獲取拼音碼的存儲過程，首拼

CREATE FUNCTION f_GetPY(@str nvarchar(4000))
RETURNS nvarchar(4000)
AS
BEGIN
DECLARE @py TABLE(
ch char(1),
hz1 nchar(1) COLLATE Chinese_PRC_CS_AS_KS_WS,
hz2 nchar(1) COLLATE Chinese_PRC_CS_AS_KS_WS)
INSERT @py SELECT 'A',N'吖',N'鏊'
UNION  ALL SELECT 'B',N'八',N'簿'
UNION  ALL SELECT 'C',N'嚓',N'錯'
UNION  ALL SELECT 'D',N'噠',N'跺'
UNION  ALL SELECT 'E',N'屙',N'貳'
UNION  ALL SELECT 'F',N'發',N'馥'
UNION  ALL SELECT 'G',N'旮',N'過'
UNION  ALL SELECT 'H',N'鉿',N'蠖'
UNION  ALL SELECT 'J',N'丌',N'竣'
UNION  ALL SELECT 'K',N'咔',N'廓'
UNION  ALL SELECT 'L',N'垃',N'雒'
UNION  ALL SELECT 'M',N'媽',N'穆'
UNION  ALL SELECT 'N',N'拿',N'糯'
UNION  ALL SELECT 'O',N'噢',N'漚'
UNION  ALL SELECT 'P',N'趴',N'曝'
UNION  ALL SELECT 'Q',N'七',N'羣'
UNION  ALL SELECT 'R',N'蚺',N'箬'
UNION  ALL SELECT 'S',N'仨',N'鎖'
UNION  ALL SELECT 'T',N'他',N'籜'
UNION  ALL SELECT 'W',N'哇',N'鋈'
UNION  ALL SELECT 'X',N'夕',N'蕈'
UNION  ALL SELECT 'Y',N'丫',N'蘊'
UNION  ALL SELECT 'Z',N'匝',N'做'
DECLARE @i int
SET @i=PATINDEX('%[吖-做]%' COLLATE Chinese_PRC_CS_AS_KS_WS,@str)
WHILE @i>0
SELECT @str=REPLACE(@str,SUBSTRING(@str,@i,1),ch)
,@i=PATINDEX('%[吖-做]%' COLLATE Chinese_PRC_CS_AS_KS_WS,@str)
FROM @py
WHERE SUBSTRING(@str,@i,1) BETWEEN hz1 AND hz2
RETURN(@str)
END