/**
  * Update the specified resource in storage.
  *
  * @param  Request  $request
  * @param  int  $id
  * @return Response
  */
 public function update(SortRequest $request, $id)
 {
     $postData = $request->all();
     //获取请求过来的数据
     $this->sort->update($id, $postData);
     //使用仓库方法存储
     return redirect()->route('admin.sort.index')->with('message', '修改成功!');
 }
 /**
  * return sorted collaborator list
  *
  * @param SortRequest $request
  * @param Collaborator $collaborator
  * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
  */
 public function sort(SortRequest $request, Collaborator $collaborator)
 {
     $model = $collaborator->sort($request->get('column'), $request->get('type'))->get();
     return view('collaborator.blocks.filter', ['model' => $model]);
 }