clocklabel.java

企业内部管理系统

package model;

import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;

import javax.swing.JLabel;

public class ClockLabel extends JLabel implements Runnable{
	private Thread clockthread = null;
	public ClockLabel(){
		if(clockthread == null){
			clockthread = new Thread(this,"clock");
			clockthread.start();
		}
	}
	public void run() {
		// TODO Auto-generated method stub
		while(true){
			Calendar cal = Calendar.getInstance();
			Date date = cal.getTime();
			DateFormat dateformatter = DateFormat.getTimeInstance();
			this.setText(dateformatter.format(date));
			try{
				Thread.sleep(1000);
			}catch(Exception e){
				e.printStackTrace();
			}
		}
	}
	public Thread getClockthread(){
		return clockthread;
	}
	
}