JAVA画时钟代码

import java.awt.*;

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import java.awt.event.*;

import javax.swing.*;

import sun.util.calendar.Gregorian;

import java.util.Calendar;

import java.util.GregorianCalendar;

public class ClockPointer extends JFrame{

int x, y, x0, y0, r, h, olds_x, olds_y, oldm_x, oldm_y, oldh_x, oldh_y, 

ss,mm, hh, old_m, old_h, ang;

final double RAD = Math.PI/180;

public ClockPointer(){

super("Java时钟");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Image image = getToolkit().getImage("clock.gif");

setIconImage(image);

setSize(400,400);

setBackground(Color.white);

//setLocation(300,150);

this.setLocationRelativeTo(null);

setResizable(true);

int delay = 1000;

//创建一个监听事件

setVisible(true);

ActionListener drawClock = new ActionListener(){

public void actionPerformed(ActionEvent evt){

repaint();

}

};

//创建一个时间计数器，每一秒触发一次

new Timer(delay, drawClock).start();

}

java.text.SimpleDateFormat fmTime = new java.text.SimpleDateFormat("HH:mm:ss");

//绘制图形

public void paint(Graphics g){

super.paint(g);

g.setFont(null);

Graphics2D g2D = (Graphics2D)g;

Insets insets = getInsets();

int L = insets.left/2, T = insets.top/2;

h = getSize().height;

g.setColor(Color.white);

//画圆

g2D.setStroke(new BasicStroke(2.0f));

g.setColor(Color.gray);

g.drawOval(L+40, T+40, h-80, h-80);

r = h/2 - 40;

x0 = 40 + r - 5 + L;

y0 = 40 + r - 5 - T;

ang = 60;

//绘制时钟上的12个字

for(int i = 1;i = 12;i ++){

x = (int)((r+10)*Math.cos(RAD*ang)+x0);

y = (int)((r+10)*Math.sin(RAD*ang)+y0);

g.setColor(Color.black);

g.drawString(""+i, x, h-y);

ang -=30;

}

//获得现在的时间

Calendar now = new GregorianCalendar();

int nowh = now.get(Calendar.HOUR_OF_DAY);

int nowm = now.get(Calendar.MINUTE);

int nows = now.get(Calendar.SECOND);

String st=fmTime.format(now.getTime());

//在窗体上显示时间

g.setColor(Color.pink);

g.fillRect(L, T, 50, 28);

g.setColor(Color.blue);

g.drawString(st,L+2,T+26);

//计算时间与度数的关系

ss = 90 - nows*6;

mm = 90 - nowm*6;

hh = 90 - nowh*30 - nowm/2;

x0 = r+40+L;

y0 = r+40+T;

g2D.setStroke(new BasicStroke(1.2f));

//擦除秒针

//if(olds_x  0){

//    g.setColor(getBackground());

//    // g.setColor(Color.gray);

//    g.drawLine(x0, y0, olds_x, h-olds_y); // (?)

//}

//绘制秒针

x = (int)(r*0.9*Math.cos(RAD*ss))+x0;

y = (int)(r*0.9*Math.sin(RAD*ss))+y0-2*T;

g.setColor(Color.yellow);

g.drawLine(x0, y0, x, h-y);

olds_x = x;

olds_y = y;

g2D.setStroke(new BasicStroke(2.2f));

//擦除分针

//if(old_m!=mm){

//    g.setColor(getBackground());

//    g.drawLine(x0,y0,oldm_x,h-oldm_y);

//}

//绘制分针

x = (int)(r*0.7*Math.cos(RAD*mm))+x0;

y = (int)(r*0.7*Math.sin(RAD*mm))+y0-2*T;

g.setColor(Color.green);

g.drawLine(x0,y0,x,h-y);

oldm_x = x;

oldm_y = y;

old_m = mm;

g2D.setStroke(new BasicStroke(3.2f));

//擦除时针

//if(old_h!=hh){

//    g.setColor(getBackground());

//    g.drawLine(x0,y0,oldh_x,h-oldh_y);

//}

//绘制时针

x = (int)(r*0.5*Math.cos(RAD*hh))+x0;

y = (int)(r*0.5*Math.sin(RAD*hh))+y0-2*T;

g.setColor(Color.red);

g.drawLine(x0,y0,x,h-y);

oldh_x = x;

oldh_y = y;

old_h = hh;

}

public static void main(String[] args){

new ClockPointer();

}

}

//整理一下

我有万年历和时钟的java源代码，但不知道怎么把他们在一个程序中显示出来？知道的请回复

/**

* @(#)AidyCalender.java

*

*

* @author

* @version 1.00 2008/7/19

*/

import java.awt.*;

import java.awt.event.*;

import java.lang.StringBuffer;

import javax.swing.*;

import java.util.*;

import javax.swing.Timer;

import javax.swing.border.*;

public class AidyCalender extends JFrame implements ActionListener,ItemListener{

Date date = new Date();

private GregorianCalendar gregorianCalendar = new GregorianCalendar();

//定义中英文字符数组存储星期信息,用于转换显示

private String[] stringWeekEn = new String[] { "SUN", "MON", "TUE", "WED",

"THU", "FRI", "SAT" };

private String[] stringWeekCn = new String[] { "星期日", "星期一", "星期二", "星期三",

"星期四", "星期五", "星期六" };

//定义存储月份的信息数组,用于转换显示方示

private String[] stringMonthEn = new String[] { "Jan", "Feb", "Mar", "Apr",

"May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec" };

private String[] stringMonthCn = {"一月","二月","三月","四月","五月","六月",

"七月","八月","九月","十月","十一月","十二月"};

private String[] sysNowTime = new String[6];//sysNowTime 用于存储系统时间的变量

private String[] sysRunTime = new String[6];

private JLabel []labelWeek = new JLabel[7];

private JLabel []labelDay = new JLabel[42];

private JLabel labelTime = new JLabel();

private JPanel panel1 = new JPanel();

private JPanel panel2 = new JPanel();

private JPanel panel3 = new JPanel();

private JComboBox combo1 = new JComboBox();

private JComboBox combo2 = new JComboBox();

private JButton buttonToday = new JButton();

private Border border = BorderFactory.createRaisedBevelBorder();

private Border border1 = BorderFactory.createLineBorder(Color.cyan,3);

public AidyCalender(String title) {

super(title);

for (int y = 1900; y 2101; y++) {

combo1.addItem(" " + new Integer(y).toString()+"年");

}

for (int m = 0;m12;m++){

combo2.addItem(" "+stringMonthCn[m]);

}

buttonToday.setText("今 天");

setLayout(new FlowLayout());

add(panel1);

add(panel2);

add(panel3);

panel1.setLayout(new GridLayout(1,3,10,0));

panel1.add(combo1);

combo1.addItemListener(this);

panel1.add(combo2);

combo2.addItemListener(this);

panel1.add(buttonToday);

buttonToday.addActionListener(this);

labelTime.setFont(new Font("宋体",Font.PLAIN,16));

labelTime.setForeground(Color.MAGENTA);

panel1.add(labelTime);

Timer time = new Timer(1000,new TimerListener());

time.addActionListener(new TimerListener());

//time.setRepeats(true);

time.start();

//labelTime.addAncestorListener(new TimerListener());

panel2.setLayout(new GridLayout(7,7,0,10));

panel2.setBackground(Color.white);

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

labelWeek[i] = new JLabel();

labelWeek[i].setHorizontalAlignment(0);

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

labelWeek[i].setBackground(Color.blue);

labelWeek[i].setForeground(Color.RED);

labelWeek[i].setFont(new Font("黑体",Font.BOLD,14));

}

else{

labelWeek[i].setForeground(Color.BLACK);

labelWeek[i].setFont(new Font("新宋体",Font.PLAIN,14));

}

labelWeek[i].setText(stringWeekCn[i]);

panel2.add(labelWeek[i]);

}

for(int i= 0;i42;i++){

labelDay[i] = new JLabel();

labelDay[i].setHorizontalAlignment(0);

labelDay[i].setText("");

panel2.add(labelDay[i]);

}

addWindowListener(new WindowAdapter(){

public void windowClosing(WindowEvent e){

System.exit(0);

}

});

setSize(300,300);

setBounds(250, 200, 400, 360);

setVisible(true);

setResizable(false);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

getSysDate();

setNowDate();

}

public void actionPerformed(ActionEvent ae){

if(ae.getSource()==buttonToday){

setNowDate();

}

}

public void itemStateChanged(ItemEvent aa){

setChangeDate();

}

public int turnWeek(String week){

int i;

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

if(week.equalsIgnoreCase(stringWeekEn[i]))

break;

return i;

}

public int turnMonth(String month){

/**

*int turnMonth(String month)

*@month 系统日期中的月,诸如Jan\Feb

*@return int

*返回一个整数值,用于寻找stringMonthCn[]数组中对应的中文月份

*/

int i;

for(i=0;i12;i++)

if(month.equalsIgnoreCase(stringMonthEn[i]))

break;

return i;

}

/**

*setNowDate()

*设置当前系统日期

*/

public void setNowDate(){

setSysDate(getNowYear(),getNowMonth());

getSysRunDate();

setDateNull();

combo1.setSelectedIndex(getShowYear() - 1900);

combo2.setSelectedIndex(getShowMonth());

setDays(getMonthDays(getNowYear(),getNowMonth()),getInitWeek(sysRunTime[0]),getNowDay());

//labelTime.setText(sysNowTime[3]);

//labelTime.setHorizontalAlignment(0);

}

/**Integer getShowYear()

*获取组合框中应该显示的年份

*/

public void setSysDate(int year,int month){

gregorianCalendar.set(year,month,1);

}

public void setDateNull(){

for(int i=0;i42;i++){

labelDay[i].setText("");

}

}

public void setChangeDate(){

setSysDate(getComboYear(),getComboMonth());

getSysRunDate();

setDateNull();

setDays(getMonthDays(getComboYear(),getComboMonth()),getInitWeek(sysRunTime[0]),-1);

}

public int getMonthDays(int year, int month) {

/**

*返回所选年月的天数,因为数组中的数值从0开始,所以3\5\8\10分别代表4\6\9\11几个小月.

*而1代表2月,经过是否为闰年判断,选择返回28或29天.

*其余月份为大月,返回31天.

**/

switch (month) {

case 3:

case 5:

case 8:

case 10:

return 30;//小月返回30天

case 1:

if (gregorianCalendar.isLeapYear(year)) {

//isLeapYear(year)确定当前纪元中的指定年份是否为闰年。

return 29;

} else {

return 28;

}//闰年的二月返回29天，平年返回28天

default:

return 31;

//大月返回31天

}

}

/**

*int getComboYear()

*获取组合框中的年份

*/

public void getSysDate(){

date = gregorianCalendar.getTime();

sysNowTime = (date.toString()).split(" ");

}

public void getSysRunDate(){

date = gregorianCalendar.getTime();

sysRunTime = (date.toString()).split(" ");

}

public int getComboYear(){

return combo1.getSelectedIndex()+1900;

}

/**

*int getComboMonth()

*获取月组合框中的整数值,

*/

public int getComboMonth(){

return combo2.getSelectedIndex();

}

public int getInitWeek(String initWeek){

/**

*getWeekNow(String initWeek)

*@para nowWeek 系统日期中的星期

*返回当月中的1号是从星期几开始

*/

int nowWeek = 0 ;

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

if(initWeek.equalsIgnoreCase(stringWeekEn[i])){

nowWeek = i;

break;

}

}

return nowWeek;

}

public int getNowYear(){

return Integer.parseInt(sysNowTime[5]);

}

public int getNowMonth(){

int nowMonth=0;

for(int i=0;i12;i++){

if(sysNowTime[1].equalsIgnoreCase(stringMonthEn[i]));

nowMonth=i;

break;

}

return nowMonth;

}

public int getNowDay(){

return Integer.parseInt(sysNowTime[2]);

}

public Integer getShowYear(){

return Integer.parseInt(sysNowTime[5]);

}

public Integer getShowMonth(){

/**

*Integer getShowMonth()

*获取在组给框中显示的中文格式月份:如七月\八月等

*/

return turnMonth(sysNowTime[1]);

}

public void setDays(int monthDays,int initWeek,int day){

/**

*void setDays(int monthDays,int initWeek,int day)

*@para monthDays 本月天数

*@para initWeek 初始星期

*@para day 今天日

*设置月历

*/

setDateNull();

for(int i=initWeek;iinitWeek+monthDays+1;i++){

if((i-initWeek+1)==day){

labelDay[i].setBorder(border1);

labelDay[i].setForeground(Color.BLUE);

labelDay[i].setFont(new Font("黑体",Font.BOLD,20));

}else if((i%7==0)||(i%7==6))

labelDay[i].setForeground(Color.RED);

else{

labelDay[i].setForeground(Color.BLACK);

}

labelDay[i].setText(String.valueOf(i-initWeek+1));

}

for(int i=initWeek+monthDays;i42;i++)

labelDay[i].setText("");

}

class TimerListener implements ActionListener{

//AdapterDemo var=new AdapterDemo("万年历程序--Aidy");

public void actionPerformed(ActionEvent e) {

GregorianCalendar g = new GregorianCalendar();

String clock = new String((g.getTime().toString().split(" "))[3]);

labelTime.setText(clock);

}

}

public static void main(String args[])

{

try{

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

}catch(Exception e){

throw new RuntimeException(e);

}

AidyCalender var=new AidyCalender("万年历程序--Aidy");

}

}

本文来自CSDN博客，转载请标明出处：

求Java 日历的小程序的源代码

也不知道你具体需求是什么，以前改过一个日历程序，一共四个java类，放在同一个包里。经测试可以运行。

//Start.java

import java.awt.*;

import javax.swing.*;

class Start{

public static void main(String [] args){

DateFrame frame=new DateFrame();

frame.setLocationRelativeTo(frame);

frame.setResizable(false);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setVisible(true);

}

}

//DateInfo.java

import java.util.*;

public class DateInfo{

private int mYear, mMonth;

private int mDayOfMonth, mFristWeek;

public DateInfo(int year, int month) throws DateException{

mYear = year;

if (month 0 || month 12){

throw (new DateException());

}

mMonth = month;

mDayOfMonth = getDayOfMonth(mYear, mMonth);

mFristWeek = getFristWeek(mYear, mMonth);

}

private int getDayOfMonth(int year, int month){

int[][] ary = {{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},

{0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};

return (ary[isLeapYear(year)][month]);

}

private int isLeapYear(int year){

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

return (1);

}

else{

return (0);

}

}

private int getFristWeek(int year, int month){

java.util.Calendar cal = Calendar.getInstance();

cal.set(year, month - 1, 1);

return (cal.get(Calendar.DAY_OF_WEEK) - 1);

}

public String toString(){

String str;

str = "\t\t" + mYear + "年" + mMonth + "月\n";

str += "日\t一\t二\t三\t四\t五\t六\n";

int i;

for (i = 1; i = mFristWeek; i++){

str += " \t";

}

for (int j = 1; j = mDayOfMonth; j++, i++){

str +=j+"\t" ;

if (i % 7 == 0){

str += "\n";

}

}

return (str);

}

}

//DateFrame.java

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.util.Calendar;

class DateFrame extends JFrame implements Runnable{

Calendar date=Calendar.getInstance();

String[] str={"1","2","3","4","5","6","7","8","9","10","11","12"};

JLabel lblYear=new JLabel("年 ");

JLabel lblMonth=new JLabel("月 ");

JLabel lblDate=new JLabel("现在的时间是:");

JLabel lblShowDate=new JLabel();

// javax.swing.JTextField trxt =new JTextField(10);

// trxt.setHorizontalAlignment(JTextField.RIGHT); //设置文本从右边输入

JComboBox cboMonth=new JComboBox(str);

JComboBox cboYear=new JComboBox();

JTextArea txaShow=new JTextArea();

JPanel pnlNorth=new JPanel();

JPanel pnlSOUTH=new JPanel();

JButton btnShow=new JButton("显示");

JButton btnClose=new JButton("关闭");

JScrollPane jsp=new JScrollPane(txaShow);

Container c=this.getContentPane();

public DateFrame(){

Thread thread=new Thread(this);

thread.start();

this.setTitle("玩玩日历拉!!!");

this.setSize(300,260);

for (int i = 1990; i=2025; i++) {

cboYear.addItem(""+i);

}

cboYear.setSelectedItem(""+(date.get(Calendar.YEAR)));

cboMonth.setSelectedItem(""+(date.get(Calendar.MONTH)+1));

pnlNorth.add(cboYear);

txaShow.setTabSize(4); //设置tab键的距离

txaShow.setForeground(Color.GREEN);

pnlNorth.add(lblYear);

pnlNorth.add(cboMonth);

pnlNorth.add(lblMonth);

pnlNorth.add(lblDate);

pnlNorth.add(lblShowDate);

c.add(pnlNorth,BorderLayout.NORTH);

c.add(jsp);

pnlSOUTH.add(btnShow);

pnlSOUTH.add(btnClose);

c.add(pnlSOUTH,BorderLayout.SOUTH);

btnShow.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

int year=Integer.parseInt((String)cboYear.getSelectedItem());

int month=Integer.parseInt((String)cboMonth.getSelectedItem());

try {

DateInfo date=new DateInfo(year,month);

txaShow.setText(""+date);

}

catch (DateException ex) {

ex.printStackTrace();

}

}

});

btnClose.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

System.exit(0);

}

});

}

public void run(){

try {

while(true){

Thread.sleep(1000);

int hour=date.get(Calendar.HOUR);

int minute=date.get(Calendar.MINUTE);

int second=date.get(Calendar.SECOND);

String str=hour+":"+minute+":"+second;

lblShowDate.setText(str);

//this.repaint();

}

}

catch (Exception ex) {

ex.printStackTrace();

}

}

}

//DateException.java

public class DateException extends Exception{

public DateException(){

super("日期数据不合法.");

}

}

本文名称：java日历时钟源代码 java显示日历编程
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