用sql转换汉字为拼音

　　create function fun_getPY(@str nvarchar(4000))returns nvarchar(4000)asbegindeclare @word nchar(1),@PY nvarchar(4000)set @PY=''

　　while len(@str)>0beginset @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+20901then (select top 1 PY from (select 'A' as PY,N'驁' as wordunion 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'

　　) Twhere word>=@word collate Chinese_PRC_CS_AS_KS_WSorder by PY ASC) else @word end)set @str=right(@str,len(@str)-1)endreturn @PYend