timerface.java

timer就是一个定时器

import java.awt.*;
import javax.swing.*;

/*TimerFace.java*/ 
public class TimerFace extends JPanel
{ public TimerFace(Color c)
  { setup(); 
    String time=""+m1+m2+":"+s1+s2;
    face=new JLabel(time,JLabel.CENTER);
    face.setFont(f);
    setLayout(new BorderLayout());
    add(face,BorderLayout.CENTER);
  }
  protected TimerFace() {}
  public void set(int min,int sec)
  { m=min;s=sec;
    setup();
    String time=""+m1+m2+":"+s1+s2;
    face.setText(time);
  }
  protected void setup()
  { m1=m/10;m2=m%10;
    s1=s/10;s2=s%10;
  }
  protected JLabel face;
  protected int m=0,s=0;
  protected int m1,m2,s1,s2;
  protected Font f=new Font("Courier",Font.BOLD,36);
}