功能说明：//取得汉字的第一个字母
function GetPYIndexChar( hzchar:string):char;
begin
caseWORD(hzchar[1])shl8+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';
$D1B9..$D4D0 : result:='Y';
$D4D1..$D7F9 : result:='Z';
else
result:=char(0);//hzchar[1]
end;
end;
{$R *.DFM}
procedureTForm1.Button1Click(Sender: TObject);
begin
label2.Visible:=false;
label1.Visible:=true;
edit2.Enabled:=false;
label1.Caption:='您姓名的第'+#13'一个字母是';
edit1.text:=GetPYIndexChar(edit2.text)
end;
procedureTForm1.Button2Click(Sender: TObject);
begin
label2.Visible:=true;
edit2.Enabled:=true;
edit2.setfocus;
edit2.Text:='';
end;