Java 当前时间转换成农历(阴历)时间

一时失言乱红尘 2022-06-04 04:18 370阅读 0赞

文章转自 :

> [http://www.it610.com/article/271380.htm][http_www.it610.com_article_271380.htm]

亲测可用 . .

package com.personal.utils;
    
    import java.text.ParseException;
    import java.text.SimpleDateFormat;
    import java.util.Calendar;
    import java.util.Date;
    
    /** * Created by hcf on 2017/12/4. */
    public class LunarUtil { 
        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-MM-dd");
        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;
                else
                    return 29;
            } else
                return 0;
        }
    
        // ====== 传回农历 y年闰哪个月 1-12 , 没闰传回 0
        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
        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
        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 LunarUtil(Calendar cal) {
            @SuppressWarnings("unused")
            int yearCyl, monCyl, dayCyl;
            int leapMonth = 0;
            Date baseDate = null;
            try {
                baseDate = chineseDateFormat.parse("1900-1-31");
            } 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
            int iYear, daysOfYear = 0;
            for (iYear = 1900; iYear < 2050 && offset > 0; iYear++) {
                daysOfYear = yearDays(iYear);
                offset -= daysOfYear;
                monCyl += 12;
            }
            if (offset < 0) {
                offset += daysOfYear;
                iYear--;
                monCyl -= 12;
            }
            // 农历年份
            year = iYear;
            yearCyl = iYear - 1864;
            leapMonth = leapMonth(iYear); // 闰哪个月,1-12
            leap = false;
            // 用当年的天数offset,逐个减去每月（农历）的天数，求出当天是本月的第几天
            int iMonth, daysOfMonth = 0;
            for (iMonth = 1; iMonth < 13 && offset > 0; iMonth++) {
                // 闰月
                if (leapMonth > 0 && iMonth == (leapMonth + 1) && !leap) {
                    --iMonth;
                    leap = true;
                    daysOfMonth = leapDays(year);
                } else
                    daysOfMonth = monthDays(year, iMonth);
                offset -= daysOfMonth;
                // 解除闰月
                if (leap && iMonth == (leapMonth + 1))
                    leap = false;
                if (!leap)
                    monCyl++;
            }
            // offset为0时，并且刚才计算的月份是闰月，要校正
            if (offset == 0 && leapMonth > 0 && iMonth == leapMonth + 1) {
                if (leap) {
                    leap = false;
                } else {
                    leap = true;
                    --iMonth;
                    --monCyl;
                }
            }
            // offset小于0时，也要校正
            if (offset < 0) {
                offset += daysOfMonth;
                --iMonth;
                --monCyl;
            }
            month = iMonth;
            day = offset + 1;
        }
    
        public static String getChinaDayString(int day) {
            String chineseTen[] = {
       "初", "十", "廿", "卅"};
            int n = day % 10 == 0 ? 9 : day % 10 - 1;
            if (day > 30)
                return "";
            if (day == 10)
                return "初十";
            else
                return chineseTen[day / 10] + chineseNumber[n];
        }
    
        public String toString() {
            return year + "年" + (leap ? "闰" : "") + chineseNumber[month - 1] + "月"
                    + getChinaDayString(day);
        }
    
        public static void main(String[] args) throws ParseException {
            Date date = new Date();
            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
            String d = dateFormat.format(date);
            Calendar today = Calendar.getInstance();
            today.setTime(chineseDateFormat.parse(d));
            LunarUtil lunar = new LunarUtil(today);
            System.out.println("北京时间：" + chineseDateFormat.format(today.getTime())
                    + "　农历" + lunar);
        }
    }

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> [http://www.it610.com/article/271380.htm][http_www.it610.com_article_271380.htm]

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