sql存儲進程獲得漢字拼音頭字母函數。本站提示廣大學習愛好者：（sql存儲進程獲得漢字拼音頭字母函數）文章只能為提供參考，不一定能成為您想要的結果。以下是sql存儲進程獲得漢字拼音頭字母函數正文
--函數
CREATE function fn_GetPy(@str nvarchar(4000))
returns nvarchar(4000)
--WITH ENCRYPTION
as
begin
declare @intLenint
declare @strRetnvarchar(4000)
declare @temp nvarchar(100)
set @intLen = len(@str)
set @strRet = ''
while @intLen > 0
begin
set @temp = ''
select @temp = case
when substring(@str,@intLen,1) >= '帀' then 'Z'
when substring(@str,@intLen,1) >= '丫' then 'Y'
when substring(@str,@intLen,1) >= '夕' then 'X'
when substring(@str,@intLen,1) >= '屲' then 'W'
when substring(@str,@intLen,1) >= '他' then 'T'
when substring(@str,@intLen,1) >= '仨' then 'S'
when substring(@str,@intLen,1) >= '呥' then 'R'
when substring(@str,@intLen,1) >= '七' then 'Q'
when substring(@str,@intLen,1) >= '妑' then 'P'
when substring(@str,@intLen,1) >= '噢' then 'O'
when substring(@str,@intLen,1) >= '拏' then 'N'
when substring(@str,@intLen,1) >= '嘸' then 'M'
when substring(@str,@intLen,1) >= '垃' then 'L'
when substring(@str,@intLen,1) >= '咔' then 'K'
when substring(@str,@intLen,1) >= '丌' then 'J'
when substring(@str,@intLen,1) >= '铪' then 'H'
when substring(@str,@intLen,1) >= '旮' then 'G'
when substring(@str,@intLen,1) >= '發' then 'F'
when substring(@str,@intLen,1) >= '妸' then 'E'
when substring(@str,@intLen,1) >= '咑' then 'D'
when substring(@str,@intLen,1) >= '嚓' then 'C'
when substring(@str,@intLen,1) >= '八' then 'B'
when substring(@str,@intLen,1) >= '吖' then 'A'
else rtrim(ltrim(substring(@str,@intLen,1)))
end
--關於漢字特別字符，不生成拼音碼
if (ascii(@temp)>127) set @temp = ''
--關於英文中小括號，不生成拼音碼
if @temp = '(' or @temp = ')' set @temp = ''
select @strRet = @temp + @strRet
set @intLen = @intLen - 1
end
return lower(@strRet)
end
go
--挪用
select dbo.fn_getpy('張三')
--前往：zs
答！： 2:
取漢字拼音首字母的存儲進程
Create function fun_getPY ( @str nvarchar(4000) )
returns nvarchar(4000)
as
begin
declare @word nchar(1),@PY nvarchar(4000)
set @PY=''
while len(@str)>0
begin
set @word=left(@str,1)
--假如非漢字字符，前往原字符
set @PY=@PY+(case when unicode(@word) between 19968 and 19968+20901
then (
select top 1 PY
from
(
select 'A' as PY,N'驁' as word
union all select 'B',N'簿'
union all select 'C',N'錯'
union all select 'D',N'鵽'
union all select 'E',N'樲'
union all select 'F',N'鰒'
union all select 'G',N'腂'
union all select 'H',N'夻'
union all select 'J',N'攈'
union all select 'K',N'穒'
union all select 'L',N'鱳'
union all select 'M',N'旀'
union all select 'N',N'桛'
union all select 'O',N'漚'
union all select 'P',N'曝'
union all select 'Q',N'囕'
union all select 'R',N'鶸'
union all select 'S',N'蜶'
union all select 'T',N'籜'
union all select 'W',N'鶩'
union all select 'X',N'鑂'
union all select 'Y',N'韻'
union all select 'Z',N'咗'
) T
where word>=@word collate Chinese_PRC_CS_AS_KS_WS
order by PY ASC
)
else @word
end)
set @str=right(@str,len(@str)-1)
end
return @PY
end
