导出excel部分代码

public static function header_file($doc,$file,$title,$type='Excel5'){

if(!empty($doc)){

$objWriter = self::writer_excel($doc,$title, $type);    //excel写入方法

header("Content-Type: application/force-download");

header("Content-Type: application/octet-stream");

header("Content-Type: application/download");

//header("Content-Disposition: attachment; filename=".urlencode($file));

$ua = $_SERVER["HTTP_USER_AGENT"];

$encoded_file = urlencode($file);

$encoded_file = str_replace("+", "%20", $encoded_file);

if (preg_match("/MSIE/", $ua)) {

header('Content-Disposition: attachment; filename="' . $encoded_file . '"');

} else if (preg_match("/Firefox/", $ua)) {

header('Content-Disposition: attachment; filename*="utf8\'\'' . $file . '"');

} else {

header('Content-Disposition: attachment; filename="' . $file . '"');

}

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");

$objWriter->save('php://output');

}

}

}