export excel ยังไง จะให้มีการเช็ค success ด้วยอ่ะครับ

<input type="button" id="excel" value="Export excel"> 

$(document).ready(function(){          
    $('#excel').one("click", function(){
	document.location = "exportexcel.php";
     });
});

$objPHPExcel = new PHPExcel();
		
		// Set document properties
		$objPHPExcel->getProperties()->setCreator("")
		 ->setLastModifiedBy("")
		 ->setTitle("Report Authen Log By User")
		 ->setSubject("Report Authen Log By User")
		 ->setDescription("Report Authen Log By User")
		 ->setKeywords("Report Authen Log By User")
		 ->setCategory("Report Authen Log By User");
	
		// Add some data
		$objPHPExcel->getActiveSheet()->setTitle('Report-1');
		$data = $objPHPExcel->setActiveSheetIndex(0);
		$data->setCellValue('A1', 'Login Date');
		$data->setCellValue('B1', 'Node Name');
		$data->setCellValue('C1', 'Node IP');
		$data->setCellValue('D1', 'User Name');
		$data->setCellValue('E1', 'User IP');
		$data->setCellValue('F1', 'Command');
		$k = $j = 1;
		$n = 0;
                $sql = "SELECT * FROM network";
                $query = mysql_query($sql);
		while($row = mysql_fetch_array($query)){
			++$k;
			if(is_integer($n/10000) && $n != 0){
				$objPHPExcel->createSheet();
				
				$data = $objPHPExcel->setActiveSheetIndex($j);
				$objPHPExcel->getActiveSheet()->setTitle('Report-'.($j+1));
				$data->setCellValue('A1', 'Login Date');
				$data->setCellValue('B1', 'Node Name');
				$data->setCellValue('C1', 'Node IP');
				$data->setCellValue('D1', 'User Name');
				$data->setCellValue('E1', 'User IP');
				$data->setCellValue('F1', 'Command');
				$j++;
				$k = 2;
				$n - 1;
			}

			$data->setCellValue('A'.$k, (empty($row['login_date']))?'-':$row['login_date']);
			$data->setCellValue('B'.$k, (empty($row['node_name']))?'-':$row['node_name']);
			$data->setCellValue('C'.$k, (empty($row['node_ip']))?'-':$row['node_ip']);
			$data->setCellValue('D'.$k, (empty($row['user_name']))?'-':$row['user_name']);
			$data->setCellValue('E'.$k, (empty($row['user_ip']))?'-':$row['user_ip']);
			$data->setCellValue('F'.$k, (empty($row['cmd']))?'-':$row['cmd']);
			$n++;
		}
	
		// Rename worksheet
		
			
		// Set active sheet index to the first sheet, so Excel opens this as the first sheet
		$objPHPExcel->setActiveSheetIndex(0);

		// Redirect output to a client’s web browser (Excel2007)
		$filename = "Report_user_".date("Y-m-d_H-i",time()); 
		header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
		header('Content-Disposition: attachment;filename="'.$filename.'".xlsx"');
		header('Cache-Control: max-age=0');

		$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
		$objWriter->save('php://output');
                exit;