在中显示第一个图像（动画帧）
JLabel。当用户单击按钮时，启动一个Swing
Timer，它将标签的图标更改为下一帧，并在显示所有帧后循环播放。当用户再次单击该按钮时，停止动画。
import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.net.URL;import javax.imageio.ImageIO;import javax.swing.*;class Chomper { public static void main(String[] args) throws Exception { final Image[] frames = { ImageIO.read(new URL("http://i.stack.imgur.com/XUmOD.png")), ImageIO.read(new URL("http://i.stack.imgur.com/zKyiD.png")), ImageIO.read(new URL("http://i.stack.imgur.com/4maMm.png")), ImageIO.read(new URL("http://i.stack.imgur.com/wn9V5.png")) }; Runnable r = new Runnable() { @Override public void run() { JPanel gui = new JPanel(new BorderLayout()); final JLabel animation = new JLabel(new ImageIcon(frames[0])); gui.add(animation, BorderLayout.CENTER); ActionListener animate = new ActionListener() { private int index = 0; @Override public void actionPerformed(ActionEvent e) { if (index<frames.length-1) { index++; } else { index = 0; } animation.setIcon(new ImageIcon(frames[index])); } }; final Timer timer = new Timer(200,animate); final JToggleButton b = new JToggleButton("Start/Stop"); ActionListener startStop = new ActionListener() { @Override public void actionPerformed(ActionEvent e) { if (b.isSelected()) { timer.start(); } else { timer.stop(); } } }; b.addActionListener(startStop); gui.add(b, BorderLayout.PAGE_END); JOptionPane.showMessageDialog(null, gui); } }; // Swing GUIs should be created and updated on the EDT // http://docs.oracle.com/javase/tutorial/uiswing/concurrency/initial.html SwingUtilities.invokeLater(r); }}
