SQL 取字符串列表

declare @s varchar(100)

set @s=N'D3中国gi'

SELECT datalength(CH),LEN(CH),CH,长度
FROM (
select substring(@s,number,1) as ch,LEN(substring(@s,number,1))as '长度'

from master..spt_values

where type='p' and number between 1 and len(@s)
) A