sqlserver 中分隔字符串（split）函数

ALTER FUNCTION [dbo].[fun_splitIds]
( 
    @str varchar ( max ) , 
    @split varchar ( 10 ) 
) 
/*
2010-8-23 : by jrt
调用示例：
    SELECT * FROM [fun_splitIds]('ab##呵呵##234##课课练考虑','##')
*/
RETURNS @t TABLE ( v varchar(max) ) 
AS 
BEGIN 
    DECLARE @XmlIDs XML

    SET @xmlIDs =    '<IDs>
                        <ID>' + REPLACE(@str,  @split , '</ID><ID>') + '</ID>' +
                    '</IDs>'
    INSERT INTO @t 
    SELECT x.v.value('.','varchar(max)')
                FROM @xmlIDs.nodes('/IDs/ID') x(v)

    RETURN 
END