mouseeventdemo.java

学习Java的一些基本课件和源代码 对于初学者很有帮助的

//MouseEventDemo.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class MouseEventDemo extends WindowAdapter 
	implements MouseListener,MouseMotionListener{
		private JFrame jframe;
		private JLabel statusBar;
		private Container content;
		public MouseEventDemo(){
			jframe=new JFrame("MouseEventDemo");
			content=jframe.getContentPane();
			content.setLayout(null);
			statusBar=new JLabel();
			statusBar.setBounds(10,50,200,20);
			content.add(statusBar);
			jframe.addMouseListener(this);
			jframe.addMouseMotionListener(this);
			jframe.addWindowListener(this);
			jframe.setSize(200,100);
			jframe.setVisible(true);
			}
		public void windowClosing(WindowEvent event){
			System.exit(0);
			}
		public void mouseClicked(MouseEvent event){
			statusBar.setText("Clicked at ["+event.getX()+", "+event.getY()+"]");
			}
		public void mousePressed(MouseEvent event){
			statusBar.setText("Pressed at ["+event.getX()+", "+event.getY()+"]");
			}
		public void mouseReleased(MouseEvent event){
			statusBar.setText("Released at ["+event.getX()+", "+event.getY()+"]");
			}
		public void mouseEntered(MouseEvent event){
			statusBar.setText("Entered at ["+event.getX()+", "+event.getY()+"]");
			content.setBackground(Color.GREEN);
			}
		public void mouseExited(MouseEvent event){
			statusBar.setText("Mouse outside window");
			content.setBackground(Color.WHITE);
			}
		public void mouseDragged(MouseEvent event){
			statusBar.setText("Dragged at ["+event.getX()+", "+event.getY()+"]");
			}
		public void mouseMoved(MouseEvent event){
			statusBar.setText("Moved at ["+event.getX()+", "+event.getY()+"]");
			}
			
		public static void main(String args[]){
			MouseEventDemo application=new MouseEventDemo();
			}
}