java 农历节气实现

package com.wdt.cloud.util;import java.text.SimpleDateFormat;
import java.util.*;
/***author:  zhouwei*time:  2020/10/29*function: 农历功能实现*/
public class Lunar {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", "冬", "腊" };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" };final static long[] STermInfo = new long[] {0, 21208, 42467, 63836, 85337,107014, 128867, 150921, 173149, 195551, 218072, 240693, 263343,285989, 308563, 331033, 353350,375494, 397447, 419210, 440795,462224, 483532, 504758};private final static String[] solarTerm = new String[] { "小寒", "大寒", "立春","雨水", "惊蛰", "春分", "清明", "谷雨", "立夏", "小满", "芒种", "夏至", "小暑", "大暑","立秋", "处暑", "白露", "秋分", "寒露", "霜降", "立冬", "小雪", "大雪", "冬至" };/*** 获取农历的节日*/public static String getLunarHoliday(String month,String day){if(month.equals("正")){if(day.equals("初一")){return "春节";}if(day.equals("十五")){return "元宵节 ";}}if(month.equals("二")){if(day.equals("初二")){return "龙抬头";}}if(month.equals("五")){if(day.equals("初五")){return "端午节 ";}}if(month.equals("七")){if(day.equals("初七")){return "情人节 ";}if(day.equals("十五")){return "中元节 ";}}if(month.equals("八")){if(day.equals("十五")){return "中秋节";}}if(month.equals("九")){if(day.equals("初九")){return "重阳节 ";}}if(month.equals("腊")){if(day.equals("初八")){return "腊八节 ";}if(day.equals("廿三")){return "小年 ";}if(day.equals("三十")){return "除夕";}}return null;}/*** 根据国历 获取节日*/public static String getHoliday(int month,int day){switch (month) {case 1:if(day==1){return "元旦节";}break;case 2:if(day==14){return "情人节";}break;case 3:if(day==8){return "妇女节";}else if(day==15){return "消费者权益日";}break;case 4:if(day==1){return "愚人节";}break;case 5:if(day==1){return "劳动节";}else if(day==4){return "青年节";}break;case 6:if(day == 1){return "儿童节";}break;case 7:if(day == 1){return "建党节";}else if(day == 7){return "中国人民抗日战争纪念日";}break;case 8:if(day == 1){return "建军节";}break;case 9:if(day == 3){return "抗战胜利日";}else if(day == 10){return "教师节";}break;case 10:if(day == 1){return "国庆节";}break;case 11:if(day == 11){return "光棍节";}break;case 12:if(day == 24){return "平安夜";}else if(day == 25){return "圣诞节";}break;default:break;}return null;}/*** 传回农历 y年的总天数** @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));}/*** 传回农历 y年闰月的天数** @param y* @return*/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 0** @param y* @return*/final private static int leapMonth(int y) {return (int) (lunarInfo[y - 1900] & 0xf);}/*** 传回农历 y年m月的总天数** @param y* @param m* @return*/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** @param y* @return*/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** @param num* @return*/final private static String cyclicalm(int num) {return (Gan[num % 10] + Zhi[num % 12]);}/*** 传入 offset 传回干支, 0=甲子** @param y* @return*/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 .isLeap6** @param y* @param m* @return*/final 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 .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 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(" 农历");sToday.append(cyclical(year));sToday.append('(');sToday.append(AnimalsYear(year));sToday.append(")年");sToday.append(nStr1[(int) l[1]]);sToday.append("月");sToday.append(getChinaDate((int) (l[2])));sToday.append(" "+getSoralTerm(new Date()));sToday.append(" "+getHoliday(month,date));sToday.append(" "+getLunarHoliday(nStr1[(int)l[1]],getChinaDate((int)(l[2]))));return sToday.toString();} finally {sToday = null;}}/*** 根据日期  获取星期* @param year* @param month* @param day* @return*/public static String getWeekOfDate(int year,int month,int day) {Calendar calendar = Calendar.getInstance();//获得一个日历calendar.set(year, month-1, day);//设置当前时间,月份是从0月开始计算int number = calendar.get(Calendar.DAY_OF_WEEK);//星期表示1-7，是从星期日开始，String [] str = {"","星期日","星期一","星期二","星期三","星期四","星期五","星期六",};return str[number];}/***author:  zhouwei*time:  2020/10/29*function: 根据年月日获取当天信息*/public static String oneDay(int year,int month,int day) {String week = getWeekOfDate(year,month,day);long[] l = calElement(year, month, day);StringBuffer sToday = new StringBuffer();String m = "";String d = "";try {if(month < 10){m = "0" + month;}else{m = month + "";}if(day < 10){d = "0" + day;}else{d = day + "";}sToday.append(year + "-" + m + "-" + d);sToday.append(","+week);sToday.append(","+nStr1[(int) l[1]]);sToday.append("月");sToday.append(getChinaDate((int) (l[2])));sToday.append(","+getSoralTerm(year,month,day));sToday.append(","+getHoliday(month,day));sToday.append(","+getLunarHoliday(nStr1[(int)l[1]],getChinaDate((int)(l[2]))));return sToday.toString();} finally {sToday = null;}}private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-M-d EEEEE");/** 核心方法 根据日期得到节气 */public static String getSoralTerm(Date Date){Calendar cal = Calendar.getInstance();cal.setTime(Date);int y = cal.get(Calendar.YEAR);int m = cal.get(Calendar.MONTH) + 1;int d = cal.get(Calendar.DAY_OF_MONTH);return getSoralTerm(y, m, d);}/** 核心方法 根据日期(y年m月d日)得到节气 */public static String getSoralTerm(int y, int m, int d){String solarTerms = null;if (d == sTerm(y, (m - 1) * 2)) {solarTerms = solarTerm[(m - 1) * 2];}else if (d == sTerm(y, (m - 1) * 2 + 1)) {solarTerms = solarTerm[(m - 1) * 2 + 1];}else{//到这里说明非节气时间 solarTerms = "";}return solarTerms;}// ===== y年的第n个节气为几日(从0小寒起算)private static int sTerm(int y, int n) {Calendar cal = Calendar.getInstance();cal.set(1900, 0, 6, 2, 5, 0);long temp = cal.getTime().getTime();cal.setTime(new Date( (long) ((31556925974.7 * (y - 1900) + STermInfo[n] * 60000L) + temp)));return cal.get(Calendar.DAY_OF_MONTH);}public static void main(String[] args) {int year=2020;int month=10;int day=0;Calendar c=Calendar.getInstance();c.set(year,month,day);for(int i=0;i<32;i++) {c.add(c.DATE, 1);String s=oneDay(c.get(Calendar.YEAR),c.get(Calendar.MONTH),c.get(Calendar.DATE));// System.out.println(c.get(Calendar.YEAR)+"="+c.get(Calendar.MONTH)+"="+c.get(Calendar.DATE));System.out.println(s);}}
}

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