在Symfony 3中生成PDF

"require": {
    "mpdf/mpdf": "^8.0"
}

services:
    app.pdf_generator:
        class: App\Service\PDFGenerator
        arguments: ['@twig']

namespace App\Service;

use Mpdf\Mpdf;
use Twig\Environment;

class PDFGenerator
{
    private $twig;

    public function __construct(Environment $twig)
    {
        $this->twig = $twig;
    }

    public function generatePDF($template, $data)
    {
        $html = $this->twig->render($template, $data);
        $mpdf = new Mpdf();
        $mpdf->WriteHTML($html);
        $mpdf->Output('output.pdf', 'D');
    }
}

namespace App\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use App\Service\PDFGenerator;

class MyController extends AbstractController
{
    public function generatePDF(PDFGenerator $pdfGenerator)
    {
        $data = [
            'name' => 'John Doe',
            'age' => 30,
        ];
        $pdfGenerator->generatePDF('template.html.twig', $data);

        return new Response('PDF generated successfully!');
    }
}