?? ? ?????? ???? ? ?????? ???? ??????? ? ??? ???? ??? ? ?? ???? ???? ???? ??? ?????. PHP ???? Slim? ?? ???? ?? ??? ? ??? ?? ? ????????. ? ????? PHP? Slim? ???? ?????? ??? ? ??????? ??? ??? ?????.

???? ??????

Slim? PHP ??? ??? ?? ? ????????. ?? ????? ???? ???? ?? ???? ?? ??????? ? ?? ??? ? ??? ?? ???? ??? ??????. ???, ?? ? ?? ??, ??? ?? ?? ??? ?? ?? ??? ???? ????? ?? ??? ??? ?? ????.

Composer? ???? Slim ??

Slim? ???? ?? PHP? ???? ??? PHP ??? ??? Composer? ???? ???. Composer? ???? Slim? ????? ????? ?? ??? ? ????. ???.json ???? ????? ???? ??? ???? ??? ?? ???? ???? ??? ? ????.

Slim? ????? ????? ?? ??? ?????.

composer require slim/slim:"4.*"

??? ?? ?? ??? Slim? ?????? ?????.

Slim ?????? ???? ???

Slim? ???? ? ??????? ??? ?? ?? ?????. Slim ?????? ??? ???????? ?? ???. ? ??? ??????? ??? ? ?? ??? ???? ? ??? ?? ???? ????? ????? ??? ??? ? ????.

??? ??? ????.

use SlimFactoryAppFactory;

require DIR '/vendor/autoload.php';

$app = AppFactory::create();

$app->get ( '/', function ($request, $response, $args) {

$response->getBody()->write("Hello, World!");
return $response;

});

$app->run();

?? ???? ?? ??? ???? Slim ??????? ????????. ??. ?? ?? $app->get() ???? ?? ?? ? ?? ??? ?????. ? ?? ??? "Hello, World!"?? ???? ??? HTTP ?? ??? ?????. ?????, HTTP ?? ?? ? ??? ??? ? ??? $app->run() ???? ???? ??????? ?????.

Slim? ??? ??? ????

???? Slim? ?? ???? ?? ? ?????. ?? ?? ??? ??? ?? ?? ????? ???? ???? ??? ??? ?? ????? ??? ? ????. ??? ??? HTTP ?? ??, URL ?? ? ???? ??? ? ????.

??? ?? ????.

$app->get('/user/{id}', function ($request, $response, $args) {

// do something with $args['id']
return $response;

});

?? ??? , ??? /user/{id} ??? ?????. ??? {id}? ?? ??? ???????. ? ??? ???? ?? ??? GET???. ?, HTTP GET ??? ???? ???? ??? ? ??? ??? ? ????.

??? ? ??? ???? Slim? ???? ??? ??? ???(?? ????)? ???? ?? ??, ?? ?? ? ???? ?? ????? ????? ???? ?????. ??? ??? ???? ??? ?? ??? ???? ?? ??? ???? ??? ?????? ?? ?? ? ????.

Slim? ?? ? ?? ?? ??

HTTP ??? ??? ? Slim? ?? ??? ?? ??? ???? ??? ??? ??? ???? ?????. ??? ??? ???? ??? ??? ??? ??? ????, ?? ??? ????, HTTP ?? ??? ??? ? ????.

??? HTTP ?? ?? ??? ????:

$app->get('/user/{id}', function ($request, $response, $args) {

// do something with $args['id']

$response->write("User ID: " . $args['id']);
$response = $response->withHeader('Content-Type', 'text/plain');

return $response;

});

at ?? ???? ?? ??? write() ???? ???? ???? ?? ??? ??? ?? withHeader() ???? ???? ??? Content-Type ??? ??????.

Slim? ???? ????

????? ??? ???? ???? ??? ?? ??/?? ??, ??, ?? ?? ???? ????, ??? ??? ?????. Slim?? ??, CSRF ??, ?? ?? ?? ?? ??? ????? ??? ? ????.

??? Slim ???? ?? ????.

use SlimMiddlewareContentLengthMiddleware;

$app = AppFactory::create();

$app->add(new ContentLengthMiddleware());

$app-> ;post('/user', function ($request, $response, $args) {

// do something to create a new user
return $response;

});

?? ???? Slim? ?? ContentLengthMiddleware ????? ???? HTTP ??? Content-Length ??? ??????. ?? POST ??? ???? ? ???? ??? /post ??? ??????.

Slim? ??? ?? ???? ??

??? ??? ??? ? ?? ??? ??? ? ??????? ???? ? ??? ?????. ??? ??? ???? ??????? ???? ??? ???? ?? ??? ???? ?? ???? ??? ? ????.

Slim? ?????? ??? ????? ???? ?? ????? ???? ???? ?????? ????? ??? ? ?? ?? ??? ?? ????? ?????.

以下是使用Slim依賴注入容器的示例：

use SlimApp;
use SlimFactoryAppFactory;
use PsrContainerContainerInterface;

require DIR . '/../vendor/autoload.php';

class UserService {

public function createUser($data) {
    // create a new user object
}

}

class UserController {

protected $userService;

public function __construct(UserService $userService) {
    $this->userService = $userService;
}

public function createUser($request, $response, $args) {
    $data = $request->getParsedBody();
    $user = $this->userService->createUser($data);
    return $response->withJson($user);
}

}

$container = new class implements ContainerInterface {

public function get($id) {
    switch($id) {
        case 'userService':
            return new UserService();
        case 'userController':
            return new UserController($this->get('userService'));
    }
}

};

$app = AppFactory::createFromContainer($container);

$app->post('/user', 'userController:createUser');

$app->run();

在上面的示例中，我們定義了一個(gè)用戶服務(wù)類UserService，以及一個(gè)用戶控制器類UserController，用戶控制器依賴于UserService。我們還定義了一個(gè)容器，根據(jù)需要返回UserService和UserController的實(shí)例。

然后，我們使用createFromContainer()方法實(shí)例化一個(gè)Slim應(yīng)用程序?qū)ο?，并將容器作為?gòu)造函數(shù)參數(shù)傳遞給它。最后，我們將/user路由綁定到UserController的createUser()方法。

結(jié)論

Slim是一個(gè)快速、輕量級(jí)、易于使用的PHP Web框架，它提供了許多內(nèi)置功能、路由系統(tǒng)、請(qǐng)求/響應(yīng)處理、中間件、依賴注入等，讓我們能夠更容易地構(gòu)建Web應(yīng)用程序。希望這篇文章能夠幫助你了解如何使用Slim創(chuàng)建一個(gè)簡(jiǎn)單的Web應(yīng)用程序。

? ??? PHP? Slim? ???? ?? ? ?????? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!