public function viewAction($id)
 {
     if (!isset($id)) {
         parent::redirect('common/error', "This action need parameter \$id");
     }
     $views = [['name' => '查看角色信息', "template" => "kxadminrole/detail"]];
     $item = KxAdminRole::getItemById($id);
     $data = array('itemViewMode' => 'view', 'i' => $item);
     parent::showTabViews($views, '查看角色信息', $data);
 }