sql存储过程获取汉字拼音头字母函数的方法

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复制代码 代码如下:

 --函数 CREATE function fn_GetPy(@str nvarchar(4000)) returns nvarchar(4000) --WITH ENCRYPTION as begin declare @intLenint declare @strRetnvarchar(4000) declare @temp nvarchar(100) set @intLen = len(@str) set @strRet = '' while @intLen > 0 begin set @temp = '' select @temp = case when substring(@str,@intLen,1) >= '帀' then 'Z' when substring(@str,@intLen,1) >= '丫' then 'Y' when substring(@str,@intLen,1) >= '夕' then 'X' when substring(@str,@intLen,1) >= '屲' then 'W' when substring(@str,@intLen,1) >= '他' then 'T' when substring(@str,@intLen,1) >= '仨' then 'S' when substring(@str,@intLen,1) >= '呥' then 'R' when substring(@str,@intLen,1) >= '七' then 'Q' when substring(@str,@intLen,1) >= '妑' then 'P' when substring(@str,@intLen,1) >= '噢' then 'O' when substring(@str,@intLen,1) >= '拏' then 'N' when substring(@str,@intLen,1) >= '嘸' then 'M' when substring(@str,@intLen,1) >= '垃' then 'L' when substring(@str,@intLen,1) >= '咔' then 'K' when substring(@str,@intLen,1) >= '丌' then 'J' when substring(@str,@intLen,1) >= '铪' then 'H' when substring(@str,@intLen,1) >= '旮' then 'G' when substring(@str,@intLen,1) >= '发' then 'F' when substring(@str,@intLen,1) >= '妸' then 'E' when substring(@str,@intLen,1) >= '咑' then 'D' when substring(@str,@intLen,1) >= '嚓' then 'C' when substring(@str,@intLen,1) >= '八' then 'B' when substring(@str,@intLen,1) >= '吖' then 'A' else rtrim(ltrim(substring(@str,@intLen,1))) end --对于汉字特殊字符，不生成拼音码 if (ascii(@temp)>127) set @temp = '' --对于英文中小括号，不生成拼音码 if @temp = '(' or @temp = ')' set @temp = '' select @strRet = @temp + @strRet set @intLen = @intLen - 1 end return lower(@strRet) end go --调用 select dbo.fn_getpy('张三') --返回：zs 答！： 2: 取汉字拼音首字母的存储过程 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 end

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