SQLSERVER中的汉字转拼音的实现

作者： shazi
教学过程中的一段代码：
sql 代码

declare @strlen int,@return varchar(500),@ii int
declare @n int,@c char(1),@chn nchar(1),@str varchar(500)
set @str = '我爱伟大的周星驰'
select @strlen=len(@str),@return='',@ii=0
while @ii<@strlen
begin
select @ii=@ii+1,@n=63,@chn=substring(@str,@ii,1)
if @chn>'z'
begin
                 --select @c,char(@n)
select @n = @n +1
,@c = case chn when @chn then char(@n) else @c end
from(
select top 27 * from (
select chn = '吖'
union all select '八'
union all select '嚓'
union all select '咑'
union all select '妸'
union all select '发'
union all select '旮'
union all select '铪'
union all select '丌' --because have no 'i'
union all select '丌'
union all select '咔'
union all select '垃'
union all select '嘸'
union all select '拏'
union all select '噢'
union all select '妑'
union all select '七'
union all select '呥'
union all select '仨'
union all select '他'
union all select '屲' --no 'u'
union all select '屲' --no 'v'
union all select '屲'
union all select '夕'
union all select '丫'
union all select '帀'
union all select @chn) as a
order by chn --COLLATE Chinese_PRC_CI_AS
) as b
                    -- select @chn,@c
end
else set @c='a'
set @return=@return+@c
end
select @return
--SELECT CHAR(64)