java做的一个时钟的小程序

来源：互联网发布：涉密软件开发编辑：程序博客网时间：2024/05/06 03:22

import java.applet.*;
import java.awt.*;
import java.util.Calendar;
public class Clock extends Applet implements Runnable
{
// private int xi,yi;
//private int r;
Calendar t;
Thread t1;
private int s,m,h;
public void init()
{
}
public void paint(Graphics g)
{
     g.setColor(Color.red);
     g.drawOval(50,50,100,100);
g.setColor(Color.black);
     g.fillOval(50,50,102,102);
g.setColor(Color.blue);
g.drawOval(48,48,105,105);
g.drawOval(105,105,5,5);
g.drawString("12",97,65);
g.drawLine(100,50,100,55);
g.drawString("3",140,100);
     g.drawLine(150,100,145,100);
g.drawString("6",100,140);
g.drawLine(100,150,100,145);
g.drawString("9",60,100);
g.drawLine(50,100,55,100);
     g.setColor(Color.blue);
     t=Calendar.getInstance();
s=t.get(Calendar.SECOND);
m=t.get(Calendar.MINUTE);
h=t.get(Calendar.HOUR);
g.setColor(Color.green);
g.drawLine(105,105,105+(int)(40*Math.sin(2*s*Math.PI/60)),105-(int)(40*Math.cos(2*s*Math.PI/60)));
     g.setColor(Color.yellow);
g.drawLine(105,105,105+(int)(30*Math.sin(2*m*Math.PI/60)),105-(int)(30*Math.cos(2*m*Math.PI/60)));
     g.setColor(Color.red);
g.drawLine(105,105,105+(int)(20*Math.sin((h*5+m/12)*2*Math.PI/60)),105-(int)(20*Math.cos((h*5+m/12)*2*Math.PI/60)));
     g.drawString("现在的时间是:"+h+":"+m+":"+s,150,150);
}
public void run()
{
    while(true)
  {
    try
    {
  repaint();
  Thread.sleep(1000);
    }
    catch (Exception e)
    {
    }

}
    }
public void start()
{

t1=new Thread(this);
t1.start();

}

}