sqlServer 获取汉字字串的拼音声母

复制代码 代码如下:

CREATE function fGetPy(@str varchar(500)='')
returns varchar(500)
as
begin
declare @strlen int,@return varchar(500),@ii int
declare @c nchar(1),@chn nchar(1)
select @strlen=len(@str),@return='',@ii=0
set @ii=0
while @ii<@strlen
begin
select @ii=@ii+1,@chn=substring(@str,@ii,1)
if @chn>='吖'
select @c = char(count(*)+63) from (
select top 27 * from (
select chn = '吖'
union all select '八'
union all select '嚓'
union all select '��'
union all select '��'
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 '�`'
union all select '��'
union all select '噢'
union all select '�r'
union all select '七'
union all select '��'
union all select '仨'
union all select '他'
union all select '��' --no 'u'
union all select '��' --no 'v'
union all select '��'
union all select '夕'
union all select '丫'
union all select '��'
union all select @chn
) as a
order by chn COLLATE Chinese_PRC_CI_AS ) as b
where b.chn <=@chn
else set @c=@chn
set @return=@return+@c
end
return(@return)
end