动态时钟java实现

固定钟表的实现 import java awt import javax swing import java util public class StillClock extends JPanel private int hour private int minute private int second public StillClock setCurrentTime void setCurrentTime Calendar calendar new GregorianCalendar this hour calendar get Calendar HOUR OF DAY this minute calendar get Calendar MINUTE this second calendar get Calendar SECOND public StillClock int hour int minute int second this hour hour this minute minute this second second public int getHour return hour public void setHour int hour this hour hour repaint public int getMinute return minute public void setMinute int minute this minute minute repaint public int getSecond return minute public void setSecond int second this second second repaint protected void paintComponent Graphics g super paintComponent g int clockradius int Math min getWidth getHeight 0 4 int x getWidth 2 int y getHeight 2 g drawOval x clockradius y clockradius 2 clockradius 2 clockradius g drawString 12 x 5 y clockradius 12 g drawString 9 x clockradius 3 y 5 g drawString 3 x 10 clockradius y 3 g drawString 6 x 3 y clockradius 3 g drawString 1 int x clockradius Math sin Math PI 6 5 int y clockradius Math cos Math PI 6 10 g drawString 2 int x clockradius Math sin Math PI 3 8 int y clockradius Math cos Math PI 3 10 g drawString 4 int x clockradius Math cos Math PI 6 8 int y clockradius Math sin Math PI 6 g drawString 5 int x clockradius Math cos Math PI 3 4 int y clockradius Math sin Math PI 3 2 g drawString 7 int x clockradius Math sin Math PI 6 int y clockradius Math cos Math PI 6 g drawString 8 int x clockradius Math sin Math PI 3 2 int y clockradius Math cos Math PI 3 2 g drawString 10 int x clockradius Math cos Math PI 6 int y clockradius Math sin Math PI 6 10 g drawString 11 int x clockradius Math cos Math PI 3 2 int y clockradius Math sin Math PI 3 10 int sl int clockradius 0 9 int sx int x sl Math sin second 2 Math PI 60 int sy int y sl Math cos second 2 Math PI 60 g setColor Color red g drawLine x y sx sy int ml int clockradius 0 75 int mx int x ml Math sin minute second 60 2 Math PI 60 int my int y ml Math cos minute second 60 2 Math PI 60 g setColor Color blue g drawLine x y mx my int hl int clockradius 0 5 int hx int x hl Math sin hour 12 minute 60 0 second 60 0 60 0 2 Math PI 12 int hy int y hl Math cos hour 12 minute 60 0 second 60 0 60 0 2 Math PI 12 g setColor Color BLACK g drawLine x y hx hy public Dimension getPreferredSize return new Dimension 200 200 动态钟表的实现 引用静态钟表类 import java awt BorderLayout import java awt Panel import java awt event import javax swing public class clockanimation extends JFrame private static final long serialVersionUID 1L private StillClock clock new StillClock public clockanimation add clock TimerListener T new TimerListener Timer time new Timer 1000 T time start private class TimerListener implements ActionListener Override public void actionPerformed ActionEvent e TODO Auto generated method stub clock setCurrentTime clock repaint public static void main String args TODO Auto generated method stub clockanimation frame new clockanimat