Test.jaca

    @FXML
    private void telecharger(ActionEvent event) throws SQLException {
        Reservation_hotes res = new Reservation_hotes();
        
       res = table_reserv.getSelectionModel().getSelectedItem();
                ReservationPdf pdf = new ReservationPdf();
                pdf.Reservation(
                       res.getNumero_reservation(),
                       res.getDate_debut(),
                       res.getNb_jours(),
                       res.getNb_personne(),
                       res.getPrix()
                );
                Alert alert = new Alert(Alert.AlertType.INFORMATION);
                alert.setTitle("Information");
                alert.setHeaderText("Pdf Reservation ");
                alert.setContentText("votre pdf est telecharger avec succès");
                alert.showAndWait();
                if (Desktop.isDesktopSupported()) {
                  
                        File myFile = new File("C:\\xampp\\htdocs\\Pidev Desktop/Reservation" + res.getNumero_reservation() + ".pdf");
                    try {
                        Desktop.getDesktop().open(myFile);
                    } catch (IOException ex) {
                        Logger.getLogger(AfficherReservationController.class.getName()).log(Level.SEVERE, null, ex);
                    }
                  
                }
            }
#######
public void reservationPdf(int numRes,Date dateDeb,int  nb_jours, int nb_pers,Double totaleprix ) throws SQLException {
        Document document = new Document(PageSize.A4);
        try{
            PdfWriter.getInstance(document, new FileOutputStream("Reservation"+numRes+".pdf"));
            document.open();
            
            /*Rectangle pageSize = new Rectangle(216, 720);
           pageSize.setBackgroundColor(new BaseColor(0xFF, 0xFF, 0xDE));
            */
            Paragraph p1 = new Paragraph("Reservation N°  :   "+numRes);
            Paragraph p2 = new Paragraph("----------------------------");
            Paragraph p3 = new Paragraph("                                    ");
            
            Paragraph p4 = new Paragraph("Date de début   :    "+ dateDeb);
           Paragraph p5 = new Paragraph ("Nombre de jours   :    "+ nb_jours + " jour(s)");
            Paragraph p6 = new Paragraph("Nombre de personnes   :   "+ nb_pers + " personne(s) ");
            Paragraph Prix = new Paragraph("Prix Totale   :    "+ totaleprix + " $");
           
            Paragraph p7 =  new Paragraph("Scanner le QR_Code pour connaitre le nom de la maison d'hôte :");
            //QR_Code
         BarcodeQRCode my_code = new BarcodeQRCode(num(numRes),numRes,numRes,null);
           Paragraph p8 = new Paragraph("------------------------------------------------------------------");
        Image qr_image = my_code.getImage();
            
            document.add(p1);
            document.add(p2);
            document.add(p3);
            
            document.add(p7);
             document.add(qr_image);
             document.add(p8);
             
            document.add(p4);
              document.add(p3);
            document.add(p5);
              document.add(p3);
            document.add(p6);
              document.add(p3);
            document.add(Prix);
              document.add(p3);
           
        }
        catch(DocumentException | FileNotFoundException e){
            System.out.println(e);
        }
        document.close();
    }