admin_consumer/hyperf-smarty-demo/app/Controller/IndexController.php

<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://hyperf.wiki
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
 */

namespace App\Controller;
use Hyperf\HttpServer\Annotation\GetMapping;
use Hyperf\View\RenderInterface;
use App\Controller\AbstractController;
//#[Controller]
class IndexController extends AbstractController
{
//    #[GetMapping(path: "/")]
    public function index(RenderInterface $render)
    {
        return $render->render('index.tpl', [ // 明确指定.tpl扩展名
            'title' => 'Hello Hyperf111111111'
        ]);
    }
}