java万年历程序代码

package pack;

import javax.swing.*;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.Calendar;

import java.util.Date;

public class rili extends JFrame implements ActionListener { JButton b_today, b_query;

JLabel lb_Year, lb_Month;

JButton b_week[] = new JButton[7];

JButton b_day[][] = new JButton[6][7];

Container thisContainer;

JPanel pUp;

JPanel pCenter;

JPanel pCenter_week, pCenter_day;

JComboBox year, month;

public void init() {

b_today = new JButton("Today");

b_query = new JButton("Query");

setTitle("日历");

lb_Year = new JLabel("Year");

lb_Month = new JLabel("Month");

year = new JComboBox();

month = new JComboBox();

setDate();

pUp = new JPanel();

pUp.add(lb_Year);

pUp.add(year);

pUp.add(lb_Month);

pUp.add(month);

pUp.add(b_today);

pUp.add(b_query);

b_today.addActionListener(this);

b_query.addActionListener(this);

pCenter = new JPanel();

pCenter_week = new JPanel();

b_week[0] = new JButton("星期日");

b_week[1] = new JButton("星期一");

b_week[2] = new JButton("星期二");

b_week[3] = new JButton("星期三");

b_week[4] = new JButton("星期四");

b_week[5] = new JButton("星期五");

b_week[6] = new JButton("星期六");

b_week[0].setSize(400, 200);

b_week[1].setSize(400, 200);

b_week[2].setSize(400, 200);

b_week[3].setSize(400, 200);

b_week[4].setSize(400, 200);

b_week[5].setSize(400, 200);

b_week[6].setSize(400, 200);

for (int i = 0; i < 7; i++) {

b_week[i].setEnabled(false);

pCenter_week.add(b_week[i]);

}

pCenter_day = new JPanel();

for (int cols = 0; cols < 6; cols++) {

for (int rows = 0; rows < 7; rows++) {

b_day[cols][rows] = new JButton("");

b_day[cols][rows].setSize(400, 200);

this.pCenter_day.add(b_day[cols][rows]);

}

}

pCenter_day.setLayout(new GridLayout(6, 7));

setDay(Integer.parseInt(this.year.getSelectedItem().toString()),

Integer.parseInt(this.month.getSelectedItem().toString()));

// setDay(2011,2);

pCenter.setLayout(new BorderLayout());

pCenter.add(pCenter_week, "North");

pCenter.add(pCenter_day, "Center");

thisContainer = this.getContentPane();

thisContainer.setLayout(new BorderLayout());

thisContainer.add(pUp, "North");

thisContainer.add(pCenter, "Center");

this.setVisible(true);

this.setResizable(false);

this.pack();

}

public void setDate() {

int year, month, day, week;

Calendar cal = Calendar.getInstance();

year = cal.get(Calendar.YEAR);

month = cal.get(Calendar.MONTH);

day = cal.get(Calendar.DA TE);

week = cal.get(Calendar.WEEK_OF_YEAR);

int year_temp = year - 4;

for (int i = 0; i < 10; i++) {

this.year.addItem(year_temp);

year_temp += 1;

}

this.year.setSelectedIndex(4);

for (int n = 0; n < 12; n++) {

this.month.addItem(n + 1);

}

this.month.setSelectedIndex(month);

}

public void setDay(int Year, int Month) {

int count;

Calendar c = Calendar.getInstance();

c.clear();

c.set(Year, Month-1, 1);

count = c.getActualMaximum(Calendar.DAY_OF_MONTH); // 总天数

System.out.print(count);

int day = c.get(Calendar.DAY_OF_WEEK) - 1; // 0为星期天，6为星期六System.out.print(day);

int i = 1 - day;

for (int cols = 0; cols < 6; cols++) {

for (int rows = 0; rows < 7; rows++) {

String st = String.valueOf(i);

b_day[cols][rows].setText(st);

b_day[cols][rows].setEnabled(false);

if (i > 0 && i <= count)

b_day[cols][rows].setVisible(true);

else

b_day[cols][rows].setVisible(false);

i++;

}

}

}

public void actionPerformed(ActionEvent e) {

if (e.getSource() == b_query) {

this.setDay(Integer

.parseInt(this.year.getSelectedItem().toString()), Integer

.parseInt(this.month.getSelectedItem().toString()));

}

if (e.getSource() == b_today) {

int year, month;

Calendar cal = Calendar.getInstance();

year = cal.get(Calendar.YEAR);

month = cal.get(Calendar.MONTH)+1;

this.setDay(year,month);

}

}

public static void main(String[] args) {

rili rl = new rili();

rl.init();

}

}