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java 實現萬年曆
首先你要明白1900年一月一日是星期一
import java.util.*;
public class WanNianLi{
public static void main(String args[]){
Scanner input=new Scanner(System.in);
System.out.print(“請輸入年份：”);
int year=input.nextInt();
System.out.print(“請輸入月份：”);
int month=input.nextInt();
int totalDays=1,monthDays=0;
//計算總天數
for(int i=1900;iyear;i++){
if((i%4==0i%100!=0)||(i%400==0)){
totalDays=totalDays+366;
}else{
totalDays=totalDays+365;
}
}
for(int passedMonth=1;passedMonth=month;passedMonth++){
if(passedMonth==1||passedMonth==3||passedMonth==5||passedMonth==7||passedMonth==8||passedMonth==10||passedMonth==12){
monthDays=31;
}else if(passedMonth==2){
if((year%4==0year%100!=0)||(year%400==0)){
monthDays=29;
}else{
monthDays=28;
}
}else{
monthDays=30;
}
if(passedMonthmonth){
totalDays=totalDays+monthDays;
}
}////計算總天數結束
//打印格式，對齊
System.out.println(“星期天\t星期一\t星期二\t星期三\t星期四\t星期五\t星期六”);
int temp = (totalDays%7);
for (int p=0; ptemp;p++) {
System.out.print(“\t”);
}
for (int w=1; w=monthDays;w++) {
System.out.print(w +”\t”);
if ((totalDays+w)%7==0) {
System.out.print(“\n”);
}
}
}
}
java控制台萬年曆
JDK提供的日期類已經夠用了。給你貼一個程序，你把年份，月份，日期（你可以固定為1）輸入到開始的三個參數就可以了。
import java.util.*;
class TestDemo
{
public static void main(String[] args)
{
int year = 2012;
int month = 7;
int day = 16;
Calendar calendar = Calendar.getInstance();//獲得一個日曆
calendar.set(year, month-1, day);//設置當前時間,月份是從0月開始計算
int number = calendar.get(Calendar.DAY_OF_WEEK);//星期表示1-7，是從星期日開始，
String [] str = {“”,”星期日”,”星期一”,”星期二”,”星期三”,”星期四”,”星期五”,”星期六”};
System.out.println(str[number]);
}
}
用java語言編寫一個萬年曆程序，要求只顯示陽曆、節日、還有農曆年、閏年
/**
* @(#)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();
//定義中英文字符數組存儲星期信息,用於轉換顯示
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” };
//定義存儲月份的信息數組,用於轉換顯示方示
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 用於存儲系統時間的變量
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(“宋體”,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(“黑體”,Font.BOLD,14));
}
else{
labelWeek[i].setForeground(Color.BLACK);
labelWeek[i].setFont(new Font(“新宋體”,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 系統日期中的月,諸如Jan\Feb
*@return int
*返回一個整數值,用於尋找stringMonthCn[]數組中對應的中文月份
*/
int i;
for(i=0;i12;i++)
if(month.equalsIgnoreCase(stringMonthEn[i]))
break;
return i;
}
/**
*setNowDate()
*設置當前系統日期
*/
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()
*獲取組合框中應該顯示的年份
*/
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) {
/**
*返回所選年月的天數,因為數組中的數值從0開始,所以3\5\8\10分別代表4\6\9\11幾個小月.
*而1代表2月,經過是否為閏年判斷,選擇返回28或29天.
*其餘月份為大月,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)確定當前紀元中的指定年份是否為閏年。
return 29;
} else {
return 28;
}//閏年的二月返回29天，平年返回28天
default:
return 31;
//大月返回31天
}
}
/**
*int getComboYear()
*獲取組合框中的年份
*/
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()
*獲取月組合框中的整數值,
*/
public int getComboMonth(){
return combo2.getSelectedIndex();
}
public int getInitWeek(String initWeek){
/**
*getWeekNow(String initWeek)
*@para nowWeek 系統日期中的星期
*返回當月中的1號是從星期幾開始
*/
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()
*獲取在組給框中顯示的中文格式月份: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 本月天數
*@para initWeek 初始星期
*@para day 今天日
*設置月曆
*/
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(“黑體”,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(“萬年曆程序–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(“萬年曆程序–Aidy”);
}
}
本文來自CSDN博客，轉載請標明出處：
如何用java做萬年曆
import java.util.Calendar;
public class DateBean
{
private Calendar calendar = Calendar.getInstance();
public DateBean(int year, int month, int date){
calendar.set(year,month-1,date);
}
/*
*獲取月份中的第一個的星期數
*1-7星期日到星期六
*@return int
*/
public int getFistWeek(){
int year = calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH);
calendar.set(year,month,1);
return calendar.get(Calendar.DAY_OF_WEEK);
}
/*
*當月最大天數
*@return int
*/
public int getMaxDate(){
int maxDate = calendar.getActualMaximum(Calendar.DATE);
return maxDate;
}
public void showCalendar(){
System.out.println(“日\t一\t二\t三\t四\t五\t六”);
int min_week = getFistWeek();
int maxDate = getMaxDate();
int tempDate = 0;
//共有幾周
int rowsCount = (maxDate-(7-min_week))/7;
if((maxDate-(7-min_week))%7 == 0){
rowsCount += 1;
}else{
rowsCount += 2;
}
for(int i=0; irowsCount; i++){
int j = 0;
if(i==0){
j = min_week-1;
for(int o=0; omin_week-1; o++){
System.out.print(” \t”);
}
}
for(; j7; j++){
if(tempDate=maxDate){
break;
}
tempDate++;
System.out.print(tempDate+”\t”);
}
System.out.println();
}
}
public static void main(String[] args){
DateBean dateBean = new DateBean(2010,11,19);
dateBean.showCalendar();
}
}
這個修改一下應該可以！！！
原創文章，作者：小藍，如若轉載，請註明出處：https://www.506064.com/zh-hant/n/244444.html
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