cardlaytest2.java

Java程序设计培训教程2

import java.awt.*;
import java.awt.event.*;
/*类CardLayTest2实现了MouseListener，继承了WindowAdapter类*/
public class CardLayTest2 extends WindowAdapter implements MouseListener{
	Frame frObj = new Frame("CardLayout Test!");
	CardLayout layoutObj = new CardLayout();
	public static void main(String args[]){
		CardLayTest1 classObj = new CardLayTest1();
		classObj.go();
	}
	public void go(){
		Button butObj = new Button("OK");
		Checkbox chbObj = new Checkbox("one",null,true);
		CheckboxGroup cbgObj = new CheckboxGroup();
		Checkbox c=new Checkbox("one",cbgObj,true);
		Choice choiObj = new Choice();
		choiObj.add("class 1");
		choiObj.add("class 2");
		choiObj.add("class 3");
		Label labObj = new Label("Book name");
		TextArea taObj = new TextArea("Hi",3,20);
		
		frObj.setLayout(layoutObj);
		frObj.add(butObj,"button");
		butObj.addMouseListener(this);
		frObj.add(chbObj,"checkbox");
		chbObj.addMouseListener(this);
		frObj.add(c,"radio button");
		c.addMouseListener(this);
		frObj.add(choiObj,"choice");
		choiObj.addMouseListener(this);
		frObj.add(labObj,"label");
		labObj.addMouseListener(this);
		frObj.add(taObj,"textarea");
		taObj.addMouseListener(this);
		frObj.addWindowListener(this);
		frObj.setSize(300,300);
		frObj.show();
	}
	public void mouseClicked(MouseEvent e){
		layoutObj.next(frObj);
	}
	public void mouseEntered(MouseEvent e){}
	public void mouseExited(MouseEvent e){}
	public void mousePressed(MouseEvent e){}
	public void mouseReleased(MouseEvent e){}
	
	public void windowClosing(WindowEvent e){
		System.exit(0);
	}
}