create function f_GetPy(@Str nvarchar(400)) returns nvarchar(4000) as begin declare @strlen int,@re nvarchar(4000) declare @t table(chr nchar(1) collate Chinese_PRC_CI_AS,letter nchar(1)) insert @t select '吖','A' union all select '八','B' union all select '嚓','C' union all select '咑','D' union all select '妸','E' union all select '發','F' union all select '旮','G' union all select '鉿','H' union all select '丌','J' union all select '咔','K' union all select '垃','L' union all select '嘸','M' union all select '拏','N' union all select '噢','O' union all select '妑','P' union all select '七','Q' union all select '呥','R' union all select '仨','S' union all select '他','T' union all select '屲','W' union all select '夕','X' union all select '丫','Y' union all select '帀','Z' select @strlen=len(@str),@re='' while @strlen>0 begin select top 1 @re=letter+@re,@strlen=@strlen-1 from @t a where chr<=substring(@str,@strlen,1) order by chr desc if @@rowcount=0 select @re=substring(@str,@strlen,1)+@re,@strlen=@strlen-1 end return(@re) end go --調用 select dbo.f_GetPy(N'中國人') result /* result ----------- ZGR */
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