How to use Hyperf framework for request caching
Oct 21, 2023 am 09:47 AM
How to use the Hyperf framework for request caching, specific code examples are required
Introduction:
When developing web applications, we often need to handle a large number of data requests . In order to improve the response speed and performance of the system, we can use request caching technology. The Hyperf framework provides a convenient and easy-to-use request caching function. This article will introduce in detail how to use the Hyperf framework for request caching and give specific code examples.
1. What is request caching?
Request caching is a technology that caches frequently requested data in memory. When the same data is requested next time, it is taken directly from the cache without accessing the database or external interface again. By using request caching, the performance and response speed of the system can be greatly improved.
2. Request caching in the Hyperf framework
The Hyperf framework is a high-performance PHP microservice framework that provides the function of request caching. Hyperf's request caching function is based on Symfony's HttpCache component, and request caching can be enabled through simple configuration and code modification.
3. Enable request caching
To enable request caching, you first need to make the corresponding configuration in the Hyperf configuration file config/autoload/routes.php. In the routes.php file, you can see the following code snippet:
<?php
use HyperfHttpServerRouterRouter;
Router::get('/home', 'AppControllerHomeController@index');
// 其他路由配置代碼...
In this file, we can add cache configuration to the route through the Router::addServer() method. The specific code is as follows:
<?php
use HyperfHttpServerRouterRouter;
Router::addServer('home', function () {
Router::get('/home', 'AppControllerHomeController@index');
// 其他路由配置代碼...
}, ['name' => 'home']);In the addServer method, we can add a name to each server, here we name it 'home'. Then we configure the routing of the home page again to use caching. Here we use the Router::addRoute method and add a cache configuration data in the third parameter.
Next, we need to add the following code at the end of the config/autoload/routes.php file:
<?php
use HyperfHttpServerRouterDispatcherFactory;
use HyperfHttpServerRouterHandler;
$dispatcher = new DispatcherFactory();
$dispatcher->setServer('home');
$dispatcher->setHandlers([
new Handler('app', 'home'),
]);
return $dispatcher;
In the above code, we create a route through the new Handler() method instance of the handler and then add it to the setHandlers() method. The processor name here is 'home', which is consistent with the name we added earlier in Router::addServer().
At this point, we have completed the configuration of the request cache, and now we can write the code and test it.
4. Code Example
The following is a code example using request caching:
<?php
namespace AppController;
use HyperfHttpServerAnnotationAutoController;
use HyperfHttpServerAnnotationMiddleware;
use HyperfHttpServerAnnotationMiddlewareCollect;
use HyperfHttpServerContractRequestInterface;
use HyperfHttpServerContractResponseInterface;
use HyperfHttpServerRouterAnnotationMapping;
use PsrCacheCacheItemPoolInterface;
/**
* @AutoController()
* @MiddlewareCollect({VerifyMiddleware::class})
*/
class HomeController extends AbstractController
{
/**
* @ResourcePool
*/
protected $resourcePool;
/**
* @RequestMapping(path="/home", methods={"GET"})
* @Middleware(TraceMiddleware::class)
*/
public function index(RequestInterface $request, ResponseInterface $response)
{
$cacheKey = 'home_index_data';
// 檢查緩存是否存在
if ($this->resourcePool->has($cacheKey)) {
return $this->resourcePool->get($cacheKey);
}
// 從數(shù)據(jù)庫(kù)中獲取數(shù)據(jù)
$data = DB::table('table')->get();
// 將數(shù)據(jù)寫入緩存
$this->resourcePool->put($cacheKey, $data, 600); // 緩存有效期為10分鐘
return $data;
}
}
In the above code, we use the @ResourcePool annotation provided by the Hyperf framework through injection Use the cache pool to facilitate us to read and write the cache. In the index method, we first check whether the cache exists, and if it exists, directly retrieve the data from the cache and return it; otherwise, obtain the data from the database and write it to the cache. When writing to the cache, we specified that the cache validity period is 600 seconds (i.e. 10 minutes).
5. Summary
Through the above sample code, we demonstrate how to use the Hyperf framework for request caching. Enabling request caching can significantly improve the performance and responsiveness of your system, especially when handling large numbers of repeated requests. I hope this article will help you understand and use the request caching function of the Hyperf framework.
The above is the detailed content of How to use Hyperf framework for request caching. For more information, please follow other related articles on the PHP Chinese website!
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