下面是一个Controller，用于从用户创建新令牌。
更多信息请查看此文档https://github.com/lexik/LexikJWTAuthenticationBundle/blob/2.x/Resources/doc/7-manual-token-creation.rst#creating-jwt-tokens-programmatically

<?php

namespace App\Controller\User;

use Lexik\Bundle\JWTAuthenticationBundle\Services\JWTTokenManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Bundle\SecurityBundle\Security;
use Symfony\Component\HttpFoundation\JsonResponse;

class ResetTokenController extends AbstractController
{
    public function __invoke(Security $security, JWTTokenManagerInterface $JWTTokenManager): JsonResponse
    {
        $user = $security->getUser();
        $token = $JWTTokenManager->create($user);
        return new JsonResponse(['token' => $token]);
    }
}