html2pdf 页眉页脚,如何为html2pdf指定页眉/页脚以在渲染pdf时使用？

/**

* HTML2PDF Librairy - example

*

* HTML => PDF convertor

* distributed under the LGPL License

*

* @author Laurent MINGUET

*

* isset($_GET['vuehtml']) is not mandatory

* it allow to display the result in the HTML format

*/

ob_start();

// HTML template begin (no output)

?>

Exemple d'utilisation des bookmarks

page [[page_cu]]/[[page_nb]]

// HTML end

// Getting the html which was not displayed into $content var

$content = ob_get_clean();

require_once(dirname(__FILE__).'/../html2pdf.class.php');

try

{

$html2pdf = new HTML2PDF('P', 'A4', 'fr', true, 'UTF-8', 0);

$html2pdf->writeHTML($content, isset($_GET['vuehtml']));

$html2pdf->createIndex('Sommaire', 25, 12, false, true, 1);

$html2pdf->Output('bookmark.pdf');

}

catch(HTML2PDF_exception $e) {

echo $e;

exit;

}