symfony3常用记忆

$user = $this->getUser();

// yay! Use this to see if the user is logged in
if (!$this->get(‘security.authorization_checker‘)->isGranted(‘IS_AUTHENTICATED_FULLY‘)) {
    throw $this->createAccessDeniedException();
}
// equivalent shortcut:
// $this->denyAccessUnlessGranted(‘IS_AUTHENTICATED_FULLY‘);

// boo :(. Never check for the User object to see if they‘re logged in
if ($this->getUser()) {

}

$this->redirectToRoute(‘homepage‘);