- //package com.clock;
- import java.awt.BasicStroke;
- import java.awt.Color;
- import java.awt.Font;
- import java.awt.Graphics;
- import java.awt.Graphics2D;
- import java.awt.Insets;
- import java.awt.event.ActionEvent;
- import java.awt.event.ActionListener;
- import java.awt.event.WindowAdapter;
- import java.awt.event.WindowEvent;
- import java.util.Calendar;
- import java.util.GregorianCalendar;
- import javax.swing.*;
- import javax.swing.JFrame;
- public class Clock extends JFrame implements ActionListener{
- private final double RAD=Math.PI/180;
- public Clock(){
- super("Clock");
- setSize(400, 400);
- setLocation(400, 200);
- setVisible(true);
- setResizable(true);
- setBackground(Color.white);
- addWindowListener(new WindowAdapter() {
- @Override
- public void windowClosing(WindowEvent e) {
- System.exit(0);
- }
- });
- ActionListener drawClock=new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- repaint();
- }
- };
- new Timer(1000,drawClock).start();
- }
- @Override
- public void actionPerformed(ActionEvent e) {}
- public void paint(Graphics g){
- Graphics2D g2=(Graphics2D)g;
- Insets insert=getInsets();
- int h=getSize().height;
- g2.setStroke(new BasicStroke(3.0f));
- g.drawOval(40,40, h-80,h-80);
- int r=200;
- int R1=140;
- int initRad=60;
- for(int i=1;i<=5;i++){
- int x0= (int) (r+R1*Math.cos(RAD*initRad));
- int y0= (int) (r-R1*Math.sin(RAD*initRad));
- g.setFont(new Font("楷体", Font.BOLD, 20));
- g.drawString(""+i, x0, y0);
- initRad-=30;
- }
- int R2=150;
- int initRad2=-120;
- for(int i=7;i<=11;i++){
- int x0= (int) (r+R2*Math.cos(RAD*initRad2));
- int y0= (int) (r-R2*Math.sin(RAD*initRad2));
- g.setFont(new Font("楷体", Font.BOLD, 20));
- g.drawString(""+i, x0, y0);
- initRad2-=30;
- }
- g.drawString("6", 190, 350);
- g.drawString("12", 190, 60);
- Calendar now=new GregorianCalendar();
- int hour=now.get(Calendar.HOUR_OF_DAY);
- int minute=now.get(Calendar.MINUTE);
- int second=now.get(Calendar.SECOND);
- String time;
- if(hour<10){time="0"+hour;}else{time=""+hour;}
- if(minute<10){time+=":0"+minute;}else{time+=":"+minute;}
- if(second<10){time+=":0"+second;}else{time+=":"+second;}
- g.setColor(Color.WHITE);
- g.fillRect(10, 30, 90, 28);
- g.setColor(Color.red);
- g.drawString(time, 10, 50);
- int S=90-second*6;
- int M=90-minute*6;
- int H=90-hour*30-minute/2;
- g2.setStroke(new BasicStroke(1.0f));
- int x=(int) (200+130*Math.cos(RAD*S));
- int y=(int) (200-130*Math.sin(RAD*S));
- int SS=90-(second-1)*6;
- int xx=(int) (200+130*Math.cos(RAD*SS));
- int yy=(int) (200-130*Math.sin(RAD*SS));
- g.setColor(getBackground());
- g.drawLine(200, 200, xx, yy);
- g.setColor(Color.black);
- g.drawLine(200, 200, x, y);
- g2.setStroke(new BasicStroke(2.2f));
- int x1=(int) (200+110*Math.cos(RAD*M));
- int y1=(int) (200-110*Math.sin(RAD*M));
- int MM=90-(minute-1)*6;
- int x11=(int) (200+110*Math.cos(RAD*MM));
- int y11=(int) (200-110*Math.sin(RAD*MM));
- g.setColor(getBackground());
- g.drawLine(200, 200, x11, y11);
- g.setColor(Color.blue);
- g.drawLine(200, 200, x1, y1);
- g2.setStroke(new BasicStroke(4.3f));
- int xx1=(int) (200+90*Math.cos(RAD*H));
- int yy1=(int) (200-90*Math.sin(RAD*H));
- int HH=90-(hour-1)*30-minute/2;;
- int xxx1=(int) (200+90*Math.cos(RAD*HH));
- int yyy1=(int) (200-90*Math.sin(RAD*HH));
- g.setColor(Color.white);
- g.drawLine(200, 200, xxx1, yyy1);
- g.setColor(Color.green);
- g.drawLine(200, 200, xx1, yy1);
- }
- public static void main(String[] args) {
- new Clock();
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/0704201512123.html
来源: http://www.codesnippet.cn/detail/0704201512123.html