Swing?? ??/??? ?? ??

Swing GUI? ????? ???? ??? ??? ??????? ?? ?? ? ??? ??? ???? ??????. ??. ?? ?? ???? ??? ???? ??? ???? ?? ?????? ??? ??? ? ????. ??????. ? ???? ??? ???? ???? ??? ??? ???? ?? ??? ? ?? ?? ???? ?????.

?? ?? ??:

??? ??? ?? ?? ?? ??? ???? ?? ?? ????? ?????. ? ??(??, ?, ???)? ??? ??? ????? ??? ?? ???? ?????. ??? ? ?? ??? ?? ? ????.

• ???? ??? ??? ???? ???? ?? ???change_display? ??Panels ??? ?????.
• ?????? ????. Forward_display? ForwardPanels ???? ?? ? currentPanel ??.

??? ??? ?? ??? ??? ??? ? ????.

?? ???: CardLayout

Swing?? ?? ? ??? ??? ???? ?? ??? ??? CardLayout? ???? ????. ? ???? ???? ???? ?? ???? ?? ?? ????? ???? ?? ???? ??? ???? ???? ?? ?? ??? ? ????. ??? ?? ??? ????.

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class CardNav extends JPanel {

    private CardLayout cardLayout;
    private JPanel cards;
    private JButton back, forward;

    public CardNav() {
        setLayout(new BorderLayout());

        // Create a CardLayout to hold the panels
        cardLayout = new CardLayout();
        cards = new JPanel(cardLayout);

        // Add panels to the CardLayout
        cards.add(new JPanel(), "Panel 1");
        cards.add(new JPanel(), "Panel 2");
        cards.add(new JPanel(), "Panel 3");

        // Add the CardLayout to the main panel
        add(cards, BorderLayout.CENTER);

        // Create back and forward buttons
        back = new JButton("Back");
        forward = new JButton("Forward");

        // Add button functionality
        back.addActionListener(e -> cardLayout.previous(cards));
        forward.addActionListener(e -> cardLayout.next(cards));

        // Add buttons to the panel
        JPanel navBar = new JPanel();
        navBar.add(back);
        navBar.add(forward);
        add(navBar, BorderLayout.SOUTH);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            JFrame frame = new JFrame();
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.add(new CardNav(), BorderLayout.CENTER);
            frame.pack();
            frame.setLocationRelativeTo(null);
            frame.setVisible(true);
        });
    }
}

? ???? ?? ??? ???? CardLayout? ?? ??? ????, ??? ??? ???? ?? ??? ?????. ?? ??? ???? ???? ? ????? ??? ??? ??? ?????.

??:

?? ?? ??? ??? ???? ??? ???? ?? ??? ???? , ??? ????? ?? ??? ?? ??? ??? ? ????. CardLayout? ???? Swing?? ?? ? ??? ??? ???? ?? ????? ???? ??? ?????. ? ?? ?? ??? ???? ????? ??? ???? ?? ???? GUI? ??????.

? ??? Swing ???????? ?? ? ??? ??? ????? ????? ??? ?? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!