Symfony数组

framework:
    secret: 'your_secret_key'
    router:
        resource: '%kernel.project_dir%/config/routes/annotations.yaml'
        strict_requirements: ~

namespace App\Controller;

use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

class DefaultController
{
    /**
     * @Route("/", name="home")
     */
    public function index()
    {
        $data = [
            'message' => 'Hello, Symfony!',
            'users' => [
                ['name' => 'Alice', 'age' => 30],
                ['name' => 'Bob', 'age' => 25],
            ],
        ];

        return new Response(json_encode($data));
    }
}

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class User
{
    /**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type="integer")
     */
    private $id;

    /**
     * @ORM\Column(type="string")
     */
    private $name;

    /**
     * @ORM\Column(type="integer")
     */
    private $age;

    public function __construct()
    {
        $this->roles = [];
    }

    public function getRoles()
    {
        return $this->roles;
    }

    public function setRoles(array $roles)
    {
        $this->roles = $roles;
    }
}

namespace App\Controller;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
import Symfony\Component\Form\Extension\Core\Type\SubmitType;
import Symfony\Component\Form\Extension\Core\Type\FormType;

class DefaultController
{
    /**
     * @Route("/form", name="form")
     */
    public function form(Request $request)
    {
        $form = $this->createFormBuilder()
            ->add('name', TextType::class)
            ->add('interests', ChoiceType::class, [
                'choices' => [
                    'Sports' => 'sports',
                    'Music' => 'music',
                    'Travel' => 'travel',
                ],
                'multiple' => true,
                'expanded' => true,
            ])
            ->add('submit', SubmitType::class, ['label' => 'Submit'])
            ->getForm();

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $data = $form->getData();
            // 处理表单数据
        }

        return $this->render('form.html.twig', ['form' => $form->createView()]);
    }
}

namespace App\Service;

use Symfony\Component\DependencyInjection\ContainerInterface;

class MyService
{
    private $config;

    public function __construct(ContainerInterface $container)
    {
        $this->config = $container->getParameter('my_service.config');
    }

    public function getConfig()
    {
        return $this->config;
    }
}