Наследование: extends App\Http\Requests\Request
 /**
  * Store a newly created resource in storage.
  *
  * @param NewsCategoryCreateRequest $request
  * @return Response
  */
 public function store(NewsCategoryCreateRequest $request)
 {
     if ($this->repository->create($request->categoryFillData())) {
         return Redirect::to('admin/news/category');
     } else {
         return Redirect::back()->withInput()->withErrors('保存失败!');
     }
 }