<?php declare(strict_types=1); namespace App\Middleware; use Hyperf\Context\Context; use Psr\Http\Message\ResponseInterface; use Psr\Http\Message\ServerRequestInterface; use Psr\Http\Server\MiddlewareInterface; use Psr\Http\Server\RequestHandlerInterface; class CorsMiddleware implements MiddlewareInterface { public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface { $response = Context::get(ResponseInterface::class); $response = $response ->withHeader('Access-Control-Allow-Origin', '*') ->withHeader('Access-Control-Allow-Credentials', 'true') // Headers 可以根据实际情况进行改写。 ->withHeader('Access-Control-Allow-Headers', '*'); Context::set(ResponseInterface::class, $response); if ($request->getMethod() == 'OPTIONS') { return $response; } // var_dump($request); return $handler->handle($request); } }