用一个TClientSocketClientSocket.Address:=你要扫描的主机的IP; for i:=1 to 65535 do begin ClientSocket.Active:=False; ClientSocket.Port:=i; ClientSocket.Socket.Data:=Pointer(i); //待会根据这个判断哪个端口连上了 ClientSocket.Active:=TRUE; end; procedure TForm1.ClientSocketConnect(Sender: TObject; Socket: TCustomWinSocket); begin ShowMessage(IntToStr(Integer(Socket.Data))+'号端口连接成功'); end;
http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=571&lngWId=7
for i:=1 to 65535 do
begin
ClientSocket.Active:=False;
ClientSocket.Port:=i;
ClientSocket.Socket.Data:=Pointer(i); //待会根据这个判断哪个端口连上了
ClientSocket.Active:=TRUE;
end;
procedure TForm1.ClientSocketConnect(Sender: TObject; Socket: TCustomWinSocket);
begin
ShowMessage(IntToStr(Integer(Socket.Data))+'号端口连接成功');
end;