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.DATE);

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(); }