sqlserver×Ö·û´®²ð·Ö(split)·½·¨»ã×Ü

sqlserver×Ö·û´®²ð·Ö(split)·½·¨»ã×Ü
--·½·¨0£º¶¯Ì¬SQL·¨
declare @s varchar(100),@sql varchar(1000)
set @s='1,2,3,4,5,6,7,8,9,10'
set @sql='select col='''+ replace(@s,',',''' union all select ''')+''''
PRINT @sql
exec (@sql)
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[f_splitSTR]')
and xtype in (N'FN', N'IF', N'TF'))
drop function [dbo].[f_splitSTR]
GO
--·½·¨1£ºÑ­»·½ØÈ¡·¨
CREATE FUNCTION f_splitSTR(
@s   varchar(8000),   --´ý·Ö²ðµÄ×Ö·û´®
@split varchar(10)     --Êý¾Ý·Ö¸ô·û
)RETURNS @re TABLE(col varchar(100))
AS
BEGIN
 DECLARE @splitlen int
 SET @splitlen=LEN(@split+'a')-2
 WHILE CHARINDEX(@split,@s)>0
 BEGIN
  INSERT @re VALUES(LEFT(@s,CHARINDEX(@split,@s)-1))
  SET @s=STUFF(@s,1,CHARINDEX(@split,@s)+@splitlen,'')
 END
 INSERT @re VALUES(@s)
 RETURN
END
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[f_splitSTR]')
and xtype in (N'FN', N'IF', N'TF'))
drop function [dbo].[f_splitSTR]
GO
--·½·¨2£ºÊ¹ÓÃÁÙʱÐÔ·Ö²ð¸¨Öú±í·¨
CREATE FUNCTION f_splitSTR(
@s   varchar(8000),  --´ý·Ö²ðµÄ×Ö·û´®
@split varchar(10)     --Êý¾Ý·Ö¸ô·û
)RETURNS @re TABLE(col varchar(100))
AS
BEGIN
 --´´½¨·Ö²ð´¦ÀíµÄ¸¨Öú±í(Óû§¶¨Ò庯ÊýÖÐÖ»ÄܲÙ×÷±í±äÁ¿)
 DECLARE @t TABLE(ID int IDENTITY,b bit)
 INSERT @t(b) SELECT TOP 8000 0 from syscolumns a,syscolumns b
 INSERT @re SELECT SUBSTRING(@s,ID,CHARINDEX(@split,@s+@split,ID)-ID)
 from @t
 WHERE ID<=LEN(@s+'a')
  AND CHARINDEX(@split,@split+@s,ID)=ID
 RETURN
END
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[f_splitSTR]')
and xtype in (N'FN', N'IF', N'TF'))
drop function [dbo].[f_splitSTR]
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[tb_splitSTR]')
and objectproperty(id,N'IsUserTable')=1)
drop table [dbo].[tb_splitSTR]
GO
--·½·¨3£ºÊ¹Ó