代码如下：

复制代码 代码如下:

USE [tempdb]

GO

/****** Object: UserDefinedFunction [dbo].[fun_getPY] Script Date: 05/23/2012 18:03:45 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

/*

获取汉字的首拼音

如果是非汉字字符

*/

ALTER function [dbo].[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 upper(@PY)

end

调用如下：

复制代码 代码如下:

select dbo.[fun_getPY]('中国人') 首拼

结果：

ZGR