/**
  * 新增专题页面
  * @return \Illuminate\View\View
  */
 public function add()
 {
     $category = ShopTopicCategory::all();
     return view("admin.topic.add", array("category" => $category));
 }
 /**
  *根据选择项显示不同的下拉选择项目
  * @return \Illuminate\Http\JsonResponse
  * @throws DeepInException
  */
 public function getItemIds()
 {
     $type = intval(\Input::get("type"));
     $checkVal = intval(\Input::get("check_val"));
     //对应的类型(1栏目 2专题类别 3slider)
     $data = array();
     $data[1] = function () {
         //栏目
         return ShopColumn::all();
     };
     $data[2] = function () {
         return ShopTopicCategory::all();
     };
     $data[3] = function () {
         return ShopSliderCategory::all();
     };
     if (!isset($data[$type])) {
         throw new DeepInException("错误的type" . $type);
     }
     return $this->successJSON(array("option" => $this->formatToOption($data[$type](), $checkVal)));
 }