public function menu()
 {
     if (Session::get('logininfo')->level == 3) {
         return view('admin.error');
     }
     $data = menu::orderBy('id', 'desc')->get();
     $page = page::select('name', 'url')->orderBy('id', 'desc')->get();
     return View::make("admin.website.menu", array('datap' => $page, 'data' => $data));
 }
 public static function getMenu()
 {
     $menu = new menu();
     return $menu->orderBy('root', 'asc')->get();
 }