简单的生成编号的存储过程

USE [Tr.TWX]
GO

/****** Object: StoredProcedure [dbo].[GetSysCode] Script Date: 2018/2/2 11:08:31 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO
ALTER PROC [dbo].[GetSysCode]
(
@TypeFlag SMALLINT
)
AS
BEGIN TRANSACTION
BEGIN

UPDATE Sys_Code WITH(ROWLOCK) SET Code=Code+1 WHERE TypeFlag=@TypeFlag;
SELECT Code FROM Sys_Code WHERE TypeFlag=@TypeFlag;

END
COMMIT TRANSACTION
GO