杯具程序员
为系统而生,为框架而死,为debug奋斗一辈子;
     吃符号的亏,上大小写的当,最后死在需求上。


CREATE function [dbo].[uf_GetPY](@str nvarchar(4000))
returns nvarchar(4000)
as
begin
    set @str=RTRIM(@str)
    declare @word nchar(1),@PY nvarchar(4000)
    set @PY=''
    while len(@str)>0
    begin
        --处理常用多音字
        if len(@str)>=2
        begin
   if left(@str,2)='重庆'
   begin
      set @PY=@PY+'CQ'
      if LEN(@str)>2 
      set @str=right(@str,len(@str)-2)
      else
      set @str=''
   end
   if left(@str,2)='西藏'
   begin
      set @PY=@PY+'XZ'
      if LEN(@str)>2 
      set @str=right(@str,len(@str)-2)
      else
      set @str=''
   end
   if left(@str,2)='藏族'
   begin
      set @PY=@PY+'ZZ'
      if LEN(@str)>2 
      set @str=right(@str,len(@str)-2)
      else
      set @str=''
   end
        end       
        --汉字返回拼音首字母       
        if LEN(@str)>0
        begin
        set @word=left(@str,1)
        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 --非汉字字符,返回原字符
                              @word
                      end)
        set @str=right(@str,len(@str)-1)
        end
    end
    return @PY
end
GO


 

posted on 2011-08-02 10:39  杯具程序员  阅读(1723)  评论(0编辑  收藏  举报