phpcms 内容页打印功能

<?php
// 在内容页添加打印按钮
echo '<button onclick="window.print();">打印</button>';
?>

<?php
require_once('vendor/autoload.php');

use setasign\Fpdi\Fpdi;
use setasign\Fpdf\Fpdf;

class PDF extends Fpdi
{
    protected $_tplId = 0;

    public function Header()
    {
        if (null === $this->Template) {
            $this->setSourceFile('template.pdf');
            $this->_tplId = $this->importPage(1);
        }
    }

    public function Footer()
    {
        $this->SetY(-15);
        $this->SetFont('Arial', 'I', 8);
        $this->SetTextColor(128);
        $this->Cell(0, 10, 'Page ' . $this->getAliasNumPage() . '/' . $this->getAliasNbPages(), 0, false, 'C', 0, '');
    }
}

$pdf = new PDF();
$pageCount = $pdf->setSourceFile('template.pdf');
$pdf->AddPage();
for ($pageNo = 1; $pageNo <= $pageCount; $pageNo++) {
    $pdf->useTemplate($pdf->importPage($pageNo));
}
$pdf->Output('I', 'document.pdf');
?>

@media print {
    body * {
        visibility: hidden;
    }
    #printable-content, #printable-content * {
        visibility: visible;
    }
    #printable-content {
        position: absolute;
        left: 0;
        top: 0;
    }
}

composer require setasign/fpdf setasign/fpdi