public function categoryAdd(Request $request) { $name = $request->input('name', ''); $category_no = $request->input('category_no', ''); $parent_id = $request->input('parent_id', ''); $preview = $request->input('preview', ''); $category = new Category(); $category->name = $name; $category->category_no = $category_no; $category->preview = $preview; if ($parent_id != '') { $category->parent_id = $parent_id; } $category->save(); $m3_result = new M3Result(); $m3_result->status = 0; $m3_result->message = '添加成功'; return $m3_result->toJson(); }