Optimize project catalog

Src/Asp.NetCore2/DmOrmTest/Demo/Demo8_Saveable.cs

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+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public  class Demo8_Saveable
+    {
+        public static void Init()
+        {
+            Console.WriteLine("");
+            Console.WriteLine("#### Saveable Start ####");
+
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
+            {
+                DbType = DbType.Dm,
+                ConnectionString = Config.ConnectionString,
+                InitKeyType = InitKeyType.Attribute,
+                IsAutoCloseConnection = true,
+                AopEvents = new AopEvents
+                {
+                    OnLogExecuting = (sql, p) =>
+                    {
+                        Console.WriteLine(sql);
+                        Console.WriteLine(string.Join(",", p?.Select(it => it.ParameterName + ":" + it.Value)));
+                    }
+                }
+            });
+
+
+            //insert or update
+            db.Saveable<Order>(new Order() { Id=1, Name="jack" }).ExecuteReturnEntity();
+
+
+            //insert or update
+            db.Saveable<Order>(new Order() { Id = 1000, Name = "jack", CreateTime=DateTime.Now })
+                  .InsertColumns(it => new { it.Name,it.CreateTime, it.Price})//if insert  into name,CreateTime,Price
+                  .UpdateColumns(it => new { it.Name, it.CreateTime })//if update set name CreateTime
+                  .ExecuteReturnEntity();
+
+            Console.WriteLine("");
+            Console.WriteLine("#### Saveable End ####");
+        }
+    }
+}