public function toProductInfo(Request $request)
 {
     $id = $request->input('id', '');
     $product = Product::find($id);
     $product->category = Category::find($product->category_id);
     $pdt_content = PdtContent::where('product_id', $id)->first();
     $pdt_images = PdtImages::where('product_id', $id)->get();
     return view('admin.product_info')->with('product', $product)->with('pdt_content', $pdt_content)->with('pdt_images', $pdt_images);
 }
 public function categoryEdit(Request $request)
 {
     $id = $request->input('id', '');
     $category = Category::find($id);
     $name = $request->input('name', '');
     $category_no = $request->input('category_no', '');
     $parent_id = $request->input('parent_id', '');
     $preview = $request->input('preview', '');
     $category->name = $name;
     $category->category_no = $category_no;
     if ($parent_id != '') {
         $category->parent_id = $parent_id;
     }
     $category->preview = $preview;
     $category->save();
     $m3_result = new M3Result();
     $m3_result->status = 0;
     $m3_result->message = '添加成功';
     return $m3_result->toJson();
 }