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cn.minsin.core.tools.LunarUtil Maven / Gradle / Ivy
package cn.minsin.core.tools;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;
import java.util.Locale;
/**
* 农历工具类 可以通过日期获取农历、节气、节日
*
* @author mintonzhang
* @date 2019年2月15日
* @since 0.3.4
*/
public class LunarUtil {
private static Calendar offDate = Calendar.getInstance();
private final static long[] lunarInfo = { 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[] nStr1 = { "正月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "冬月", "腊月" };
private final static String[] gan = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" };
private final static String[] zhi = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" };
private final static String[] animals = { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" };
private final static String[] solarTerms = { "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" };
private final static String[] holidays = { "0101*元旦", "0214情人节", "0308妇女节", "0312植树节", "0315消费者权益日", "0401愚人节",
"0501劳动节", "0504青年节", "0512护士节", "0601儿童节", "0701建党节", "0801建军节", "0808父亲节", "0909毛泽东逝世纪念", "0910教师节",
"0928孔子诞辰", "1001*国庆节", "1006老人节", "1024联合国日", "1112孙中山诞辰", "1220澳门回归", "1225圣诞节", "1226毛泽东诞辰" };
private final static String[] nlHoldays = { "0101*农历春节", "0115元宵节", "0505端午节", "0707七夕情人节", "0815中秋节", "0909重阳节",
"1208腊八节", "1224小年", "0100*除夕" };
private final static long[] sTermInfo = { 0, 21208, 42467, 63836, 85337, 107014, 128867, 150921, 173149, 195551, 218072,
240693, 263343, 285989, 308563, 331033, 353350, 375494, 397447, 419210, 440795, 462224, 483532, 504758 };
/**
* 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;
else
return 29;
} else
return 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;
else
return 30;
}
/**
* 传回农历 y年的生肖
*
* @param y
* @return
*/
final private 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 private static String cyclical(int y) {
int num = y - 1900 + 36;
return (cyclicalm(num));
}
/**
* 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 private static int[] calElement(int y, int m, int d) {
int[] nongDate = new int[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();
int offset = (int) ((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;
}
final private 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;
}
/**
* 计算节气
*
* @param y 年
* @param m 月
* @param d 日
* @return
*/
final private static String getSolarTerms(Date date) {
offDate.setTime(date);
int y = offDate.get(Calendar.YEAR);
int m = offDate.get(Calendar.MONTH) + 1;
int d = offDate.get(Calendar.DATE);
if (d == sTerm(y, (m - 1) * 2)) {
return solarTerms[(m - 1) * 2];
} else if (d == sTerm(y, (m - 1) * 2 + 1)) {
return solarTerms[(m - 1) * 2 + 1];
}
return "";
}
/**
* 某年的第n个节气为几日(从0小寒起算)
*
* @param y
* @param n
* @return
*/
final private static int sTerm(int y, int n) {
offDate.set(1900, 0, 6, 2, 5, 0);
long temp = offDate.getTime().getTime();
offDate.setTime(new Date((long) ((31556925974.7 * (y - 1900) + sTermInfo[n] * 60000L) + temp)));
return offDate.get(Calendar.DAY_OF_MONTH);
}
private static List getHoliday(Date date, int[] l) {
String date2String = DateUtil.date2String(date, "MMdd");
List list = ListUtil.newArrayList();
for (String string : holidays) {
if (string.contains(date2String)) {
list.add(string.replace(date2String, ""));
}
}
for (String string : nlHoldays) {
date2String = String.format("%02d", l[1]) + String.format("%02d", l[2]);
if (string.contains(date2String)) {
list.add(string.replace(date2String, ""));
}
}
return list;
}
/**
* 获取农历信息
*
* @param year 年
* @param month 月
* @param day 日
* @return
*/
public static LunarModel getLunarDate(int year, int month, int day) {
Calendar today = Calendar.getInstance(Locale.SIMPLIFIED_CHINESE);
today.set(year, month - 1, day);
int[] l = calElement(year, month, day);
Date time = today.getTime();
LunarModel model = new LunarModel();
model.setLunarYearAnimal(AnimalsYear(year));
model.setDate(time);
model.setHoliday(getHoliday(time, l));
model.setSolarStr(getSolarTerms(time));
model.setLunarYear(cyclical(year));
model.setLunarMonth(nStr1[(int) l[1]]);
model.setLunarDate(getChinaDate((int) (l[2])));
model.setWeek(DateUtil.date2String(time, "E"));
return model;
}
/**
* 获取农历信息
*
* @param date 日期
* @return
*/
public static LunarModel getLunarDate(Date date) {
offDate.setTime(date);
int y = offDate.get(Calendar.YEAR);
int m = offDate.get(Calendar.MONTH) + 1;
int d = offDate.get(Calendar.DATE);
return getLunarDate(y, m, d);
}
public static class LunarModel {
/**
* 时间
*/
private Date date;
/**
* 星期
*/
private String week;
/**
* 农历年
*/
private String lunarYear;
/**
* 农历月
*/
private String lunarMonth;
/**
* 农历日期
*/
private String lunarDate;
/**
* 节气
*/
private String solarStr;
/**
* 节日
*/
private List holiday;
/**
* 农历年代表的动物
*/
private String lunarYearAnimal;
public String getLunarMonth() {
return lunarMonth;
}
public void setLunarMonth(String lunarMonth) {
this.lunarMonth = lunarMonth;
}
public String getLunarDate() {
return lunarDate;
}
public void setLunarDate(String lunarDate) {
this.lunarDate = lunarDate;
}
public String getLunarYear() {
return lunarYear;
}
public void setLunarYear(String lunarYear) {
this.lunarYear = lunarYear;
}
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
public String getWeek() {
return week;
}
public void setWeek(String week) {
this.week = week;
}
public String getSolarStr() {
return solarStr;
}
public void setSolarStr(String solarStr) {
this.solarStr = solarStr;
}
public List getHoliday() {
return holiday;
}
public void setHoliday(List holiday) {
this.holiday = holiday;
}
public String getLunarYearAnimal() {
return lunarYearAnimal;
}
public void setLunarYearAnimal(String lunarYearAnimal) {
this.lunarYearAnimal = lunarYearAnimal;
}
@Override
public String toString() {
return "[date=" + date + ", week=" + week + ", lunarYear=" + lunarYear + ", lunarMonth=" + lunarMonth
+ ", lunarDate=" + lunarDate + ", solarStr=" + solarStr + ", holiday=" + holiday + ", animal="
+ lunarYearAnimal + "]";
}
}
}
