将多页 pdf 拆分为不同的单页时,pdf 中的链接(超链接)被删除

links (hyperlink) inside pdf is removed when splitting multiple page pdf into different single page

我使用 fpdf 和 fpdi 将 pdf 分成不同的单页。一切正常,但 pdf 中的 link 不起作用。 Link 已在拆分的单页上删除。

split_pdf("test.pdf", 'splitedpdf/');

function split_pdf($filename, $end_directory = false)
{
    require_once('fpdf/fpdf.php');
    require_once('fpdi/fpdi.php');

    $end_directory = $end_directory ? $end_directory : './';
    $new_path = preg_replace('/[\/]+/', '/', $end_directory.'/'.substr($filename, 0, strrpos($filename, '/')));

    if (!is_dir($new_path))
    {
        // Will make directories under end directory that don't exist
        // Provided that end directory exists and has the right permissions
        mkdir($new_path, 0777, true);
    }

    $pdf = new FPDI();
    $pagecount = $pdf->setSourceFile($filename); // How many pages?

    // Split each page into a new PDF
    for ($i = 1; $i <= $pagecount; $i++) {
        $new_pdf = new FPDI();
        $new_pdf->AddPage();
        $new_pdf->setSourceFile($filename);
        $new_pdf->useTemplate($new_pdf->importPage($i));

        try {
            $new_filename = $end_directory.str_replace('.pdf', '', $filename).'_'.$i.".pdf";
            $new_pdf->Output($new_filename, "F");
            echo "Page ".$i." split into ".$new_filename."<br />\n";
        } catch (Exception $e) {
            echo 'Caught exception: ',  $e->getMessage(), "\n";
        }
    }
    //  $pdf->close();
}

FPDI is not able to handle any dynamic content link links, form fields or any other annotation type. There's an extension 至少支持链接(仅与 FPDI 1.4.4 + FPDF_TPL 1.2.3 兼容)。

如果您需要提取包含所有附加注释的页面,您可以查看 SetaPDF-Merger component(不是免费的!)。