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package clock;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;public class Lunar {private int year;private int month;private int day;private boolean leap;final static String chineseNumber[] = {"一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二"};static SimpleDateFormat chineseDateFormat = new SimpleDateFormat("yyyy年MM月dd 日");final static long[] lunarInfo = new long[]{0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2,0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977,0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970,0x06566, 0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950,0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557,0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5d0, 0x14573, 0x052d0, 0x0a9a8, 0x0e950, 0x06aa0,0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0,0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b5a0, 0x195a6,0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570,0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0,0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5,0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930,0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530,0x05aa0, 0x076a3, 0x096d0, 0x04bd7, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520,0x0dd45,0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0};//====== 传回农历y年的总天数final private static int yearDays(int y) {int i, sum = 348;for (i = 0x8000; i > 0x8; i >>= 1) {if ((lunarInfo[y - 1900] & i) != 0) sum += 1;}return (sum + leapDays(y));}//====== 传回农历y年闰月的天数final private static int leapDays(int y) {if (leapMonth(y) != 0) {if ((lunarInfo[y - 1900] & 0x10000) != 0)return 30;elsereturn 29;} elsereturn 0;}//====== 传回农历y年闰哪个月1-12 , 没闰传回0final private static int leapMonth(int y) {return (int) (lunarInfo[y - 1900] & 0xf);}//====== 传回农历y年m月的总天数final private static int monthDays(int y, int m) {if ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0)return 29;elsereturn 30;}//====== 传回农历y年的生肖final public String animalsYear() {final String[] Animals = new String[]{"鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪"};return Animals[(year - 4) % 12];}//====== 传入月日的offset 传回干支, 0=甲子final private static String cyclicalm(int num) {final String[] Gan = new String[]{"甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"};final String[] Zhi = new String[]{"子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"};return (Gan[num % 10] + Zhi[num % 12]);}//====== 传入offset 传回干支, 0=甲子final public String cyclical() {int num = year - 1900 + 36;return (cyclicalm(num));}/** *//*** 传出y年m月d日对应的农历.* yearCyl3:农历年与1864的相差数?* monCyl4:从1900年1月31日以来,闰月数* dayCyl5:与1900年1月31日相差的天数,再加40 ?* @param cal* @return*/public Lunar(Calendar cal) {@SuppressWarnings("unused") int yearCyl, monCyl, dayCyl;int leapMonth = 0;Date baseDate = null;try {baseDate = chineseDateFormat.parse("1900年1月31日");} catch (ParseException e) {e.printStackTrace(); //To change body of catch statement use Options | File Templates.}//求出和1900年1月31日相差的天数int offset = (int) ((cal.getTime().getTime() - baseDate.getTime()) / 86400000L);dayCyl = offset + 40;monCyl = 14;//用offset减去每农历年的天数// 计算当天是农历第几天//i最终结果是农历的年份//offset是当年的第几天In用java实现简单的万年历输出的代码(2009-12-14 19:08:55)转载标签：分类：计算机类itimport java.util.Scanner;public class Zuizhong{public static void main(String[] args){Scanner input=new Scanner(System.in);System.out.println("--------------------------欢迎使用万年历程序----------------------"); System.out.print("请输入年份:");int year=input.nextInt();System.out.print("\n请输入月份:");int month=input.nextInt();//打印换行符System.out.println();//计算1900年1月1日到指定年份前一年的天数int totalDays=0;//判断是否是1900后的年份if(year>=1900){for(int i=1900;i<year;i++){//判断是否闰年,闰年加366天,否则加365天if((i%4==0 && i%100!=0)||(i%400==0))totalDays+=366;else totalDays+=365;}//计算指定年份1月到指定月份1号之间的天数int daysOfMonth=0;int days;for(int i=1;i<month;i++){switch(i){case 2:if((year%4==0 && year%100!=0)|| year%400==0) days=29;else days=28;break;case 4:case 6:case 9:case 11:days=30;break;default:days=31;}daysOfMonth+=days;}//获得指定年月的天数switch(month){case 2:if((year%4==0 && year%100!=0)|| year%400==0) days=29;else days=28;break;case 4:case 6:case 9:case 11:days=30;break;default:days=31;}//1900.1.1到指定年月1号之间的总天数totalDays+=daysOfMonth;//计算指定年月1号的星期数int firstDay=(totalDays)%7+1;//上一行算出的星期数是1到7,因此要转换成0-6,即星期日=0if(firstDay==7)firstDay=0;//显示月历System.out.println("星期日\t星期一\t星期二\t星期三\t星期四\t星期五\t星期六");//打印1号之前的空格for(int i=0;i<firstDay;i++)System.out.print("\t");//打印月历for(int i=1;i<=days;i++){System.out.print(i+"\t");//如果是星期六,换行if((i-1)%7+firstDay==6)System.out.println();}}else if(year>0&&year<1900){for(int i=1899;i>year;i--){//判断是否闰年,闰年加366天,否则加365天if((i%4==0 && i%100!=0)||(i%400==0))totalDays+=366;else totalDays+=365;}//计算指定年份12月到指定月份31号之后的天数int daysOfMonth=0;int days;for(int i=12;i>=month;i--){switch(i){case 2:if((year%4==0 && year%100!=0)|| year%400==0) days=29;else days=28;break;case 4:case 6:case 9:case 11:days=30;break;default:days=31;}daysOfMonth+=days;}//获得指定年月的天数switch(month){case 2:if((year%4==0 && year%100!=0)|| year%400==0) days=29;else days=28;break;case 4:case 6:case 9:case 11:days=30;break;default:days=31;}//1900.1.1到指定年月1号之间的总天数totalDays+=daysOfMonth;//计算指定年月1号的星期数int firstDay=8-(totalDays)%7;//上一行算出的星期数是1到7,因此要转换成0-6,即星期日=0if(firstDay==7)firstDay=0;if(firstDay==8)firstDay=1;//显示月历System.out.println("星期日\t星期一\t星期二\t星期三\t星期四\t星期五\t星期六");//打印1号之前的空格for(int i=0;i<firstDay;i++)System.out.print("\t");//打印月历for(int i=1;i<=days;i++){System.out.print(i+"\t");//如果是星期六,换行if((i-1)%7+firstDay==6)System.out.println();}}System.out.println("\n程序结束");}}（完）在myeclipse运行效果图：--------------------------欢迎使用万年历程序---------------------- 请输入年份:2009请输入月份:12星期日星期一星期二星期三星期四星期五星期六1 2 3 4 56 7 8 9 10 11 1213 14 15 16 17 18 1920 21 22 23 24 25 2627 28 29 30 31程序结束。
import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.table.DefaultTableModel;import java.text.DateFormat;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import java.util.Locale;import java.util.TimeZone;public class wannianli extends JFrame implements ActionListener, MouseListener {private Calendar cld = Calendar.getInstance();//获取一个Calendar类的实例对象private String[] astr = { "星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日" };private DefaultTableModel dtm = new DefaultTableModel(null, astr);private JTable table = new JTable(dtm);private JScrollPane sp = new JScrollPane(table);private JButton bLastYear = new JButton("上一年");private JButton bNextYear = new JButton("下一年");private JButton bLastMonth = new JButton("上月");private JButton bNextMonth = new JButton("下月");private JPanel p1 = new JPanel(); // 设立八个中间容器，装入布局控制日期的按钮模块private JPanel p2 = new JPanel(new GridLayout(3,2));//网格布局private JPanel p3 = new JPanel(new BorderLayout());//边界布局private JPanel p4 = new JPanel(new GridLayout(2,1));private JPanel p5 = new JPanel(new BorderLayout());private JPanel p6 = new JPanel(new GridLayout(2,2));private JPanel p7 = new JPanel(new GridLayout(2,1));private JPanel p8 = new JPanel(new BorderLayout());private JComboBox timeBox = newJComboBox(TimeZone.getAvailableIDs());//对所有支持时区进行迭代，获取所有的id;private JTextField jtfYear = new JTextField(5);// jtfYeaar年份显示输入框private JTextField jtfMonth = new JTextField(2);// jtfMouth月份显示输入框private JTextField timeField=new JTextField();//各城市时间显示框private static JTextArea jta = new JTextArea(10,5);//农历显示区private JScrollPane jsp = new JScrollPane(jta);private JLabel l = new JLabel("花江小精灵：亲！你可以直接输入年月查询.");private JLabel lt = new JLabel();private JLabel ld = new JLabel();private JLabel lu = new JLabel("农历和节气");private JLabel null1=new JLabel();private int lastTime;//private String localTime = null;private String s = null;private SimpleDateFormat dateFormat=new SimpleDateFormat("yyyy年MM月dd 日 hh时mm分ss秒");public wannianli() {super("花江日历过去仅留追忆，未来刚生憧憬，唯有坚守本心，把握今天 ZYT 詹永堂 ");// 框架命名this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 窗口关闭函数this.getContentPane().setLayout(new BorderLayout(9, 10));jta.setLineWrap(true);// 长度大于分配长度时候则换行jta.setFont(new Font("黑体", Font.BOLD, 16));table.setBackground(Color.white);table.setGridColor(Color.pink);// 星期之间的网格线是灰色的table.setBackground(Color.white);table.setColumnSelectionAllowed(true);// 将table中的列设置为可选择的table.setSelectionBackground(Color.pink);// 当选定某一天时背景颜色为黑色table.setSelectionForeground(Color.GREEN);table.setBackground(new Color(184,207, 229));// 日期显示表格为浅蓝色table.setFont(new Font("黑体", Font.BOLD, 24));// 日期数字字体格式table.setRowHeight(26);// 表格的高度table.addMouseListener(this); // 鼠标监听器、lu.setFont(new Font("黑体", Font.BOLD, 22));//农历标签格氏jtfYear.addActionListener(this);// 可输入年份的文本框// 为各个按钮添加监听函数bLastYear.addActionListener(this);bNextYear.addActionListener(this);bLastMonth.addActionListener(this);bNextMonth.addActionListener(this);timeBox.addItemListener(new TimeSelectedChangedListener());// 将按钮添加到Jpane上p1.add(bLastYear);p1.add(jtfYear);// 年份输入文本框p1.add(bNextYear);p1.add(bLastMonth);p1.add(jtfMonth);p1.add(bNextMonth);p3.add(jsp, BorderLayout.SOUTH);p3.add(lu,BorderLayout.CENTER);p3.add(ld, BorderLayout.NORTH);p4.add(lt);p4.add(l);p5.add(p4, BorderLayout.SOUTH);p5.add(sp, BorderLayout.CENTER);p5.add(p1, BorderLayout.NORTH);p6.add(timeBox);p6.add(null1);p6.add(timeField);p8.add(p2,BorderLayout.CENTER);p8.add(p7,BorderLayout.SOUTH);this.getContentPane().add(p3, BorderLayout.EAST);this.getContentPane().add(p5, BorderLayout.CENTER);this.getContentPane().add(p6,BorderLayout.SOUTH);this.getContentPane().add(p8,BorderLayout.WEST);String[] strDate = DateFormat.getDateInstance().format(new Date()) .split("-");// 获取日期cld.set(Integer.parseInt(strDate[0]), Integer.parseInt(strDate[1]) - 1,0);showCalendar(Integer.parseInt(strDate[0]),Integer.parseInt(strDate[1]), cld);jtfMonth.setEditable(false);// 设置月份文本框为不可编辑jtfYear.setText(strDate[0]);jtfMonth.setText(strDate[1]);this.showTextArea(strDate[2]);ld.setFont(new Font("新宋体", Font.BOLD, 24));new Timer(lt).start();new TimeThread().start();this.setBounds(200, 200, 700, 350);this.setResizable(false);this.setVisible(true);}public void showCalendar(int localYear, int localMonth, Calendar cld) {int Days = getDaysOfMonth(localYear, localMonth) +cld.get(Calendar.DAY_OF_WEEK) -2;Object [] ai = new Object[7];lastTime = 0;for (int i = cld.get(Calendar.DAY_OF_WEEK)-1; i <= Days; i++) {ai[i%7] =String.valueOf(i-(cld.get(Calendar.DAY_OF_WEEK)-2));if (i%7 == 6){dtm.addRow(ai);ai = new Object[7];lastTime++;}}dtm.addRow(ai);}public int getDaysOfMonth(int Year, int Month) {//计算各月的天数if(Month==1||Month==3||Month==5||Month==7||Month==8||Month==10||Mont h==12){return 31;}if(Month==4||Month==6||Month==9||Month==11){return 30;}if(Year%4==0&&Year%100!=0||Year%400==0)//闰年{return 29;}else {return 28;}}public void actionPerformed(ActionEvent e)//从界面上获取年月数据{if(e.getSource() == jtfYear || e.getSource() == bLastYear || e.getSource() == bNextYear ||e.getSource() == bLastMonth || e.getSource() == bNextMonth){int m, y;try//控制输入的年份正确，异常控制{if (jtfYear.getText().length() != 4){throw new NumberFormatException();}y = Integer.parseInt(jtfYear.getText());m = Integer.parseInt(jtfMonth.getText());}catch (NumberFormatException ex){JOptionPane.showMessageDialog(this, "请输入4位0-9的数字！", "年份有误", JOptionPane.ERROR_MESSAGE);return;}ld.setText("没有选择日期");for (int i = 0; i < lastTime+1; i++){ dtm.removeRow(0);}if(e.getSource() ==bLastYear){ jtfYear.setText(String.valueOf(--y)); }if(e.getSource() ==bNextYear){jtfYear.setText(String.valueOf(++y)); }if(e.getSource() == bLastMonth){if(m == 1){jtfYear.setText(String.valueOf(--y));m = 12;jtfMonth.setText(String.valueOf(m));}else{jtfMonth.setText(String.valueOf(--m));}}if(e.getSource() == bNextMonth){if(m == 12){jtfYear.setText(String.valueOf(++y));m = 1;jtfMonth.setText(String.valueOf(m));}else{jtfMonth.setText(String.valueOf(++m));}}cld.set(y, m-1, 0);showCalendar(y, m, cld);}}public void mouseClicked(MouseEvent e){jta.setText(null);int r = table.getSelectedRow();int c = table.getSelectedColumn();if (table.getValueAt(r,c) == null){ld.setText("没有选择日期");}else{this.showTextArea(table.getValueAt(r,c));}}private void showTextArea(Object selected){ld.setText(jtfYear.getText()+"年"+jtfMonth.getText()+"月"+selected+"日");}public static void main(String[] args){JFrame.setDefaultLookAndFeelDecorated(true);JDialog.setDefaultLookAndFeelDecorated(true);new wannianli();jta.setText(today());}private void updateTimeText(String timeZoneId) {if(timeZoneId != null){TimeZone timeZone = TimeZone.getTimeZone(timeZoneId);dateFormat.setTimeZone(timeZone);Calendar calendar = Calendar.getInstance();calendar.setTimeZone(timeZone);timeField.setText(dateFormat.format(calendar.getTime()));}else{timeField.setText(null);}}private class TimeSelectedChangedListener implements ItemListener { public void itemStateChanged(ItemEvent e) {if (e.getStateChange()==ItemEvent.SELECTED) {if (e.getItem() instanceof String) {s = e.getItem().toString();}}}}private class TimeThread extends Thread{public void run(){while(true){updateTimeText(s);try{Thread.sleep(100);}catch(InterruptedException e){e.printStackTrace();}}}}class Timer extends Thread //显示系统时间{private JLabel lt;private SimpleDateFormat fy = new SimpleDateFormat(" Gyyyy.MM.dd HH:mm:ss ");public Timer(JLabel lt){this.lt=lt;}public void run(){while(true){try{lt.setText(fy.format(new Date()));this.sleep(500);}catch(InterruptedException ex){ex.printStackTrace();}}}}final private static long[] lunarInfo= new long[] { 0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554,0x056a0, 0x09ad0, 0x055d2, 0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0,0x14977, 0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970, 0x06566,0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950, 0x0d4a0, 0x1d8a6, 0x0b550,0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557, 0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5d0,0x14573, 0x052d0, 0x0a9a8, 0x0e950, 0x06aa0, 0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263,0x0d950, 0x05b57, 0x056a0, 0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b5a0,0x195a6, 0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570, 0x04af5,0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0, 0x0c960, 0x0d954, 0x0d4a0,0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5, 0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9,0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930, 0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0,0x0d260, 0x0ea65, 0x0d530, 0x05aa0, 0x076a3, 0x096d0, 0x04bd7, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520,0x0dd45, 0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0 };final private static int[] year20 = new int[] { 1, 4, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1 };final private static int[] year19 = new int[] { 0, 3, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0 };final private static int[] year2000 = new int[] { 0, 3, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1 };public final static String[] nStr1 = new String[] { "", "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一","十二" };private final static String[] Gan = new String[] { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" };private final static String[] Zhi = new String[] { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" };private final static String[] Animals = new String[] { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" };// 传回农历 y年的总天数final private static int lYearDays(int y) {int i, sum = 348;for (i = 0x8000; i > 0x8; i >>= 1) {if ((lunarInfo[y - 1900] & i) != 0)sum += 1;}return (sum + leapDays(y));}// 传回农历 y年闰月的天数final private static int leapDays(int y) {if (leapMonth(y) != 0) {if ((lunarInfo[y - 1900] & 0x10000) != 0)return 30;elsereturn 29;} elsereturn 0;}// 传回农历 y年闰哪个月 1-12 , 没闰传回 0final private static int leapMonth(int y) {return (int) (lunarInfo[y - 1900] & 0xf);}//传回农历 y年m月的总天数final private static int monthDays(int y, int m) {if ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0)return 29;elsereturn 30;}// 传回农历 y年的生肖final public static String AnimalsYear(int y) {return Animals[(y - 4) % 12];}//传入月日的offset 传回干支,0=甲子final private static String cyclicalm(int num) {return (Gan[num % 10] + Zhi[num % 12]);}// 传入 offset 传回干支, 0=甲子final public static String cyclical(int y) {int num = y - 1900 + 36;return (cyclicalm(num));}// 传出农历.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6final private long[] Lunar(int y, int m) {long[] nongDate = new long[7];int i = 0, temp = 0, leap = 0;Date baseDate = new GregorianCalendar(1900 + 1900, 1,31).getTime();Date objDate = new GregorianCalendar(y + 1900, m, 1).getTime();long offset = (objDate.getTime() - baseDate.getTime()) / 86400000L;if (y < 2000)offset += year19[m - 1];if (y > 2000)offset += year20[m - 1];if (y == 2000)offset += year2000[m - 1];nongDate[5] = offset + 40;nongDate[4] = 14;for (i = 1900; i < 2050 && offset > 0; i++) {temp = lYearDays(i);offset -= temp;nongDate[4] += 12;}if (offset < 0) {offset += temp;i--;nongDate[4] -= 12;}nongDate[0] = i;nongDate[3] = i - 1864;leap = leapMonth(i); // 闰哪个月nongDate[6] = 0;for (i = 1; i < 13 && offset > 0; i++) {// 闰月if (leap > 0 && i == (leap + 1) && nongDate[6] == 0) { --i;nongDate[6] = 1;temp = leapDays((int) nongDate[0]);} else {temp = monthDays((int) nongDate[0], i);}// 解除闰月if (nongDate[6] == 1 && i == (leap + 1))nongDate[6] = 0;offset -= temp;if (nongDate[6] == 0)nongDate[4]++;}if (offset == 0 && leap > 0 && i == leap + 1) {if (nongDate[6] == 1) {nongDate[6] = 0;} else {nongDate[6] = 1;--i;--nongDate[4];}}if (offset < 0) {offset += temp;--i;--nongDate[4];}nongDate[1] = i;nongDate[2] = offset + 1;return nongDate;}// 传出y年m月d日对应的农历.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6final public static long[] calElement(int y, int m, int d) {long[] nongDate = new long[7];int i = 0, temp = 0, leap = 0;Date baseDate = new GregorianCalendar(0 + 1900, 0, 31).getTime();Date objDate = new GregorianCalendar(y, m - 1, d).getTime();long offset = (objDate.getTime() - baseDate.getTime()) / 86400000L;nongDate[5] = offset + 40;nongDate[4] = 14;for (i = 1900; i < 2050 && offset > 0; i++) {temp = lYearDays(i);offset -= temp;nongDate[4] += 12;}if (offset < 0) {offset += temp;i--;nongDate[4] -= 12;}nongDate[0] = i;nongDate[3] = i - 1864;leap = leapMonth(i); // 闰哪个月nongDate[6] = 0;for (i = 1; i < 13 && offset > 0; i++) {// 闰月if (leap > 0 && i == (leap + 1) && nongDate[6] == 0) { --i;nongDate[6] = 1;temp = leapDays((int) nongDate[0]);} else {temp = monthDays((int) nongDate[0], i);}// 解除闰月if (nongDate[6] == 1 && i == (leap + 1))nongDate[6] = 0;offset -= temp;if (nongDate[6] == 0)nongDate[4]++;}if (offset == 0 && leap > 0 && i == leap + 1) { if (nongDate[6] == 1) {nongDate[6] = 0;} else {nongDate[6] = 1;--i;--nongDate[4];}}if (offset < 0) {offset += temp;--i;--nongDate[4];}nongDate[1] = i;nongDate[2] = offset + 1;return nongDate;}public final static String getChinaDate(int day) { String a = "";if (day == 10)return"初十";if (day == 20)return"二十";if (day == 30)return"三十";int two = (int) ((day) / 10);if (two == 0)a = "初";if (two == 1)a = "十";if (two == 2)a = "廿";if (two == 3)a = "三";int one = (int) (day % 10);switch (one) {case 1:a += "一";break;case 2:a += "二";break;case 3:a += "三";break;case 4:a += "四";break;case 5:a += "五";break;case 6:a += "六";break;case 7:a += "七";break;case 8:a += "八";break;case 9:a += "九";break;}return a;}public static String today() {Calendar today = Calendar.getInstance(Locale.SIMPLIFIED_CHINESE);int year = today.get(Calendar.YEAR);int month = today.get(Calendar.MONTH) + 1;int date = today.get(Calendar.DATE);long[] l = calElement(year, month, date);StringBuffer sToday = new StringBuffer();try {sToday.append(sdf.format(today.getTime()));sToday.append(" \n");sToday.append(" \n");sToday.append(" \n");sToday.append(" 农历");sToday.append(cyclical(year));sToday.append('(');sToday.append(AnimalsYear(year));sToday.append(")年");sToday.append(" \n");sToday.append(" ");sToday.append(nStr1[(int) l[1]]);sToday.append("月");sToday.append(getChinaDate((int) (l[2])));return sToday.toString();} finally {sToday = null;}}private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy 年M月d日 EEEEE");public void mouseEntered(MouseEvent e) {}public void mouseExited(MouseEvent e) {}public void mousePressed(MouseEvent e) {}public void mouseReleased(MouseEvent e) { }}。
import java.util.Scanner;public class HelloAccp1{public static void main(String[] args){Scanner input=new Scanner(System.in);String answer=""; //定义字符串变量answer System.out.println("*****************************万年历*********************************\n\n");do{ //do-while循环System.out.print("请输入年份:");int nian=input.nextInt(); //手动输入要查询的年份System.out.print("请输入月份:"); //手动输入要查询的月份int yue =input.nextInt();if(nian%4==0&&nian%100!=0||nian%400==0){ //闰年的条件判断System.out.println("\n"+nian+"\t是闰年");}else{ //平年的条件判断System.out.println("\n"+nian+"\t是平年");}int day1=0; //定义整形变量 1900年1月1日~~输入年份的1月1日之间的天数和int day2=0; //定义整形变量每月的天数（计算）int day3=0; //定义整形变量输入年份的1月1日~~输入的月份的1日之间的天数和int day4; //定义整形变量 1900年1月1日~~输入的年月之间的天数和int xingqi; //定义整形变量星期int day=0; //定义整形变量每月的天数（输出当月的天数） for(int q=1900;q<nian;q++){ //循环输出1900年到输入的nian之间的年数if(q%4==0&&q%100!=0||q%400==0){ //闰年判断语句day1=day1+366; //1900年~~输入的年份中所有闰年的天数和}else{day1=day1+365; //1900年~~输入的年份中所有平年的天数和}}for(int w=1;w<yue;w++){ //循环语句循环输入输入的年份1月~~输入的月份之间有几个月if(w==1||w==3||w==5||w==7||w==8||w==10||w==12){ //判断是否大月（31天）day2=31;}else if(w==4||w==6||w==9||w==11){ //判断是否小月（30天）day2=30;}else if((nian%4==0&&nian%100!=0||nian%400==0)&&(w==2)){ //判断是否是闰年的2月（29天）day2=29;}else if((nian%4!=0&&nian%100==0||nian%400!=0)&&(w==2)){ //判断是否平年的2月（28天）day2=28;}day3=day3+day2; //计算输入年份的1月1日~~输入的月份的1日之间的天数和} day4=day3+day1; //1900年1月1日~~输入的年月之间的天数和xingqi=day4%7+1; //计算当前月份1日的星期公式if(xingqi==7){ //如果星期等于7 那么星期等于0xingqi=0;}if(yue==1||yue==3||yue==5||yue==7||yue==8||yue==10||yue==12){ //判断是否大月（31天）day=31;System.out.println(yue+"月\t有"+day+"天"); //输出语句输出当月有多少天}else if(yue==4||yue==6||yue==9||yue==11){ //判断是否小月（30天）day=30;System.out.println(yue+"月有"+day+"天"); //输出语句输出当月有多少天}else if((nian%4==0&&nian%100!=0||nian%400==0)&&(yue==2)){ //判断是否是闰年的2月（29天）day=29;System.out.println(yue+"月有"+day+"天"); //输出语句输出当月有多少天}else if((nian%4!=0&&nian%100==0||nian%400!=0)&&(yue==2)){ //判断是否平年的2月（28天）day=28;System.out.println(yue+"月有"+day+"天"); //输出语句输出当月有多少天}System.out.println("\n\n星期日\t星期一\t星期二\t星期三\t星期四\t星期五\t星期六");for(int e=0;e<xingqi;e++){ //循环输出第一行空格部分System.out.print("\t");}for(int r=1;r<=day;r++){ //循环输出输入月份的日期System.out.print(r+"\t"); //每个数字空一行if((r+xingqi)%7==0){ //判断语句如果满足条件换行System.out.print("\n");}}System.out.println("\n\n是否继续查询(y/n):"); //输出语句判断（y/n）继续查询answer=input.next();}while(!answer.equals("n")||answer.equals("y")); //判断循环语句输入y继续循环输入n退出循环System.out.println("\n\n\t\t谢谢使用！");}}。
java万年历源代码第一个类：chaxun.javapackage wannianli;import java.util.*;public class chaxun {public static void main(String[] args) {Scanner input =new Scanner(System.in);String answer="y";for(;answer.equals("y");){week cn=new week();cn.weekDay();//调用方法System.out.print("\是否继续?");answer=input.next();}}}第二个类：tianshu.javapackage wannianli;import java.util.*;public class tianshu {int totalDay;//总共的天数int yueTian;//每月的天数public void jsts(){int days=0;//输入月份到当年的天数System.out.println("*************************************欢迎使用万年历*************************************");Scanner input=new Scanner(System.in);System.out.print("请输入年份：");//从键盘输入年份int year=input.nextInt();System.out.print("请输入月份：");//从键盘输入月份int yue=input.nextInt();/**判断每月的天数*/for(int index=1;index<=yue;index++){if(yue==1||yue==3||yue==5||yue==7||yue==8||yue==10||yue==1 2){//满足闰年的条件yueTian=31;}elseif(yue==2&&((year%4==0)&&(!(year%100==0))||(year%400== 0))){yueTian=29;}elseif(yue==2&&(!((year%4==0)&&(!(year%100==0))||(year%400= =0)))){yueTian=28;}else if(yue==4||yue==6||yue==9||yue==11){yueTian=30;}else{System.out.print("输入的月份不正确");}if(index<=yue){days=days+yueTian;}}/**判断是否是闰年*/for(int i=100;i<year;i++){< bdsfid="116" p=""></year;i++){<>if ((year%4==0)&&(!(year%100==0))||(year%400==0)){//满足闰年的条件totalDay=totalDay+366;}else{totalDay=totalDay+365;}}totalDay=totalDay+days;//System.out.println(totalDay+"天");//return totalDay+yueTian;}}第三个类：week.jvapackage wannianli;public class week {public void weekDay() {int monDay;//星期几tianshu cn=new tianshu();cn.jsts();int week=1+cn.totalDay%7;//System.out.println(""+week);if (week==7){// 求当月第一天monDay=0;// 周日}else{monDay=week;}/* 输出日历*/System.out.println("星期日\星期一\星期二\星期三\星期四\星期五\星期六");for(int nullNo=0;nullNo<monday;nullno++){< bdsfid="145"p=""></monday;nullno++){<>System.out.print("\");// 输出空格}for(int i=1;i<=cn.yueTian;i++){System.out.print(i+"\");//输出每月的号数if((cn.totalDay + i - 1) % 7 == 5){// 如果当天为周六，输出换行System.out.println();}}} }。
java根据⽇期获取周⼏和获取某段时间内周⼏的⽇期整理两个⽇期的⽅法。
根据⽇期获取当天是周⼏/*** 根据⽇期获取当天是周⼏* @param datetime ⽇期* @return 周⼏*/public static String dateToWeek(String datetime) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");String[] weekDays = {"星期⽇", "星期⼀", "星期⼆", "星期三", "星期四", "星期五", "星期六"};Calendar cal = Calendar.getInstance();Date date;try {date = sdf.parse(datetime);cal.setTime(date);} catch (ParseException e) {e.printStackTrace();}int w = cal.get(Calendar.DAY_OF_WEEK) - 1;return weekDays[w];}获取某段时间内的周⼀（⼆等等）的⽇期/*** 获取某段时间内的周⼀（⼆等等）的⽇期* @param dataBegin 开始⽇期* @param dataEnd 结束⽇期* @param weekDays 获取周⼏，1－6代表周⼀到周六。
0代表周⽇* @return 返回⽇期List*/public static List<String> getDayOfWeekWithinDateInterval(String dataBegin, String dataEnd, int weekDays) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");List<String> dateResult = new ArrayList<>();Calendar cal = Calendar.getInstance();String[] dateInterval = {dataBegin, dataEnd};Date[] dates = new Date[dateInterval.length];for (int i = 0; i < dateInterval.length; i++) {String[] ymd = dateInterval[i].split("[^\\d]+");cal.set(Integer.parseInt(ymd[0]), Integer.parseInt(ymd[1]) - 1, Integer.parseInt(ymd[2]));dates[i] = cal.getTime();}for (Date date = dates[0]; pareTo(dates[1]) <= 0; ) {cal.setTime(date);if (cal.get(Calendar.DAY_OF_WEEK) - 1 == weekDays) {String format = sdf.format(date);dateResult.add(format);}cal.add(Calendar.DATE, 1);date = cal.getTime();}return dateResult;}计算获取相隔固定时间段的时间/*** 根据时间间隔，算出后⾯的时间。
在Java中计算周次（也就是给定日期是那一年的第几周）通常可以通过java.time包中的LocalDate 和TemporalAdjusters类来实现。
下面是一个简单的示例代码，展示如何计算一个给定日期的周次：import java.time.LocalDate;import java.time.DayOfWeek;import java.time.temporal.TemporalAdjusters;public class WeekNumberCalculator {public static void main(String[] args) {// 假设我们要计算2023年1月1日是第几周LocalDate date = LocalDate.of(2023, 1, 1);// 获取该年第一天的日期LocalDate firstDayOfYear = date.with(TemporalAdjusters.firstDayOfYear());// 计算给定日期是该年的第几天long dayOfYear = date.toEpochDay() - firstDayOfYear.toEpochDay() + 1;// 计算周次int weekNumber = (int) Math.ceil(dayOfYear / 7.0);// 如果第一天不是周一，需要调整周次DayOfWeek firstDayOfWeek = firstDayOfYear.getDayOfWeek();if (firstDayOfWeek != DayOfWeek.MONDAY) {// 计算第一周的剩余天数int firstWeekRemainingDays = 7 - firstDayOfWeek.getValue() + 1;// 如果给定日期在第一周剩余天数内，周次减一if (dayOfYear <= firstWeekRemainingDays) {weekNumber--;}}// 输出结果System.out.println("The week number for " + date + " is " + weekNumber);}}这段代码首先通过LocalDate.of方法创建一个表示给定日期的LocalDate对象。
Java技术之：判断某一天是星期几/*输入3个参数，分别为年月日，逗号分开输入2个参数，分别为年月，逗号分开输入1个参数，表示年使用字符串split方法，分割成字符串数组根据数组的长度，决定使用哪一种算法*/public class StringDemo {public static void main(String[] args) {System.out.println("请输入参数，多个参数以逗号分开：");Scanner sc = new Scanner(System.in);String str = sc.nextLine();String arr[] = str.split(",");switch (arr.length) {// 根据数组的长度来决定掉用哪个方法case 1:System.out.println(arr[0] + "年是"+ year(Integer.valueOf(arr[0]).intValue()));break;case 2:System.out.println(arr[0]+ "年"+ arr[1]+ "月有"+ month(Integer.valueOf(arr[0]).intValue(), Integer.valueOf(arr[1]).intValue( )) + "天");break;case 3:System.out.println(arr[0]+ "年"+ arr[1]+ "月"+ arr[2]+ "日是星期"+ day(Integer.valueOf(arr[0]).intValue(), Integer.valueOf(arr[1]).intValue(), Integer.valueOf(arr[2]).intValue()));break;default:System.out.println("您输入的参数有误！");}}public static String year(int y) {// 判断该年是不是闰年String leap = (y % 400 == 0 || y % 4 == 0 && y % 100 != 0) ? "闰年": "平年";return leap;}public static int month(int y, int m) {// 计算指定年份的某个月有多少天System.out.println(m);int days = 0;String leap = year(y);if (m > 7) {if (m % 2 == 0) {days = 31;} else {days = 30;}} else {if (m % 2 == 0) {days = 31;} else {days = 30;}if (m == 2 && leap.equals("闰年")) {days = 29;} else if (m == 2 && leap.equals("平年")) {days = 28;}}return days;}public static String day(int y, int m, int d) {// 求出某年某月某日的这一天是星期几if (m == 1 || m == 2) {m += 12;y--;}int week = d + 2 * m + 3 * (m + 1) / 5 + y + y / 4 - y / 100 + y / 400+ 1;week = week % 7;String w = "日一二三四五六".substring(week, week + 1);return w;}}。
算法，java代码实现打印万年历万年历以1900年1⽉1号星期⼀为时间原点星期⽇第⼀天星期⼀第⼆天星期⼆第三天星期三第四天星期四第五天星期五第六天星期六第七天1.计算出当前⽇期距离原点的天数（例：2016/9/18）2015到1900之间有多少个瑞年和平年-->count12016年⼀⽉到⼋⽉的总天数-->count2本⽉的⼀号count = count1+count2+12.计算出本⽉的⼀号是⼀周的第⼏天k = count%7;(打印⼀号前⾯有多少空格)3.计算出该⽉有多少天maxDays4.循环打印1.for(int i=1;i<=maxDays;i++)2.k充当指⽰器，到每周的第七天⾃动换⾏1package com.bjsxt.game;2import java.util.Scanner;3public class Calendar {4public static boolean isLeapYear(int year){5if(year%4==0&&year%100!=0 || year%400==0){6return true;7 }8return false;9 }1011//计算当前⽉份的最⼤天数12public static int maxDays(int month,int year){1314int maxDays;15if(month==1 || month==3 || month==5 || month==7 || month==8 || month==10 || month==12)16 maxDays = 31;17else if(month==4 || month==6 || month==9 || month==11)18 maxDays = 30;19else{20if(isLeapYear(year))21 maxDays = 29;22else23 maxDays = 28;24 }25return maxDays;26 }2728//计算当前⽉份⼀号是⼀周的第⼏天29public static int count(int month,int year){30int k; //表⽰当前的输⼊值是⼀周的第⼏天31int r = 0, p = 0;32int count; //表⽰距离1970.1.1有多少天33//计算当前年份之前的瑞年和平年有多少个34for(int i=1900;i<year;i++){35if(isLeapYear(i))36 r++;37else38 p++;39 }40 count = 366*r+365*p;41//判断当前⽉份之前的总天数42for(int i=1;i<month;i++){43if(i==2){44if(isLeapYear(year))45 count = count + 29;46else47 count = count + 28;48 }49else if(i==1 || i==3 || i==5 || i==7 || i==8 || i==10 || i==12)50 count = count + 31;51else52 count = count + 30;53 }54 k = (count+1)%7+1;55return k;56 }57public static void main(String[] args) {58 Scanner input = new Scanner(System.in);5960 System.out.print("请输⼊年：");61int year = input.nextInt();6263 System.out.print("请输⼊⽉：");64int month = input.nextInt();6566 System.out.print("请输⼊⽇：");67int day = input.nextInt();6869int maxDays = maxDays(month,year); //计算当前输⼊的⽉份最⼤值是多少天70int k = count(month, year); //计算当前⽉份的1号是第⼏天7172 System.out.println("⽇\t⼀\t⼆\t三\t四\t五\t六");73for(int i=0;i<k-1;i++){74 System.out.print(" \t");75 }76for(int i=1;i<=maxDays;i++){77 System.out.print(i+"\t");78if(k%7 == 0){79 System.out.println("\n");80 k = 0;81 }82 k++;83 }84 }85 }View Code。
Java获取年月日的方法在Java编程中，我们经常需要获取当前的年、月和日。
这些信息在许多应用程序中都是必需的，例如日历应用、日期处理和数据分析等。
本文将介绍几种获取年月日的方法，帮助你在Java中轻松地处理日期。
1. 使用Java.util.Date类Java.util.Date类是Java中处理日期和时间的基本类之一。
要获取当前的年、月和日，可以使用以下代码：import java.util.Date;import java.text.SimpleDateFormat;public class Main {public static void main(String[] args) {Date date = new Date();SimpleDateFormat sdfYear = new SimpleDateFormat("yyyy");SimpleDateFormat sdfMonth = new SimpleDateFormat("MM");SimpleDateFormat sdfDay = new SimpleDateFormat("dd");String year = sdfYear.format(date);String month = sdfMonth.format(date);String day = sdfDay.format(date);System.out.println("Year: " + year);System.out.println("Month: " + month);System.out.println("Day: " + day);}}在上面的代码中，我们使用了SimpleDateFormat类来格式化日期。
通过传入不同的格式化模式，我们可以获取所需的日期部分。
