Slim ??????? ????? ???? CORS(?? ?? ??? ??)? ???? ??

?? ??? ??? ??(CORS)? ??? HTTP ?? ??? ? ?? ?? ??? ???? ????? ??? ? ??? ?????. ?????? ???? ??? ?? ??????? CORS ????? ???? ??? ?????? ?? ?????? ??? ? ??? ??? ? ????.

Slim ?????? ???? REST API? ??? ? ????? ???? ??? ? ??? ????? CORS ?? HTTP ?? ??? ??? ? ????. ??? Slim ??????? ????? ???? CORS? ???? ??? ???? ????.

?? CORS ?? HTTP ?? ??? ???? ?? ??? ?? ???? ???? ???? ???. ?? ???? CorsMiddleware?? ??? ????.

<?php

namespace AppMiddleware;

use PsrHttpMessageRequestInterface;
use PsrHttpMessageResponseInterface;
use PsrHttpServerMiddlewareInterface;
use PsrHttpServerRequestHandlerInterface;

class CorsMiddleware implements MiddlewareInterface
{
    public function process(RequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $response = $handler->handle($request);

        return $response
            ->withHeader('Access-Control-Allow-Origin', '*')
            ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS')
            ->withHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');
    }
}

? ??? CorsMiddleware ???? ???? MiddlewareInterface ?????? ?????. ???? ?????? $handler? ?? ???? ???? ??? ?? ??? ?? ? ?? ??? withHeader ???? ???? ?? CORS ?? ??? ?????.

Slim ??????? ? ????? ???? ?? ?????. ?????? ??? ????? ????? ?? ???. ??????? index.php ??? ?? ??? ?????.

<?php

use AppMiddlewareCorsMiddleware;
use SlimFactoryAppFactory;

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

$app = AppFactory::create();

// 注冊CorsMiddleware中間件
$app->add(new CorsMiddleware());

// 添加路由和處理邏輯
$app->get('/', function ($request, $response, $args) {
    $response->getBody()->write("Hello, world!");
    return $response->withHeader('Content-Type', 'text/plain');
});

$app->run();

? ????? $app->add ???? ?? CorsMiddleware ????? ??????? ?????. ??? ???? ? ??? ? ????? ?? ???? ?? CORS ?? ??? ?????.

?? Slim ??????? ???? ??? ? ??? ?? CORS? ????? ???? ? ????. ????? ??? ??? ?? HTTP ?? ??? ???? OPTIONS ??? ??????? ?? ??? ?? ? ????. ?? ?? ???? ???? HTTP ?? ??? Access-Control-Allow-Origin, Access-Control-Allow-Methods ? Access-Control-Allow-Headers ??? ???? CORS ??? ???? ?? ? ? ????. ??? ??.

?? ?? ?? Slim ??????? ????? ???? CORS ??? ? ??? ??? ???? ??? ?????. ? ??? ?? ???? ???? ?? ?????? ??? ?? ???? ??? ??? ? ????. ?????? ???? ???? ?? ???? ? ??? ?? ???? ????? ?? ??? ?? ??? ???? ? ??? ? ? ????.

? ??? ????? ???? Slim ??????? CORS(?? ??? ??? ??)? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!