lunar.java

农历八字查询 可以查阴历,星期,四柱八字,节气,

/**
 * @(#)Lunar.java    2008-4-5 2:06:22
 */
package cn.ialvin.util;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 提供一些农历相关信息
 * @author 林志斌(<b><a href='http://www.ialvin.cn'>ialvin.cn</a></b>) 广东 普宁 里湖
 */
public class Lunar {

	public static void main(String[] args) {
		Lunar l = new Lunar(System.currentTimeMillis());
		System.out.println("节气:" + l.getTermString());
		System.out.println("干支历:" + l.getCyclicalDateString());
		System.out.println("星期" + l.getDayOfWeek());
		System.out.println("农历" + l.getLunarDateString());
	}
	
	private final static int[] lunarInfo = {
		0x4bd8, 0x4ae0, 0xa570, 0x54d5, 0xd260, 0xd950, 0x5554, 0x56af,
		0x9ad0, 0x55d2, 0x4ae0, 0xa5b6, 0xa4d0, 0xd250, 0xd295, 0xb54f,
		0xd6a0, 0xada2, 0x95b0, 0x4977, 0x497f, 0xa4b0, 0xb4b5, 0x6a50,
		0x6d40, 0xab54, 0x2b6f, 0x9570, 0x52f2, 0x4970, 0x6566, 0xd4a0,
		0xea50, 0x6a95, 0x5adf, 0x2b60, 0x86e3, 0x92ef, 0xc8d7, 0xc95f,
		0xd4a0, 0xd8a6, 0xb55f, 0x56a0, 0xa5b4, 0x25df, 0x92d0, 0xd2b2,
		0xa950, 0xb557, 0x6ca0, 0xb550, 0x5355, 0x4daf, 0xa5b0, 0x4573,
		0x52bf, 0xa9a8, 0xe950, 0x6aa0, 0xaea6, 0xab50, 0x4b60, 0xaae4,
		0xa570, 0x5260, 0xf263, 0xd950, 0x5b57, 0x56a0, 0x96d0, 0x4dd5,
		0x4ad0, 0xa4d0, 0xd4d4, 0xd250, 0xd558, 0xb540, 0xb6a0, 0x95a6,
		0x95bf, 0x49b0, 0xa974, 0xa4b0, 0xb27a, 0x6a50, 0x6d40, 0xaf46,
		0xab60, 0x9570, 0x4af5, 0x4970, 0x64b0, 0x74a3, 0xea50, 0x6b58,
		0x5ac0, 0xab60, 0x96d5, 0x92e0, 0xc960, 0xd954, 0xd4a0, 0xda50,
		0x7552, 0x56a0, 0xabb7, 0x25d0, 0x92d0, 0xcab5, 0xa950, 0xb4a0,
		0xbaa4, 0xad50, 0x55d9, 0x4ba0, 0xa5b0, 0x5176, 0x52bf, 0xa930,
		0x7954, 0x6aa0, 0xad50, 0x5b52, 0x4b60, 0xa6e6, 0xa4e0, 0xd260,
		0xea65, 0xd530, 0x5aa0, 0x76a3, 0x96d0, 0x4afb, 0x4ad0, 0xa4d0,
		0xd0b6, 0xd25f, 0xd520, 0xdd45, 0xb5a0, 0x56d0, 0x55b2, 0x49b0,
		0xa577, 0xa4b0, 0xaa50, 0xb255, 0x6d2f, 0xada0, 0x4b63, 0x937f,
		0x49f8, 0x4970, 0x64b0, 0x68a6, 0xea5f, 0x6b20, 0xa6c4, 0xaaef,
		0x92e0, 0xd2e3, 0xc960, 0xd557, 0xd4a0, 0xda50, 0x5d55, 0x56a0,
		0xa6d0, 0x55d4, 0x52d0, 0xa9b8, 0xa950, 0xb4a0, 0xb6a6, 0xad50,
		0x55a0, 0xaba4, 0xa5b0, 0x52b0, 0xb273, 0x6930, 0x7337, 0x6aa0,
		0xad50, 0x4b55, 0x4b6f, 0xa570, 0x54e4, 0xd260, 0xe968, 0xd520,
		0xdaa0, 0x6aa6, 0x56df, 0x4ae0, 0xa9d4, 0xa4d0, 0xd150, 0xf252, 0xd520
	};
	private final static int[] solarTermInfo = {
		     0,  21208,  42467,  63836,  85337, 107014, 128867, 150921,
		173149, 195551, 218072, 240693, 263343, 285989, 308563, 331033,
		353350, 375494, 397447, 419210, 440795, 462224, 483532, 504758
	};
	public final static String[] Tianan = {
		"甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"
	};
	public final static String[] Deqi = {
		"子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"
	};
	public final static String[] Animals = {
		"鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪"
	};
	public final static String[] solarTerm = {
		"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"
	};
	public final static String[] lunarString1 = {
		"零", "一", "二", "三", "四", "五", "六", "七", "八", "九"
	};
	public final static String[] lunarString2 = {
		"初", "十", "廿", "卅", "正", "腊", "冬", "闰"
	};

	/**
	 * 国历节日 *表示放假日
	 */
	private final static String[] sFtv = {
		"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",
		"0509 郝维节",		"0512 护士节",	"0601 儿童节",		"0701 建党节 香港回归纪念",
		"0801 建军节",		"0808 父亲节",	"0816 燕衔泥节",	"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",	"1111 光棍节",	"1112 孙中山诞辰纪念",	"1220 澳门回归纪念",
		"1225 圣诞节",		"1226 毛泽东诞辰纪念"
	};
	/**
	 * 农历节日 *表示放假日
	 */
	private final static String[] lFtv = {
		"0101*春节、弥勒佛诞",	"0106 定光佛诞",	"0115 元宵节",
		"0208 释迦牟尼佛出家",	"0215 释迦牟尼佛涅槃",	"0209 海空上师诞",
		"0219 观世音菩萨诞",	"0221 普贤菩萨诞",	"0316 准提菩萨诞",
		"0404 文殊菩萨诞",	"0408 释迦牟尼佛诞",	"0415 佛吉祥日——释迦牟尼佛诞生、成道、涅槃三期同一庆(即南传佛教国家的卫塞节)",
		"0505 端午节",		"0513 伽蓝菩萨诞",	"0603 护法韦驮尊天菩萨诞",
		"0619 观世音菩萨成道——此日放生、念佛，功德殊胜",
		"0707 七夕情人节",	"0713 大势至菩萨诞",	"0715 中元节",
		"0724 龙树菩萨诞",	"0730 地藏菩萨诞",	"0815 中秋节",
		"0822 燃灯佛诞",	"0909 重阳节",		"0919 观世音菩萨出家纪念日",
		"0930 药师琉璃光如来诞","1005 达摩祖师诞",	"1107 阿弥陀佛诞",
		"1208 释迦如来成道日，腊八节",			"1224 小年",
		"1229 华严菩萨诞",	"0100*除夕"
	};
	/**
	 * 某月的第几个星期几
	 */
	private static String[] wFtv = {
		"0520 母亲节", "0716 合作节", "0730 被奴役国家周"
	};


	private static int toInt(String str) {
		try { return Integer.parseInt(str); }
		catch(Exception e) { return -1; }
	}
	private final static Pattern sFreg = Pattern.compile("^(\\d{2})(\\d{2})([\\s\\*])(.+)$");
	private final static Pattern wFreg = Pattern.compile("^(\\d{2})(\\d)(\\d)([\\s\\*])(.+)$");
	private synchronized void findFestival() {
		int sM = this.getSolarMonth();
		int sD = this.getSolarDay();
		int lM = this.getLunarMonth();
		int lD = this.getLunarDay();
		int sy = this.getSolarYear();
		Matcher m;
		for (int i=0; i<Lunar.sFtv.length; i++) {
			m = Lunar.sFreg.matcher(Lunar.sFtv[i]);
			if (m.find()) {
				if (sM == Lunar.toInt(m.group(1)) && sD == Lunar.toInt(m.group(2))) {
					this.isSFestival = true;
					this.sFestivalName = m.group(4);
					if ("*".equals(m.group(3))) this.isHoliday = true;
					break;
				}
			}
		}
		for (int i=0; i<Lunar.lFtv.length; i++) {
			m = Lunar.sFreg.matcher(Lunar.lFtv[i]);
			if (m.find()) {
				if (lM == Lunar.toInt(m.group(1)) && lD == Lunar.toInt(m.group(2))) {
					this.isLFestival = true;
					this.lFestivalName = m.group(4);
					if ("*".equals(m.group(3))) this.isHoliday = true;
					break;
				}
			}
		}

		// 月周节日
		int w, d;
		for (int i=0; i<Lunar.wFtv.length; i++) {
			m = Lunar.wFreg.matcher(Lunar.wFtv[i]);
			if (m.find()) {
				if (this.getSolarMonth() == Lunar.toInt(m.group(1))) {
					w = Lunar.toInt(m.group(2));
					d = Lunar.toInt(m.group(3));
					if (this.solar.get(Calendar.WEEK_OF_MONTH)==w &&
							this.solar.get(Calendar.DAY_OF_WEEK)==d) {
						this.isSFestival = true;
						this.sFestivalName += "|" + m.group(5);
						if ("*".equals(m.group(4))) this.isHoliday = true;
					}
				}
			}
		}
		if(sy>1874 && sy<1909) this.description = "光绪" + (((sy-1874)==1)?"元":""+(sy-1874));
		if(sy>1908 && sy<1912) this.description = "宣统" + (((sy-1908)==1)?"元":String.valueOf(sy-1908));
		if(sy>1911 && sy<1950) this.description = "民国" + (((sy-1911)==1)?"元":String.valueOf(sy-1911));
		if(sy>1949) this.description = "共和国" + (((sy-1949)==1)?"元":String.valueOf(sy-1949));
		this.description += "年";
		this.sFestivalName = this.sFestivalName.replaceFirst("^\\|", "");
		this.isFinded = true;
	}
	
	private boolean isFinded = false;
	private boolean isSFestival = false;
	private boolean isLFestival = false;
	private String sFestivalName = "";
	private String lFestivalName = "";
	private String description = "";
	private boolean isHoliday = false;

	/**
	 * 返回农历年闰月月份
	 * @param lunarYear
	 *            指定农历年份(数字)
	 * @return 该农历年闰月的月份(数字,没闰返回0)
	 */
	private static int getLunarLeapMonth(int lunarYear) {
		// 数据表中,每个农历年用16bit来表示,
		// 前12bit分别表示12个月份的大小月,最后4bit表示闰月
		// 若4bit全为1或全为0,表示没闰, 否则4bit的值为闰月月份
		int leapMonth = Lunar.lunarInfo[lunarYear - 1900] & 0xf;
		leapMonth = (leapMonth == 0xf ? 0 : leapMonth);
		return leapMonth;
	}

	/**
	 * 返回农历年闰月的天数
	 * 
	 * @param lunarYear 指定农历年份(数字)
	 * @return 该农历年闰月的天数(数字)
	 */
	private static int getLunarLeapDays(int lunarYear) {
		// 下一年最后4bit为1111,返回30(大月)
		// 下一年最后4bit不为1111,返回29(小月)
		// 若该年没有闰月,返回0
		return Lunar.getLunarLeapMonth(lunarYear) > 0 ? ((Lunar.lunarInfo[lunarYear - 1899] & 0xf) == 0xf ? 30
				: 29)
				: 0;
	}

	/**
	 * 返回农历年的总天数
	 * @param lunarYear 指定农历年份(数字)
	 * @return 该农历年的总天数(数字)
	 */
	private static int getLunarYearDays(int lunarYear) {
		// 按小月计算,农历年最少有12 * 29 = 348天
		int daysInLunarYear = 348;
		// 数据表中,每个农历年用16bit来表示,
		// 前12bit分别表示12个月份的大小月,最后4bit表示闰月
		// 每个大月累加一天
		for (int i = 0x8000; i > 0x8; i >>= 1) {
			daysInLunarYear += ((Lunar.lunarInfo[lunarYear - 1900] & i) != 0) ? 1
					: 0;
		}
		// 加上闰月天数
		daysInLunarYear += Lunar.getLunarLeapDays(lunarYear);

		return daysInLunarYear;
	}

	/**
	 * 返回农历年正常月份的总天数
	 * @param lunarYear
	 *            指定农历年份(数字)
	 * @param lunarMonth
	 *            指定农历月份(数字)
	 * @return 该农历年闰月的月份(数字,没闰返回0)
	 */
	private static int getLunarMonthDays(int lunarYear, int lunarMonth) {
		// 数据表中,每个农历年用16bit来表示,
		// 前12bit分别表示12个月份的大小月,最后4bit表示闰月
		int daysInLunarMonth = ((Lunar.lunarInfo[lunarYear - 1900] & (0x10000 >> lunarMonth)) != 0) ? 30
				: 29;
		return daysInLunarMonth;
	}
	/**
	 * 取 Date 对象中用全球标准时间 (UTC) 表示的日期
	 * 
	 * @param date 指定日期
	 * @return UTC 全球标准时间 (UTC) 表示的日期
	 */
	public static synchronized int getUTCDay(Date date) {
			Lunar.makeUTCCalendar();
			synchronized (utcCal) {
				utcCal.clear();
				utcCal.setTimeInMillis(date.getTime());
				return utcCal.get(Calendar.DAY_OF_MONTH);
			}
	}
	private static GregorianCalendar utcCal = null;
	private static synchronized void makeUTCCalendar() {
		if (Lunar.utcCal == null) {
			Lunar.utcCal = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
		}
	}
	/**
	 * 返回全球标准时间 (UTC) (或 GMT) 的 1970 年 1 月 1 日到所指定日期之间所间隔的毫秒数。
	 * @param y 指定年份
	 * @param m 指定月份
	 * @param d 指定日期
	 * @param h 指定小时
	 * @param min 指定分钟
	 * @param sec 指定秒数
	 * @return 全球标准时间 (UTC) (或 GMT) 的 1970 年 1 月 1 日到所指定日期之间所间隔的毫秒数
	 */
	public static synchronized long UTC(int y, int m, int d, int h, int min, int sec) {
		Lunar.makeUTCCalendar();
		synchronized (utcCal) {
			utcCal.clear();
			utcCal.set(y, m, d, h, min, sec);
			return utcCal.getTimeInMillis();
		}
	}

	/**
	 * 返回公历年节气的日期
	 * @param solarYear 指定公历年份(数字)
	 * @param index 指定节气序号(数字,0从小寒算起)
	 * @return 日期(数字,所在月份的第几天)
	 */
	private static int getSolarTermDay(int solarYear, int index) {
		long l = (long)31556925974.7 * (solarYear - 1900) + 
        solarTermInfo[index] * 60000L;
		l = l + Lunar.UTC(1900,0,6,2,5,0);
		return Lunar.getUTCDay(new Date(l));
	}

	private Calendar solar;
	private int lunarYear;
	private int lunarMonth;
	private int lunarDay;
	private boolean isLeap;
	private boolean isLeapYear;
	private int solarYear;
	private int solarMonth;
	private int solarDay;
	private int cyclicalYear = 0;
	private int cyclicalMonth = 0;
	private int cyclicalDay = 0;
	private int maxDayInMonth = 29;

	/**
	 * 通过 Date 对象构建农历信息
	 * @param date 指定日期对象
	 */
	public Lunar(Date date) {
		if (date == null)
			date = new Date();
		this.init(date.getTime());
	}

	/**
	 * 通过 TimeInMillis 构建农历信息
	 * @param TimeInMillis
	 */
	public Lunar(long TimeInMillis) {
		this.init(TimeInMillis);
	}


	private void init(long TimeInMillis) {
		this.solar = Calendar.getInstance();
		this.solar.setTimeInMillis(TimeInMillis);
		Calendar baseDate = new GregorianCalendar(1900, 0, 31);
		long offset = (TimeInMillis - baseDate.getTimeInMillis()) / 86400000;
		// 按农历年递减每年的农历天数，确定农历年份
		this.lunarYear = 1900;
		int daysInLunarYear = Lunar.getLunarYearDays(this.lunarYear);
		while (this.lunarYear < 2100 && offset >= daysInLunarYear) {
			offset -= daysInLunarYear;
			daysInLunarYear = Lunar.getLunarYearDays(++this.lunarYear);
		}
		// 农历年数字

		// 按农历月递减每月的农历天数，确定农历月份
		int lunarMonth = 1;
		// 所在农历年闰哪个月,若没有返回0
		int leapMonth = Lunar.getLunarLeapMonth(this.lunarYear);
		// 是否闰年
		this.isLeapYear = leapMonth > 0;
		// 闰月是否递减
		boolean leapDec = false;
		boolean isLeap = false;
		int daysInLunarMonth = 0;
		while (lunarMonth<13 && offset>0) {
			if (isLeap && leapDec) { // 如果是闰年,并且是闰月
				// 所在农历年闰月的天数
				daysInLunarMonth = Lunar.getLunarLeapDays(this.lunarYear);
				leapDec = false;
			} else {
				// 所在农历年指定月的天数
				daysInLunarMonth = Lunar.getLunarMonthDays(this.lunarYear, lunarMonth);
			}
			if (offset < daysInLunarMonth) {
				break;
			}
			offset -= daysInLunarMonth;

			if (leapMonth == lunarMonth && isLeap == false) {
				// 下个月是闰月
				leapDec = true;
				isLeap = true;
			} else {
				// 月份递增
				lunarMonth++;
			}
		}
		this.maxDayInMonth = daysInLunarMonth;
		// 农历月数字
		this.lunarMonth = lunarMonth;
		// 是否闰月
		this.isLeap = (lunarMonth == leapMonth && isLeap);
		// 农历日数字
		this.lunarDay = (int) offset + 1;
		// 取得干支历
		this.getCyclicalData();
	}

	/**
	 * 取干支历 不是历年，历月干支，而是中国的从立春节气开始的节月，是中国的太阳十二宫，阳历的。
	 * @param cncaData 日历对象(Tcnca)
	 */
	private void getCyclicalData() {
		this.solarYear = this.solar.get(Calendar.YEAR);
		this.solarMonth = this.solar.get(Calendar.MONTH);
		this.solarDay = this.solar.get(Calendar.DAY_OF_MONTH);
		// 干支历
		int cyclicalYear = 0;