Question

java中用事件适配器处理鼠标事件的方法？

Answer 1

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Example6_10
{
	JFrame win;
	JTextField text;
	public Example6_10()
	{
		win=new JFrame("事件适配器及内部类示例");
		text=new JTextField(30);
	}
	public void inFrame()
	{
		JLabel label=new JLabel("单击并拖曳鼠标");
		win.add(label,BorderLayout.NORTH);
		win.add(text,BorderLayout.SOUTH);
		win.addMouseMotionListener(new MyMouseMotionListener());
		win.setSize(300,200);
		win.setVisible(true);
	}
	class MyMouseMotionListener extends MouseMotionAdapter
	{
		public void mouseDragged(MouseEvent e)
		{
			String s;
			s="Mouse dragging:x="+e.getX()+"Y="+e.getY();
			text.setText(s);
		}
	}
	public static void main(String[] args)
	{
		Example6_10 w=new Example6_10();
		w.inFrame();
	}
}

Answer 2

addMouseListener (new MouseAdapter()
{
@Override
public void mouseClicked ( MouseEvent e )
{
}
});