yii_download_file.php

<?php

class LaporanController extends CController
{
  public function actionDownload()
  {
  	$filename = $_GET['name'];
  	$reportPath = Yii::app()->basePath.'/report/';

  	if (file_exists($reportPath.$filename)) {
  		Yii::app()->getRequest()->sendFile( $name , file_get_contents( $reportPath.$name ) );
  	} else {
  		throw new CHttpException(404, 'The requested file does not exist.');
  	}
  }
}