public function getList($catId)
 {
     $cat = ArticleCat::find($catId);
     //dump(ArticleCat::with('articles')->get());
     $articleCat = ArticleCat::find($catId);
     $articles = Article::whereIn('cat_id', $articleCat->allCatIds())->paginate(10);
     return view('admin.articles.list')->with('articles', $articles);
 }
 /**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function destroy($id)
 {
     //删除所有文章,包括子栏目文章
     //删除所有子栏目
     $cat = ArticleCat::find($id);
     $cat->delete();
     return Redirect::to('admin/article/cats');
 }