uses IdHTTP; const Url = 'http://del.cnblogs.com'; procedure TForm1.Button1Click(Sender: TObject);
var
stream: TStringStream;
idHttpObj: TIdHTTP;
begin
stream := TStringStream.Create('', TEncoding.UTF8); // idHttpObj := TIdHTTP.Create(nil);
idHttpObj.Get(Url, stream);
idHttpObj.Free; Memo1.Text := stream.DataString;
stream.Free;
end;
https://www.cnblogs.com/del/archive/2011/12/30/2307965.html