gui事件

public class FrameEvent  {
 private Frame frame;
 private Button button;
 private TextField textField;
 public FrameEvent() {
  init();
 }
 public void init(){
  frame=new Frame("我的彈出框");
  frame.setBounds(300, 100, 500, 500);
  frame.setLayout(new FlowLayout());
  button=new Button("my button");
  //添加button
  frame.add(button);
  textField=new TextField(10);
  frame.add(textField);
  //添加事件
  MyEvent();
  frame.setVisible(true);
 }
 public void MyEvent(){
  frame.addWindowListener(new WindowAdapter() {
   public void windowClosing(WindowEvent e) {
    System.out.println("is  closing");
    System.exit(0);
   }
  });
  /*button.addActionListener(new ActionListener() {
   
   @Override
   public void actionPerformed(ActionEvent arg0) {
    System.out.println("按鈕乾的");
    System.exit(0);
   }
  });*/
  textField.addKeyListener(new KeyAdapter() {
   public void keyPressed(KeyEvent e){
    int key=e.getKeyCode();
    if(!(key>=KeyEvent.VK_0 && key<=KeyEvent.VK_9))
     System.out.println("你輸入的"+e.getKeyChar()+"是非法的");
   }
  });
  button.addMouseListener(new MouseAdapter() {
   private int count=1;
   private int countP=1;
   public void mouseReleased(MouseEvent e){
    System.out.println("鼠標進入事件"+count++);
   }
   public void mousePressed(MouseEvent e){
    if(e.getClickCount()==2)
    System.out.println("鼠標點擊事件"+countP++);
   }
  });
  button.addKeyListener(new KeyAdapter() {
   public void keyPressed(KeyEvent e){
    if(e.isControlDown() && e.getKeyCode() == KeyEvent.VK_ENTER)
    System.out.println("ctrl is run");
   }
  });
 }
}