lanzu_api_2021-12-26/app/Controller/v3/CategoryController.php

<?php

namespace App\Controller\v3;

use App\Controller\BaseController;
use App\Service\v3\Interfaces\CategoryServiceInterface;
use Hyperf\Di\Annotation\Inject;

class CategoryController extends BaseController
{
    /**
     * @Inject
     * @var CategoryServiceInterface
     */
    protected $categoryService;

    public function all()
    {
        return $this->success($this->categoryService->all());
    }
}