componentmouseevt.java

java练习程序

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class ComponentMouseEVT extends Applet implements MouseListener
{
	TextArea text;
	Button btn1;
	public void init()
	{ 
		btn1=new Button("我上面也能发生鼠标事件");
		btn1.addMouseListener(this);
		text=new TextArea();
		setLayout(new BorderLayout());
		add(btn1, "North");add(text, "Center");
	}
	public void mousePressed(MouseEvent e)
	{

		text.setText("鼠标按下位置"+"("+e.getX()+"，"+e.getY()+")");
	}
	
	public void mouseReleased(MouseEvent e)
	{
		text.setText("鼠标释放位置:"+"("+e.getX()+", "+e.getY()+")");
	}
	
	public void mouseEntered(MouseEvent e)
	{
		text.setText("鼠标进入位置:"+"("+e.getX()+", "+e.getY()+")");
	}
	
	public void mouseExited(MouseEvent e)
	{
		text.setText("鼠标退出位置:"+"("+e.getX()+", "+e.getY()+")");
	}
	
	public void mouseClicked(MouseEvent e)
	{
		text.setText("鼠标点击位置:"+"("+e.getX()+", "+e.getY()+")");
	}
}