日期:2014-05-17 浏览次数:20488 次
/*
DROP FUNCTION dbo.Split
SELECT dbo.Split
*/
CREATE FUNCTION dbo.Split
(
@SplitString varchar(8000),-- nvarchar(4000)
@Separator varchar(2) = ','
)
RETURNS @SplitStringsTable TABLE
(
[id] int identity(1,1),
[value] varchar(8000)-- nvarchar(4000)
)
AS
BEGIN
DECLARE @CurrentIndex int;
DECLARE @NextIndex int;
DECLARE @ReturnText varchar(8000);-- nvarchar(4000)
SELECT @CurrentIndex=1;
WHILE(@CurrentIndex<=len(@SplitString))
BEGIN
SELECT @NextIndex=charindex(@Separator,@SplitString,@CurrentIndex);
IF(@NextIndex=0 OR @NextIndex IS NULL)
SELECT @NextIndex=len(@SplitString)+1;
SELECT @ReturnText=substring(@SplitString,@CurrentIndex,@NextIndex-@CurrentIndex);
INSERT INTO @SplitStringsTable([value])
VALUES(@ReturnText);
SELECT @CurrentIndex=@NextIndex+1;
END
RETURN;
END
create table #tb(id int ,strcode varchar(100))
insert into #tb
select 1 as ID,'1,2,5,8,9,14, ' as strcode
union all select 2,'1,3,5,6,7,8,9,11 '
union