clocklabel.java~1~

用JAVA 编写的宾馆管理系统

package hotel2;

import java.awt.*;
import javax.swing.JLabel;
import java.util.*;
import java.text.DateFormat;

/**
 * <p>Title: 客房官理系统</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author 杨淳
 * @version 1.0
 */



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()
        {
          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){}
            }

         }

}