symfony 学习 2 数据库操作 CRUD

来源：互联网发布：绝地求生渣显卡优化编辑：程序博客网时间：2024/06/05 19:33
<?phpnamespace AppBundle\Controller;// use Symfony\Bundle\FrameworkBundle\Controller\Controller;use AppBundle\CommonController;use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;use Symfony\Component\HttpFoundation\Request;use Symfony\Component\HttpFoundation\RedirectResponse;use AppBundle\Entity\Roles;/** * @Route("/roles") */class RolesController extends CommonController{    /**     * @Route("/index",name="roles_index")     */    public function indexAction(Request $request)    {        // $repository = $this->getDoctrine()        // ->getRepository('AppBundle:Roles');        // //查询所有产品        // $roles=$repository->findAll();        // return $this->render('AppBundle:Roles:index.html.twig', array(        //     // ...        //     'roles'=>$roles        // ));        //         $em = $this->getDoctrine()->getManager();         $qb = $em->getRepository('AppBundle:Roles')->createQueryBuilder('n');             $paginator = $this->get('knp_paginator');        $pagination = $paginator->paginate($qb, $request->query->getInt('page', 1),3);             return $this->render('AppBundle:Roles:index.html.twig', [            'pagination' => $pagination,        ]);    }    /**     * @Route("/edit")     */    public function editAction()    {        return $this->render('AppBundle:Roles:edit.html.twig', array(            // ...        ));    }    /**     * @Route("/update")     */    public function updateAction()    {        return $this->render('AppBundle:Roles:update.html.twig', array(            // ...        ));    }    /**     * @Route("/create")     */    public function createAction()    {        return $this->render('AppBundle:Roles:store.html.twig', array(            // ...        ));    }    /**     * @Route("/store")     */    public function storeAction(Request $request)    {        $title = $request->request->get('name');        $roles = new Roles();        $roles->setName($title);        $em = $this->getDoctrine()->getEntityManager();        $em->persist($roles);        $em->flush();        return $this->redirect($this->generateUrl('roles_index'), 301);    }    /**     * @Route("/delete")     */    public function deleteAction()    {        return $this->render('AppBundle:Roles:delete.html.twig', array(            // ...        ));    }}
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