--轉老大 if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[f_GetStr]') and xtype in (N'FN', N'IF', N'TF')) drop function [dbo].[f_GetStr] GO --分段截取函数 CREATE FUNCTION dbo.f_GetStr( @s varchar(8000), --包含多个数据项的字符串 @pos int, --要获取的数据项的位置 @split varchar(10) --数据分隔符 )RETURNS varchar(100) AS BEGIN IF @s IS NULL RETURN(NULL) DECLARE @splitlen int SELECT @splitlen=LEN(@split+'a')-2 WHILE @pos>1 AND CHARINDEX(@split,@s+@split)>0 SELECT @pos=@pos-1, @s=STUFF(@s,1,CHARINDEX(@split,@s+@split)+@splitlen,'') RETURN(ISNULL(LEFT(@s,CHARINDEX(@split,@s+@split)-1),'')) END GOselect dbo.f_GetStr('2∮11∮10∮09∮10∮13∮786∮91.93∮69∮100.00 ',7,'∮') /* ---------------------------------------------------------------------------------------------------- 786(1 個資料列受到影響)*/
declare @tb table([ID] int,[STR] varchar(45)) insert @tb select 1,'2∮11∮10∮09∮10∮13∮786∮91.93∮69∮100.00' SELECT [STR] FROM ( SELECT a.id, [STR]=SUBSTRING(a.[STR],number,CHARINDEX('∮',a.[STR]+'∮',number)-b.number),ROW_NUMBER() OVER (ORDER BY GETDATE()) AS RID FROM @tb a JOIN master..spt_values b ON b.type='p' AND CHARINDEX('∮','∮'+a.[STR],number)=number ) A WHERE A.RID=7/* STR --------------------------------------------- 786(1 row(s) affected)
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[f_GetStr]') and xtype in (N'FN', N'IF', N'TF'))
drop function [dbo].[f_GetStr]
GO
--分段截取函数
CREATE FUNCTION dbo.f_GetStr(
@s varchar(8000), --包含多个数据项的字符串
@pos int, --要获取的数据项的位置
@split varchar(10) --数据分隔符
)RETURNS varchar(100)
AS
BEGIN
IF @s IS NULL RETURN(NULL)
DECLARE @splitlen int
SELECT @splitlen=LEN(@split+'a')-2
WHILE @pos>1 AND CHARINDEX(@split,@s+@split)>0
SELECT @pos=@pos-1,
@s=STUFF(@s,1,CHARINDEX(@split,@s+@split)+@splitlen,'')
RETURN(ISNULL(LEFT(@s,CHARINDEX(@split,@s+@split)-1),''))
END
GOselect dbo.f_GetStr('2∮11∮10∮09∮10∮13∮786∮91.93∮69∮100.00 ',7,'∮')
/*
----------------------------------------------------------------------------------------------------
786(1 個資料列受到影響)*/
declare @tb table([ID] int,[STR] varchar(45))
insert @tb
select 1,'2∮11∮10∮09∮10∮13∮786∮91.93∮69∮100.00'
SELECT [STR]
FROM (
SELECT a.id,
[STR]=SUBSTRING(a.[STR],number,CHARINDEX('∮',a.[STR]+'∮',number)-b.number),ROW_NUMBER() OVER (ORDER BY GETDATE()) AS RID
FROM @tb a
JOIN master..spt_values b
ON b.type='p' AND CHARINDEX('∮','∮'+a.[STR],number)=number
) A
WHERE A.RID=7/*
STR
---------------------------------------------
786(1 row(s) affected)