java 写的小时钟

/*java 写的小时钟

Email:shun_shun@21cn.com
 

三叶

*/


import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Calendar;
public class Watch extends Frame {

/**
   * @param args
   */


final int ScreenSize=400;

double h,m,s;
int year,month,day,week;
String str;
Calendar cal;
Font f=new Font("楷体_GB2312",1,30);
Image   img=Toolkit.getDefaultToolkit().getImage("b.gif");
Image offScreenImage=null;
     final double corner=Math.PI/30;
//g.fillOval(15, 40, ScreenSize-20, ScreenSize-20);
final int centerx=15+(ScreenSize-20)/2;
final int centery=40+(ScreenSize-20)/2;

final int hlength=100,mlength=125,slength=140;

public void setFrame(){
  
   this.addWindowListener(new WindowAdapter(){

    @Override
    public void windowClosing(WindowEvent arg0) {
     // TODO Auto-generated method stub
     System.exit(0);
    }
   
   
   });
  
   this.setSize(ScreenSize+10,ScreenSize+40);
   this.setLocation(200, 200);
   this.setResizable(false);
   this.setTitle("钟表");
   this.setVisible(true);
  
     
   Thread t=new Thread(new SetDate());
   t.start();
  
  
} 

   public void paint(Graphics g){
   
      Color c=g.getColor();
      Font fb=g.getFont();
      h=cal.get(Calendar.HOUR);
   m=cal.get(Calendar.MINUTE);
   s=cal.get(Calendar.SECOND);
  
  
  
   year=cal.get(Calendar.YEAR);
   month=cal.get(Calendar.MONTH)+1;
   day=cal.get(Calendar.DAY_OF_MONTH);
   week=cal.get(Calendar.DAY_OF_WEEK);
  
   g.drawString(year+"-"+month+"-"+day+"   "+week, 100, 100);
  
   g.setFont(f);
      
   str=Double.valueOf(h).intValue()+" : "+Double.valueOf(m).intValue()+" : "+Double.valueOf(s).intValue();
  
   g.setFont(fb);
  
   g.fillOval(5,30, ScreenSize, ScreenSize);
  
   g.setColor(Color.white);
   g.fillOval(15, 40, ScreenSize-20, ScreenSize-20);
   g.setColor(c);
   g.setFont(f);

  
   g.setFont(fb);
   g.setColor(Color.red);
   g.drawString(str, 10, 50);
   g.setColor(c);
  

  
   int x1,y1;
   int j=0;
   g.setFont(f);
   for(int i=0;i<60;){
   
     x1=centerx+Double.valueOf(175*Math.sin(i*corner)).intValue()-12;
     y1=centery-Double.valueOf(175*Math.cos(i*corner)).intValue()+10;
    if(j!=0)g.drawString(String.valueOf(j), x1, y1);else{g.drawString("12", x1, y1);}
    j++;
     i+=5;
   
    }
   g.setFont(fb);
   for(int i=0;i<60;i++){
    x1=centerx+Double.valueOf(155*Math.sin(i*corner)).intValue();
    y1=centery-Double.valueOf(155*Math.cos(i*corner)).intValue();
   if(i%5!=0)g.fillOval(x1, y1, 5, 5);
   else{
    g.setColor(Color.red);
    g.fillOval(x1-1, y1-1, 8, 8);
    g.setColor(c);
   };
   }
  
   Graphics2D g2d=(Graphics2D)g;
   BasicStroke bs=(BasicStroke)g2d.getStroke();
  
    
   g2d.setStroke(new BasicStroke(2.0f));
    x1=centerx+Double.valueOf(slength*Math.sin(s*corner)).intValue();
    y1=centery-Double.valueOf(slength*Math.cos(s*corner)).intValue();
   g.drawLine(x1, y1, centerx, centery);
  
   g2d.setStroke(new BasicStroke(4.0f));
    x1=centerx+Double.valueOf(mlength*Math.sin((m+s/60)*corner)).intValue();
    y1=centery-Double.valueOf(mlength*Math.cos((m+s/60)*corner)).intValue();
   g.drawLine(x1, y1, centerx, centery);
  
   g2d.setStroke(new BasicStroke(8.0f));
    x1=centerx+Double.valueOf(hlength*Math.sin(5*(h+m/60)*corner)).intValue();
    y1=centery-Double.valueOf(hlength*Math.cos(5*(h+m/60)*corner)).intValue();
   g.drawLine(x1, y1, centerx, centery);
  
   g2d.setStroke(bs);
  
  
  
     g.setColor(Color.black);
    g.fillOval(centerx-6, centery-6, 12, 12);
    g.setColor(Color.red);
    g.fillOval(centerx-2, centery-2, 4, 4);
    g.setColor(c);
    g.setFont(new Font("楷体_GB2312",1,20));
    g.drawString(year+"年"+month+"月"+day+"日", 135, 300);
    g.drawString("星期"+week, 170, 330);
       g.setFont(fb);
   //g.drawLine(15+(ScreenSize-20)/2, 0, 15+(ScreenSize-20)/2, this.getHeight());
   //g.drawLine(0, 40+(ScreenSize-20)/2, this.getWidth(), 40+(ScreenSize-20)/2);

   }
  
  
   public void paintfinger(int s,Graphics g){

    int x1=centerx+Double.valueOf(slength*Math.sin(s*corner)).intValue();
   int y1=centery-Double.valueOf(slength*Math.cos(s*corner)).intValue();
   g.drawLine(x1, y1, centerx, centery);
   
   
   }
  
   public void update(Graphics g){
    if(offScreenImage==null){
   
    offScreenImage=this.createImage(ScreenSize+40,ScreenSize+40);
    }
  
  
   Graphics goffScreenImage=offScreenImage.getGraphics();
  
   Color c=g.getColor();
   goffScreenImage.setColor(Color.green);
   goffScreenImage.fillRect(0, 0, 500,500);
   goffScreenImage.setColor(c);
      this.paint(goffScreenImage);
      g.drawImage( offScreenImage,0,0, null);
     
    

   
   }


public static void main(String[] args) {
  
   Watch f=new Watch();
   f.setFrame();

  

}

   class SetDate implements Runnable{
   
   
   
   
    public void run() {
    while(true) {
     repaint();
     cal=Calendar.getInstance();
    
     try {
      Thread.sleep(200);
     } catch (InterruptedException e) {
      // TODO 自动生成 catch 块
      e.printStackTrace();
     }
   
           }
     }

    }




}