notepad.java

java开发的一个备忘录 很好用的 可以记下你什么时候要做什么 什么时候做过什么

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
{
	JTextArea text;
	JButton 保存日志,删除日志;
	Hashtable table;
	JLabel 信息条;
	int year,month;
	String	day;
	File file;
	CalendarPad calendar;
	LunarCal lunar;
	public NotePad(CalendarPad calendar)throws Exception{
		this.calendar=calendar;
		year=calendar.getYear();
		month=calendar.getMonth();
		day=calendar.getDay();
		int d=Integer.parseInt(day);
		lunar=new LunarCal(year-1,month,d);
		table=calendar.getHashtable();
		file=calendar.getFile();
        信息条=new JLabel(" "+year+"年"+month+"月"+day+"日"+lunar.animalsYear()+"年",JLabel.CENTER);
		信息条.setFont(new Font("TimesRoman",Font.BOLD,16));
		信息条.setForeground(Color.blue);
		text=new JTextArea(10,10);
		保存日志=new JButton("保存日志");
		删除日志=new JButton("删除日志");
		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(ActionEvent e){
		if(e.getSource()==保存日志){
			保存日志(year,month,day);
		   }
		   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(String day){this.day=day;}
	public String getDay(){return day;}
	public void 设置信息条(int year,int month,String day)throws Exception
	{
		int d=8;
		lunar=new LunarCal(year-1,month,d);
		信息条.setText((" "+year+"年"+month+"月"+day+"日【"+lunar.animalsYear()+"】年"));}
	public void 设置文本区(String s)
	{text.setText(s);}
	public void 获取日志内容(int year,int month,String day){
	   String key=" "+year+" "+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)){
			   // text.setText((String)table.get(key));
			   //else text.setText(" ");
			   String m=" "+year+"年"+month+"月"+day+"日这一天有日志记录,想看吗?";
			   int ok=JOptionPane.showConfirmDialog(this,m,"询问",JOptionPane.YES_NO_OPTION,
				   JOptionPane.QUESTION_MESSAGE);
			   if(ok==JOptionPane.YES_OPTION)
			   text.setText((String)table.get(key));
			   else text.setText(" ");
		   }
		   else text.setText("无日志记录");
	}
	public void 保存日志(int year,int month,String day){
		String 日志内容=text.getText();
		String key=" "+year+" "+month+""+day;
		String m=" "+year+"年"+month+"月"+day+"日,保存日志吗?";
		int ok=JOptionPane.showConfirmDialog(this,m,"询问",JOptionPane.YES_NO_OPTION,
				   JOptionPane.QUESTION_MESSAGE);
			   if(ok==JOptionPane.YES_OPTION){
				   		for(int i=1;i<42;i++){
                        if(calendar.showDay[i].getText().equals(day))
				        calendar.showDay[i].setForeground(new Color(68,188,202));}
				   try{
					    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);
                        calendar.table.put(key,日志内容);
						FileOutputStream out=new FileOutputStream(file);
						ObjectOutputStream objectout=new ObjectOutputStream(out);
						objectout.writeObject(table);
						out.close();
						}catch(Exception e){}
				   }
	}
        public void 删除日志(int year,int month,String day){
			String key=" "+year+" "+month+""+day;
			
			if(table.containsKey(key)){
				String m="删除"+year+"年"+month+"月"+day+"日保存日志吗?";
				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);
		                ObjectInputStream intwo=new ObjectInputStream(inone);
		                table=(Hashtable)intwo.readObject();
						inone.close();
						intwo.close();
						table.remove(key);
						calendar.table.remove(key);
						FileOutputStream out=new FileOutputStream(file);
						ObjectOutputStream objectout=new ObjectOutputStream(out);
						objectout.writeObject(table);
						out.close();
				   }catch(Exception e){}
				   calendar.设置日历牌(calendar.负责改变年.year,calendar.负责改变月.month);
			}
			}
			else{
				String m=" "+year+"年"+month+"月"+day+"日无日志记录";
				JOptionPane.showConfirmDialog(this,m,"询问",JOptionPane.WARNING_MESSAGE);		
			}
		}
}