中将中文转为拼音首字母的函数及调用方法"/>
SQL Server 中将中文转为拼音首字母的函数及调用方法
SQL Server 中将中文转为拼音首字母的函数及调用方法
原文地址:
1、创建函数
Create FUNCTION dbo.fnpbGetPYFirstLetter
(
@str NVARCHAR(4000)
)
/*
select dbo. fnpbGetPYFirstLetter ('中國香港')
*/
RETURNS NVARCHAR(4000)
--WITH ENCRYPTION
AS
BEGIN
DECLARE @WORD NCHAR(1),@PY NVARCHAR(4000) SET @PY='' WHILE LEN(@STR)>0
BEGIN
SET @WORD=LEFT(@STR,1) --如果非漢字字符﹐返回原字符
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'做'
) 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 ENDGo
2、函数的调用
select dbo.fnpbGetPYFirstLetter(name), name from tablename
name:数据表中要转换为拼音首字母的字段
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SQL Server 中将中文转为拼音首字母的函数及调用方法
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