/**
  * 添加文章
  *
  * @param Request $request
  * @author yangyifan <*****@*****.**>
  */
 public function postAdd(SearchRequest $request)
 {
     //写入数据
     $affected_number = SearchModel::create($request->all());
     return $affected_number->id > 0 ? $this->response(200, trans('response.add_success'), [], true, url('admin/search/index')) : $this->response(400, trans('response.add_error'), [], false);
 }