用Java实现日历记事本源代码

1、CalendarPad类import java.util.Calendar;import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.io.*;import java.util.Hashtable;public class CalendarPad extends JFrame implements MouseListener int year,month,day; Hashtable hashtable; File file; JTextField showDay; JLabel title; Cale

2、ndar 日历; int 星期几; NotePad notepad=null; Month 负责改变月; Year 负责改变年; String 星期="星期日","星期一","星期二","星期三","星期四","星期五","星期六" JPanel leftPanel,rightPanel; public CalendarPad(int year,int month,int day) leftPanel=new JPanel(); JPanel leftCe

3、nter=new JPanel(); JPanel leftNorth=new JPanel(); leftCenter.setLayout(new GridLayout(7,7); rightPanel=new JPanel(); this.year=year; this.month=month; this.day=day; 负责改变年=new Year(this); 负责改变年.setYear(year); 负责改变月=new Month(this); 负责改变月.setMonth(month); title=new JLabel7; showDay=new JTextField42; f

4、or(int j=0;j<7;j+) titlej=new JLabel(); titlej.setText(星期j); titlej.setBorder(BorderFactory.createRaisedBevelBorder(); leftCenter.add(titlej); title0.setForeground(Color.red); title6.setForeground(Color.blue); for(int i=0;i<42;i+) showDayi=new JTextField(); showDayi.addMouseListener(this); sho

5、wDayi.setEditable(false); leftCenter.add(showDayi); 日历=Calendar.getInstance(); Box box=Box.createHorizontalBox(); box.add(负责改变年); box.add(负责改变月); leftNorth.add(box); leftPanel.setLayout(new BorderLayout(); leftPanel.add(leftNorth,BorderLayout.NORTH); leftPanel.add(leftCenter,BorderLayout.CENTER); le

6、ftPanel.add(new Label("请在年份输入框输入所查年份(负数表示公元前),并回车确定"), 6 / 25 BorderLayout.SOUTH) ; leftPanel.validate(); Container con=getContentPane(); JSplitPane split=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftPanel,rightPanel); con.add(split,BorderLayout.CENTER); con.validate(); hashtable=new Ha

7、shtable(); file=new File("日历记事本.txt"); if(!file.exists() try FileOutputStream out=new FileOutputStream(file); ObjectOutputStream objectOut=new ObjectOutputStream(out); objectOut.writeObject(hashtable); objectOut.close(); out.close(); catch(IOException e) notepad=new NotePad(this); rightPan

8、el.add(notepad); 设置日历牌(year,month); 7 / 25 addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) System.exit(0); ); setVisible(true); setBounds(100,50,524,285); validate(); public void 设置日历牌(int year,int month) 日历.set(year,month-1,1); 星期几=日历.get(Calendar.DAY_OF_WEEK)-1; if(m

9、onth=1|month=2|month=3|month=5|month=7 |month=8|month=10|month=12) 排列号码(星期几,31); else if(month=4|month=6|month=9|month=11) 排列号码(星期几,30); else if(month=2) if(year%4=0&&year%100!=0)|(year%400=0) 排列号码(星期几,29); 8 / 25 else 排列号码(星期几,28); public void 排列号码(int 星期几,int 月天数) for(int i=星期几,n=1;i<星期

10、几+月天数;i+) showDayi.setText(""+n); if(n=day) showDayi.setForeground(Color.green); showDayi.setFont(new Font("TimesRoman",Font.BOLD,20); else showDayi.setFont(new Font("TimesRoman",Font.BOLD,12); showDayi.setForeground(Color.black); if(i%7=6) showDayi.setForeground(Color.

11、blue); if(i%7=0) showDayi.setForeground(Color.red); 9 / 25 n+; for(int i=0;i<星期几;i+) showDayi.setText(""); for(int i=星期几+月天数;i<42;i+) showDayi.setText(""); public int getYear() return year; public void setYear(int y) year=y; notepad.setYear(year); public int getMonth() retu

12、rn month; public void setMonth(int m) month=m; notepad.setMonth(month); public int getDay() return day; public void setDay(int d) day=d; notepad.setDay(day); public Hashtable getHashtable() return hashtable; public File getFile() return file; public void mousePressed(MouseEvent e) JTextField source=

13、(JTextField)e.getSource();try day=Integer.parseInt(source.getText(); notepad.setDay(day); notepad.设置信息条(year,month,day); notepad.设置文本区(null); notepad.获取日志内容(year,month,day); catch(Exception ee) public void mouseClicked(MouseEvent e) public void mouseReleased(MouseEvent e) public void mouseEntered(Mo

14、useEvent e) public void mouseExited(MouseEvent e) public static void main(String args) Calendar calendar=Calendar.getInstance(); int y=calendar.get(Calendar.YEAR); int m=calendar.get(Calendar.MONTH)+1; int d=calendar.get(Calendar.DAY_OF_MONTH); new CalendarPad(y,m,d); 2、） Month类import javax.swing.*;

15、import java.awt.*;import java.awt.event.*; 11 / 25 public class Month extends Box implements ActionListener int month; JTextField showMonth=null; JButton 下月,上月; CalendarPad 日历; public Month(CalendarPad 日历) super(BoxLayout.X_AXIS); this.日历=日历; showMonth=new JTextField(2); month=日历.getMonth(); showMon

16、th.setEditable(false); showMonth.setForeground(Color.blue); showMonth.setFont(new Font("TimesRomn",Font.BOLD,16); 下月=new JButton("下月"); 上月=new JButton("上月"); add(上月); add(showMonth); add(下月); 上月.addActionListener(this); 下月.addActionListener(this); showMonth.setText(&quo

17、t;"+month); public void setMonth(int month) if(month<=12&&month>=1) this.month=month; else this.month=1; showMonth.setText(""+month); 12 / 25 public int getMonth() return month; public void actionPerformed(ActionEvent e) if(e.getSource()=上月) if(month>=2) month=month-1

18、; 日历.setMonth(month); 日历.设置日历牌(日历.getYear(),month); else if(month=1) month=12; 日历.setMonth(month); 日历.设置日历牌(日历.getYear(),month); showMonth.setText(""+month); else if(e.getSource()=下月) if(month<12) month=month+1; 日历.setMonth(month); 日历.设置日历牌(日历.getYear(),month); else if(month=12) month=1

19、; 日历.setMonth(month); 日历.设置日历牌(日历.getYear(),month); showMonth.setText(""+month); 13 / 25 3、）NotePad类import java.awt.*;import java.awt.event.*;import java.util.*;import javax.swing.*;import javax.swing.event.*;import java.io.*;public class NotePad extends JPanel implements ActionListener JT

20、extArea text; JButton 保存日志,删除日志; Hashtable table; JLabel 信息条; int year,month,day; File file; CalendarPad calendar; public NotePad(CalendarPad calendar) this.calendar=calendar; year=calendar.getYear(); month=calendar.getMonth(); day=calendar.getDay(); table=calendar.getHashtable(); file=calendar.getF

21、ile(); 信息条=new JLabel(""+year+"年"+month+"月"+day+"日",JLabel.CENTER); 信息条.setFont(new Font("TimesRoman",Font.BOLD,16); 信息条.setForeground(Color.blue); text=new JTextArea(10,10); 14 / 25 保存日志=new JButton("保存日志") ; 删除日志=new JButton("删除日志&qu

22、ot;) ; 保存日志.addActionListener(this); 删除日志.addActionListener(this); setLayout(new BorderLayout(); JPanel pSouth=new JPanel(); add(信息条,BorderLayout.NORTH); pSouth.add(保存日志); pSouth.add(删除日志); add(pSouth,BorderLayout.SOUTH); add(new JScrollPane(text),BorderLayout.CENTER); public void actionPerformed(Ac

23、tionEvent e) if(e.getSource()=保存日志) 保存日志(year,month,day); else if(e.getSource()=删除日志) 删除日志(year,month,day); public void setYear(int year) this.year=year; public int getYear() return year; public void setMonth(int month) this.month=month; public int getMonth() return month; public void setDay(int day

24、) this.day=day; public int getDay() return day; public void 设置信息条(int year,int month,int day) 信息条.setText(""+year+"年"+month+"月"+day+"日"); public void 设置文本区(String s) text.setText(s); public void 获取日志内容(int year,int month,int day) String key=""+year+&

25、quot;"+month+""+day; try FileInputStream inOne=new FileInputStream(file); ObjectInputStream inTwo=new ObjectInputStream(inOne); table=(Hashtable)inTwo.readObject(); inOne.close(); inTwo.close(); catch(Exception ee) if(table.containsKey(key) String m=""+year+"年"+mon

26、th+"月"+day+"这一天有日志记载,想看吗?" int ok=JOptionPane.showConfirmDialog(this,m,"询问",JOptionPane.YES_NO_OPTION, 16 / 25 JOptionPane.QUESTION_MESSAGE); if(ok=JOptionPane.YES_OPTION) text.setText(String)table.get(key); else text.setText(""); else text.setText("无记录&q

27、uot;); public void 保存日志(int year,int month,int day) String 日志内容=text.getText(); String key=""+year+""+month+""+day; String m=""+year+"年"+month+"月"+day+"保存日志吗?" int ok=JOptionPane.showConfirmDialog(this,m,"询问",JOptionPane

28、.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE); if(ok=JOptionPane.YES_OPTION) try 17 / 25 FileInputStream inOne=new FileInputStream(file); ObjectInputStream inTwo=new ObjectInputStream(inOne); table=(Hashtable)inTwo.readObject(); inOne.close(); inTwo.close(); table.put(key,日志内容); FileOutputStream out

29、=new FileOutputStream(file); ObjectOutputStream objectOut=new ObjectOutputStream(out); objectOut.writeObject(table); objectOut.close(); out.close(); catch(Exception ee) public void 删除日志(int year,int month,int day) String key=""+year+""+month+""+day; if(table.containsKey

30、(key) String m="删除"+year+"年"+month+"月"+day+"日的日志吗?" 18 / 25 int ok=JOptionPane.showConfirmDialog(this,m,"询问",JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE); if(ok=JOptionPane.YES_OPTION) try FileInputStream inOne=new FileInputStream(file);

31、ObjectInputStream inTwo=new ObjectInputStream(inOne); table=(Hashtable)inTwo.readObject(); inOne.close(); inTwo.close(); table.remove(key); FileOutputStream out=new FileOutputStream(file); ObjectOutputStream objectOut=new ObjectOutputStream(out); objectOut.writeObject(table); objectOut.close(); 19 /

32、 25 out.close(); text.setText(null); catch(Exception ee) else String m=""+year+"年"+month+"月"+day+"无日志记录" JOptionPane.showMessageDialog(this,m,"提示",JOptionPane.WARNING_MESSAGE); 4、）Year 类import javax.swing.*;import java.awt.*;import java.awt.event.*;public class Year extends Box implements ActionListener int year; JTextField showYear=null; JButton 明年,去年; CalendarPad 日历; publ