获取日期时间唯一编号 SQLServer存储过程和函数的写法

GO/****** Object:  StoredProcedure [dbo].[e_get_datetimestrguid]    Script Date: 12/27/2012 15:07:38 ******/SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGO-- =============================================-- Author:<hsg>-- Create date: <2012-12-27>-- Description:<获取日期时间唯一编号>-- 调用方式：EXECUTE dbo.e_get_datetimestrguid;-- =============================================ALTER PROCEDURE [dbo].[e_get_datetimestrguid]-- Add the parameters for the stored procedure hereASBEGIN-- SET NOCOUNT ON added to prevent extra result sets from-- interfering with SELECT statements.-- Declare the return variable hereDECLARE @t_dt varchar(30);declare @rd_num float;declare @rd_str varchar(10);-- Add the T-SQL statements to compute the return value hereset @t_dt=convert(varchar,getdate(),21);set @t_dt=replace(@t_dt,'-','');set @t_dt=replace(@t_dt,':','');set @t_dt=replace(@t_dt,'.','');set @t_dt=replace(@t_dt,' ','');-- Return the result of the function--生成一个椭机数select @rd_num=floor(Rand()*99999);set @rd_str=convert(varchar,@rd_num);--合并一个select @t_dt+@rd_str;END

/****** Object:  UserDefinedFunction [dbo].[a_get_datetimestrguid]    Script Date: 12/27/2012 14:33:29 ******/SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGO-- =============================================-- Author:<hsg>-- Create date: <2012-12-27>-- Description:<获取日期时间唯一编号>-- 调用方式：select dbo.a_get_datetimestrguid();-- =============================================ALTER FUNCTION [dbo].[a_get_datetimestrguid]()RETURNS varchar(30)ASBEGIN-- Declare the return variable hereDECLARE @t_dt varchar(30);declare @rd_num float;declare @rd_str varchar(10);-- Add the T-SQL statements to compute the return value hereset @t_dt=convert(varchar,getdate(),21);set @t_dt=replace(@t_dt,'-','');set @t_dt=replace(@t_dt,':','');set @t_dt=replace(@t_dt,'.','');set @t_dt=replace(@t_dt,' ','');-- Return the result of the functionRETURN @t_dt;END