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Http://edu.csdn.net/heima/heimaline.html

 

 

Package com. wiworld. thinkingjava. worldclock;

Import java. awt. BorderLayout;
Import java. awt. Color;
Import java. awt. Container;
Import java. awt. Graphics;
Import java. awt. Graphics2D;
Import java. awt. event. ActionEvent;
Import java. awt. event. ActionListener;
Import java. awt. geom. Line2D;
Import java. util. Date;
Import java. util. TimeZone;

Import javax. swing. Box;
Import javax. swing. BoxLayout;
Import javax. swing. JButton;
Import javax. swing. JFrame;
Import javax. swing. JLabel;
Import javax. swing. JPanel;
Import javax. swing. JSplitPane;
Import javax. swing. JTextField;

Import sun. awt. HorizBagLayout;

Public class ClockFrame extends JFrame {

Private static final int WIDTH = 600;
Private static final int HEIGHT = 600;
 
Final JPanel panel = new JPanel ();

Private static final String places [] = {"E1", "E2", "E3", "E4", "E5", "E6", "E7 ", "E8", "E9", "E10", "E11", "E12 ",
"W12", "W11", "W10", "W9", "W8", "W7", "W6", "W5", "W4", "W3 ", "W2", "W1 "};

 

Private boolean bolFirstDraw = true;

Public ClockFrame (){

InitData ();

Container contentContainer = getContentPane ();

 

Panel. setBackground (new Color (0x909090 ));
ContentContainer. add (panel, BorderLayout. CENTER );

JButton startButton = new JButton ("Start Draw ");
ContentContainer. add (startButton, BorderLayout. SOUTH );
 
StartButton. addActionListener (new ActionListener (){
Public void actionreceivmed (ActionEvent event ){

BolFirstDraw = true;
 
InitData ();
New Thread (){
Public void run (){
While (true/* index <TIMES */){
 
Try {
Thread. sleep (1000 );
BolFirstDraw = true;
} Catch (InterruptedException e ){
// TODO Auto-generated catch block
E. printStackTrace ();
}

Draw (panel. getGraphics ());

// Index ++;
 
}
 
}
}. Start ();
}
});

SetSize (WIDTH, HEIGHT + 100 );
Setdefaclocloseoperation (JFrame. EXIT_ON_CLOSE );
SetVisible (true );
}

Private void initData (){
 
}

 

Public void draw (Graphics g ){
 
If (g = null ){
System. out. println ("Panel. paint. Graphics is null ");
Return;
}
// If (bolFirstDraw ){
// G. clipRect (0, 0, WIDTH, HEIGHT );
// G. clearRect (0, 0, WIDTH, HEIGHT );
// G. setColor (new Color (0x909090 ));
// G. fillRect (0, 0, WIDTH, HEIGHT );
//}

// Draw chess base

If (bolFirstDraw ){
BolFirstDraw = false;
Int startX = 50;
Int startY = 50;
Int clockW = 500;
Int clockH = 500;
Int arcangles = 360;
Int size = 24;

Int startOffset = 50;
Int clockOffset =-startOffset * 2;

Int sectionAngle = arcAngle/size;

Date today = new Date ();
Int hour = today. getHours ();
Int min = today. getMinutes ();
Int second = today. getSeconds ();
Int timeZone = today. getTimezoneOffset ()/60;
 
Int currentTimeAngle = timeZone * 360/24 + hour * 360/24 + min * sectionAngle/60;

 

// Draw time zone
For (int I = 0; I <size; I ++ ){
If (I % 2 = 0 ){
G. setColor (Color. black );
} Else {
G. setColor (Color. white );
}
 
G. fillArc (startX, startY, clockW, clockH, I * sectionAngle, sectionAngle );

}
 
// Draw world zone
For (int I = 0; I <size; I ++ ){
If (I % 2 = 0 ){
G. setColor (Color. red );
} Else {
G. setColor (Color. blue );
}
G. fillArc (startX + startOffset, startY + startOffset, clockW + clockOffset, clockH + clockOffset, I * sectionAngle + currentTimeAngle, sectionAngle );
}

 

// Draw 24 time
For (int I = 0; I <size; I ++ ){
G. setColor (Color. green );
G. drawString ("" + (I + 1), (int) (startX + clockW/2 + clockW/2 * Math. sin (I * sectionAngle * Math. PI/180), (int) (startY + clockH/2 + clockH/2 * Math. cos (I * sectionAngle * Math. PI/180 )));
}

// Draw 24 place
For (int I = 0; I <size; I ++ ){
G. setColor (Color. pink );
G. drawString (places [I], (int) (startX + startOffset + (clockW + clockOffset)/2 + (clockW + clockOffset)/2 * Math. sin (I * sectionAngle + currentTimeAngle) * Math. PI/180), (int) (startY + startOffset + (clockH + clockOffset)/2 + (clockH + clockOffset)/2 * Math. cos (I * sectionAngle + currentTimeAngle) * Math. PI/180 )));
}

G. setColor (Color. yellow );
// G. fillArc (startX + startOffset, startY + startOffset, clockW + clockOffset, clockH + clockOffset, second * 6, 1 );
G. drawLine (startX + startOffset + (clockW + clockOffset)/2, startY + startOffset + (clockH + clockOffset)/2, (int) (startX + startOffset + (clockW + clockOffset) /2 + (clockW + clockOffset)/2 * Math. sin (-second * 6) * Math. PI/180), (int) (startY + startOffset + (clockH + clockOffset)/2 + (clockH + clockOffset)/2 * Math. cos (-second * 6) * Math. PI/180 )));
}

 


G. clipRect (0, 0, WIDTH, HEIGHT );
}

 

 
 

Private int getRandomX (){
Return (int) (Math. random () * WIDTH );
}

Private int getRandomY (){
Return (int) (Math. random () * HEIGHT );
}

Private int getRandomWidth (){
Return (int) (Math. random () * (WIDTH/7 ));
}

Private int getRandomHeight (){
Return (int) (Math. random () * (HEIGHT/7 ));
}

 

Public static void main (String [] args ){
ClockFrame client = new ClockFrame ();
}
}