我在Stackexchange上看到了一个例子(请注意访问类属性的特征):traitCheckPermissionTrait{protectedfunctioncheckPermission($object_id){$judge=$this->container->get('acme_judge');$user=$this->container->get('security.context')->getToken()->getUser();if(!$judge->isPermitted($user,$object_id)){throw$this->createAccessDeniedE