google 的xml excel

function export_excel($filename,$title,$data){ ob_end_clean(); ini_set('zlib.output_compression','Off');

header('Pragma: public'); header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");                   header('Last-Modified: '.gmdate('D, d M Y H:i:s') . ' GMT'); header('Cache-Control: no-store, no-cache, must-revalidate');    header('Cache-Control: pre-check=0, post-check=0, max-age=0');    header ("Pragma: no-cache"); header("Expires: 0"); header('Content-Transfer-Encoding: none'); header('Content-Type: application/vnd.ms-excel;charset=utf-8');                 header("Content-type: application/x-msexcel;charset=utf-8"); header("Content-disposition: attachment; filename="  . iconv('utf-8', "gb2312", $filename) . ".xls");$s = '';if (is_array($title)){	foreach ($title as $key => $value){		$s .=  $value."\t";	}}$s .=  "\n";if (is_array($data)){	foreach ($data as $key => $value){		foreach ($value as $_key => $_value){			$s .=  $_value."\t";		}		$s .=  "\n";	}}$s = mb_convert_encoding($s, 'gb2312');//$s = iconv('utf-8', "gb2312", $s);exit($s);

}