sql server 字符串根据指定分隔符进行分组

 SET QUOTED_IDENTIFIER ON
 SET ANSI_NULLS ON
 GO
 --功能：分拆字符串
 --参数：@String:要分拆的字符串；@Delimiter:分割符号
 --返回值：@ValueTable结果表
 create FUNCTION dbo.fn_Split(
 @String nvarchar (4000),
 @Delimiter nvarchar (10)
 )
 RETURNS @ValueTable TABLE ([Value] NVARCHAR(4000),[id] int)
 BEGIN
 DECLARE @NextString nvarchar(4000),
 @Pos int,
 @NextPos int,
 @CommaCheck nvarchar(1),
 @id int

 set @id=1 

 SET @NextString = ''
 SET @CommaCheck = right(@String,1) 

 SET @String = @String + @Delimiter 

 SET @Pos = CHARINDEX(@Delimiter,@String)
 SET @NextPos = 1 

 WHILE (@pos <> 0)
 BEGIN
 SET @NextString = SUBSTRING(@String,1,@Pos - 1) 

 INSERT INTO @ValueTable ( [Value],[id]) VALUES (@NextString,@id) 

 SET @String = SUBSTRING(@String,@pos +1,LEN(@String)) 

 SET @NextPos = @Pos
 SET @pos = CHARINDEX(@Delimiter,@String)

 set @id = @id +1
 END 

 RETURN
 END

 GO