SQL 自动生成拼音代码函数
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[f_ch2py]') and xtype in (N'FN', N'IF', N'TF'))
drop function [dbo].[f_ch2py]
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
--创建取拼音函数 -需调用的基础函数1
CREATE function f_ch2py(@chn nchar(1))
returns char(1)
as
begin
declare @n int
declare @c char(1)
set @n = 63
select @n = @n +1,
@c = case chn when @chn then char(@n) else @c end
from(
select top 27 * from (
select chn =
'吖' union all select
'八' union all select
'嚓' union all select
'咑' union all select
'妸' union all select
'发' union all select
'旮' union all select
'铪' union all select
'丌' union all select --because have no 'i'
'丌' union all select
'咔' union all select
'垃' union all select
'嘸' union all select
'拏' union all select
'噢' union all select
'妑' union all select
'七' union all select
'呥' union all select
'仨' union all select
'他' union all select
'屲' union all select --no 'u'
'屲' union all select --no 'v'
'屲' union all select
'夕' union all select
'丫' union all select
'帀' union all select @chn) as a
order by chn COLLATE Chinese_PRC_CI_AS
) as b
return(@c)
end
--使用方法
/*
select dbo.f_ch2py('中') --Z
select dbo.f_ch2py('国') --G
select dbo.f_ch2py('人') --R
select dbo.f_ch2py('镆') --M
*/
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
------------------------------------------------------
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[F_GetHelpCode]') and xtype in (N'FN', N'IF', N'TF'))
drop function [dbo].[F_GetHelpCode]
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
--创建取拼音函数 -需调用的基础函数2
CREATE FUNCTION F_GetHelpCode (
@cName VARCHAR(20) )
RETURNS VARCHAR(12)
AS
BEGIN
DECLARE @i SMALLINT, @L SMALLINT , @cHelpCode VARCHAR(12), @e VARCHAR(12), @iAscii SMALLINT
SELECT @i=1, @L=0 , @cHelpCode=''
while @L<=12 AND @i<=LEN(@cName) BEGIN
SELECT @e=LOWER(SUBSTRING(@cname,@i,1))
SELECT @iAscii=ASCII(@e)
IF @iAscii>=48 AND @iAscii <=57 OR @iAscii>=97 AND @iAscii <=122 or @iAscii=95
SELECT @cHelpCode=@cHelpCode +@e
ELSE
IF @iAscii>=176 AND @iAscii <=247
SELECT @cHelpCode=@cHelpCode + dbo.f_ch2py(@e)
ELSE SELECT @L=@L-1
SELECT @i=@i+1, @L=@L+1 END
RETURN @cHelpCode
END
--使用方法
/*
SELECT dbo.F_GetHelpCode('大力') IF EXISTS
(SELECT *
FROM dbo.sysobjects
WHERE id = object_id(N'[dbo].[fGetPy]') AND xtype IN (N'FN', N'IF', N'TF'))
DROP FUNCTION [dbo].[fGetPy]
*/
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
------------------------------------------------------
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[fGetPy]') and xtype in (N'FN', N'IF', N'TF'))
drop function [dbo].[fGetPy]
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
--创建取拼音函数
CREATE function fGetPy(@Str varchar(500)='')
returns varchar(500)
as
begin
declare @strlen int,@return varchar(500),@ii int
declare @n int,@c char(1),@chn nchar(1)
select @strlen=len(@str),@return='',@ii=0
set @ii=0
while @ii<@strlen
begin
select @ii=@ii+1,@n=63,@chn=substring(@str,@ii,1)
if @chn>'z'
select @n = @n +1
,@c = case chn when @chn then char(@n) else @c end
from(
select top 27 * from (
select chn = '吖'
union all select '八'
union all select '嚓'
union all select '咑'
union all select '妸'
union all select '发'
union all select '旮'
union all select '铪'
union all select '丌' --because have no 'i'
union all select '丌'
union all select '咔'
union all select '垃'
union all select '嘸'
union all select '拏'
union all select '噢'
union all select '妑'
union all select '七'
union all select '呥'
union all select '仨'
union all select '他'
union all select '屲' --no 'u'
union all select '屲' --no 'v'
union all select '屲'
union all select '夕'
union all select '丫'
union all select '帀'
union all select @chn) as a
order by chn COLLATE Chinese_PRC_CI_AS
) as b
else set @c=@chn
set @return=@return+@c
end
return(@return)
end
--使用方法
/*
--测试
select dbo.fgetpy('东莞市') as 东莞市,dbo.fgetpy('ab中c国人') as ab中c国人
*/
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
