unit1.pas.~2~

delphi+socket通讯的例子

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ScktComp, StdCtrls, ComCtrls;

type
  TForm1 = class(TForm)
    ServerSocket1: TServerSocket;
    Edit1: TEdit;
    Label1: TLabel;
    Button1: TButton;
    Ztailan: TStatusBar;
    Memo1: TMemo;
    GroupBox1: TGroupBox;
   
    procedure Button1Click(Sender: TObject);
    procedure ServerSocket1ClientConnect(Sender: TObject;
      Socket: TCustomWinSocket);
    procedure FormCreate(Sender: TObject);
    procedure ServerSocket1ClientDisconnect(Sender: TObject;
      Socket: TCustomWinSocket);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  ServerSocket1.open;  //开始监听
  Ztailan.Panels[0].Text:='开始监听...'  ;
  Ztailan.Panels[1].Text:=inttostr(ServerSocket1.Port);
  {这样服务端就一直在监听1987这个端口,监听到连接就响应
   OnAccept这个事件}
end;


procedure TForm1.FormCreate(Sender: TObject);
begin
ServerSocket1.Port:=1987;//设置的监听端口

end;

procedure TForm1.ServerSocket1ClientConnect(Sender: TObject;
  Socket: TCustomWinSocket);
begin
Ztailan.Panels[0].Text:='已连接...' ;

//状态栏显示
end;

procedure TForm1.ServerSocket1ClientDisconnect(Sender: TObject;
  Socket: TCustomWinSocket);
begin
Ztailan.Panels[0].Text:='已断开...';
end;

end.