利用java语言开发建议日历记事本程序。
public class CalendarPad extends JFrame implements MouseListener{
int year,month,day;
Hashtable hashtable;
File file;
static JTextField showDay[];
JLabel title[];
Calendar calendar;
int week;
NotePad notepad=null;
Month changemonth;
Year changeyear;
String 星期[]={"日","一","二","三","四","五","六"};
JPanel leftPanel,rightPanel;
//以下是定义CalendarPad方法
public CalendarPad(int year,int month,int day)
{
super("Duang日历记事本"); //设置窗体标题
leftPanel=new JPanel();
JPanel leftCenter=new JPanel();
JPanel leftNorth=new JPanel();
leftCenter.setLayout(new GridLayout(7,7));
rightPanel=new JPanel();
this.year=year;
this.month=month;
this.day=day;
changeyear=new Year(this);
changeyear.setYear(year);
changemonth=new Month(this);
changemonth.setMonth(month);
title=new JLabel[7]; //定义显示星期标签
showDay=new JTextField[42];
for(int j=0;j<7;j++)
{
title[j]=new JLabel();
title[j].setText(星期[j]); //定义显示星期标签
title[j].setBorder(BorderFactory.createRaisedBevelBorder()); //定义边框为斜面边框（凸）
leftCenter.add(title[j]); //显示星期标签
}
title[0].setForeground(Color.red); //将周日显示为红色
title[6].setForeground(Color.red); //将周六显示为红色
for(int i=0;i<42;i++)
{
showDay[i]=new JTextField();
showDay[i].addMouseListener(this); //添加鼠标进入
showDay[i].setEditable(false); //设置为不可编辑标签
leftCenter.add(showDay[i]);
}
calendar=Calendar.getInstance();
Box box=Box.createHorizontalBox();
box.add(changeyear); //添加改变年控件
box.add(changemonth); //添加改变月控件
leftNorth.add(box); //定位改变年月标签
leftPanel.setLayout(new BorderLayout());
leftPanel.add(leftNorth,BorderLayout.NORTH);
leftPanel.add(leftCenter,BorderLayout.CENTER);
leftPanel.add(new Label(""),
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 Hashtable();
file=new File("日历记事本.txt"); //新建"日历记事本.txt"文件
if(!file.exists()) //判断文件是否存在
{
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);
rightPanel.add(notepad);
set_calendar(year,month);
addWindowListener(new WindowAdapter() //注册监听器
{ public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
setVisible(true); //设置主面板可见
setBounds(500,100,600,285); //设置主面板大小及位置
validate();
}
