Update Demo

Src/Asp.Net/MySqlTest/Models/OrderItem.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest
+{
+    [SqlSugar.SugarTable("OrderDetail")]
+    public class OrderItem
+    {
+        [SqlSugar.SugarColumn(IsPrimaryKey =true, IsIdentity =true)]
+        public int ItemId { get; set; }
+        public int OrderId { get; set; }
+        public decimal? Price { get; set; }
+        [SqlSugar.SugarColumn(IsNullable = true)]
+        public DateTime? CreateTime { get; set; }
+    }
+}