client.pas

所有delphi的入门例子

unit client;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, IdBaseComponent, IdComponent, IdTCPConnection,
  IdTCPClient;

type
  TForm1 = class(TForm)
    IdTCPClient1: TIdTCPClient;
    Button1: TButton;
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  IdTCPClient1.Port := 9925;
  IdTCPClient1.Host := '127.0.0.1';
  IdTCPClient1.Connect;
  try

  except
    showmessage('连接失败');
  end;
  //IdTCPClient1.Disconnect;

end;

procedure TForm1.Button1Click(Sender: TObject);
begin
   IdTCPClient1.WriteLn(edit1.text); //提示服务器开始接收
end;

end.