613 lines
14 KiB
Java
613 lines
14 KiB
Java
package com.nlf.calendar;
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import com.nlf.calendar.util.LunarUtil;
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import com.nlf.calendar.util.ShouXingUtil;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* 农历年
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*
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* @author 6tail
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*/
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public class LunarYear {
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/**
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* 元
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*/
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private static final String[] YUAN = {"下", "上", "中"};
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/**
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* 运
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*/
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private static final String[] YUN = {"七", "八", "九", "一", "二", "三", "四", "五", "六"};
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/**
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* 闰冬月年份
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*/
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private static final int[] LEAP_11 = {75, 94, 170, 238, 265, 322, 389, 469, 553, 583, 610, 678, 735, 754, 773, 849, 887, 936, 1050, 1069, 1126, 1145, 1164, 1183, 1259, 1278, 1308, 1373, 1403, 1441, 1460, 1498, 1555, 1593, 1612, 1631, 1642, 2033, 2128, 2147, 2242, 2614, 2728, 2910, 3062, 3244, 3339, 3616, 3711, 3730, 3825, 4007, 4159, 4197, 4322, 4341, 4379, 4417, 4531, 4599, 4694, 4713, 4789, 4808, 4971, 5085, 5104, 5161, 5180, 5199, 5294, 5305, 5476, 5677, 5696, 5772, 5791, 5848, 5886, 6049, 6068, 6144, 6163, 6258, 6402, 6440, 6497, 6516, 6630, 6641, 6660, 6679, 6736, 6774, 6850, 6869, 6899, 6918, 6994, 7013, 7032, 7051, 7070, 7089, 7108, 7127, 7146, 7222, 7271, 7290, 7309, 7366, 7385, 7404, 7442, 7461, 7480, 7491, 7499, 7594, 7624, 7643, 7662, 7681, 7719, 7738, 7814, 7863, 7882, 7901, 7939, 7958, 7977, 7996, 8034, 8053, 8072, 8091, 8121, 8159, 8186, 8216, 8235, 8254, 8273, 8311, 8330, 8341, 8349, 8368, 8444, 8463, 8474, 8493, 8531, 8569, 8588, 8626, 8664, 8683, 8694, 8702, 8713, 8721, 8751, 8789, 8808, 8816, 8827, 8846, 8884, 8903, 8922, 8941, 8971, 9036, 9066, 9085, 9104, 9123, 9142, 9161, 9180, 9199, 9218, 9256, 9294, 9313, 9324, 9343, 9362, 9381, 9419, 9438, 9476, 9514, 9533, 9544, 9552, 9563, 9571, 9582, 9601, 9639, 9658, 9666, 9677, 9696, 9734, 9753, 9772, 9791, 9802, 9821, 9886, 9897, 9916, 9935, 9954, 9973, 9992};
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/**
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* 闰腊月年份
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*/
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private static final int[] LEAP_12 = {37, 56, 113, 132, 151, 189, 208, 227, 246, 284, 303, 341, 360, 379, 417, 436, 458, 477, 496, 515, 534, 572, 591, 629, 648, 667, 697, 716, 792, 811, 830, 868, 906, 925, 944, 963, 982, 1001, 1020, 1039, 1058, 1088, 1153, 1202, 1221, 1240, 1297, 1335, 1392, 1411, 1422, 1430, 1517, 1525, 1536, 1574, 3358, 3472, 3806, 3988, 4751, 4941, 5066, 5123, 5275, 5343, 5438, 5457, 5495, 5533, 5552, 5715, 5810, 5829, 5905, 5924, 6421, 6535, 6793, 6812, 6888, 6907, 7002, 7184, 7260, 7279, 7374, 7556, 7746, 7757, 7776, 7833, 7852, 7871, 7966, 8015, 8110, 8129, 8148, 8224, 8243, 8338, 8406, 8425, 8482, 8501, 8520, 8558, 8596, 8607, 8615, 8645, 8740, 8778, 8835, 8865, 8930, 8960, 8979, 8998, 9017, 9055, 9074, 9093, 9112, 9150, 9188, 9237, 9275, 9332, 9351, 9370, 9408, 9427, 9446, 9457, 9465, 9495, 9560, 9590, 9628, 9647, 9685, 9715, 9742, 9780, 9810, 9818, 9829, 9848, 9867, 9905, 9924, 9943, 9962, 10000};
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private static final Map<Integer, Integer> LEAP = new HashMap<Integer, Integer>();
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private static final Map<Integer, LunarYear> CACHE = new HashMap<Integer, LunarYear>();
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static {
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for (int y : LEAP_11) {
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LEAP.put(y, 13);
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}
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for (int y : LEAP_12) {
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LEAP.put(y, 14);
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}
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}
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/**
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* 农历年
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*/
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private int year;
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/**
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* 天干下标
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*/
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private int ganIndex;
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/**
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* 地支下标
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*/
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private int zhiIndex;
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/**
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* 农历月们
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*/
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private List<LunarMonth> months = new ArrayList<LunarMonth>();
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/**
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* 节气儒略日们
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*/
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private List<Double> jieQiJulianDays = new ArrayList<Double>();
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/**
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* 初始化
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*
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* @param lunarYear 农历年
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*/
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public LunarYear(int lunarYear) {
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this.year = lunarYear;
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int offset = lunarYear - 4;
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int yearGanIndex = offset % 10;
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int yearZhiIndex = offset % 12;
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if (yearGanIndex < 0) {
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yearGanIndex += 10;
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}
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if (yearZhiIndex < 0) {
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yearZhiIndex += 12;
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}
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this.ganIndex = yearGanIndex;
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this.zhiIndex = yearZhiIndex;
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compute();
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}
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/**
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* 通过农历年初始化
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*
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* @param lunarYear 农历年
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* @return 农历年
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*/
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public static LunarYear fromYear(int lunarYear) {
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LunarYear obj = CACHE.get(lunarYear);
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if (null == obj) {
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obj = new LunarYear(lunarYear);
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CACHE.put(lunarYear, obj);
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}
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return obj;
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}
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private void compute() {
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// 节气(中午12点)
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double[] jq = new double[27];
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// 合朔，即每月初一(中午12点)
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double[] hs = new double[16];
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// 每月天数
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int[] dayCounts = new int[hs.length - 1];
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int currentYear = this.year;
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int year = currentYear - 2000;
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// 从上年的大雪到下年的立春
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for (int i = 0, j = Lunar.JIE_QI_IN_USE.length; i < j; i++) {
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// 精确的节气
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double t = 36525 * ShouXingUtil.saLonT((year + (17 + i) * 15d / 360) * ShouXingUtil.PI_2);
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t += ShouXingUtil.ONE_THIRD - ShouXingUtil.dtT(t);
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jieQiJulianDays.add(t + Solar.J2000);
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// 按中午12点算的节气
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if (i > 0 && i < 28) {
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jq[i - 1] = Math.round(t);
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}
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}
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// 冬至前的初一
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double w = ShouXingUtil.calcShuo(jq[0]);
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if (w > jq[0]) {
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w -= 29.5306;
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}
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// 递推每月初一
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for (int i = 0, j = hs.length; i < j; i++) {
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hs[i] = ShouXingUtil.calcShuo(w + 29.5306 * i);
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}
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// 每月天数
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for (int i = 0, j = dayCounts.length; i < j; i++) {
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dayCounts[i] = (int) (hs[i + 1] - hs[i]);
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}
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Integer currentYearLeap = LEAP.get(currentYear);
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if (null == currentYearLeap) {
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currentYearLeap = -1;
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if (hs[13] <= jq[24]) {
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int i = 1;
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while (hs[i + 1] > jq[2 * i] && i < 13) {
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i++;
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}
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currentYearLeap = i;
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}
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}
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int prevYear = currentYear - 1;
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Integer prevYearLeap = LEAP.get(prevYear);
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prevYearLeap = null == prevYearLeap ? -1 : prevYearLeap - 12;
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int y = prevYear;
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int m = 11;
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for (int i = 0, j = dayCounts.length; i < j; i++) {
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int cm = m;
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boolean isNextLeap = false;
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if (y == currentYear && i == currentYearLeap) {
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cm = -cm;
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} else if (y == prevYear && i == prevYearLeap) {
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cm = -cm;
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}
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if (y == currentYear && i + 1 == currentYearLeap) {
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isNextLeap = true;
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} else if (y == prevYear && i + 1 == prevYearLeap) {
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isNextLeap = true;
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}
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this.months.add(new LunarMonth(y, cm, dayCounts[i], hs[i] + Solar.J2000));
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if (!isNextLeap) {
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m++;
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}
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if (m == 13) {
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m = 1;
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y++;
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}
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}
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}
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/**
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* 获取农历年
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*
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* @return 农历年
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*/
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public int getYear() {
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return year;
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}
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/**
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* 获取农历月们
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*
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* @return 农历月们
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*/
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public List<LunarMonth> getMonths() {
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return months;
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}
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/**
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* 获取节气儒略日们
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*
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* @return 节气儒略日们
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*/
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public List<Double> getJieQiJulianDays() {
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return jieQiJulianDays;
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}
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/**
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* 获取天干序号，从0开始
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*
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* @return 序号
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*/
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public int getGanIndex() {
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return ganIndex;
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}
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/**
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* 获取地支序号，从0开始
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*
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* @return 序号
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*/
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public int getZhiIndex() {
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return zhiIndex;
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}
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/**
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* 获取天干
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*
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* @return 天干
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*/
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public String getGan() {
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return LunarUtil.GAN[ganIndex + 1];
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}
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/**
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* 获取地支
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*
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* @return 地支
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*/
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public String getZhi() {
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return LunarUtil.ZHI[zhiIndex + 1];
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}
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/**
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* 获取干支
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*
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* @return 干支
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*/
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public String getGanZhi() {
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return getGan() + getZhi();
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}
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/**
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* 获取农历月
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*
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* @param lunarMonth 月，1-12，闰月为负数，如闰2月为-2
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* @return 农历月
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*/
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public LunarMonth getMonth(int lunarMonth) {
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for (LunarMonth m : months) {
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if (m.getYear() == year && m.getMonth() == lunarMonth) {
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return m;
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}
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}
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return null;
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}
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/**
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* 获取闰月
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*
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* @return 闰月数字，1代表闰1月，0代表无闰月
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*/
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public int getLeapMonth() {
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for (LunarMonth m : months) {
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if (m.getYear() == year && m.isLeap()) {
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return Math.abs(m.getMonth());
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}
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}
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return 0;
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}
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protected String getZaoByGan(int index, String name) {
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int offset = index - Solar.fromJulianDay(getMonth(1).getFirstJulianDay()).getLunar().getDayGanIndex();
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if (offset < 0) {
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offset += 10;
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}
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return name.replaceFirst("几", LunarUtil.NUMBER[offset + 1]);
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}
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protected String getZaoByZhi(int index, String name) {
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int offset = index - Solar.fromJulianDay(getMonth(1).getFirstJulianDay()).getLunar().getDayZhiIndex();
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if (offset < 0) {
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offset += 12;
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}
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return name.replaceFirst("几", LunarUtil.NUMBER[offset + 1]);
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}
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/**
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* 获取几鼠偷粮
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*
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* @return 几鼠偷粮
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*/
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public String getTouLiang() {
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return getZaoByZhi(0, "几鼠偷粮");
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}
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/**
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* 获取草子几分
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*
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* @return 草子几分
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*/
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public String getCaoZi() {
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return getZaoByZhi(0, "草子几分");
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}
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/**
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* 获取耕田（正月第一个丑日是初几，就是几牛耕田）
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*
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* @return 耕田，如：六牛耕田
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*/
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public String getGengTian() {
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return getZaoByZhi(1, "几牛耕田");
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}
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/**
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* 获取花收几分
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*
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* @return 花收几分
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*/
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public String getHuaShou() {
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return getZaoByZhi(3, "花收几分");
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}
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/**
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* 获取治水（正月第一个辰日是初几，就是几龙治水）
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*
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* @return 治水，如：二龙治水
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*/
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public String getZhiShui() {
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return getZaoByZhi(4, "几龙治水");
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}
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/**
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* 获取几马驮谷
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*
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* @return 几马驮谷
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*/
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public String getTuoGu() {
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return getZaoByZhi(6, "几马驮谷");
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}
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/**
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* 获取几鸡抢米
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*
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* @return 几鸡抢米
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*/
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public String getQiangMi() {
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return getZaoByZhi(9, "几鸡抢米");
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}
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/**
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* 获取几姑看蚕
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*
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* @return 几姑看蚕
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*/
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public String getKanCan() {
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return getZaoByZhi(9, "几姑看蚕");
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}
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/**
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* 获取几屠共猪
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*
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* @return 几屠共猪
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*/
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public String getGongZhu() {
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return getZaoByZhi(11, "几屠共猪");
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}
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/**
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* 获取甲田几分
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*
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* @return 甲田几分
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*/
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public String getJiaTian() {
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return getZaoByGan(0, "甲田几分");
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}
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/**
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* 获取分饼（正月第一个丙日是初几，就是几人分饼）
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*
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* @return 分饼，如：六人分饼
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*/
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public String getFenBing() {
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return getZaoByGan(2, "几人分饼");
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}
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/**
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* 获取得金（正月第一个辛日是初几，就是几日得金）
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*
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* @return 得金，如：一日得金
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*/
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public String getDeJin() {
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return getZaoByGan(7, "几日得金");
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}
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/**
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* 获取几人几丙
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*
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* @return 几人几丙
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*/
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public String getRenBing() {
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return getZaoByGan(2, getZaoByZhi(2, "几人几丙"));
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}
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/**
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* 获取几人几锄
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*
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* @return 几人几锄
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*/
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public String getRenChu() {
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return getZaoByGan(3, getZaoByZhi(2, "几人几锄"));
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}
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/**
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* 获取三元
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*
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* @return 元
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*/
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public String getYuan() {
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return YUAN[((year + 2696) / 60) % 3] + "元";
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}
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/**
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* 获取九运
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*
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* @return 运
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*/
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public String getYun() {
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return YUN[((year + 2696) / 20) % 9] + "运";
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}
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/**
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* 获取九星
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*
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* @return 九星
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*/
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public NineStar getNineStar() {
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int index = LunarUtil.getJiaZiIndex(getGanZhi()) + 1;
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int yuan = ((this.year + 2696) / 60) % 3;
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int offset = (62 + yuan * 3 - index) % 9;
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if (0 == offset) {
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offset = 9;
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}
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return NineStar.fromIndex(offset - 1);
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}
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/**
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* 获取喜神方位
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*
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* @return 方位，如艮
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*/
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public String getPositionXi() {
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return LunarUtil.POSITION_XI[ganIndex + 1];
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}
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/**
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* 获取喜神方位描述
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*
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* @return 方位描述，如东北
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*/
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public String getPositionXiDesc() {
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return LunarUtil.POSITION_DESC.get(getPositionXi());
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}
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/**
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* 获取阳贵神方位
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*
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* @return 方位，如艮
|
||
*/
|
||
public String getPositionYangGui() {
|
||
return LunarUtil.POSITION_YANG_GUI[ganIndex + 1];
|
||
}
|
||
|
||
/**
|
||
* 获取阳贵神方位描述
|
||
*
|
||
* @return 方位描述，如东北
|
||
*/
|
||
public String getPositionYangGuiDesc() {
|
||
return LunarUtil.POSITION_DESC.get(getPositionYangGui());
|
||
}
|
||
|
||
/**
|
||
* 获取阴贵神方位
|
||
*
|
||
* @return 方位，如艮
|
||
*/
|
||
public String getPositionYinGui() {
|
||
return LunarUtil.POSITION_YIN_GUI[ganIndex + 1];
|
||
}
|
||
|
||
/**
|
||
* 获取阴贵神方位描述
|
||
*
|
||
* @return 方位描述，如东北
|
||
*/
|
||
public String getPositionYinGuiDesc() {
|
||
return LunarUtil.POSITION_DESC.get(getPositionYinGui());
|
||
}
|
||
|
||
/**
|
||
* 获取福神方位（默认流派：2）
|
||
*
|
||
* @return 方位，如艮
|
||
*/
|
||
public String getPositionFu() {
|
||
return getPositionFu(2);
|
||
}
|
||
|
||
/**
|
||
* 获取福神方位
|
||
*
|
||
* @param sect 流派，1或2
|
||
* @return 方位，如艮
|
||
*/
|
||
public String getPositionFu(int sect) {
|
||
return (1 == sect ? LunarUtil.POSITION_FU : LunarUtil.POSITION_FU_2)[ganIndex + 1];
|
||
}
|
||
|
||
/**
|
||
* 获取福神方位描述（默认流派：2）
|
||
*
|
||
* @return 方位描述，如东北
|
||
*/
|
||
public String getPositionFuDesc() {
|
||
return getPositionFuDesc(2);
|
||
}
|
||
|
||
/**
|
||
* 获取福神方位描述
|
||
*
|
||
* @param sect 流派，1或2
|
||
* @return 方位描述，如东北
|
||
*/
|
||
public String getPositionFuDesc(int sect) {
|
||
return LunarUtil.POSITION_DESC.get(getPositionFu(sect));
|
||
}
|
||
|
||
/**
|
||
* 获取财神方位
|
||
*
|
||
* @return 财神方位，如艮
|
||
*/
|
||
public String getPositionCai() {
|
||
return LunarUtil.POSITION_CAI[ganIndex + 1];
|
||
}
|
||
|
||
/**
|
||
* 获取财神方位描述
|
||
*
|
||
* @return 方位描述，如东北
|
||
*/
|
||
public String getPositionCaiDesc() {
|
||
return LunarUtil.POSITION_DESC.get(getPositionCai());
|
||
}
|
||
|
||
/**
|
||
* 获取太岁方位
|
||
*
|
||
* @return 方位，如艮
|
||
*/
|
||
public String getPositionTaiSui() {
|
||
return LunarUtil.POSITION_TAI_SUI_YEAR[zhiIndex];
|
||
}
|
||
|
||
/**
|
||
* 获取太岁方位描述
|
||
*
|
||
* @return 方位描述，如东北
|
||
*/
|
||
public String getPositionTaiSuiDesc() {
|
||
return LunarUtil.POSITION_DESC.get(getPositionTaiSui());
|
||
}
|
||
|
||
@Override
|
||
public String toString() {
|
||
return year + "";
|
||
}
|
||
|
||
public String toFullString() {
|
||
return year + "年";
|
||
}
|
||
|
||
/**
|
||
* 获取往后推几年的阴历年，如果要往前推，则年数用负数
|
||
*
|
||
* @param n 年数
|
||
* @return 阴历年
|
||
*/
|
||
public LunarYear next(int n) {
|
||
return LunarYear.fromYear(year + n);
|
||
}
|
||
}
|