Symfony 註冊後如何自動登入使用者？

在Symfony 中註冊後自動進行用戶身份驗證

建立帳戶後，最好自動登入用戶，而不是要求他們提供自己的資料再次憑證。以下是如何在 Symfony 中實現此目的：

Symfony 4.0

use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use YourNamespace\UserBundle\Entity\User;

class LoginController extends AbstractController
{
    public function registerAction()
    {
        $user = //Handle getting or creating the user entity likely with a posted form
        $token = new UsernamePasswordToken($user, null, 'main', $user->getRoles());
        $this->container->get('security.token_storage')->setToken($token);
        $this->container->get('session')->set('_security_main', serialize($token));
        //The user is now logged in, you can redirect or do whatever.
    }
}

Symfony 2.6.x - Symfony>

Symfony 2.6.x - Symfony 3.0.x

use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use YourNamespace\UserBundle\Entity\User;

class LoginController extends Controller
{
    public function registerAction()
    {
        $user = //Handle getting or creating the user entity likely with a posted form
        $token = new UsernamePasswordToken($user, null, 'main', $user->getRoles());
        $this->get('security.token_storage')->setToken($token);
        $this->get('session')->set('_security_main', serialize($token));
    }
}

Symfony 2.3.x

use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use YourNamespace\UserBundle\Entity\User;

class LoginController extends Controller
{
    public function registerAction()
    {
        $user = //Handle getting or creating the user entity likely with a posted form
        $token = new UsernamePasswordToken($user, null, 'main', $user->getRoles());
        $this->get('security.context')->setToken($token);
        $this->get('session')->set('_security_main', serialize($token));
        //Now you can redirect where ever you need and the user will be logged in
    }
}

您需要根據專案的具體配置修改此程式碼。透過實施這些步驟，您可以確保使用者在完成註冊程序後自動進行身份驗證。

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