java倒计时器代码.doc

package zuoye;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.Calendar;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JTextField;public class Daoxu extends JFrame int count;String m = null;intsum = null;boolean flag = true;JPanel panel = null;JTextField text = null;JButton button1 = null;MyThread thread = null;Thread t = null;Daoxu()init();this.setTitle(倒计时);this.setDefaultCloseOperation(this.EXIT_ON_CLOSE);this.pack();this.setVisible(true);void init()panel = new JPanel();text = new JTextField(10);MyAction e =new MyAction();button1 = new JButton(倒计时开始);button1.addActionListener(e);thread = new MyThread();t = new Thread(thread);panel.add(text);panel.add(button1);this.add(panel);class MyThread implements RunnableOverridepublic void run() / TODO Auto-generated method stubtry while(true)sum1-;Thread.sleep(1); catch (InterruptedException e) / TODO Auto-generated catch blocke.printStackTrace(); class MyAction implements ActionListenerOverridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubif(e.getSource() = button1)m = text.getText().split(:);sum = new int3;for(int i = 0;isum.length;i+)sumi=Integer.parseInt(mi);sum0=3600000+sum1*60000+sum2*1000;text.setText(sum0/3600000+:+sum0%3600000/60000+:+sum0%3600000%60000/1000); t.start();package zuoye;public class Dem