不对,我的不行:(刚才的,现在可以)
procedure TForm1.Button1Click(Sender: TObject);
var
i:integer;
begin
for i:=1 to 10 do//递增
begin
if (i mod 2=0) then //步长为2
begin
//do what you want
showmessage(inttostr(i));
end;
end;
for i:=2 downto 1 do //递减
begin
if (i mod 3=0) then //步长为3
begin
//do what you want
showmessage(inttostr(i));
end;
end;
end;