java代码实现日历表

就是windows系统时间那个日历表

看下这个吧
http://download.csdn.net/source/1157927

我靠明明有源码的好不好/**
* @(#) MyCalendar.java
* @author fancy
*/package fancy;

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

public class MyCalendar extends JApplet {

    public static final String WEEK_SUN = "SUN";
    public static final String WEEK_MON = "MON";
    public static final String WEEK_TUE = "TUE";
    public static final String WEEK_WED = "WED";
    public static final String WEEK_THU = "THU";
    public static final String WEEK_FRI = "FRI";
    public static final String WEEK_SAT = "SAT";

    public static final Color background = Color.white;
    public static final Color foreground = Color.black;
    public static final Color headerBackground = Color.blue;
    public static final Color headerForeground = Color.white;
    public static final Color selectedBackground = Color.blue;
    public static final Color selectedForeground = Color.white;

    private JPanel cPane;
    private JLabel yearsLabel;
    private JSpinner yearsSpinner;
    private JLabel monthsLabel;
    private JComboBox monthsComboBox;
    private JTable daysTable;
    private AbstractTableModel daysModel;
    private Calendar calendar;

    public MyCalendar() {
        cPane = (JPanel) getContentPane();
    }

    public void init() {
        cPane.setLayout(new BorderLayout());

        calendar = Calendar.getInstance();
        calendar = Calendar.getInstance();
        yearsLabel = new JLabel("Year: ");
        yearsSpinner = new JSpinner();
        yearsSpinner.setEditor(new JSpinner.NumberEditor(yearsSpinner, "0000"));
        yearsSpinner.setValue(new Integer(calendar.get(Calendar.YEAR)));
        yearsSpinner.addChangeListener(new ChangeListener() {
                public void stateChanged(ChangeEvent changeEvent) {
                    int day = calendar.get(Calendar.DAY_OF_MONTH);
                    calendar.set(Calendar.DAY_OF_MONTH, 1);
                    calendar.set(Calendar.YEAR, ((Integer) yearsSpinner.getValue()).intValue());
                    int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
                    calendar.set(Calendar.DAY_OF_MONTH, day > maxDay ? maxDay : day);
                    updateView();
                }
            });

        JPanel yearMonthPanel = new JPanel();
        cPane.add(yearMonthPanel, BorderLayout.NORTH);
        yearMonthPanel.setLayout(new BorderLayout());
        yearMonthPanel.add(new JPanel(), BorderLayout.CENTER);
        JPanel yearPanel = new JPanel();
        yearMonthPanel.add(yearPanel, BorderLayout.WEST);
        yearPanel.setLayout(new BorderLayout());
        yearPanel.add(yearsLabel, BorderLayout.WEST);
        yearPanel.add(yearsSpinner, BorderLayout.CENTER);

        monthsLabel = new JLabel("Month: ");
        monthsComboBox = new JComboBox();
        for (int i = 1; i <= 12; i++) {
            monthsComboBox.addItem(new Integer(i));
        }
        monthsComboBox.setSelectedIndex(calendar.get(Calendar.MONTH));
        monthsComboBox.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent actionEvent) {
                    int day = calendar.get(Calendar.DAY_OF_MONTH);
                    calendar.set(Calendar.DAY_OF_MONTH, 1);
                    calendar.set(Calendar.MONTH, monthsComboBox.getSelectedIndex());
                    int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
                    calendar.set(Calendar.DAY_OF_MONTH, day > maxDay ? maxDay : day);
                    updateView();
                }
            });

接下去 JPanel monthPanel = new JPanel();
        yearMonthPanel.add(monthPanel, BorderLayout.EAST);
        monthPanel.setLayout(new BorderLayout());
        monthPanel.add(monthsLabel, BorderLayout.WEST);
        monthPanel.add(monthsComboBox, BorderLayout.CENTER);

        daysModel = new AbstractTableModel() {
                public int getRowCount() {
                    return 7;
                }

                public int getColumnCount() {
                    return 7;
                }

                public Object getValueAt(int row, int column) {
                    if (row == 0) {
                        return getHeader(column);
                    }
                    row--;
                    Calendar calendar = (Calendar) MyCalendar.this.calendar.clone();
                    calendar.set(Calendar.DAY_OF_MONTH, 1);
                    int dayCount = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
                    int moreDayCount = calendar.get(Calendar.DAY_OF_WEEK) - 1;
                    int index = row * 7 + column;
                    int dayIndex = index - moreDayCount + 1;
                    if (index < moreDayCount || dayIndex > dayCount) {
                        return null;
                    } else {
                        return new Integer(dayIndex);
                    }
                }
            };

        daysTable = new CalendarTable(daysModel, calendar);
        daysTable.setCellSelectionEnabled(true);
        daysTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

        daysTable.setDefaultRenderer(daysTable.getColumnClass(0), new TableCellRenderer() {
                public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
                                                               boolean hasFocus, int row, int column) {
                    String text = (value == null) ? "" : value.toString();
                    JLabel cell = new JLabel(text);
                    cell.setOpaque(true);
                    if (row == 0) {
                        cell.setForeground(headerForeground);
                        cell.setBackground(headerBackground);
                    } else {
                        if (isSelected) {
                            cell.setForeground(selectedForeground);
                            cell.setBackground(selectedBackground);
                        } else {
                            cell.setForeground(foreground);
                            cell.setBackground(background);
                        }
                    }

                    return cell;
                }
            });
        updateView();

        cPane.add(daysTable, BorderLayout.CENTER);
    }

    public static String getHeader(int index) {
        switch (index) {
        case 0:
            return WEEK_SUN;
        case 1:
            return WEEK_MON;
        case 2:
            return WEEK_TUE;
        case 3:
            return WEEK_WED;
        case 4:
            return WEEK_THU;
        case 5:
            return WEEK_FRI;
        case 6:
            return WEEK_SAT;
        default:
            return null;
        }
    }

    public void updateView() {
        daysModel.fireTableDataChanged();
        daysTable.setRowSelectionInterval(calendar.get(Calendar.WEEK_OF_MONTH),
                                          calendar.get(Calendar.WEEK_OF_MONTH));
        daysTable.setColumnSelectionInterval(calendar.get(Calendar.DAY_OF_WEEK) - 1,
                                             calendar.get(Calendar.DAY_OF_WEEK) - 1);
    }    public static class CalendarTable extends JTable {        private Calendar calendar;        public CalendarTable(TableModel model, Calendar calendar) {
            super(model);
            this.calendar = calendar;
        }        public void changeSelection(int row, int column, boolean toggle, boolean extend) {
            super.changeSelection(row, column, toggle, extend);
            if (row == 0) {
                return;
            }
            Object obj = getValueAt(row, column);
            if (obj != null) {
                calendar.set(Calendar.DAY_OF_MONTH, ((Integer)obj).intValue());
            }
        }    }

    public static void main(String[] args) {
        JFrame frame = new JFrame("Calendar Application");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        MyCalendar myCalendar = new MyCalendar();
        myCalendar.init();
        frame.getContentPane().add(myCalendar);
        frame.setSize(240, 172);
        frame.show();
    }

}

import java.util.Scanner;
public class CalendarOfYear { /**
* @param args
*/
static int year,monthDay,weekDay;  //定义静态变量，以便其它类调用

public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
    System.out.print("请输入年份:");
    int year1=input.nextInt();
    year=year1;
    weekDay=firstDay(year1);  //计算该年第一天是星期几     System.out.println("\n          "+year1+"年          ");
    printMonth();
   }    public static boolean isLeapYear(int y)  //判断是否是闰年
   {
    return ((y%4==0 && y%100!=0) || (y%400==0));
   }

   public static int firstDay(int y)  //计算该年第一天是星期几
   {
    long n=y*365;
    for(int i=1;i<y;i++)
     if(isLeapYear(i))
      n=n+1;
    return (int)n%7;
   }

   public static void printWeek()  //打印标头
   {
    System.out.println("===========================");
    System.out.println("  日     一      二     三      四     五     六");
   }    public static int getMonthDay(int m)  //获取每个月的天数
   {
    switch(m)
    {
     case 1:
     case 3:
     case 5:
     case 7:
     case 8:
     case 10:
     case 12: return 31;
     case 4:
     case 6:
     case 9:
     case 11: return 30;
     case 2:
      if(isLeapYear(year)) return 29;
      else return 28;
     default: return 0;
    }
   }    public static void printMonth()  //分别按不同条件逐月打印
   {
    for(int m=1;m<=12;m++)    //循环
    {
     System.out.println(m+"月");
     printWeek();
     for(int j=1;j<=weekDay;j++)  //按每个月第一天是星期几打印相应的空格
       System.out.print("    ");
     int monthDay=getMonthDay(m);  //获取每个月的天数
     for(int d=1;d<=monthDay;d++)
     {
      if(d<10)                                  //以下4行对输出格式化
       System.out.print(" "+d+"  ");
      else
       System.out.print(d+"  ");
      weekDay=(weekDay+1)%7;   //每打印一天后，反应第二天是星期几
      if(weekDay==0)  //如果第二天是星期天，便换行。
       System.out.println();
     }
     System.out.println('\n');
    }
}
}

调试易

java代码实现日历表

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