imported>Unknown at 05:28, 7 February 2021

2021-02-07T05:28:12Z

New page

애플릿으로 짠거구

전에 C로 짠던걸 많이 이용했다(위키가 이럴땐 정말 좋다)

공부좀 열심히 해야쥐 ㅡ.ㅡ

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;

public class CalendarApplet extends JApplet
{
public void init()
{
Container contentPane = getContentPane();
CalendarPanel panel = new CalendarPanel();
contentPane.add(panel);
}
}

class CalendarPanel extends JPanel
{
JPanel selectPanel;
JPanel showPanel;
JTextField tfYear;
JComboBox cbMonth;
int year;
int month;
int days;

public CalendarPanel()
{
setLayout(new BorderLayout());
selectPanel = new JPanel();
showPanel = new JPanel();
tfYear = new JTextField(5);

tfYear.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent event)
{
changeData();
}
}
);

selectPanel.add(tfYear);
selectPanel.add(new JLabel("년"));
cbMonth = new JComboBox();
cbMonth.setEditable(false);
cbMonth.addItem("1");
cbMonth.addItem("2");
cbMonth.addItem("3");
cbMonth.addItem("4");
cbMonth.addItem("5");
cbMonth.addItem("6");
cbMonth.addItem("7");
cbMonth.addItem("8");
cbMonth.addItem("9");
cbMonth.addItem("10");
cbMonth.addItem("11");
cbMonth.addItem("12");
cbMonth.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent event)
{
changeData();
}
}
);

selectPanel.add(cbMonth);
selectPanel.add(new JLabel("월"));
add(selectPanel, BorderLayout.NORTH);
showPanel.setLayout(new GridLayout(7, 7));
add(showPanel, BorderLayout.CENTER);

tfYear.setText(String.valueOf(Calendar.getInstance().get(Calendar.YEAR)));
cbMonth.setSelectedIndex(Calendar.getInstance().get(Calendar.MONTH));
}

public void alignDay()
{
int weekDay = (1 + (year - 1) + ((year - 1) / 4) - ((year - 1) / 100) + ((year - 1) / 400)) % 7;
for(int i = 0 ; i < month - 1 ; i++)
{
weekDay = (weekDay + monthDays(year, i + 1)) % 7;
}
showPanel.removeAll();

showPanel.add(new JLabel("일", SwingConstants.CENTER));
showPanel.add(new JLabel("월", SwingConstants.CENTER));
showPanel.add(new JLabel("화", SwingConstants.CENTER));
showPanel.add(new JLabel("수", SwingConstants.CENTER));
showPanel.add(new JLabel("목", SwingConstants.CENTER));
showPanel.add(new JLabel("금", SwingConstants.CENTER));
showPanel.add(new JLabel("토", SwingConstants.CENTER));

for (int i = 0; i < weekDay; i++)
{
showPanel.add(new JLabel(""));
}

for (int i = 0; i < days; i++)
{
showPanel.add(new JLabel(String.valueOf(i + 1), SwingConstants.CENTER));
}

for (int i = 0; i < 42 - weekDay - days; i++)
{
showPanel.add(new JLabel(""));
}

showPanel.updateUI();
}

public int monthDays(int ye, int mo)
{
if (mo == 1 || mo == 3 || mo == 5 || mo == 7 || mo == 8 || mo == 10 || mo == 12)
return 31;
else if (mo == 2)
{
if (isYunYear(ye) == true)
return 29;
return 28;
}
else
return 30;
}

public boolean isYunYear(int ye)
{
if (ye % 4 == 0)
{
if (ye % 100 == 0)
{
if (ye % 400 == 0)
return true;
return false;
}
return true;
}
return false;
}

public void changeData()
{
if (!tfYear.getText().equals(""))
{
try
{
year = Integer.parseInt(tfYear.getText().trim());
month = Integer.parseInt(cbMonth.getSelectedItem().toString());
days = monthDays(year, month);
alignDay();
} catch (Exception e)
{
//System.out.println(e);
}
}
}

public void paintComponent(Graphics g)
{
super.paintComponent(g);
}
}

TheJavaMan/달력 - Revision history

imported>Unknown at 05:28, 7 February 2021