/**
  * @param \Notadd\Page\Requests\PageCreateRequest $request
  * @return \Illuminate\Http\RedirectResponse
  */
 public function store(PageCreateRequest $request)
 {
     if ($request->input('parent_id')) {
         if (!Page::whereId($request->input('parent_id'))->count()) {
             return $this->app->make('redirect')->back()->withInput()->withErrors('父页面不存在,创建子页面失败!');
         }
     }
     Page::create($request->all());
     return $this->redirect->back();
 }