DiaryBook程序

/**
* calendar.java
* auther jsp
* update 2006-12-21;
* company sichuanaixin
*/
import java.util.*;
import java.util.Calendar;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.JTextArea;
import javax.swing.JComboBox;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JScrollPane;
import java.lang.Math;
import java.io.*;
import java.io.BufferedReader.*;
import java.io.FileReader.*;
import java.io.BufferedWriter;
import java.io.FileWriter;
import javax.swing.JTextField;

class calendar extends JFrame
{
   //变量定义区域
   JFrame frame = new JFrame("日记本");
   JTextArea view;
   JScrollPane Span1;
   JScrollPane Span2;
   JPanel chooice;
   JComboBox jmbyear;
   JComboBox jmbmonth;
   JButton jbt;
   JButton jbtopen;
   JButton jbtsave;
   JTable table;
   mytable model;
   JTextField jtext;
   String filename;
   //calendar类构造方法
   calendar()
   {
      try{
      Jbinint();
      }catch(Exception e)
      {
        e.printStackTrace();
      }
   }
  //处世化方法
  public void Jbinint()
  {
     //定义年
     String[] yyear = {"1970","1971","1972","1973","1974","1975","1976","1977","1978","1979","1980","1981","1982","1983","1984","1985","1986","1987","1988","1989","1990","1991","1992","1993","1994","1995","1996","1997","1998","1999","2000","2001","2002","2003","2004","2005","2006","2007","2008","2009","2010","2011","2012","2013","2014"};
     jmbyear = new JComboBox(yyear);
     jmbyear.setAutoscrolls(true);
     //定义月份
     String[] mmonth = {"1","2","3","4","5","6","7","8","9","10","11","12"};
     jmbmonth = new JComboBox(mmonth);
     jmbmonth.setAutoscrolls(true);
     jtext = new JTextField(3);
     jtext.setEditable(false);
     jbt = new JButton("查看");
     jbtsave = new JButton("保存日记");
     jbtopen = new JButton("日记");
     chooice = new JPanel();
     chooice.add(jmbyear);
     chooice.add(jmbmonth);
     chooice.add(jtext);
     chooice.add(jbt);
     chooice.add(jbtsave);
     chooice.add(jbtopen);
     frame.getContentPane().add(chooice,BorderLayout.NORTH);
     model = new mytable();
     table = new JTable(model);
     Span2 = new JScrollPane(table);
     frame.getContentPane().add(Span2,BorderLayout.CENTER);
     view = new JTextArea(8,20);
     view.setLineWrap(true);
     Span1 = new JScrollPane(view);
     frame.getContentPane().add(Span1,BorderLayout.SOUTH); 
    
     Calendar today = Calendar.getInstance();
     int month = today.get(Calendar.MONTH)+1;
     int year = today.get(Calendar.YEAR);
     int day = today.get(Calendar.DATE);
     GregorianCalendar todayWeek = new GregorianCalendar(year,month-1,1);
     int week = todayWeek.get(Calendar.DAY_OF_WEEK)-1;
     int days = count(month,year);     
     dis (days,week); 
     jmbyear.setSelectedItem(String.valueOf(new Integer(year)));
     jmbmonth.setSelectedItem(String.valueOf(new Integer(month)));

     //view.setText("日记文件:"+filename);
     jtext.setText(String.valueOf(new Integer(day)));
     filename = String.valueOf(new Integer(year))+"-"+String.valueOf(new Integer(month))+"-"+jtext.getText()+".txt";
     File f = new File(filename );
     if(f.exists())
     {
         if(f.isFile())
         {
           openDiary();
           view.setEditable(false);
           jbtsave.setEnabled(false);
         }else{view.setText(String.valueOf(new Integer(year))+"-"+String.valueOf(new Integer(month))+"-"+jtext.getText()+":该日没有日记");
      view.setEditable(true);jbtsave.setEnabled(true);
      };
     }else{view.setText(String.valueOf(new Integer(year))+"-"+String.valueOf(new Integer(month))+"-"+jtext.getText()+":该日没有日记");view.setEditable(true);jbtsave.setEnabled(true);}
    
     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     frame.setSize(500,350);
     frame.setVisible(true);

     jbt.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e)
        {
           model.moveall();
           table.updateUI();
           int years = Integer.parseInt(jmbyear.getSelectedItem().toString());
           int months = Integer.parseInt(jmbmonth.getSelectedItem().toString());
           GregorianCalendar today = new GregorianCalendar(years ,months-1,1);
           int week = today.get(Calendar.DAY_OF_WEEK)-1;
           int days = count(months,years);
           dis (days,week);          
        }});
     
     jbtsave.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e)
        {
           saveDiary();
        }});  
     jbtopen.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e)
        {
           if(table.getSelectedRow() != -1 && table.getSelectedColumn() != -1){
           jtext.setText((String)table.getValueAt(table.getSelectedRow(),table.getSelectedColumn()));}
            filename = jmbyear.getSelectedItem().toString()+"-"+jmbmonth.getSelectedItem().toString()+"-"+jtext.getText()+".txt";
           File f = new File(filename );
     if(f.exists())
     {
         if(f.isFile())
         {
           view.setText("");
           openDiary();
           view.setEditable(false);
           jbtsave.setEnabled(false);
         }else{view.setText(jmbyear.getSelectedItem().toString()+"-"+jmbmonth.getSelectedItem().toString()+"-"+jtext.getText()+":该日没有日记");view.setEditable(true);jbtsave.setEnabled(true);}
     }else{view.setText(jmbyear.getSelectedItem().toString()+"-"+jmbmonth.getSelectedItem().toString()+"-"+jtext.getText()+":该日没有日记");view.setEditable(true);jbtsave.setEnabled(true);}
        }});  
  }
  //保存日记
    public void saveDiary()
    {
      try{
         FileWriter fw = new FileWriter(filename);
         BufferedWriter bw =  new BufferedWriter(fw);
         bw.write(jmbyear.getSelectedItem().toString()+"年"+jmbmonth.getSelectedItem().toString()+"月"+jtext.getText()+"日");
         bw.newLine();
         bw.write(view.getText());
         bw.flush();
         bw.close();
         fw.close();       
         }catch(Exception e){e.printStackTrace();}
    }
    public void openDiary()
    {
        try{
         FileReader fr = new FileReader(filename);
         BufferedReader br = new BufferedReader(fr);
         String line = br.readLine();
         while(line != null)
         {
           view.setText(view.getText()+line+"/n/r"); 
           line = br.readLine();
         } 
        }catch(Exception e){e.printStackTrace();}
         
    }
 
//判断是否是闰年
    public  boolean loop(int year)
    {
          if(((year % 4 ==0)&&(year % 100 !=0)) || (year % 400 ==0))
          {
               return true;
          }
          else
          {
               return false;
          }
    }
   //确定每月的天数
    public  int count(int month,int year)
    {
         if(month == 2)
         {
             if(loop(year))
             {
                   return 29;
             }
             else
             {
                   return 28;
             }
         }
         else if((month == 1) || (month == 3) || (month == 5) || (month == 7) || (month == 8) || (month == 10) || (month == 12))
         {
              return 31;
         }
         else
         {
              return 30;
         }  
     }

    public  void dis(int days,int week)
    {
           
       int weekcount = (int)Math.ceil((days +week-1)/7)+1;
       int datevalue = 1;
       String[][] dt = new String[weekcount][7];
       for(int i = 0; i < weekcount;i++)
       {
          for(int j = 0; j < 7;j++)
          {
            if(i == 0  &&  j < week )
            { 
              dt[i][j] ="";
            }else
            {
              if(datevalue <= days)
              {  
              dt[i][j] = String.valueOf(datevalue);
              datevalue++;
              }else
              {
                dt[i][j] ="";
              }
           }  
       }
      }
      model.addRow(dt,weekcount);
      table.updateUI();
    }
    

   public static void main(String[] args)
   {
       new calendar();
   }      
}

class mytable extends AbstractTableModel
{
  Vector content = null;
  String[] title={"七","一","二","三","四","五","六"};
 
  mytable()
  {
    content = new Vector();
  }

  public String getColumnName(int col)
   {
     return title[col];
   }

  public int getColumnCount()
  {
      return title.length;
  }
 
  public int getRowCount()
  {
     return content.size();
  }

  public  boolean isCellEditable(int row, int col)
  {
    return false;
  }

  public void setValueAt(Object value, int row, int col)
  {
      ((Vector)content.get(row)).remove(col);
      ((Vector)content.get(row)).add(col,value);
      this.fireTableCellUpdated(row,col);
  }

   public Object getValueAt(int row,int col)
   {
      return ((Vector)content.get(row)).get(col);
   }
   public void addRow(String[][] d,int row)
   { 
      for(int i=0 ; i < row; i ++ )
      {
        Vector c = new Vector(7);
        c.add(0,d[i][0]);
        c.add(1,d[i][1]);
        c.add(2,d[i][2]);
        c.add(3,d[i][3]);
        c.add(4,d[i][4]);
        c.add(5,d[i][5]);
        c.add(6,d[i][6]);
        content.add(c);
      }
  }
  public void moveall()
  {
     content.clear();
  }
}