    public function export($entity, $fileType) {

        $appHelper = new libs\AppHelper();
        
	$className = $appHelper->getModel($entity);
	$data      = $className::get();
	if (strcmp($fileType, "excel") == 0) {
		$excel = \App::make('Excel');
		\Excel::create($entity, function($excel) use ($data) {
			$excel->sheet('Sheet1', function($sheet) use ($data) {
				$sheet->fromModel($data);
			});
		})->export('xls');
	}
    }