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LunarCalendarUtil

發布時間：2024/9/27 编程问答 28 豆豆

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package com.css.common.util;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;

/**
?* 農歷的一些方法
?*
?* @version 1.0
?*
?*/
public class LunarCalendarUtil {

?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 };

?//private final static String[] week = new String[]{"日","一","二","三","四","五","六"};
?
?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 };
?//private 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","龍","蛇","馬","羊","猴","雞","狗","豬"};
?//private final static String[] solarTerm = new String[]{"小寒","大寒","立春","雨水","驚蟄","春分","清明","谷雨","立夏","小滿","芒種","夏至","小暑","大暑","立秋","處暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至"};
?
?/**
? * 傳回農歷 y年的總天數
? * @param y
? * @return
? */
?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));
?}

?/**
? * 傳回農歷 y年閏月的天數
? * @param y
? * @return
? */
?final private static int leapDays(int y){
??if (leapMonth(y) != 0) {
???if ((lunarInfo[y - 1900] & 0x10000) != 0)
????return 30;
???else
????return 29;
??} else
???return 0;
?}

?/**
? * 傳回農歷 y年閏哪個月 1-12 , 沒閏傳回 0
? * @param y
? * @return
? */
?final private static int leapMonth(int y){
??return (int) (lunarInfo[y - 1900] & 0xf);
?}

?/**
? * 傳回農歷 y年m月的總天數
? * @param y
? * @param m
? * @return
? */
?final private static int monthDays(int y, int m){
??if ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0)
???return 29;
??else
???return 30;
?}

?/**
? * 傳回農歷 y年的生肖
? * @param y
? * @return
? */
?final public static String AnimalsYear(int y){
??return Animals[(y - 4) % 12];
?}

?/**
? * 傳入月日的offset 傳回干支,0=甲子
? * @param num
? * @return
? */
?final private static String cyclicalm(int num)
?{
??return (Gan[num % 10] + Zhi[num % 12]);
?}

?/**
? * 傳入 offset 傳回干支, 0=甲子
? * @param y
? * @return
? */
?final public static String cyclical(int y){
??int num = y - 1900 + 36;
??return (cyclicalm(num));
?}

?/**
? * 傳出農歷.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6
? * @param y
? * @param m
? * @return
? */
?protected final long[] Lunar(int y, int m) {
??long[] nongDate = new long[7];
??int i = 0, temp = 0, leap = 0;
??//Date baseDate = new Date(1900, 1, 31);
??Date baseDate = new GregorianCalendar(1900+1900,1,31).getTime();
??//Date objDate = new Date(y, m, 1);
??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); // 閏哪個月
??nongDate[6] = 0;

??for (i = 1; i < 13 && offset > 0; i++) {
???// 閏月
???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);
???}

???// 解除閏月
???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;
?}

?/**
? * 傳出y年m月d日對應的農歷.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6
? * @param y
? * @param m
? * @param d
? * @return
? */
?final 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 Date(0, 0, 31);
??Date baseDate = new GregorianCalendar(0+1900,0,31).getTime();
??//Date objDate = new Date(y - 1900, m - 1, d);
??Date objDate = new GregorianCalendar(y,m-1,d).getTime();
??long offset = (objDate.getTime() - baseDate.getTime()) / 86400000L;
??nongDate[5] = offset + 40;
??nongDate[4] = 14;

???// 解除閏月
???if (nongDate[6] == 1 && i == (leap + 1))
????nongDate[6] = 0;
???offset -= temp;
???if (nongDate[6] == 0)
????nongDate[4]++;
??}

?/**
? * 得到中國農歷日期
? * @param day
? * @return
? */
?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 = ((day) / 10);
??if (two == 0)
???a = "初";
??if (two == 1)
???a = "十";
??if (two == 2)
???a = "廿";
??if (two == 3)
???a = "三";
??int one = (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;
?}
?
?/**
? * 返回代表今日時間的字符串
? * @return
? */
?public static long[] 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);
??return l;
?}

?/**
? * 返回代表今日時間的字符串
? * @param locale
? * @return
? */
?public static String today(Locale locale){
??if(locale == null) locale = Locale.SIMPLIFIED_CHINESE;
??Calendar today = Calendar.getInstance(locale);
??SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日 EEE", locale);
??try{
???return sdf.format(today.getTime());
??}finally{
???today = null;
???sdf = null;
??}
?}
?
?/**
? * 農歷日歷工具使用演示
? * @param args
? */
?public static void main(String[] args) {
??System.out.println("今天是:"+LunarCalendarUtil.today());
?}
}

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