取汉字拼音首字母

/***---取汉字拼音首字母*/IF EXISTS ( SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[fun_getPY]') AND type IN ( N'P', N'PC' ) ) BEGIN DROP FUNCTION fun_getPY ENDGO 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)--如果非汉字字符，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'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 ENDgo----取出字符中的数字IF OBJECT_ID('DBO.GET_NUMBER2') IS NOT NULL DROP FUNCTION DBO.GET_NUMBER2GOCREATE FUNCTION DBO.GET_NUMBER2 ( @S VARCHAR(100) )RETURNS VARCHAR(100)AS BEGIN WHILE PATINDEX('%[^0-9]%', @S) > 0 BEGIN SET @s = STUFF(@s, PATINDEX('%[^0-9]%', @s), 1, '') END RETURN @S ENDGO