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SQLServer編寫函數(shù)獲取漢字的拼音碼

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SQL Server編寫函數(shù)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

  SQL Server編寫函數(shù)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'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

  --調(diào)用

  select dbo.fun_getpy('張三')

  --結(jié)果:ZS

,

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