllers are important components used to process requests and return responses. Next we create a simple controller to handle routing requests.

First, create a new directory named Controller in the hyperf-skeleton app directory to store controller files.

Then create a PHP file named IndexController in the Controller directory, with the following content:

<?php
declare(strict_types=1);

namespace AppController;

use HyperfHttpServerAnnotationAutoController;
use HyperfHttpServerContractRequestInterface;
use HyperfHttpServerContractResponseInterface;

/**
 * @AutoController(prefix="/")
 */
class IndexController
{
    public function index(RequestInterface $request, ResponseInterface $response)
    {
        return $response->raw('Hello Hyperf');
    }
}

The annotation @AutoController of the Hyperf framework is used here to automatically bind routes, and RequestInterface and ResponseInterface are used to handle requests and responses.

3. Configure routing
Continue to create a new directory named Routes in the app directory to store routing files.

Then create a PHP file named index.php in the Routes directory, with the following content:

<?php
declare(strict_types=1);

use HyperfHttpServerRouterRouter;

Router::get('/', 'AppControllerIndexController@index');

Here the routing component Router of the Hyperf framework is used to set the route, and the '/' path is Maps to the index method of IndexController.

4. Start the server
Execute the following command in the root directory of hyperf-skeleton to start the Hyperf server:

php bin/hyperf.php start

After the server is started successfully, you can access http in the browser: //localhost:9501, you should be able to see the output of Hello Hyperf.

Summary
This article introduces the basic steps of how to use the Hyperf framework to develop Web applications through sample code, including installing the framework, creating a controller, configuring routing, and starting the server. I hope that the introduction in this article can help you better understand and use the Hyperf framework. In actual development, you can also learn more about other features and functions of the Hyperf framework to develop more complex and efficient web applications.

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