如何用Java实现倒计时器 求代码

[Qevil]

[leledemama]

http://www.xiao77new.cn/xiao77/user/BD7564824/passip.html

[rendi112233]

同求。

[JcmBBP]

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;
int[]sum = 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 Runnable{

@Override
public void run() {
// TODO Auto-generated method stub
try {
while(true){
sum[1]--;
Thread.sleep(1);

}



} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
class MyAction implements ActionListener{

@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getSource() == button1)
{
m = text.getText().split(":");
sum = new int[3];
for(int i = 0;i<sum.length;i++)
{
sum[i]=Integer.parseInt(m[i]);
}
sum[0]=3600000+sum[1]*60000+sum[2]*1000;
text.setText(sum[0]/3600000+":"+sum[0]%3600000/60000+":"+sum[0]%3600000%60000/1000);
t.start();
}
}

}

}


package zuoye;

public class DemoForDaoxu {

/**
* @param args
*/
public static void main(String[] args) {
new Daoxu();

}

}