用java控制台实现万年历－要求打印当前年月日的日历表格，要求对当天的日期单独标示

以下是用java swing编写的日历，很好用，在我所做的系统里就能够正常的使用

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接下来 是具体代码：

package Demo;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.Frame;

import java.awt.GridLayout;

import java.awt.Point;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.text.ParseException;

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.JFormattedTextField;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JSpinner;

import javax.swing.SpinnerNumberModel;

import javax.swing.SwingConstants;

import javax.swing.SwingUtilities;

import javax.swing.border.LineBorder;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;

public class DateChooser extends JPanel implements ActionListener,

ChangeListener {

/**

*

*/

private static final long serialVersionUID = 1L;

int startYear = 1980;

int lastYear = 2050;

int width = 270;

int height = 200;

Color backGroundColor = Color.gray;

Color palletTableColor = Color.white;

Color todayBackColor = Color.orange;

Color weekFontColor = Color.blue;

Color dateFontColor = Color.black;

Color weekendFontColor = Color.red;

Color controlLineColor = Color.pink;

Color controlTextColor = Color.white;

Color rbFontColor = Color.white;

Color rbBorderColor = Color.red;

Color rbButtonColor = Color.pink;

Color rbBtFontColor = Color.red;

JDialog dialog;

JSpinner yearSpin;

JSpinner monthSpin;

JSpinner hourSpin;

JSpinner minuteSpin;

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

JFormattedTextField jFormattedTextField;

Calendar c = getCalendar();

DateChooser(JFormattedTextField jftf) {

jFormattedTextField = jftf;

setLayout(new BorderLayout());

setBorder(new LineBorder(backGroundColor, 2));

setBackground(backGroundColor);

JPanel topYearAndMonth = createYearAndMonthPanal();

add(topYearAndMonth, BorderLayout.NORTH);

JPanel centerWeekAndDay = createWeekAndDayPanal();

add(centerWeekAndDay, BorderLayout.CENTER);

}

private JPanel createYearAndMonthPanal() {

int currentYear = c.get(Calendar.YEAR);

int currentMonth = c.get(Calendar.MONTH) + 1;

int currentHour = c.get(Calendar.HOUR_OF_DAY);

int currentMinute = c.get(Calendar.MINUTE);

JPanel result = new JPanel();

result.setLayout(new FlowLayout());

result.setBackground(controlLineColor);

yearSpin = new JSpinner(new SpinnerNumberModel(currentYear, startYear,

lastYear, 1));

yearSpin.setPreferredSize(new Dimension(48, 20));

yearSpin.setName("Year");

yearSpin.setEditor(new JSpinner.NumberEditor(yearSpin, "####"));

yearSpin.addChangeListener(this);

result.add(yearSpin);

JLabel yearLabel = new JLabel("年");

yearLabel.setForeground(controlTextColor);

result.add(yearLabel);

monthSpin = new JSpinner(new SpinnerNumberModel(currentMonth, 1, 12, 1));

monthSpin.setPreferredSize(new Dimension(35, 20));

monthSpin.setName("Month");

monthSpin.addChangeListener(this);

result.add(monthSpin);

JLabel monthLabel = new JLabel("月");

monthLabel.setForeground(controlTextColor);

result.add(monthLabel);

hourSpin = new JSpinner(new SpinnerNumberModel(currentHour, 0, 23, 1));

hourSpin.setPreferredSize(new Dimension(35, 20));

hourSpin.setName("Hour");

hourSpin.addChangeListener(this);

result.add(hourSpin);

JLabel hourLabel = new JLabel("时");

hourLabel.setForeground(controlTextColor);

result.add(hourLabel);

minuteSpin = new JSpinner(new SpinnerNumberModel(currentMinute, 0, 59,

1));

minuteSpin.setPreferredSize(new Dimension(35, 20));

minuteSpin.setName("Minute");

minuteSpin.addChangeListener(this);

result.add(minuteSpin);

JLabel minuteLabel = new JLabel("分");

minuteLabel.setForeground(controlTextColor);

result.add(minuteLabel);

return result;

}

private JPanel createWeekAndDayPanal() {

String colname[] = { "日", "一", "二", "三", "四", "五", "六" };

JPanel result = new JPanel();

result.setFont(new Font("宋体", Font.PLAIN, 12));

result.setLayout(new GridLayout(7, 7));

result.setBackground(Color.white);

JLabel cell;

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

cell = new JLabel(colname[i]);

cell.setHorizontalAlignment(JLabel.CENTER);

if (i == 0 || i == 6)

cell.setForeground(weekendFontColor);

else

cell.setForeground(weekFontColor);

result.add(cell);

}

int actionCommandId = 0;

for (int i = 0; i 6; i++)

for (int j = 0; j 7; j++) {

JButton numberButton = new JButton();

numberButton.setBorder(null);

numberButton.setHorizontalAlignment(SwingConstants.CENTER);

numberButton.setActionCommand(String.valueOf(actionCommandId));

numberButton.addActionListener(this);

numberButton.setBackground(palletTableColor);

numberButton.setForeground(dateFontColor);

if (j == 0 || j == 6)

numberButton.setForeground(weekendFontColor);

else

numberButton.setForeground(dateFontColor);

daysButton[i][j] = numberButton;

numberButton.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent e) {

if (e.getClickCount() == 2) {

closeAndSetDate();

}

}

});

result.add(numberButton);

actionCommandId++;

}

return result;

}

private JDialog createDialog(Frame owner) {

JDialog result = new JDialog(owner, "日期时间选择", true);

result.setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);

result.getContentPane().add(this, BorderLayout.CENTER);

result.pack();

result.setSize(width, height);

return result;

}

public void showDateChooser(Point position) {

Object tmpobj=SwingUtilities.getWindowAncestor(jFormattedTextField);

if(tmpobj.getClass().isInstance(new JDialog())||tmpobj.getClass().getSuperclass().isInstance(new JDialog()))

{

JDialog ownerdialog = (JDialog) SwingUtilities

.getWindowAncestor(jFormattedTextField);

Frame owner = (Frame) SwingUtilities.getWindowAncestor(ownerdialog);

if (dialog == null || dialog.getOwner() != owner) {

dialog = createDialog(owner);

}

dialog.setLocation(getAppropriateLocation(owner, position));

}

else if(tmpobj.getClass().isInstance(new JFrame())||tmpobj.getClass().getSuperclass().isInstance(new JFrame()))

{

JFrame ownerFrame = (JFrame) SwingUtilities

.getWindowAncestor(jFormattedTextField);

if (dialog == null || dialog.getOwner() != ownerFrame) {

dialog = createDialog(ownerFrame);

}

dialog.setLocation(getAppropriateLocation(ownerFrame, position));

}

flushWeekAndDay();

dialog.setVisible(true);

}

Point getAppropriateLocation(Frame owner, Point position) {

Point result = new Point(position);

Point p = owner.getLocation();

int offsetX = (position.x + width) - (p.x + owner.getWidth());

int offsetY = (position.y + height) - (p.y + owner.getHeight());

if (offsetX 0) {

result.x -= offsetX;

}

if (offsetY 0) {

result.y -= offsetY;

}

return result;

}

public void closeAndSetDate() {

setDate(c.getTime());

dialog.dispose();

}

private Calendar getCalendar() {

Calendar result = Calendar.getInstance();

result.setTime(getDate());

return result;

}

private int getSelectedYear() {

return ((Integer) yearSpin.getValue()).intValue();

}

private int getSelectedMonth() {

return ((Integer) monthSpin.getValue()).intValue();

}

private int getSelectedHour() {

return ((Integer) hourSpin.getValue()).intValue();

}

private int getSelectedMinute() {

return ((Integer) minuteSpin.getValue()).intValue();

}

private void dayColorUpdate(boolean isOldDay) {

int day = c.get(Calendar.DAY_OF_MONTH);

c.set(Calendar.DAY_OF_MONTH, 1);

int actionCommandId = day - 2 + c.get(Calendar.DAY_OF_WEEK);

int i = actionCommandId / 7;

int j = actionCommandId % 7;

if (isOldDay)

daysButton[i][j].setForeground(dateFontColor);

else

daysButton[i][j].setForeground(todayBackColor);

}

private void flushWeekAndDay() {

c.set(Calendar.DAY_OF_MONTH, 1);

int maxDayNo = c.getActualMaximum(Calendar.DAY_OF_MONTH);

int dayNo = 2 - c.get(Calendar.DAY_OF_WEEK);

for (int i = 0; i 6; i++) {

for (int j = 0; j 7; j++) {

String s = "";

if (dayNo = 1 dayNo = maxDayNo)

s = String.valueOf(dayNo);

daysButton[i][j].setText(s);

dayNo++;

}

}

dayColorUpdate(false);

}

public void stateChanged(ChangeEvent e) {

JSpinner source = (JSpinner) e.getSource();

if (source.getName().equals("Minute")) {

c.set(Calendar.MINUTE, getSelectedMinute());

return;

}

if (source.getName().equals("Hour")) {

c.set(Calendar.HOUR_OF_DAY, getSelectedHour());

return;

}

dayColorUpdate(true);

if (source.getName().equals("Year")) {

c.set(Calendar.YEAR, getSelectedYear());

}

if (source.getName().equals("Month")) {

c.set(Calendar.MONTH, getSelectedMonth() - 1);

}

flushWeekAndDay();

}

public void actionPerformed(ActionEvent e) {

JButton source = (JButton) e.getSource();

if (source.getText().length() == 0)

return;

dayColorUpdate(true);

source.setForeground(todayBackColor);

int newDay = Integer.parseInt(source.getText());

c.set(Calendar.DAY_OF_MONTH, newDay);

}

public void setDate(Date date) {

jFormattedTextField.setText(getDefaultDateFormat().format(date));

}

public Date getDate() {

try {

String dateString = jFormattedTextField.getText();

return getDefaultDateFormat().parse(dateString);

} catch (ParseException e) {

return getNowDate();

} catch (Exception ee) {

return getNowDate();

}

}

private static Date getNowDate() {

return Calendar.getInstance().getTime();

}

private static SimpleDateFormat getDefaultDateFormat() {

return new SimpleDateFormat("yyyy-MM-dd HH:mm");

}

}

测试程序：

package Demo;

import java.awt.Point;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFormattedTextField;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

public class DemoForDateChooser extends JFrame {

private JFormattedTextField formattedTextField;

/**

* Launch the application

* @param args

*/

public static void main(String args[]) {

try {

DemoForDateChooser frame = new DemoForDateChooser();

frame.setVisible(true);

} catch (Exception e) {

e.printStackTrace();

}

}

/**

* Create the frame

*/

public DemoForDateChooser() {

super();

setTitle("日期选择框");

getContentPane().setLayout(null);

setBounds(100, 100, 383, 137);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

final JPanel panel = new JPanel();

panel.setLayout(null);

panel.setBounds(0, 0, 375, 107);

getContentPane().add(panel);

formattedTextField = new JFormattedTextField();

formattedTextField.setBounds(68, 48, 175, 23);

final JButton button = new JButton();

button.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent arg0) {

DateChooser mDateChooser=new DateChooser(formattedTextField);

Point p = button.getLocationOnScreen();

p.y = p.y + 30;

mDateChooser.showDateChooser(p);

formattedTextField.requestFocusInWindow();

}

});

button.setText("选择日期");

button.setBounds(249, 47, 99, 23);

panel.add(button);

final JLabel label = new JLabel();

label.setText("日期：");

label.setBounds(10, 47, 71, 23);

panel.add(label);

panel.add(formattedTextField);

//

}

}

求Java万年历源代码!!!

我有个JS的要么？

你可以把他改下我是没时间帮你该哈！！！

!--日期框选择--

var DS_x,DS_y;

function dateSelector() //构造dateSelector对象，用来实现一个日历形式的日期输入框。

{

var myDate=new Date();

this.year=myDate.getFullYear(); //定义year属性，年份，默认值为当前系统年份。

this.month=myDate.getMonth()+1; //定义month属性，月份，默认值为当前系统月份。

this.date=myDate.getDate(); //定义date属性，日，默认值为当前系统的日。

this.inputName=''; //定义inputName属性，即输入框的name，默认值为空。注意：在同一页中出现多个日期输入框，不能有重复的name！

this.display=display; //定义display方法，用来显示日期输入框。

}

function display() //定义dateSelector的display方法，它将实现一个日历形式的日期选择框。

{

var week=new Array('日','一','二','三','四','五','六');

document.write("style type=text/css");

document.write(" .ds_font td,span { font: normal 12px 宋体; color: #000000; }");

document.write(" .ds_border { border: 1px solid #000000; cursor: hand; background-color: #DDDDDD }");

document.write(" .ds_border2 { border: 1px solid #000000; cursor: hand; background-color: #DDDDDD }");

document.write("/style");

var M=new String(this.month);

var d=new String(this.date);

if(M.length==1d.length==1){

document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-0"+this.month+"-0"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");}

else if(M.length==1d.length==2){

document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-0"+this.month+"-"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");}

else if(M.length==2d.length==1){

document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-"+this.month+"-0"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");}

else if(M.length==2d.length==2){

document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-"+this.month+"-"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");}

document.write("button style='width:60px;height:18px;font-size:12px;margin:1px;border:1px solid #A4B3C8;background-color:#DFE7EF;' type=button onclick=this.nextSibling.style.display='block' onfocus=this.blur()日期/button");

document.write("div style='position:absolute;display:none;text-align:center;width:0px;height:0px;overflow:visible' onselectstart='return false;'");

document.write(" div style='position:absolute;left:-60px;top:20px;width:142px;height:165px;background-color:#F6F6F6;border:1px solid #245B7D;' class=ds_font");

document.write(" table cellpadding=0 cellspacing=1 width=140 height=20 bgcolor=#CEDAE7 onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();' onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)' style='cursor:move;'");

document.write(" tr align=center");

document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=subYear(this) title='减小年份'/td");

document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=subMonth(this) title='减小月份'/td");

document.write(" td width=52%b"+this.year+"/bb年/bb"+this.month+"/bb月/b/td");

document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=addMonth(this) title='增加月份'/td");

document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=addYear(this) title='增加年份'/td");

document.write(" /tr");

document.write(" /table");

document.write(" table cellpadding=0 cellspacing=0 width=140 height=20 onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();' onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)' style='cursor:move;'");

document.write(" tr align=center");

for(i=0;i7;i++)

document.write(" td"+week[i]+"/td");

document.write(" /tr");

document.write(" /table");

document.write(" table cellpadding=0 cellspacing=2 width=140 bgcolor=#EEEEEE");

for(i=0;i6;i++)

{

document.write(" tr align=center");

for(j=0;j7;j++)

document.write(" td width=10% height=16 onmouseover=if(this.innerText!=''this.className!='ds_border2')this.className='ds_border' onmouseout=if(this.className!='ds_border2')this.className='' onclick=getValue(this,document.all('DS_"+this.inputName+"'))/td");

document.write(" /tr");

}

document.write(" /table");

document.write(" span style=cursor:hand onclick=this.parentNode.parentNode.style.display='none'【关闭】/span");

document.write(" /div");

document.write("/div");

dateShow(document.all("DS_"+this.inputName).nextSibling.nextSibling.childNodes[0].childNodes[2],this.year,this.month)

}

function subYear(obj) //减小年份

{

var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;

myObj[0].innerHTML=eval(myObj[0].innerHTML)-1;

dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))

}

function addYear(obj) //增加年份

{

var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;

myObj[0].innerHTML=eval(myObj[0].innerHTML)+1;

dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))

}

function subMonth(obj) //减小月份

{

var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;

var month=eval(myObj[2].innerHTML)-1;

if(month==0)

{

month=12;

subYear(obj);

}

myObj[2].innerHTML=month;

dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))

}

function addMonth(obj) //增加月份

{

var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;

var month=eval(myObj[2].innerHTML)+1;

if(month==13)

{

month=1;

addYear(obj);

}

myObj[2].innerHTML=month;

dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))

}

function dateShow(obj,year,month) //显示各月份的日

{

var myDate=new Date(year,month-1,1);

var today=new Date();

var day=myDate.getDay();

var selectDate=obj.parentNode.parentNode.previousSibling.previousSibling.value.split('-');

var length;

switch(month)

{

case 1:

case 3:

case 5:

case 7:

case 8:

case 10:

case 12:

length=31;

break;

case 4:

case 6:

case 9:

case 11:

length=30;

break;

case 2:

if((year%4==0)(year%100!=0)||(year%400==0))

length=29;

else

length=28;

}

for(i=0;iobj.cells.length;i++)

{

obj.cells[i].innerHTML='';

obj.cells[i].style.color='';

obj.cells[i].className='';

}

for(i=0;ilength;i++)

{

obj.cells[i+day].innerHTML=(i+1);

if(year==today.getFullYear()(month-1)==today.getMonth()(i+1)==today.getDate())

obj.cells[i+day].style.color='red';

if(year==eval(selectDate[0])month==eval(selectDate[1])(i+1)==eval(selectDate[2]))

obj.cells[i+day].className='ds_border2';

}

}

function getValue(obj,inputObj) //把选择的日期传给输入框

{

var myObj=inputObj.nextSibling.nextSibling.childNodes[0].childNodes[0].cells[2].childNodes;

if(obj.innerHTML)

if(obj.innerHTML.length==1myObj[2].innerHTML.length==1)

inputObj.value=myObj[0].innerHTML+"-0"+myObj[2].innerHTML+"-0"+obj.innerHTML;

else if(obj.innerHTML.length==1myObj[2].innerHTML.length==2)

inputObj.value=myObj[0].innerHTML+"-"+myObj[2].innerHTML+"-0"+obj.innerHTML;

else if(obj.innerHTML.length==2myObj[2].innerHTML.length==1)

inputObj.value=myObj[0].innerHTML+"-0"+myObj[2].innerHTML+"-"+obj.innerHTML;

else if(obj.innerHTML.length==2myObj[2].innerHTML.length==2)

inputObj.value=myObj[0].innerHTML+"-"+myObj[2].innerHTML+"-"+obj.innerHTML;

inputObj.nextSibling.nextSibling.style.display='none';

for(i=0;iobj.parentNode.parentNode.parentNode.cells.length;i++)

obj.parentNode.parentNode.parentNode.cells[i].className='';

obj.className='ds_border2'

}

function dsMove(obj) //实现层的拖移

{

if(event.button==1)

{

var X=obj.clientLeft;

var Y=obj.clientTop;

obj.style.pixelLeft=X+(event.x-DS_x);

obj.style.pixelTop=Y+(event.y-DS_y);

}

}

/***调用代码**

script language=javascript

var myDate=new dateSelector();

myDate.year=1900;//morenqiri

myDate.inputName='date'; //

myDate.display();

/script

*/

问：编写 万年历java代码例如1900年一月一日是星期一。用for if 语句

import java.util.Calendar;

import java.util.Date;

import java.util.Scanner;

public class MyCalendar

{

public static void main(String[] args)

{

Scanner scanner = new Scanner(System.in);

String reg = "^(\\d+)[^\\d]+((0?[1-9])|(1[012]))$";

while(true)

{

System.out.println("输入年月(年和月用非数字隔开:如2015.1)(什么都不输入直接退出)");

String line = scanner.nextLine().trim();

if("".equals(line))

{

scanner.close();

break;

}

if(!line.matches(reg))

{

continue;

}

int year = Integer.parseInt(line.replaceAll(reg, "$1"));

int month = Integer.parseInt(line.replaceAll(reg, "$2"));

System.out.println("日\t一\t二\t三\t四\t五\t六");

Calendar calendar = Calendar.getInstance();

// 这个月的1号是星期几

calendar.set(year, month - 1, 1);

int day = calendar.get(Calendar.DAY_OF_WEEK);

int start = Calendar.SUNDAY;

calendar.add(Calendar.DATE, -day + start);

while(start  day)

{

System.out.print(calendar.get(Calendar.DATE) + "\t");

calendar.add(Calendar.DATE, 1);

start++;

}

calendar.set(year, month - 1, 1);

Date now = calendar.getTime();

calendar.set(year, month, 1);

Date next = calendar.getTime();

for(Date cur = now; cur.before(next);)

{

calendar.setTime(cur);

int x = calendar.get(Calendar.DATE);

String tmp = x  10 ? "0" + x : x + "";

System.out.print(tmp + "\t");

if(calendar.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY)

{

System.out.println();

}

calendar.add(Calendar.DATE, 1);

cur = calendar.getTime();

}

calendar.add(Calendar.DATE, -1);

int to = calendar.get(Calendar.DAY_OF_WEEK);

int end = Calendar.SATURDAY;

while(to  end)

{

calendar.add(Calendar.DATE, 1);

int x = calendar.get(Calendar.DATE);

String tmp = x  10 ? "0" + x : x + "";

System.out.print(tmp + "\t");

to++;

}

System.out.println();

}

}

}

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