用户界面-如何使一个按钮带你到另一个框架的GUI java

Question

我想通过点击"PLAY ME"按钮转到连接四的另一帧，但我很困惑如何这样做。在这里，我有connectfour打开页面的代码，并在页面上设置了标签和按钮。下面是我的代码:

import java.awt.*;
import javax.swing.event.*;
import java.awt.Color.*;
import javax.swing.*;
import java.util.*;
public class Game implements ActionListener{
   public Game(){
      JFrame frame = new JFrame();
      frame.setVisible(true);
      frame.setSize(new Dimension(1000,1000));
      frame.setTitle("Connect Four");
      frame.setLayout(new BorderLayout());
      JButton play = new JButton();
      play.setPreferredSize(new Dimension(75,150));
      play.setBackground(Color.RED);
      play.setFont(new Font("Arial", Font.PLAIN, 40));
      play.setForeground(Color.BLACK);
      play.setText("CLICK ME TO PLAY");
      frame.add(play, BorderLayout.SOUTH);

      JPanel north = new JPanel(new BorderLayout());
      JLabel title = new JLabel("Connect Four");
      north.setBackground(Color.WHITE);
      title.setFont(new Font("Arial", Font.PLAIN, 100));
      title.setForeground(Color.RED);
      title.setHorizontalAlignment(0);
      title.setVerticalAlignment(1);
      frame.add(north, BorderLayout.NORTH);
      north.add(title);
      JPanel intro = new JPanel(new GridLayout(10,1));
      intro.setBackground(Color.WHITE);
      JLabel instructions = new JLabel("Instructions");
      instructions.setFont(new Font("Ariel", Font.PLAIN, 70));
      JLabel instructionsPart1 = new JLabel("Both players will be assigned a color, either red or black.");
      JLabel instructionsPart2 = new JLabel("Players will take turns placing the colored discs on to the board.");
      JLabel instructionsPart3 = new JLabel("The OBJECTIVE is to get four of one colored discs in a row.");
      instructionsPart1.setFont(new Font("Ariel", Font.PLAIN, 35));
      instructionsPart2.setFont(new Font("Ariel", Font.PLAIN, 35));
      instructionsPart3.setFont(new Font("Ariel", Font.PLAIN, 35));
      intro.add(instructions);
      intro.add(new JLabel(""));
      intro.add(instructionsPart1);
      intro.add(new JLabel(""));
      intro.add(instructionsPart2);
      intro.add(new JLabel(""));
      intro.add(instructionsPart3);
      intro.add(new JLabel(""));
      frame.add(intro, BorderLayout.CENTER);
      frame.add(intro);
      }  
}

Answer 1

隐藏第一帧并将第二帧的可见性设置为true

        btnplay.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent arg0) {
       second_add second = new second_add();   
       setVisible(false); // Hide current frame
       second.setVisible(true);
        }
    });

Answer 2

与其改变框架，不如改变面板。代替使用JFrame的add()方法，使用setContentPane(Container Container)

与其在框架中添加按钮之类的东西，不如创建另一个包装器面板，并在其上使用BorderLayout，然后将该面板添加到框架中:

的例子:

JPanel wrapper = new JPanel(new BorderLayout());
wrapper.add(play, BorderLayout.SOUTH);
//etc.   
frame.setContentPane(wrapper);

然后，点击手柄按钮，实现ActionListener接口。不要在主类中这样做——你需要不止一个。使用匿名内部类或lambda表达式。例子:

play.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) {
        frame.setContentPane(someOtherJPanel);
    }
});