java显示对话框源代码 java对话框窗体显示

求windows时间和日期属性对话框java源代码

import java.awt.*;

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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 = "SUN";

public static final String WEEK_MON = "MON";

public static final String WEEK_TUE = "TUE";

public static final String WEEK_WED = "WED";

public static final String WEEK_THU = "THU";

public static final String WEEK_FRI = "FRI";

public static final String WEEK_SAT = "SAT";

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("Year: ");

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("Month: ");

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(240, 172);

frame.show();

}

}

Java中怎样在菜单栏中点击一下就弹出一个对话框，怎样设置能不能把它的源代码发送我邮箱254073460@qq.com

//这是刚写的，不知道是否满足你要求，你试运行下，有问题可以追问

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import javax.swing.JFrame;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

public class Test extends JFrame{

static Test t;

public Test() {

init();

}

public void init(){

setSize(300,100);

setContentPane(createContentPane());

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setVisible(true);

}

private JPanel createContentPane(){

JPanel p=new JPanel();

JMenuBar mb=new JMenuBar();

JMenu m=new JMenu("Test");

JMenuItem mi=new JMenuItem("Click");

mi.addMouseListener(new MouseListener() {

public void mouseReleased(MouseEvent e) {

JOptionPane.showMessageDialog(t, "测试成功");

}

public void mousePressed(MouseEvent e) {}

public void mouseExited(MouseEvent e) {}

public void mouseEntered(MouseEvent e) {}

public void mouseClicked(MouseEvent e) {}

});

m.add(mi);

mb.add(m);

p.add(mb);

return p;

}

public static void main(String[] args) {

t=new Test();

}

}

求JAVA，固定时间弹出对话提示框，点确定关闭，提示“让眼睛休息休息”的源代码

import java.awt.BorderLayout;

import java.awt.GridLayout;

import java.awt.Label;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.*;

import javax.swing.*;

public class TestFrame {

public static void main(String args[]) throws InterruptedException {

new LaunchFrame();

}

}

class LaunchFrame implements ActionListener {

LaunchFrame() throws InterruptedException{

Thread.sleep(0);

JFrame f = new JFrame();

JButton jb = new JButton("确定");

jb.addActionListener(this);

Label l = new Label("让眼睛休息一会..");

f.setBounds(200, 200, 200, 200);

f.setLayout(new GridLayout(2,1));

f.add(l);

f.add(jb);

f.pack();

f.setVisible(true);

}

public void actionPerformed(ActionEvent e) {

System.exit(0);

}

}