代码如下，注意注释：import java.awt.Container;import java.awt.event.*;import javax.swing.*;public class ShortTest2 extends JFrame implements ActionListener { JButton jb1;JPanel j1;public ShortTest2() {Container contentPane = this.getContentPane();j1 = new JPanel();jb1 = new JButton("Draw");jb1.addActionListener(this);j1.add(jb1);contentPane.add(j1, "North");}public static void main(String[] args) {ShortTest2 m = new ShortTest2();m.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);m.setSize(600, 370);m.setLocationRelativeTo(null);m.setVisible(true);}public void actionPerformed(ActionEvent ae) {//主要是这里，按钮一按就执行下面的代码JOptionPane.showMessageDialog(null, "Hello World!");}}java点击按钮，出现另一个窗口第一个窗体LoginFrame.java：package winRelation;import java.awt.Dimension;import java.awt.Rectangle;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JOptionPane;public class LoginFrame extends JFrame {JButton button = new JButton("点击我");class LoginOKAction implements ActionListener {public void actionPerformed(ActionEvent e) {JOptionPane.showMessageDialog(null, "将进入另一个窗体！");new MainFrame();setVisible(false);}}public LoginFrame(){super();this.setResizable(false);this.setSize(new Dimension(300, 205));this.setTitle("第一个窗体");this.setLayout(null);this.setDefaultCloseOperation(EXIT_ON_CLOSE);this.setLocation(300, 200);this.setVisible(true);this.getContentPane().add(button, null);button.setBounds(new Rectangle(111, 70, 78, 27));button.addActionListener(new LoginOKAction());//给按钮加事件监听器}public static void main(String[] args) {new LoginFrame();}}第二个窗体MainFrame.java：package winRelation;import java.awt.BorderLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JDesktopPane;import javax.swing.JFrame;import javax.swing.JInternalFrame;import javax.swing.JMenu;import javax.swing.JMenuBar;import javax.swing.JMenuItem;import javax.swing.JToolBar;public class MainFrame extends JFrame{private static final JDesktopPane DESKTOP_PANE = new JDesktopPane();public MainFrame() {super("这是主窗体");setSize(640, 480);//菜单设置JMenuBar menuBar = new JMenuBar();this.setJMenuBar(menuBar);JMenu menu1 = new JMenu("菜单1");JMenu menu101 = new JMenu("菜单101");JMenuItem menu10101 = new JMenuItem("菜单10101");JMenuItem menu102 = new JMenuItem("菜单102");menu102.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {addIFame(new InternalFrame());}});menu101.add(menu10101);menu1.add(menu101);menu1.add(menu102);JMenu menu2 = new JMenu("菜单2");menuBar.add(menu1);menuBar.add(menu2);this.getContentPane().add(DESKTOP_PANE);this.setVisible(true);}public static void addIFame(JInternalFrame iframe) { // 添加子窗体的方法DESKTOP_PANE.add(iframe);}public static void main(String[] args) {new MainFrame();}}第三个窗体（MainFrame中的窗体）InternalFrame.java：package winRelation;import javax.swing.JButton;import javax.swing.JInternalFrame;public class InternalFrame extends JInternalFrame{public InternalFrame() {super();setClosable(true);setIconifiable(true);setTitle("内部窗体");setBounds(50,50,400,300);setVisible(true);}}同问android图片按钮点击来回变化如何实现？在res下的drawable里面添加你要的点击的图片main.xml里面添加控件<ImageButton android:id="@+id/ib"android:src="@drawable/bookmark_001"android:layout_width="wrap_content"android:layout_height="wrap_content"/>Activity里面：public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(yout.main);ib=(ImageButton)findViewById(R.id.ib);ib.setOnClickListener(ibLis);}private OnClickListener ibLis=new OnClickListener(){@Overridepublic void onClick(View v) {// TODO Auto-generated method stubsetTitle("图片按钮被点了");}};。