java万年历源代码(可运行)
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
//import java.sql.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.table.DefaultTableModel;
public class wannianli extends JFrame implements ActionListener, MouseListener
{
private Calendar cld = Calendar.getInstance();
private String [] astr = {"星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日"};
private DefaultTableModel dtm = new DefaultTableModel(null,astr);
private JTable table = new JTable(dtm); //装日期的表格
private JScrollPane sp = new JScrollPane(table);
private JButton bLastYear = new JButton("上一年");
private JButton bNextYear = new JButton("下一年");
private JButton bLastMonth = new JButton("上月");
private JButton bNextMonth = new JButton("下月");
private JTextField jtfYear = new JTextField(5);//jtfYear年份显示和输入文本框
private JTextField jtfMonth = new JTextField(2);//jtfMonth月份显示文本框
private JPanel p1 = new JPanel(); //装入控制日期按钮的模块
private JPanel p2 = new JPanel();
private JPanel p3 = new JPanel(new BorderLayout());
private JPanel p4 = new JPanel(new GridLayout(2,1));
private JPanel p5 = new JPanel(new BorderLayout());
private JButton bAdd = new JButton("保存日志");
private JButton bDel = new JButton("删除日志");
private JTextArea jta = new JTextArea(); //jta--JTextArea
private JScrollPane jsp = new JScrollPane(jta);
private JLabel l = new JLabel("年份文本框中可直接键入要查找的年份,以提高查询效率");
private JLabel lt = new JLabel();
private JLabel ld = new JLabel();
private int lastTime;
public wannianli()
{
super("万年历"); //框架命名
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//窗口关闭函数
this.getContentPane().setLayout(new BorderLayout(10, 0));
jta.setLineWrap(true);
table.setGridColor(Color.GRAY); //星期之间的网格线是灰色的
table.setColumnSelectionAllowed(true);
table.setSelectionBackground(Color.BLACK);//当选定某一天时这一天背景黑色
table.setSelectionForeground(Color.GREEN);//选定的日期字体是绿色的
table.setBackground(new Color(184,207,229));//日期显示表格颜色浅蓝色
table.setFont(new Font("黑体",Font.BOLD,24));//日期数字字体格式
table.setRowHeight(30);//表格的高度
table.addMouseListener(this); //鼠标监听器
jtfYear.addActionListener(this);//可输入年份的文本框
//为各个按钮添加监听函数
bAdd.addActionListener(this);
bDel.addActionListener(this);
bLastYear.addActionListener(this);
bNextYear.addActionListener(this);
bLastMonth.addActionListener(this);
bNextMonth.addActionListener(this);
//将按钮添加到Jpanel上
p1.add(bLastYear);
p1.add(jtfYear);//年份输入文本框
p1.add(bNextYear);
p1.add(bLastMonth);
p1.add(jtfMonth);
p1.add(bNextMonth);
p2.add(bAdd);
p2.add(bDel);
p3.add(jsp, BorderLayout.CENTER);
p3.add(p2, BorderLayout.SOUTH);
p3.add(ld, BorderLayout.NORTH);
p4.add(l);
p4.add(lt);
p5.add(p4, BorderLayout.SOUTH);
p5.add(sp, BorderLayout.CENTER);
p5.add(p1, BorderLayout.NORTH);
this.getContentPane().add(p5, BorderLayout.CENTER);
this.getContentPane().add(p3, BorderLayout.EAST);
String [] strDate = DateFormat.getDateInstance().format(new Date()).split("-");//获得日期
cld.set(Integer.parseInt(strDate[0]), Integer.parseInt(strDate[1])-1, 0);
showCalendar(Integer.parseInt(strDate[0]), Integer.parseInt(strDate[1]), cld);
jtfMonth.setEditable(false);//设置月份的文本框为不可编辑
jtfYear.setText(strDate[0]);
jtfMonth.setText(strDate[1]);
this.showTextArea(strDate[2]);
ld.setFont(new Font("新宋体",Font.BOLD,24));
new Timer(lt).start();
this.setBounds(200,200,600,320);
this.setResizable(false);
this.setVisible(true);
}
public void showCalendar(int localYear, int localMonth, Calendar cld)
{
int Days = getDaysOfMonth(localYear, localMonth) + cld.get(Calendar.DAY_OF_WEEK) - 2;
Object [] ai = new Object[7];
lastTime = 0;
for (int i = cld.get(Calendar.DAY_OF_WEEK)-1; i <= Days; i++)
{
ai[i%7] = String.valueOf(i-(cld.get(Calendar.DAY_OF_WEEK)-2));
if (i%7 == 6)
{
dtm.addRow(ai);
ai = new Object[7];
lastTime++;
}
}
dtm.addRow(ai);
}
public int getDaysOfMonth(int year, int Month) //显示所选月份的天数
{
if(Month =
= 1 || Month == 3 || Month == 5 || Month == 7 || Month == 8 || Month == 10 || Month == 12)
{
return 31;
}
if(Month == 4 || Month == 6 || Month == 9 || Month == 11)
{
return 30;
}
if(year%4 == 0 && year%100 != 0 || year%400 == 0)//闰年
{
return 29;
}
else
{
return 28;
}
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == jtfYear || e.getSource() == bLastYear || e.getSource() == bNextYear ||
e.getSource() == bLastMonth || e.getSource() == bNextMonth)
{
int m, y;
try//控制输入的年份正确，异常控制
{
if (jtfYear.getText().length() != 4)
{
throw new NumberFormatException();
}
y = Integer.parseInt(jtfYear.getText());
m = Integer.parseInt(jtfMonth.getText());
}
catch (NumberFormatException ex)
{
JOptionPane.showMessageDialog(this, "请输入4位0-9的数字！", "年份有误", JOptionPane.ERROR_MESSAGE);
return;
}
ld.setText("没有选择日期");
for (int i = 0; i < lastTime+1; i++){ dtm.removeRow(0);}
if(e.getSource() == bLastYear){ jtfYear.setText(String.valueOf(--y)); }
if(e.getSource() == bNextYear){jtfYear.setText(String.valueOf(++y)); }
if(e.getSource() == bLastMonth)
{
if(m == 1)
{
jtfYear.setText(String.valueOf(--y));
m = 12;
jtfMonth.setText(String.valueOf(m));
}
else
{
jtfMonth.setText(String.valueOf(--m));
}
}
if(e.getSource() == bNextMonth)
{
if(m == 12)
{
jtfYear.setText(String.valueOf(++y));
m = 1;
jtfMonth.setText(String.valueOf(m));
}
else
{
jtfMonth.setText(String.valueOf(++m));
}
}
cld.set(y, m-1, 0);
showCalendar(y, m, cld);
}
if(e.getSource() == bAdd)
{
int r = table.getSelectedRow();
int c = table.getSelectedColumn();
if(!ld.getText().equals("没有选择日期"))
{
try
{
File file = new File(ld.getText() + ".txt");
BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
bw.write(jta.getText());
bw.close();
}
catch (FileNotFoundException ex)
{
ex.printStackTrace();
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
}
if(e.getSource() == bDel)
{
int r = table.getSelectedRow();
int c = table.getSelectedColumn();
File filedel = new File(ld.getText() + ".txt");
if(filedel.exists())
{
if(filedel.delete())
{
jta.setText("日志删除成功");
}
else
{
jta.setText("日志删除失败");
}
}
else
{
jta.setText("没有找到日志文件");
}
}
}
public void mouseClicked(MouseEvent e)
{
jta.setText(null);
int r = table.getSelectedRow();
int c = table.getSelectedColumn();
if (table.getValueAt(r,c) == null)
{
ld.setText("没有选择日期");
}
else
{
this.showTextArea(table.getValueAt(r,c));
}
}
public void mousePressed(MouseEvent e)
{
}
public void mouseReleased(MouseEvent e)
{
}
public void mouseEntered(MouseEvent e)
{
}
public void mouseExited(MouseEvent e)
{
}
private void showTextArea(Object selected)
{//将所选日期显示出来，能不能弄成农历显示
ld.setText(jtfYear.getText()+"年"+jtfMonth.getText()+"月"+selected+"日");
File filein = new File(ld.getText() + ".txt");
if(filein.exists())
{
try
{
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(filein)));
String strRead = br.readLine();
jta.setText(null);
while(strRead != null)
{
jta.append(strRead);
strRead = br.readLine();
}
br.close();
}
catch (FileNotFoundException ex)
{
ex.printStackTrace();
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
}
public static void main(String[] args)
{
JFrame.setDefaultLookAndFeelDecorated(true);
JDialog.setDefaultLookAndFeelDecorated(true);
new wannianli();
}
}
class Timer extends Thread//显示系统时间
{
private JLabel lt;
private SimpleDateFormat fy = new SimpleDateFormat("yyyy.MM.dd G 'at' HH:mm:ss z");
private SimpleDateFormat fn = new SimpleDateFormat("yyyy.MM.dd G 'at' HH mm ss z");
pri
vate boolean b = true;
public Timer(JLabel lt)
{
this.lt = lt;
}
public void run()
{
while (true)
{
try
{
if (b)
{
lt.setText(fy.format(new Date()));
}
else
{
lt.setText(fn.format(new Date()));
}
b = !b;
this.sleep(500);
}
catch (InterruptedException ex)
{
ex.printStackTrace();
}
}
}
}