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set ANSI_NULLS ON set QUOTED_IDENTIFIER ON go create FUNCTION [dbo].[Levon] ( @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 END