鼠标键盘处理

 1 package ch11_5;
 2 
 3 import java.awt.FlowLayout;
 4 import java.awt.HeadlessException;
 5 import java.awt.event.*;
 6 
 7 import javax.swing.*;
 8 
 9 public class MouseEventTest extends JFrame implements MouseMotionListener,MouseListener{
10     private JLabel jl1,jl2;
11     private JTextArea jta;
12     private JTextField jtf1,jtf2;
13    
14     public MouseEventTest()  {
15         super("事件使用实例_鼠标事件");
16         jl1=new JLabel("X: ");
17         jl2=new JLabel("Y: ");
18         jtf1=new JTextField(5);
19         jtf2=new JTextField(5);
20         jta=new JTextArea(15,15);
21         this.setBounds(500, 500, 500, 500);
22         this.setLayout(new FlowLayout(FlowLayout.LEFT));
23         this.add(jl1);
24         this.add(jl2);
25         this.add(jtf1);
26         this.add(jtf2);
27         this.add(jta);
28         this.addMouseMotionListener(this);
29         this.addMouseListener(this);
30     }
31 
32     @Override
33     public void mouseClicked(MouseEvent e) {
34         jta.setText(jta.getText()+"你单击鼠标了!\n");
35         
36     }
37 
38     @Override
39     public void mousePressed(MouseEvent e) {
40         jta.setText(jta.getText()+"你按下鼠标了!\n");
41         
42     }
43 
44     @Override
45     public void mouseReleased(MouseEvent e) {
46         jta.setText(jta.getText()+"你松开鼠标了!\n");
47         
48     }
49 
50     @Override
51     public void mouseEntered(MouseEvent e) {
52         jta.setText(jta.getText()+"你使用鼠标进入组件区域了!\n");
53         
54     }
55 
56     @Override
57     public void mouseExited(MouseEvent e) {
58         jta.setText(jta.getText()+"你使用鼠标离开组件区域了!\n");
59         
60     }
61     @Override
62     public void mouseDragged(MouseEvent e) {
63         jta.setText(jta.getText()+"你拖动鼠标了!\n");
64         
65     }
66 
67     @Override
68     public void mouseMoved(MouseEvent e) {
69         int x,y;
70         x=e.getX();
71         y=e.getY();
72         jtf1.setText(""+x);
73         jtf2.setText(""+y);
74     }
75     public static void main(String[] args) {
76         MouseEventTest a=new MouseEventTest();
77         a.setVisible(true);
78         a.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
79 
80     }
81 
82     
83 
84 }

标签：鼠标,处理,void,键盘,setText,new,jta,public
来源： https://www.cnblogs.com/dss-99/p/14174753.html