设置Slim框架

Question

我遵循以下教程：http://www.slimframework.com/docs/tutorial/first-app.html

它告诉我将以下代码添加到我的index.php文件中：

<?php
use \Psr\Http\Message\ServerRequestInterface as Request;
use \Psr\Http\Message\ResponseInterface as Response;

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

$app = new \Slim\App;
$app->get('/hello/{name}', function (Request $request, Response $response) {
    $name = $request->getAttribute('name');
    $response->getBody()->write("Hello, $name");

    return $response;
});
$app->run();

但是，当我使用Postman对运行上述php程序的服务器进行API调用时，我收到以下响应：