mvvm模式升级从 packages.config 迁移到 PackageReference

SQLModels/STUFF_Product.cs

@@ -1,14 +1,10 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace formula_manage.SQLModels
 {
-  //  internal class STUFF_Product
+    //  internal class STUFF_Product
     //{
-   // }
+    // }
 
     public partial class Product
     {