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java时钟代码及其详解 java 时钟( 二 )

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g_2d.draw(secondLine);
BasicStroke bs = new BasicStroke(3f, BasicStroke.CAP_ROUND,
BasicStroke.JOIN_MITER);
g_2d.setStroke(bs);
g_2d.setColor(Color.blue);
g_2d.draw(muniteLine);
bs = new BasicStroke(6f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER);
g_2d.setStroke(bs);
g_2d.setColor(Color.green);
g_2d.draw(hourLine);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == secondTime) {
date = new Date();
String s = date.toString();
hour = Integer.parseInt(s.substring(11, 13));
munite = Integer.parseInt(s.substring(14, 16));
second = Integer.parseInt(s.substring(17, 19)); // 获取时间中的秒
int h = hour % 12;
a = second; // 秒针端点的坐标
b = munite; // 分针端点的坐标
c = h * 5 + munite / 12; // 时针端点的坐标
secondLine.setLine(120, 120, (int) pointSX[a], (int) pointSY[a]);
muniteLine.setLine(120, 120, (int) pointMX[b], (int) pointMY[b]);
hourLine.setLine(120, 120, (int) pointHX[c], (int) pointHY[c]);
repaint();
}
if (e.getSource() == jb) {
secondTime.start();
}
if (e.getSource() == jb1) {
secondTime.stop();
}
}
public static void main(String args[]) {
JFrame win = new JFrame("时钟");
JPanel jp = new JPanel();
jp.add(jb);
jp.add(jb1);
ClockAs clock = new ClockAs();
jb.addActionListener(clock);
jb1.addActionListener(clock);
win.add(clock, BorderLayout.CENTER);
win.add(jp, "South");
win.setVisible(true);
win.setSize(246, 300);
win.setDefaultCloseOperation(3);
win.validate();
}
}
JAVA画时钟代码import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import sun.util.calendar.Gregorian;
import java.util.Calendar;
import java.util.GregorianCalendar;
public class ClockPointer extends JFrame{
int x, y, x0, y0, r, h, olds_x, olds_y, oldm_x, oldm_y, oldh_x, oldh_y,
ss,mm, hh, old_m, old_h, ang;
final double RAD = Math.PI/180;
public ClockPointer(){
super("Java时钟");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Image image = getToolkit().getImage("clock.gif");
setIconImage(image);
setSize(400,400);
setBackground(Color.white);
//setLocation(300,150);
this.setLocationRelativeTo(null);
setResizable(true);
int delay = 1000;
//创建一个监听事件
setVisible(true);
ActionListener drawClock = new ActionListener(){
public void actionPerformed(ActionEvent evt){
repaint();
}
};
//创建一个时间计数器java时钟代码及其详解，每一秒触发一次
new Timer(delay, drawClock).start();
}
java.text.SimpleDateFormat fmTime = new java.text.SimpleDateFormat("HH:mm:ss");
//绘制图形
public void paint(Graphics g){
super.paint(g);
g.setFont(null);
Graphics2D g2D = (Graphics2D)g;
Insets insets = getInsets();
int L = insets.left/2, T = insets.top/2;
h = getSize().height;
g.setColor(Color.white);
//画圆
g2D.setStroke(new BasicStroke(2.0f));
g.setColor(Color.gray);
g.drawOval(L+40, T+40, h-80, h-80);
r = h/2 - 40;
x0 = 40 + r - 5 + L;
y0 = 40 + r - 5 - T;
ang = 60;
//绘制时钟上java时钟代码及其详解的12个字
for(int i = 1;i = 12;i ++){
x = (int)((r+10)*Math.cos(RAD*ang)+x0);
y = (int)((r+10)*Math.sin(RAD*ang)+y0);
g.setColor(Color.black);
g.drawString(""+i, x, h-y);
ang -=30;
}
//获得现在的时间
Calendar now = new GregorianCalendar();
int nowh = now.get(Calendar.HOUR_OF_DAY);
int nowm = now.get(Calendar.MINUTE);
int nows = now.get(Calendar.SECOND);
String st=fmTime.format(now.getTime());

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