Java抓取鼠标事件和滚轮事件实例

Java抓取鼠标事件和滚轮事件实例转自：http://blog.csdn.net/zfqzpp/

package demo;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MouseDemo extends JFrame  implements MouseListener,MouseWheelListener{
	static int chang=400,kuang=400;
	public MouseDemo(){
	JPanel j=new JPanel();
	JButton jb=new JButton("click");
	
	j.add(jb);
	this.add(j);
	
	this.setVisible(true);
	this.setSize(chang,kuang);
	
	
	jb.addMouseListener(this);
	this.addMouseWheelListener(this);
	
	}
	
	public   void mouseClicked(MouseEvent e){
		
		
		//左击事件
		if(e.getButton()==MouseEvent.BUTTON1)
			System.out.println("zuo ji shi jian ....");
		
		//滑轮按下事件
		if(e.getButton()==MouseEvent.BUTTON2)
			System.out.println("zhong  ji shi jian ....");
		
		//右击事件
		if(e.getButton()==MouseEvent.BUTTON3)
			System.out.println("you ji shi jian ....");
		
	}
	
	
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		new MouseDemo();
	}
	@Override
	public void mouseEntered(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}
	@Override
	public void mouseExited(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}
	@Override
	public void mousePressed(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}
	@Override
	public void mouseReleased(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}
	@Override
	//利用滚轮事件将窗口放大和缩小
	public void mouseWheelMoved(MouseWheelEvent e) {
		// TODO Auto-generated method stub
		if(e.getWheelRotation()==1){
			chang+=10;
			kuang+=10;
			this.setSize(chang,kuang);
			this.validate();
			System.out.println("滑轮向前。。。。");
		}
		if(e.getWheelRotation()==-1){
			chang-=10;
			kuang-=10;
			this.setSize(chang,kuang);
			this.validate();
			System.out.println("滑轮向后....");
		}
		
	}
}