问使用dompdf将html修复为pdf (CSS)

EN

  public function testPDF(){
        $view = View::loadView('agentpanel/invoice_header.php');   
        $invoice_view = View::loadView('agentpanel/invoice_view.php');
        $company = Company::fetch(1);
        $client  = Client::fetch(1);
        $invoice = Invoice::fetch(1);
        $invoice_view->addData(['company'           => $company,
                                'client'            => $client,
                                'template'          => $company->invoiceTemplate,
                                'availableProducts' => [],
                                'availableForms'    => [],
                                'sales'             => $invoice->sales->all(true),
                                'inv'               => $invoice,
                                'mode'              => 'view'
        ]);

        $invoice_view->set('date', date("M, d Y",time()));
        $view->set('invoice_view', $invoice_view->render());
        $view->display();
    } 

   public function testPDF1(){
        $view = View::loadView('agentpanel/invoice_header.php');   
        $invoice_view = View::loadView('agentpanel/invoice_view.php');
        $company = Company::fetch(1);
        $client  = Client::fetch(1);
        $invoice = Invoice::fetch(1);
        $invoice_view->addData(['company'           => $company,
                                'client'            => $client,
                                'template'          => $company->invoiceTemplate,
                                'availableProducts' => [],
                                'availableForms'    => [],
                                'sales'             => $invoice->sales->all(true),
                                'inv'               => $invoice,
                                'mode'              => 'view'
        ]);

        $invoice_view->set('date', date("M, d Y",time()));
        $view->set('invoice_view', $invoice_view->render());
         $dompdf = new Dompdf();

        $dompdf->loadHtml($view->render());
        $dompdf->setPaper('A4', 'landscape');
        $dompdf->render();  
        $dompdf->stream();
    }