/**
  * 处理新增文章分类
  *
  * @author yangyifan <*****@*****.**>
  */
 public function postAdd(NewsCatRequest $request)
 {
     $affected_number = NewsCatModel::create($request->all());
     return $affected_number->id > 0 ? $this->response(200, trans('response.add_success'), [], true, url('admin/news-cat/index')) : $this->response(400, trans('response.add_error'), [], true, url('admin/news-cat/index'));
 }