public class Test extends JFrame{ Thread threadA; public Test() { // TODO Auto-generated constructor stub Container c = getContentPane(); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(300, 300, 300, 300); setLayout(new FlowLayout()); JButton jb1 = new JButton("开始"); JButton jb2 = new JButton("结束"); threadA = new Thread(new Runnable() { public void run() { while (true) { System.out.println("123456123"); try { Thread.sleep(100); } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } } }); jb1.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub threadA.start(); } }); jb2.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub threadA.stop(); } }); c.add(jb1); c.add(jb2); setVisible(true); } public static void main(String[] args) { new Test(); } }