一、主控程序(Client端):
ClientSocket1的Port設爲:2058。當然,可以改變,但要求主控程序和被控程序的Port值一致。界面如下:
源程序如下:
unit main;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, ExtCtrls, ScktComp;
type
TMainForm = class(TForm)
Panel1: TPanel;
Panel2: TPanel;
Panel3: TPanel;
Memo1: TMemo;
Edit1: TEdit;
Button1: TButton;
Button2: TButton;
ClientSocket1: TClientSocket;
Edit2: TEdit;
procedure ClientSocket1Read(Sender: TObject; Socket: TCustomWinSocket);
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure Edit1KeyPress(Sender: TObject; var Key: Char);
private
procedure Send_Message;//發送信息
{ Private declarations }
public
{ Public declarations }
end;
var
MainForm: TMainForm;
implementation
{$R *.DFM}
procedure TMainForm.Send_Message;
begin
ClientSocket1.Socket.SendText(Edit1.Text);//發送信息
Edit1.text:='';
end;
procedure TMainForm.ClientSocket1Read(Sender: TObject;
Socket: TCustomWinSocket);
var
s:string;
begin
s:=ClientSocket1.Socket.ReceiveText;//接收信息
Memo1.Lines.Add('服務器端返回的信息爲:'+s);
end;
procedure TMainForm.Button2Click(Sender: TObject);
begin
if Button2.Caption='登錄' then
begin
Button2.Caption:='斷開';
ClientSocket1.Address:=Edit2.Text;
ClientSocket1.Active:=False;
ClientSocket1.Active:=True;
Button1.Enabled:=True;
Edit1.Enabled:=True;
end else
begin
Button2.Caption:='登錄';
ClientSocket1.Active:=False;
Button1.Enabled:=False;
Edit1.Enabled:=False;
end;
end;
procedure TMainForm.Button1Click(Sender: TObject);
begin
Send_Message;
end;
procedure TMainForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
if ClientSocket1.Active then
ClientSocket1.Active:=False;
end;
procedure TMainForm.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if key=#13 then
begin
key:=#0;
Send_Message;
end;
end;
end.