Java 鼠標事件

　　import javaawt*;

　　import javaawtevent*;

　　import javaxswing*;

　　public class MoveMessageDemo extends JFrame {

　　public MoveMessageDemo() {

　　MoveMessagePanelNew p = new MoveMessagePanelNew(Welcome to Java);

　　getContentPane()setLayout(new BorderLayout());

　　getContentPane()add(p);

　　}

　　/** Main method */

　　public static void main(String[] args) {

　　MoveMessageDemo frame = new MoveMessageDemo();

　　framesetTitle(MoveMessageDemo);

　　framesetDefaultCloseOperation(JFrameEXIT_ON_CLOSE);

　　framesetSize( );

　　framesetVisible(true);

　　}

　　}

　　// MoveMessagePanel draws a message

　　class MoveMessagePanel implements MouseMotionListener {

　　public void mouseMoved(MouseEvent e) {

　　}

　　/** Handle mouse dragged event */

　　public void mouseDragged(MouseEvent e) { //鼠標按鍵在組件上按下並拖動時調用

　　// Get the new location and repaint the screen

　　Systemoutprintln(egetX());

　　Systemoutprintln(egetY());

　　}

　　}

　　// MoveMessagePanelNew draws a message

　　class MoveMessagePanelNew extends JPanel implements MouseMotionListener {

　　private String message = Welcome to Java;

　　private int x = ;

　　private int y = ;

　　public MoveMessagePanelNew(String s) {

　　message = s;

　　thisaddMouseMotionListener(this);

　　}

　　public void mouseMoved(MouseEvent e) {

　　}

　　public void mouseDragged(MouseEvent e) {

　　// Get the new location and repaint the screen

　　x = egetX();

　　y = egetY();

　　repaint();

　　}

　　protected void paintComponent(Graphics g) {

　　superpaintComponent(g);

　　gdrawString(message x y);

　　}

　　}

From:http://tw.wingwit.com/Article/program/Java/hx/201311/25637.html