日历记事本就是一个日历再加上记事的功能。你可以把将来要做的事情都记在记事本上，等到了那天就会显示出来，你也可以看见你以前做的事情（当然是指纪录在记事本上的）。请各位多多指教！
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.text.*;
import java.io.*;
public class Note extends Frame {
private MenuBar mb;
private Menu mset_param ,mhelp;
private MenuItem mibc ,miSound;
private MenuItem miabout;
//缺省的背景颜色
private static Color backgroundcolor = Color.GRAY;
//funtction of the button on plcb is chose year andmonth
//and set alarm colock and remind booking
private JCheckBox remindBook ,alarmColock;
private JComboBox cbyears ,cbmonths;
private JPanel plcb;
//日历按钮
private JPanel plbt;
private JButton button[];
//add vector to contain button[],so that find it
private Vector v;
//save the year and month
private String choseyear ,chosemonth;
private int choseyearint ,chosemonthint;
private boolean changed = false;
private boolean fileExist = false;//the application first run to find file
private static boolean needSound;
//add text to write down what to do in the future
private TextArea tanote;
private JPanel plta;
//默认的年份
private final static String years[]={
"1995" ,"1996" ,"1997" ,"1998" ,"1999" ,"2000" ,
"2001" ,"2002" ,"2003" ,"2004" ,"2005" ,"2006" ,
"2007" ,"2008" ,"2009" ,"2010" ,"2011" ,"2012" ,
"2013" ,"2014" ,"2015" ,"2016" ,"2017" ,"2018" ,
"2019" ,"2020"
};
private static final String months[] = {
"January" ,"February" ,"March" ,"April" ,"May" ,"June" ,"July" ,"August" ,
"September" ,"October" ,"November" ,"December"
};
private final static int dom[] = {
31 ,28 ,31 ,30 ,31 ,30 ,31 ,31 ,30 ,31 ,30 ,31
};
//save the first day of the month to use
private int start;
//save the button who is entered
private int btnIndex;
public Note() {
mb = new MenuBar();
mset_param = new Menu("设置");
mhelp = new Menu("帮助");
mibc = new MenuItem("背景");
miSound = new MenuItem("声音");
miabout = new MenuItem("关于…");
mset_param.add(mibc);
mset_param.addSeparator();
mset_param.add(miSound);
mhelp.add(miabout);
setMenuBar(mb);
mb.add(mset_param);
mb.setHelpMenu(mhelp);
MListener ml = new MListener();
mibc.addActionListener(ml);
miabout.addActionListener(ml);
miSound.addActionListener(ml);
cbyears = new JComboBox();
cbmonths = new JComboBox();
plcb = new JPanel();
plcb.setLayout(new FlowLayout());
JLabel lyears = new JLabel("年份:");
JLabel lmonths = new JLabel("月份:");
plcb.add(lyears);
plcb.add(cbyears);
plcb.add(lmonths);
plcb.add(cbmonths);
remindBook = new JCheckBox("预约提示",true);
alarmColock = new JCheckBox("闹钟");
// Dimension d = new Dimension();
// remindBook.setSize(d);
// remindBook.getSize(d);
// System.out.println("W:"+d.getWidth()+" H:"+d.getHeight());
plcb.add(remindBook);
plcb.add(alarmColock);
remindBook.addActionListener(new RemindListener());
alarmColock.addActionListener(new RemindListener());
add(plcb ,BorderLayout.NORTH);
//add calendar
getCalendar();
plbt = new JPanel();
plbt.setBackground(Color.BLUE);
plbt.setLayout(new GridLayout(7 ,7));
plbt.add(new JLabel(" 星期日"));
plbt.add(new JLabel(" 星期一"));
plbt.add(new JLabel(" 星期二"));
plbt.add(new JLabel(" 星期三"));
plbt.add(new JLabel(" 星期四"));
plbt.add(new JLabel(" 星期五"));
plbt.add(new JLabel(" 星期六"));
//add calendar button to frame
//add button to vector;
v = new Vector();
button = new JButton[42];
for(int i=0;i<41;i++){
button[i] = new JButton();
plbt.add(button[i]);
button[i].addActionListener(new ButtonListener());
v.add(button[i]);
}
button[41] = new JButton();
plbt.add(button[41]);
button[41].setText("保存");
button[41].addActionListener(new SaveListener());
add(plbt ,BorderLayout.CENTER);
//add note book
// plta = new JPanel();
tanote = new TextArea(5 ,80);
// tanote.addTextListener(new tanoteTextListener());
// tanote.setColumns(80);
// plta.add(tanote);
// tanote.SCROLLBARS_VERTICAL_ONLY;
add(tanote ,BorderLayout.SOUTH);
/*
//add date to button
GregorianCalendar calendar = new GregorianCalendar(choseyearint ,chosemonthint ,1);
int start = calendar.get(Calendar.DAY_OF_WEEK)-1;
int daysInMonth = dom[chosemonthint];
if(calendar.isLeapYear(choseyearint)&&chosemonthint == 1){
++daysInMonth;
}
for(int i =0;i<daysInMonth;i++){
button[start+i].setText(" "+(i+1)+" ");
}
*/
//add the default year and month to JComboBox
for(int i= 0;i<=25;i++){
cbyears.addItem(years[i]);
}
for(int i=0;i<12;i++){
cbmonths.addItem(months[i]);
}
/*
//add current year and month
cbyears.setSelectedIndex(choseyearint-1995);
cbmonths.setSelectedIndex(chosemonthint);
*/
//show date to calendar
showDate();
//open file add to note
Calendar now = new GregorianCalendar();
int num = start + now.get(Calendar.DAY_OF_MONTH)-1;
btnIndex = num;
readFile(num);
fileSound();
//add threadcb to listen jcombobox state
new ThreadCB().start();
//listen the JComboBox of years and months
cbyears.addItemListener(new cbyearsItemListener());
cbmonths.addItemListener(new cbmonthsItemListener());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
dispose();
System.exit(0);
}
});
}
/**
*add menu listener to know the menu what do want to do
*/
class MListener implements ActionListener{
public void actionPerformed(ActionEvent e){
MenuItem i = (MenuItem)e.getSource();
if(i.equals(miabout)){
JOptionPane.showMessageDialog(null ,"日历记事本程序V1.0","关于…" ,JOptionPane.INFORMATION_MESSAGE);
}
else if(i.equals(mibc)){
//backgroundcolor = Color.BLACK;
backgroundcolor = JColorChooser.showDialog(null ,"选择颜色…" ,getBackground());
setBackground(backgroundcolor);
plbt.setBackground(backgroundcolor);
// System.out.println(choseyear);
}
else{
JOptionPane.showMessageDialog(null ,"I am sorry ,this function is not complation" ,"Sorry" ,JOptionPane.INFORMATION_MESSAGE);
}
}
}
/**
*add the year JComboBox listener to know what active
*/
class cbyearsItemListener implements ItemListener{
public void itemStateChanged(ItemEvent e){
// System.out.println(e.paramString());
// System.out.println(e.getStateChange());
// System.out.println(e.getItem().toString());
// if(e.getSource().equals("1997")){
// System.out.println("1997 is chosed");
// }
// else{
// System.out.println("the System is not chose 1997");
// }
// choseyear = e.getItem().toString();
changed = true;
// showDate();
// cbmonths.setSelectedIndex(5);
}
}
/**
*add the month JComboBox listener to know what active
*/
class cbmonthsItemListener implements ItemListener{
public void itemStateChanged(ItemEvent e){
// System.out.println(choseyear);
// chosemonth = e.getItem().toString();
changed = true;
// chosemonthint = Integer.parseInt(chosemonth);
// System.out.println(chosemonthint);
// showDate();
}
}
public static void main(String args[]) {
System.out.println("Starting Note…");
Note mainFrame = new Note();
mainFrame.setSize(600, 400);
mainFrame.setTitle("日历记事本");
mainFrame.setBackground(backgroundcolor);
mainFrame.setVisible(true);
for(int i=0;i<10;i++){
System.out.print("\007");
}
// Thread dd = new ThreadCB();
// dd.start();
// mainFrame.paintCalendar();
}
protected void getCalendar(){
Calendar now = new GregorianCalendar();
// System.out.println("year :"+now.get(Calendar.YEAR));
// System.out.println("month:"+now.get(Calendar.MONTH));
// int y = now.get(Calendar.YEAR);
// choseyear = Integer.toString(y);
// int m = now.get(Calendar.MONTH);
// chosemonth = Integer.toString(m+1);
choseyearint = now.get(Calendar.YEAR);
chosemonthint = now.get(Calendar.MONTH);
// System.out.println("y "+choseyear+"::"+chosemonth);
}
/**
*show date to calendar
*/
protected void showDate(){
GregorianCalendar calendar = new GregorianCalendar(choseyearint ,chosemonthint ,1);
start = calendar.get(Calendar.DAY_OF_WEEK)-1;
int daysInMonth = dom[chosemonthint];
if(calendar.isLeapYear(choseyearint)&&chosemonthint == 1){
++daysInMonth;
}
for(int i =0;i<daysInMonth;i++){
button[start+i].setForeground(Color.BLACK);
button[start+i].setText(" "+(i+1)+" ");
}
//set current day
int nowDay = start + calendar.get(Calendar.DAY_OF_MONTH);
button[nowDay+1].setForeground(Color.RED);
//add current year and month
cbyears.setSelectedIndex(choseyearint-1995);
cbmonths.setSelectedIndex(chosemonthint);
}
//listen the buttons active
class ButtonListener implements ActionListener{
public void actionPerformed(ActionEvent e){
Object obj = e.getSource();
// System.out.println("haha"+e.getSource());
btnIndex = v.indexOf(obj);
readFile(btnIndex);
/* switch(v.indexOf(obj)){
case 1:
System.out.println("i am button1");
break;
case 2:
// System.out.println("I am button2");
readFile(2);
break;
case 41:
System.out.println(tanote.getText());
break;
default:
System.out.println("I do not know who am I");
break;
}
*/ }
}
/**
*create a thread to listen the year or month′s state
*/
class ThreadCB extends Thread{
public void run(){
while(true){
if(changed){
changed = false;
choseyearint = cbyears.getSelectedIndex()+1995;
chosemonthint = cbmonths.getSelectedIndex();
//System.out.println("y:"+choseyearint+":M:"+chosemonthint);
for(int i=0;i<40;i++){
button[i].setText("");
}
showDate();
}
try{
sleep(200);
}
catch(InterruptedException e){
System.err.println(e);
}
}
}
}
/**
* add note book listener to know the textarea active
*/
/*
class tanoteTextListener implements TextListener{
public void textValueChanged(TextEvent e){
//System.out.println(e.getSource());
}
}*/
/**
*check file to know the file is exist
* if exist,read it to the note book
*/
protected void readFile(int bt){
int y = cbyears.getSelectedIndex()+1995;//real year
int m = cbmonths.getSelectedIndex()+1;//real month
String fileName = Integer.toString(y) + Integer.toString(m)+"button"+Integer.toString(bt);
// System.out.println("I am dudu");
// System.out.println(fileName);
// String fileName = "testDay.java";
File file = new File(fileName);
BufferedReader is;
String line;
StringBuffer sb = new StringBuffer();
tanote.setText("");
if(file.exists()){
try{
is = new BufferedReader(new FileReader(fileName));
while((line = is.readLine())!= null){
sb.append(line);
sb.append("\n");
}
is.close();
}
catch(IOException e){
System.err.println(e);
System.exit(0);
}
tanote.setText(sb.toString());
fileExist = true;
}
else{
System.out.println(fileName+" is not exists");
}
}
/**
*sound
*/
protected void fileSound(){
if(remindBook.isSelected()){
if(fileExist){
/* for(int i=0;i<10;i++){
System.out.println("\007");
}
*/
needSound = true;
}
}
}
/**
*listen the save button active
*/
class SaveListener implements ActionListener{
public void actionPerformed(ActionEvent e){
int bt = btnIndex;
int y = cbyears.getSelectedIndex()+1995;//real year
int m = cbmonths.getSelectedIndex()+1;//real month
String fileName = Integer.toString(y) + Integer.toString(m)+"button"+Integer.toString(bt);
try{
BufferedWriter bw = new BufferedWriter(new FileWriter(fileName));
//int row = tanote.getRows();
//System.out.println("rows:"+row);
String s = tanote.getText();
System.out.println("length:"+s.length());
bw.write(s);
bw.close();
}
catch(IOException ev){
System.err.println(ev);
System.exit(0);
}
}
}
//
class RemindListener implements ActionListener{
public void actionPerformed(ActionEvent ae){
Object obj = ae.getSource();
if(obj.equals(remindBook)){
if(remindBook.isSelected()){
System.out.println("I am selected");
}
else{
System.out.println("I am not selected");
}
}
else{
if(alarmColock.isSelected()){
// System.out.println("I am selected");
final JFrame jf = new JFrame("设置时间");
jf.setSize(300,100);
jf.setLocation(200 ,200);
jf.setVisible(true);
// Font f = new Font( ,Font.BOLD ,20);
JLabel jl = new JLabel("逗你玩");
String name=jl.getFont().getName();
// System.out.println("Font:"+name);//name′s value is Dialog
Font f = new Font(name ,Font.BOLD+Font.ITALIC ,20);
jl.setForeground(Color.red);
jl.setFont(f);
jf.getContentPane().setLayout(new GridLayout(5 ,2));
jf.getContentPane().add(new JLabel(" "));
jf.getContentPane().add(jl);
jf.getContentPane().add(new JLabel("sorry! this function is not do!!"));
jf.pack();
jf.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent we){
jf.dispose();
}
});
}
else{
System.out.println("I am not selected");
}
}
}
}
}
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