将Feature/XP.Common和Feature/XP.Hardware分支合并至Develop/XP.forHardwareAndCommon，完善XPapp注册和相关硬件类库通用类库功能。

XP.Common/Database/Interfaces/IDbTransaction.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace XP.Common.Database.Interfaces
+{
+    /// <summary>
+    /// 数据库事务接口
+    /// </summary>
+    public interface IDbTransaction : IDisposable
+    {
+        /// <summary>
+        /// 提交事务
+        /// </summary>
+        IDbExecuteResult Commit();
+
+        /// <summary>
+        /// 回滚事务
+        /// </summary>
+        IDbExecuteResult Rollback();
+    }
+}