Delphi将输入汉字自动产生拼音简码

function getPY(hzchar:string):char;
begin
 case word(hzchar[1])shl 8+word(hzchar[2]) of
   $B0a1..$B0c4:result:='A';
   $B0C5..$B2C0:result:='B';
   $B2C1..$B4ED:result:='C';
   $B4EE..$B6E9:result:='D';
   $B6EA..$B7A1:result:='E';
   $B7A2..$B8C0:result:='F';
   $B8C1..$B9FD:result:='G';
   $B9FE..$BBF6:result:='H';
   $BBF7..$BFA5:result:='J';
   $BFA6..$C0AB:result:='K';
   $C0AC..$C2E7:result:='L';
   $C2E8..$C4C2:result:='M';
   $C4C3..$C5B5:result:='N';
   $C5B6..$C5BD:result:='O';
   $C5BE..$C6D9:result:='P';
   $C6DA..$C8BA:result:='Q';
   $C8BB..$C8F5:result:='R';
   $C8F6..$CBF9:result:='S';
   $CBFA..$CDD9:result:='T';
   $CDDA..$CEF3:result:='W';
   $CEF4..$D188:result:='X';
   $D189..$D4D0:result:='Y';
   $D4D1..$D7F9:result:='Z';
   ELSE
     RESULT:=char(32);
 end;
end;


procedure TForm1.Edit1Change(Sender: TObject);
var
 i:integer;
 hz:string;
begin
 edit2.Text:='';
 for i:=1 to length(edit1.text) div 2 do
 begin
   hz:=copy(edit1.Text,i*2-1,2);
   edit2.Text:=edit2.Text+getpy(hz);
 end;
end;