獲取拼音碼 sql函式

create  function [dbo].[f_util_getpinyincode](@str nvarchar(4000))

returns nvarchar(4000)

asbegin

declare @word nchar(1),@py nvarchar(4000)

set @py=''

while len(@str)>0

begin

set @word=left(@str,1)

--如果非漢字字元，返回原字元

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)

endreturn @py

end

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