求大神指教，怎样把日期代码和时钟在同一个框里显示出来啊？
我想把日期和时钟加到一起，在同一个框里显示，可是不知道怎么弄，就像windows的日期一样显示出来，布局上也不清楚用哪一个，求大神指教啊。代码如下：
日期：package fancy;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
public class MyCalendar extends JApplet {
public static final String WEEK_SUN = "星期日";
public static final String WEEK_MON = "星期一";
public static final String WEEK_TUE = "星期二";
public static final String WEEK_WED = "星期三";
public static final String WEEK_THU = "星期四";
public static final String WEEK_FRI = "星期五";
public static final String WEEK_SAT = "星期六";
public static final Color background = Color.white;
public static final Color foreground = Color.black;
public static final Color headerBackground = Color.blue;
public static final Color headerForeground = Color.white;
public static final Color selectedBackground = Color.blue;
public static final Color selectedForeground = Color.white;
private JPanel cPane;
private JLabel yearsLabel;
private JSpinner yearsSpinner;
private JLabel monthsLabel;
private JComboBox monthsComboBox;
private JTable daysTable;
private AbstractTableModel daysModel;
private Calendar calendar;
public MyCalendar() {
cPane = (JPanel) getContentPane();
}
public void init() {
cPane.setLayout(new BorderLayout());
calendar = Calendar.getInstance();
calendar = Calendar.getInstance();
yearsLabel = new JLabel("年份: ");
yearsSpinner = new JSpinner();
yearsSpinner.setEditor(new JSpinner.NumberEditor(yearsSpinner, "0000"));
yearsSpinner.setValue(new Integer(calendar.get(Calendar.YEAR)));
yearsSpinner.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent changeEvent) {
int day = calendar.get(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.YEAR, ((Integer) yearsSpinner.getValue()).intValue());
int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH, day > maxDay ? maxDay : day);
updateView();
}
});
JPanel yearMonthPanel = new JPanel();
cPane.add(yearMonthPanel, BorderLayout.NORTH);
yearMonthPanel.setLayout(new BorderLayout());
yearMonthPanel.add(new JPanel(), BorderLayout.CENTER);
JPanel yearPanel = new JPanel();
yearMonthPanel.add(yearPanel, BorderLayout.WEST);
yearPanel.setLayout(new BorderLayout());
yearPanel.add(yearsLabel, BorderLayout.WEST);
yearPanel.add(yearsSpinner, BorderLayout.CENTER);
monthsLabel = new JLabel("月份: ");
monthsComboBox = new JComboBox();
for (int i = 1; i <= 12; i++) {
monthsComboBox.addItem(new Integer(i));
}
monthsComboBox.setSelectedIndex(calendar.get(Calendar.MONTH));
monthsComboBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
int day = calendar.get(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.MONTH, monthsComboBox.getSelectedIndex());
int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH, day > maxDay ? maxDay : day);
updateView();
}
});
JPanel monthPanel = new JPanel();
yearMonthPanel.add(monthPanel, BorderLayout.EAST);
monthPanel.setLayout(new BorderLayout());
monthPanel.add(monthsLabel, BorderLayout.WEST);
monthPanel.add(monthsComboBox, BorderLayout.CENTER);
daysModel = new AbstractTableModel() {
public int getRowCount() {
return 7;
}
public int getColumnCount() {
return 7;
}
public Object getValueAt(int row, int column) {
if (row == 0) {
return getHeader(column);
}
row--;
Calendar calendar = (Calendar) MyCalendar.this.calendar.clone();
calendar.set(Calendar.DAY_OF_MONTH, 1);
int dayCount = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
int moreDayCount = calendar.get(Calendar.DAY_OF_WEEK) - 1;
int index = row * 7 + column;
int dayIndex = index - moreDayCount + 1;
if (index < moreDayCount || dayIndex > dayCount) {
return null;
} else {
return new Integer(dayIndex);
}
}
};
daysTable = new CalendarTable(daysModel, calendar);
daysTable.setCellSelectionEnabled(true);
daysTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
daysTable.setDefaultRenderer(daysTable.getColumnClass(0), new TableCellRenderer() {
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column) {
String text = (value == null) ? "" : value.toString();
JLabel cell = new JLabel(text);
cell.setOpaque(true);
if (row == 0) {
cell.setForeground(headerForeground);
cell.setBackground(headerBackground);
} else {
if (isSelected) {
cell.setForeground(selectedForeground);
cell.setBackground(selectedBackground);
} else {
cell.setForeground(foreground);
cell.setBackground(background);
}
}
return cell;
}
});
updateView();
cPane.add(daysTable, BorderLayout.CENTER);
}
public static String getHeader(int index) {
switch (index) {
case 0:
return WEEK_SUN;
case 1:
return WEEK_MON;
case 2:
return WEEK_TUE;
case 3:
return WEEK_WED;
case 4:
return WEEK_THU;
case 5:
return WEEK_FRI;
case 6:
return WEEK_SAT;
default:
return null;
}
}
public void updateView() {
daysModel.fireTableDataChanged();
daysTable.setRowSelectionInterval(calendar.get(Calendar.WEEK_OF_MONTH),
calendar.get(Calendar.WEEK_OF_MONTH));
daysTable.setColumnSelectionInterval(calendar.get(Calendar.DAY_OF_WEEK) - 1,
calendar.get(Calendar.DAY_OF_WEEK) - 1);
}
public static class CalendarTable extends JTable {
private Calendar calendar;
public CalendarTable(TableModel model, Calendar calendar) {
super(model);
this.calendar = calendar;
}
public void changeSelection(int row, int column, boolean toggle, boolean extend) {
super.changeSelection(row, column, toggle, extend);
if (row == 0) {
return;
}
Object obj = getValueAt(row, column);
if (obj != null) {
calendar.set(Calendar.DAY_OF_MONTH, ((Integer)obj).intValue());
}
}
}
public static void main(String[] args) {
JFrame frame = new JFrame("Calendar Application");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MyCalendar myCalendar = new MyCalendar();
myCalendar.init();
frame.getContentPane().add(myCalendar);
frame.setSize(500, 175);
frame.show();
}
}
时钟：
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.Timer;
public class TestClock{ public static void main(String[] args)
{ Frame win = new Frame();
Label label = new Label();
win.add(new Clock(),BorderLayout.CENTER);
win.add(label,BorderLayout.SOUTH);
win.setVisible(true);
win.setSize(246,280);
win.validate();
win.addWindowListener( new WindowAdapter()
{ public void windowClosing(WindowEvent e)
{ System.exit(0);
}
} );
new Thread(new TestThread(label)).start();
}
}
class TestThread implements Runnable{ Label label;
TestThread(Label label)
{ this.label = label;
}
public void run()
{ while(true)
{ label.setText(new SimpleDateFormat("HH:mm:ss").format(new Date()));
try
{ Thread.sleep(1000);
}
catch (InterruptedException e) { e.printStackTrace();
}
}
}
}
class Clock extends Canvas implements ActionListener{ /** * */ private static final long serialVersionUID = 1L;
Date date;
Timer secondTime;
int hour,munite,second; Line2D secondLine,muniteLine,hourLine;
int a,b,c;
double pointSX[] = new double[60], pointSY[] = new double[60], pointMX[] = new double[60], pointMY[] = new double[60], pointHX[] = new double[60], pointHY[] = new double[60];
Clock(){ secondTime = new Timer(1000,this);
pointSX[0]=0;
pointSY[0]=-100;
pointMX[0]=0;
pointMY[0]=-90;
pointHX[0]=0;
pointHY[0]=-70;
double adgle=6*Math.PI/180;
for(int i=0;i<59;i++)
{
pointSX[i+1]=pointSX[i]*Math.cos(adgle)-Math.sin(adgle)*pointSY[i];
pointSY[i+1]=pointSY[i]*Math.cos(adgle)+Math.sin(adgle)*pointSX[i];
pointMX[i+1]=pointMX[i]*Math.cos(adgle)-Math.sin(adgle)*pointMY[i];
pointMY[i+1]=pointMY[i]*Math.cos(adgle)+Math.sin(adgle)*pointMX[i]; pointHX[i+1]=pointHX[i]*Math.cos(adgle)-Math.sin(adgle)*pointHY[i]; pointHY[i+1]=pointHY[i]*Math.cos(adgle)+Math.sin(adgle)*pointHX[i]; } for(int i=0;i<60;i++){ pointSX[i] = pointSX[i]+120; pointSY[i] = pointSY[i]+120; pointMX[i] = pointMX[i]+120; pointMY[i] = pointMY[i]+120; pointHX[i] = pointHX[i]+120; pointHY[i] = pointHY[i]+120; } secondLine = new Line2D.Double(0,0,0,0); muniteLine = new Line2D.Double(0,0,0,0); hourLine = new Line2D.Double(0,0,0,0); secondTime.start(); } public void paint(Graphics g){ for(int i=0;i<60;i++){ int m = (int)pointSX[i]; int n = (int)pointSY[i]; if(i%5==0){ g.setColor(Color.red); g.fillOval(m-4, n-4, 8, 8); }else{ g.setColor(Color.cyan); g.fillOval(m-2, n-2, 4, 4); } g.fillOval(115, 115, 10, 10); Graphics2D g_2d = (Graphics2D)g; g_2d.setColor(Color.red); 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));
int h = hour%12;
a = second;
b = munite;
c = h*5+munite/12;
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();
}
}
}
