创建表

CREATE TABLE CreateSerialNo
(CreateSerialNoId INT PRIMARY KEY IDENTITY(1,1),TableName VARCHAR(60),FixedCharacter   VARCHAR(20),--FixedCharacterLatestDate VARCHAR(8),MaxSerialNo INT ,DataVersion timestamp
)

创建存储过程

-- =============================================
-- Author:    <HK0272>
-- Create date: <2023/03/13>
-- Description:  <自动生成流水号>
-- =============================================
CREATE PROCEDURE [dbo].[GetSerialNo_DoMethod]
@SerialNo nvarchar(100)='' output,
@TableName varchar(100),--表名
@FixedCharacter VARCHAR(20),  --固定字符
@PadLeft INT,    --流水号位数
@ShowDate BIT, --1加年月日(A230313001)  0不加年月日(A001)
@RiseTime datetime --传入年月日
AS
BEGINSET NOCOUNT ON;BEGIN TRYBEGIN TRAN--传入时间为空则自动获取当前时间IF ISNULL(@RiseTime,'')=''BEGINSET @RiseTime=GETDATE()END DECLARE @MaxValue INT,@DataVersion timestamp,@DefaultDateTime VARCHAR(8)IF NOT EXISTS(SELECT 1 FROM CreateSerialNo  WHERE TableName=@TableName AND FixedCharacter=@FixedCharacter)BEGININSERT INTO CreateSerialNo(TableName,FixedCharacter,LatestDate,MaxSerialNo)VALUES (@TableName,@FixedCharacter,CONVERT(VARCHAR(20),@RiseTime,112),1)ENDELSEBEGINSELECT @DataVersion=DataVersion,@DefaultDateTime=LatestDate FROM CreateSerialNo WHERE TableName=@TableName AND FixedCharacter=@FixedCharacter--如果不显示日期，不受日期限制,每次自增+1IF @ShowDate=0BEGINUPDATE CreateSerialNo WITH(ROWLOCK) SET MaxSerialNo=MaxSerialNo+1WHERE TableName=@TableName  AND FixedCharacter=@FixedCharacter AND DataVersion=@DataVersionENDELSEBEGIN--如果在同一天，流水叫已，否则更新日期并重置最大流水号IF @DefaultDateTime=CONVERT(VARCHAR(12),@RiseTime,112)BEGINUPDATE CreateSerialNo WITH(ROWLOCK) SET MaxSerialNo=MaxSerialNo+1WHERE TableName=@TableName  AND FixedCharacter=@FixedCharacter AND DataVersion=@DataVersionENDELSEBEGINUPDATE CreateSerialNo WITH(ROWLOCK) SET LatestDate=CONVERT(VARCHAR(12),@RiseTime,112),MaxSerialNo=1WHERE TableName=@TableName  AND FixedCharacter=@FixedCharacter AND DataVersion=@DataVersionENDENDENDSELECT @SerialNo=FixedCharacter+(CASE @ShowDate WHEN 1 THEN RIGHT(LatestDate,6) ELSE '' END)+(RIGHT(replicate('0',@PadLeft)+CAST(MaxSerialNo AS VARCHAR(10)),@PadLeft))FROM CreateSerialNo WITH(XLOCK,PAGLOCK) WHERE TableName=@TableName  AND FixedCharacter=@FixedCharacterCOMMIT TRANEND TRYBEGIN CATCHROLLBACK TRANEND CATCHreturn 0
END

调用

declare @SerialNo nvarchar(50)=''
declare @InspectDate datetime=getdate()
--获取编号
exec GetSerialNo_DoMethod @SerialNo=@SerialNo output,@TableName='TestTableName',--表名@FixedCharacter='', --固定字符@PadLeft=3,   --流水号位数@ShowDate=1,   --是否包含时间 1：是（A230313001）0:否(A001)@RiseTime=@InspectDate--生成时间，为空默认抓当前时间select @SerialNo