PHP导出Excel

<?php
require_once 'PHPExcel.php';
require_once 'libs/IOFactory.php';
require_once 'libs/Excel5.php';
require_once 'Common_Oper.php';
class Excel_Oper
{
    function ArrayToExcel($par_columans,$par_array,$filename)
    {
        try{
        $resultExcel=new PHPExcel();
        $columns=array('A1','B1','C1','D1','E1','F1','G1','H1','I1','J1','K1','L1','M1','L1','O1','P1','Q1','R1','S1','T1','U1','V1','W1','X1','Y1','Z1');    
        $columns2=array('A','B','C','D','E','F','G','H','I','J','K','L','M','L','O','P','Q','R','S','T','U','V','W','X','Y','Z');        
        //表头
        if(is_array($par_columans))
        {
            for($n=0;$n<sizeof($par_columans);$n++)
            {
                $resultExcel->getActiveSheet()->setCellValue($columns[$n],$par_columans[$n]);
            }
        }
        //标题
        if(is_array($par_array))
        {
            $p=2;
            $com_oper=new Common_Oper();
            if($com_oper->IsNumArray($par_array))
            {
                for($n=0;$n<sizeof($par_array);$n++)
                {
                    for($i=0;$i<sizeof($par_array[$n]);$i++)
                    {
                    $resultExcel->getActiveSheet()->setCellValue($columns2[$i].$p,$par_array[$n][$i]);
                    }
                    $p++;
                }
            }else
            {
                $p=2;
                foreach($par_array as $key=>$value)
                {
                    foreach($par_columans as $key2=>$value2)
                    {
                        $resultExcel->getActiveSheet()->setCellValue($columns2[$key2].$p,$value[$value2]);
                    }
                    $p++;
                }
            }
        }
        
        $xlswrite=new PHPExcel_Writer_Excel5($resultExcel);
                $xlswrite->save("E:\4.xls");
        $xlswrite->save("C:\wamp\www\phpstudy\4.xls");

        echo '<script>window.location.href=".//4.xls"</script>';
         echo "看结果！";
 
             
        /*header("Content-Type: application/force-download"); 
        header("Content-Type: application/octet-stream"); 
        header("Content-Type: application/download"); 
        header('Content-Disposition:inline;filename="'.$filename.'"'); 
        header("Content-Transfer-Encoding: binary"); 
        header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); 
        header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); 
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); 
        header("Pragma: no-cache");
        //$xlswrite->save($filename);
        
        $xlswrite->save( "php://output" );*/
        }catch(Exception $exception)
        {
            echo $exception->getMessage();
        }
    }
}
?>