java怎么实现按钮切换页面

Question

注册页面点击按钮要如何实现页面切换啊
界面代码都在这了，麻烦教一下

import java.awt.Color;
import java.awt.Font;
import java.awt.Toolkit;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class dlym {
    public dlym(){
        aa();
    }
    
    private void aa() {
        // TODO 自动生成的方法存根
        JFrame frame=new JFrame("Wzzzz");
        frame.setSize(500,500);
        frame.setResizable(false);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    
        JPanel down=new JPanel();
        down.setLayout(null);
        //down.setBounds(0,50,400,260);
        down.setBackground(Color.white);
        
        JLabel jlable3=new JLabel("账号：");
        jlable3.setBounds(100,170,120,30);
        jlable3.setFont(new Font("",1,30));
        jlable3.setForeground(Color.black);
        down.add(jlable3);
        
        JLabel lable1=new JLabel();
        lable1.setBounds(200,25,100,100);
        lable1.setIcon(new ImageIcon(Toolkit.getDefaultToolkit().getImage("images/1.jpg")));
        down.add(lable1);
        
        
        JTextField account =new JTextField();
        account.setBounds(200,170,200,30);
        down.add(account);
    
        JLabel jlable4=new JLabel("密码：");
        jlable4.setBounds(100,250,120,30);
        jlable4.setFont(new Font("",1,30));
        jlable4.setForeground(Color.black);
        down.add(jlable4);
        
        JTextField jpassw =new JTextField();
        jpassw.setBounds(200,250,200,30);
        down.add(jpassw);
        
        JButton bb=new JButton("登录");
        bb.setBounds(100,320,145,50);
        bb.setBackground(Color.blue);
        bb.setForeground(Color.white);
        down.add(bb);
        
        JButton aa=new JButton("注册");
        aa.setBounds(255,320,150,50);
        aa.setBackground(Color.blue);
        aa.setForeground(Color.white);
        down.add(aa);
        
        frame.add(down);
        
        frame.setVisible(true);
        }
}

Answer 1

首先要实现按钮的Action事件，在事件里面new 注册窗口类即可。