faces.java

JAVA编程思想源代码 值得一下 很难找的

package chapter11;

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

public class Faces extends JPanel {
	static Icon[] faces = { new ImageIcon("chapter11\\27.gif"),						//图标数组
			new ImageIcon("chapter11\\13.gif"),
			new ImageIcon("chapter11\\3.gif"),
			new ImageIcon("chapter11\\5.gif"),
			new ImageIcon("chapter11\\12.gif"), };

	JButton jb = new JButton("JButton", faces[3]), jb2 = new JButton("Disable",
			faces[2]);

	boolean mad = false;

	public Faces() {														//构造方法
		jb.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if (mad) {
					jb.setIcon(faces[3]);
					mad = false;
				} else {
					jb.setIcon(faces[0]);
					mad = true;
				}
				jb.setVerticalAlignment(JButton.TOP);
				jb.setHorizontalAlignment(JButton.LEFT);
			}
		});
		setLayout(new GridLayout(2, 1));
		jb.setRolloverEnabled(true);
		jb.setRolloverIcon(faces[1]);
		jb.setPressedIcon(faces[2]);
		jb.setDisabledIcon(faces[4]);
		add(jb);
		jb2.addActionListener(new ActionListener() {							//添加事件监听器
			public void actionPerformed(ActionEvent e) {
				if (jb.isEnabled()) {
					jb.setEnabled(false);
					jb2.setText("Enable");
				} else {
					jb.setEnabled(true);
					jb2.setText("Disable");
				}
			}
		});
		add(jb2);

	}

	public static void main(String args[]) {
		JFrame jfm = new JFrame();										//添加panel至frame
		jfm.add(new Faces());
		jfm.setSize(300, 300);
		jfm.setVisible(true);
		jfm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);				//设置关闭按钮

	}
}