添加项目文件。

Epost.BLL/EntityBase.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Epost.BLL
+{
+    public class EntityBase<T> where T : class, new()
+    {
+      
+       
+   
+    }
+}