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 程式師世界 >> 數據庫知識 >> SqlServer數據庫 >> 關於SqlServer >> SQL Server編寫函數獲取漢字的拼音碼

SQL Server編寫函數獲取漢字的拼音碼

編輯:關於SqlServer

       SQL Server編寫函數獲取漢字的拼音碼(首字母)

      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)

      --如果非漢字字符,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'骜' 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'鳆'

      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'箨'

      union all select 'W',N'鹜'

      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

      --調用

      select dbo.fun_getpy('張三')

      --結果:ZS

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