mssql表值函数

CREATE FUNCTION [dbo].[StrSplit] (@str nvarchar(max)	-- 字符串
,@spliter nvarchar(10))	-- 分隔符
returns @tb table(str2table nvarchar(256))
AS
BEGIN
DECLARE @Num int,@Pos int, @NextPos int
SET @Num = 0
SET @Pos = 1
WHILE(@Pos <= LEN(@str))
BEGIN
SELECT @NextPos = CHARINDEX(@spliter, @str, @Pos)
IF (@NextPos = 0 OR @NextPos IS NULL)
SELECT @NextPos = LEN(@str) + 1
INSERT INTO @tb VALUES(RTRIM(LTRIM(SUBSTRING(@str, @Pos, @NextPos - @Pos))))
SELECT @Pos = @NextPos+1
END
RETURN
END