Biegral Blog

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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