📄 mousemotioneventdemo.java
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class MouseMotionEventDemo extends JFrame
{
private JLabel label;
private JPanel panel;
public MouseMotionEventDemo()
{
super("鼠标移动事件");
try
{ //设置外观
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}catch(Exception e){}
setSize(400,400);
//获取内容面板
Container container = getContentPane();
container.setBackground(Color.YELLOW);
//创建面板
panel = new JPanel();
panel.setPreferredSize(new Dimension(400, 25));
//创建标签
label=new JLabel();
label.setFont(new Font("Serif", Font.PLAIN, 14));
panel.add(label);
//注册鼠标事件监听器
container.addMouseMotionListener(new MouseMotionListener()
{ //匿名内部类实现
//鼠标拖动
public void mouseDragged(MouseEvent event)
{
label.setText("鼠标拖动,坐标("+event.getX()+","+event.getY() + ")");
}
//鼠标移动
public void mouseMoved(MouseEvent event)
{
label.setText("鼠标移动,坐标("+event.getX()+","+event.getY() + ")");
}
});
container.add(panel, BorderLayout.SOUTH);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String args[])
{
MouseMotionEventDemo application = new MouseMotionEventDemo();
}
}
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