unit Unit1;

interface

uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, StdCtrls;

type

  TForm1 = class(TForm)

    Memo1: TMemo;

    Button1: TButton;

    procedure Button1Click(Sender: TObject);

  end;

var

  Form1: TForm1;

implementation

{$R *.dfm}

uses MsXML;

procedure TForm1.Button1Click(Sender: TObject);
var

  req: IXMLHTTPRequest;
begin

  req := CoXMLHTTP.Create; //较早的版本或许是 req := CoXMLHTTPRequest.Create;

  req.open('Get', 'http://del.cnblogs.com', False, EmptyParam, EmptyParam);

  req.send(EmptyParam);

  Memo1.Text := req.responseText;
end;

end.