万年历程序例题（农历阴历转换）

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万年历（农历阴历转换）

package com.java;

import java.util.Calendar;

public class LunarCalendar {
	public static void main(String[] args) {
		Solar s = new Solar();
		s.getDate(2020, 9);
		String t = MutualConversion.solarToLundar(2009, 10, 12);
		String[] str = t.split("-");
		Lunar la = new Lunar(Integer.parseInt(str[0]), Integer
				.parseInt(str[1]), Integer.parseInt(str[2])); 
		System.out.println("\n\n阳历2009-10-12日对应的农历日期为："+la.toString(1)+" "+la.toWeek());
		String t1 = MutualConversion.lundarToSolar(2019, 1, 1);
		String[] str1 = t1.split("-");
		Solar s1 = new Solar(Integer.parseInt(str1[0]), Integer
				.parseInt(str1[1]), Integer.parseInt(str1[2])); 
		System.out.println("\n农历2019-1-1日对应的阳历日期为："+s1.toString()+" "+s1.toWeek());
	}
}
// 自定义日历类，其作用是实现阳历和农历日期相互转换的功能
class MutualConversion {
	// 阵列storeLunarMonth存储在每月一天的资料，每年从1901年到2100年的农历，农历只能是29或30天，
	// 每月表达12（或13）的二进制位在一年内，这是30 1中的相应位置的形式天，否则，29天
	private static final int[]storeLunarMonth = {
		0x4ae0,0xa570,0x5268,0xd260,0xd950,0x6aa8,
		0x56a0,0x9ad0,0x4ae8,0x4ae0,//1910
		0xa4d8,0xa4d0,0xd250,0xd548,0xb550,0x56a0,
		0x96d0,0x95b0,0x49b8,0x49b0,//1920
		0xa4b0,0xb258,0x6a50,0x6d40,0xada8,
		0x2b60,0x9570,0x4978,0x4970,0x64b0, //1930
		0xd4a0,0xea50,0x6d48,0x5ad0,0x2b60,
		0x9370,0x92e0,0xc968,0xc950,0xd4a0, //1940
		0xda50,0xb550,0x56a0,0xaad8,0x25d0,
		0x92d0,0xc958,0xa950,0xb4a8,0x6ca0, //1950
		0xb550,0x55a8,0x4da0,0xa5b0,0x52b8,
		0x52b0,0xa950,0xe950,0x6aa0,0xad50, //1960
		0xab50,0x4b60,0xa570,0xa570,
		0x5260,0xe930,0xd950,0x5aa8,0x56a0,0x96d0, //1970
		0x4ae8,0x4ad0,0xa4d0,0xd268,0xd250,
		0xd528,0xb540,0xb6a0,0x96d0,0x95b0, //1980
		0x49b0,0xa4b8,0xa4b0,0xb258,0x6a50,
		0x6d40,0xada0,0xab60,0x9370,0x4978, // 1990
		0x4970,0x64b0,0x6a50,0xea50,0x6b28,
		0x5ac0,0xab60,0x9368,0x92e0,0xc960, //2000
		0xd4a8,0xd4a0,0xda50,0x5aa8,0x56a0,
		0xaad8,0x25d0,0x92d0,0xc958,0xa950, //2010
		0xb4a0,0xb550,0xb550,0x55a8,0x4ba0
		,0xa5b0,0x52b8,0x52b0,0xa930,0x74a8, //2020
		0x6aa0,0xad50,0x4da8,0x4b60,0x9570,
		0xa4e0,0xd260,0xe930,0xd530,0x5aa0, //2030
		0x6b50,0x96d0,0x4ae8,0x4ad0,0xa4d0,
		0xd258,0xd250,0xd520,0xdaa0,0xb5a0, //2040
		0x56d0,0x4ad8,0x49b0,0xa4b8,0xa4b0,
		0xaa50,0xb528,0x6d20,0xada0,0x55b0 //2050
	};
	// 阵列storeLunarLeapMonth存储的是农历1901年至2050年闰月的信息，0表示该年没有闰月，每个字符元素表示的存储两年。
	// 例如0x50该字符存储的是2009和2010年，0x表示八进制，5表示2009年闰5月，0表示2010没有闰月
	private static final char[] storeLunarLeapMonth = { 0x00, 0x50, 0x04, 0x00,
			0x20, // 1910
			0x60, 0x05, 0x00, 0x20, 0x70, // 1920
			0x05, 0x00, 0x40, 0x02, 0x06, // 1930
			0x00, 0x50, 0x03, 0x07, 0x00, // 1940
			0x60, 0x04, 0x00, 0x20, 0x70, // 1950
			0x05, 0x00, 0x30, 0x80, 0x06, // 1960
			0x00, 0x40, 0x03, 0x07, 0x00, // 1970
			0x50, 0x04, 0x08, 0x00, 0x60, // 1980
			0x04, 0x0a, 0x00, 0x60, 0x05, // 1990
			0x00, 0x30, 0x80, 0x05, 0x00, // 2000
			0x40, 0x02, 0x07, 0x00, 0x50, // 2010
			0x04, 0x09, 0x00, 0x60, 0x04, // 2020
			0x00, 0x20, 0x60, 0x05, 0x00, // 2030
			0x30, 0xb0, 0x06, 0x00, 0x50, // 2040
			0x02, 0x07, 0x00, 0x50, 0x03 // 2050
	};
	// 用矩阵存领存储从1901～2050年每一年的阳历和农历的偏移天数
	private static final char[] offseOfDays = { 49, 38, 28, 46, 34, 24, 43, 32,
			21, 40, // 1910
			29, 48, 36, 25, 44, 34, 22, 41, 31, 50, // 1920
			38, 27, 46, 35, 23, 43, 32, 22, 40, 29, // 1930
			47, 36, 25, 44, 34, 23, 41, 30, 49, 38, // 1940
			26, 45, 35, 24, 43, 32, 21, 40, 28, 47, // 1950
			36, 26, 44, 33, 23, 42, 30, 48, 38, 27, // 1960
			45, 35, 24, 43, 32, 20, 39, 29, 47, 36, // 1970
			26, 45, 33, 22, 41, 30, 48, 37, 27, 46, // 1980
			35, 24, 43, 32, 50, 39, 28, 47, 36, 26, // 1990
			45, 34, 22, 40, 30, 49, 37, 27, 46, 35, // 2000
			23, 42, 31, 21, 39, 28, 48, 37, 25, 44, // 2010
			33, 23, 41, 31, 50, 39, 28, 47, 35, 24, // 2020
			42, 30, 21, 40, 28, 47, 36, 25, 43, 33, // 2030
			22, 41, 30, 49, 37, 26, 44, 33, 23, 42, // 2040
			31, 21, 40, 29, 47, 36, 25, 44, 32, 22, // 2050
	};
	static boolean isLeapYearOfSolar(int year) {// 判断是否有闰年
		return ((year % 4 == 0) && (year % 100 != 0) || year % 400 == 0);
	}
	// 获取阳历中每个月的天数
	static int getSolarMonthOfDays(int year, int month) {
		if ((month == 1) || (month == 3) || (month == 5) || (month == 7)
				|| (month == 8) || (month == 10) || (month == 12))
			return 31;
		else if ((month == 4) || (month == 6) || (month == 9) || (month == 11))
			return 30;
		else if (month == 2) {
			if (isLeapYearOfSolar(year))
				return 29;
			else
				return 28;
		} else
			return 0;
	}
	// 获取新年的偏移天
	static int L_getOffsetOfDays(int year, int month, int day) {
		int days = 0;
		for (int i = 1; i < month; i++) {
			days += getSolarMonthOfDays(year, i);
		}
		days += day - 1;
		return days;
	}
	static int L_getLeapMonth(int year) {
		char month = storeLunarLeapMonth[(year - 1901) / 2];
		if (year % 2 == 0)
			return (month & 0x0f);
		else
			return (month & 0xf0) >> 4;
	}
	// 获取当前年月的农历月
	static int L_getMonthDays(int year, int month) {
		int leapMonth = L_getLeapMonth(year);
		if ((month > 12) && (month - 12 != leapMonth) || (month < 0)) {
			System.out.println("输入的月份有错误");
			return -1;
		}
		if (month - 12 == leapMonth) {
			if ((storeLunarMonth[year - 1901] & (0x8000 >> leapMonth)) == 0)
				return 29;
			else
				return 30;
		}
		if ((leapMonth > 0) && (month > leapMonth))
			month++;
		if ((storeLunarMonth[year - 1901] & (0x8000 >> (month - 1))) == 0)
			return 29;
		else
			return 30;
	}
	// 获取当前年份的农历年
	static int getLunarYear(int year) {
		int iYearDays = 0;
		int leapMonth = L_getLeapMonth(year);
		for (int i = 1; i < 13; i++)
			iYearDays += L_getMonthDays(year, i);
		if (leapMonth > 0)
			iYearDays += L_getMonthDays(year, leapMonth + 12);
		return iYearDays;
	}
	static int getOffsetOfDays(int year, int month, int day) {
		int days = 0;
		int leapMonth = L_getLeapMonth(year);
		if ((leapMonth > 0) && (leapMonth == month - 12)) {
			month = leapMonth;
			days += L_getMonthDays(year, month);
		}
		for (int i = 1; i < month; i++) {
			days += L_getMonthDays(year, i);
			if (i == leapMonth)
				days += L_getMonthDays(year, leapMonth + 12);
		}
		days += day - 1;
		return days;
	}
	// 阳历转换成农历
	static String solarToLundar(int year, int month, int day) {
		int L_day, L_month, L_year;
		int days = L_getOffsetOfDays(year, month, day);
		int leapMonth = L_getLeapMonth(year);
		if (days < offseOfDays[year - 1901]) {
			L_year = year - 1;
			days = offseOfDays[year - 1901] - days;
			L_day = days;
			for (L_month = 12; days > L_getMonthDays(L_year, L_month); L_month--) {
				L_day = days;
				days -= L_getMonthDays(L_year, L_month);
			}
			if (0 == L_day)
				L_day = 1;
			else
				L_day = L_getMonthDays(L_year, L_month) - days + 1;
		} else {
			L_year = year;
			days -= offseOfDays[year - 1901];
			L_day = days + 1;
			for (L_month = 1; days >= 0; L_month++) {
				L_day = days + 1;
				days -= L_getMonthDays(L_year, L_month);
				if ((leapMonth == L_month) && (days > 0)) {
					L_day = days;
					days -= L_getMonthDays(L_year, L_month + 12);
					if (days <= 0) {
						L_month += 12 + 1;
						break;
					}
				}
			}
			L_month--;
		}
		return "" + L_year + "-" + L_month + "-" + L_day;
	}
	// 农历转换成阳历
	static String lundarToSolar(int year, int month, int day) {
		int S_year, S_month, S_day;
		int days = getOffsetOfDays(year, month, day) + offseOfDays[year - 1901];
		int iYearDays = isLeapYearOfSolar(year) ? 366 : 365;
		if (days >= iYearDays) {
			S_year = year + 1;
			days -= iYearDays;
		} else {
			S_year = year;
		}
		S_day = days + 1;
		for (S_month = 1; days >= 0; S_month++) {
			S_day = days + 1;
			days -= getSolarMonthOfDays(S_year, S_month);
		}
		S_month--;
		return "" + S_year + "-" + S_month + "-" + S_day;
	}
}
// 自定义星期类
class CustomWeek {
	int week;
	private String weeks[] = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };// 定义一个String数组，存储一周七天的星期
	public CustomWeek() {// 默认星期为星期日
		week = 0;
	}
	// 0：星期日 1：星期一 2：星期二 3：星期三 4：星期四 5：星期五 6：星期六
	public CustomWeek(int w) {
		if ((w > 6) || (w < 0)) {
			System.out
					.println("CustomWeek out of range, I think you want Sunday");
			this.week = 0;
		} else
			this.week = w;
	}
	public String toString() {
		return weeks[week];
	}
}
// 自定义日期类
class CustomDate {
	public int year;
	public int month;
	public int day;
	private static int checkYear(int year) {// 检察输入的年份是否在指定的年份范围中
		if ((year > 1901) && (year < 2050))
			return year;
		else {
			System.out.println("输入的年份不在1901～2050之间，默认年份为1991年");
			return 1991;
		}
	}
	// 构造方法
	public CustomDate(int year, int month, int day) {
		this.year = checkYear(year);
		this.month = month;
		this.day = day;
	}
	public CustomDate(int year, int month) {
		this.year = checkYear(year);
		this.month = month;
		this.day = 1;
	}
	public CustomDate(int year) {
		this.year = checkYear(year);
		this.month = 1;
		this.day = 1;
	}
	public CustomDate() {// 默认初始化的日期为1991-01-01
		this.year = 1991;
		this.month = 1;
		this.day = 1;
	}
	public String toString() {
		return "" + this.year
				+ (this.month > 9 ? "" + this.month : "0" + this.month)// 月以MM的形式表示
				+ (this.day > 9 ? "" + this.day : "0" + this.day);// 日以dd的形式表示
	}
	public boolean equals(CustomDate md) {
		return ((md.day == this.day) && (md.month == this.month) && (md.year == this.year));
	}
}
// 阳历日期类,继承自定义日期
class Solar extends CustomDate {
	private static int checkMonth(int month) {// 检查月份是否越有效范围
		if (month > 12) {
			System.out.println("输入的月份越界, 默认月份为12月 ");
			return 12;
		} else if (month < 1) {
			System.out.println("输入的月份越界, 默认月份为1月");
			return 1;
		} else
			return month;
	}
	private static int checkDay(int year, int month, int day) {// 检查日期是否越有效范围
		int iMonthDays = MutualConversion.getSolarMonthOfDays(year, month);
		if (day > iMonthDays) {
			System.out.println("输入的日期越界, 默认日期为 " + iMonthDays + " ");
			return iMonthDays;
		} else if (day < 1) {
			System.out.println("输入的日期越界, 默认日期为1号");
			return 1;
		} else
			return day;
	}
	// SolarDate类的构造方法
	public Solar(int year, int month, int day) {
		super(year);
		this.month = checkMonth(month);
		this.day = checkDay(this.year, this.month, day);
	}
	public Solar(int year, int month) {
		super(year);
		this.month = checkMonth(month);
	}
	public Solar(int year) {
		super(year);
	}
	public Solar() {
		super();
	}
	// 以字符串的形式输出
	public String toString() {
		return "" + this.year
				+ (this.month > 9 ? "-" + this.month : "-0" + this.month)
				+ (this.day > 9 ? "-" + this.day : "-0" + this.day);
	}
	// 获取输入的年月日是星期几
	public CustomWeek toWeek() {
		int days = 0;
		for (int i = 1901; i < year; i++) {
			if (MutualConversion.isLeapYearOfSolar(i))
				days += 366;
			else
				days += 365;
		}
		days += MutualConversion.L_getOffsetOfDays(year, month, day);
		return new CustomWeek((days + 2) % 7);
	}
	public Lunar dateToLunar() {// 将输入日期转换成农历日期
		int year, month, day, iDate;
		Lunar ld;
		iDate = Integer.parseInt(MutualConversion.solarToLundar(this.year,
				this.month, this.day));
		year = iDate / 10000;
		month = iDate % 10000 / 100;
		day = iDate % 100;
		ld = new Lunar(year, month, day);
		return ld;
	}
	public void getDate(int year, int month) {
		Calendar calendar = Calendar.getInstance();// 获取一个Calendar对象
		int count = 0;// 定义一个计数变量
		calendar.set(Calendar.YEAR, year);// 设置年份
		calendar.set(Calendar.MONTH, month - 1);// 设置月份
		calendar.set(Calendar.DATE, 0);// 设置日期
		int days = MutualConversion.getSolarMonthOfDays(year, month);
		;
		System.out.println(year + " 年 " + month + " 月 份 的 万 年 历 如 下：");
		System.out.println("星期日\t\t星期一\t\t星期二\t\t星期三\t\t星期四\t\t星期五\t\t星期六");
		while (count < days) {
			calendar.add(Calendar.DAY_OF_MONTH, 1);// 设置添加日历的周期为1
			int day = calendar.getTime().getDay();// 获取日历的星期几表示数，例如：0：表示星期日
			if (count == 0) {// 根据星期几来决定输入几个tab
				for (int i = 0; i < day; i++) {
					System.out.print("\t\t");
				}
			}
			if (day == 0) {// 如果是周日了则换行
				System.out.println();
			}
			String time = MutualConversion.solarToLundar(year, month, calendar
					.getTime().getDate());
			String[] str = time.split("-");
			Lunar la = new Lunar(Integer.parseInt(str[0]), Integer
					.parseInt(str[1]), Integer.parseInt(str[2]));
			String name = la.toString(0);
			System.out.print(calendar.getTime().getDate() + " ");// 获取日历中日期数
			System.out.print(name + "\t");// 获取日历中日期数
			count++;
		}
	}
}
// 农历日期类,继承自定义日期类
class Lunar extends CustomDate {
	private String upperFigure[] = { "零", "一", "二", "三", "四", "五", "六", "七",
			"八", "九", "十" };
	private static int checkDay(int year, int month, int day) {// 检查日期是否越有效范围
		int iMonthDays = MutualConversion.getSolarMonthOfDays(year, month);
		if (day > iMonthDays) {
			System.out.println("输入的日期越界, 默认日期为 " + iMonthDays + " ");
			return iMonthDays;
		} else if (day < 1) {
			System.out.println("输入的日期越界, 默认日期为1号");
			return 1;
		} else
			return day;
	}
	private static int checkMonth(int year, int month) {// 检查月份是否越有效范围
		if ((month > 12)
				&& (month == MutualConversion.L_getLeapMonth(year) + 12)) {
			return month;
		} else if (month > 12) {
			System.out.println("输入的月份越界, 默认月份为12月 ");
			return 12;
		} else if (month < 1) {
			System.out.println("输入的月份越界, 默认月份为1月");
			return 1;
		} else
			return month;
	}
	// LunarDate类的构造方法
	public Lunar(int year, int month, int day) {
		super(year);
		this.month = checkMonth(this.year, month);
		this.day = checkDay(this.year, this.month, day);
	}
	public Lunar(int year, int month) {
		super(year);
		this.month = checkMonth(this.year, month);
	}
	public Lunar(int year) {
		super(year);
	}
	public Lunar() {
		super();
	}
	// 以字符串的形式输出
	public String toString(int n) {
		String sCalendar = "";
		if (n == 1) {
			sCalendar += "农历" + upperFigure[year / 1000]
					+ upperFigure[year % 1000 / 100]
					+ upperFigure[year % 100 / 10] + upperFigure[year % 10]
					+ "(" + toChineseEra() + ")年";
		}
		if (month > 12) {
			month -= 12;
			sCalendar += "闰";
		}
		if (month == 12)
			sCalendar += "腊月";
		else if (month == 11)
			sCalendar += "冬月";
		else if (month == 1)
			sCalendar += "正月";
		else
			sCalendar += upperFigure[month] + "月";
		if (day > 29)
			sCalendar += "三十";
		else if (day > 20)
			sCalendar += "二十" + upperFigure[day % 20];
		else if (day == 20)
			sCalendar += "二十";
		else if (day > 10)
			sCalendar += "十" + upperFigure[day % 10];
		else
			sCalendar += "初" + upperFigure[day];
		return sCalendar;
	}
	public CnWeek toWeek() {// 获取输入日期的星期几
		int days = 0;
		for (int i = 1901; i < year; i++)
			days += MutualConversion.getLunarYear(i);
		days += MutualConversion.getOffsetOfDays(year, month, day);
		return new CnWeek((days + 2) % 7);
	}
	public ChineseEra toChineseEra() {
		return new ChineseEra(year);
	}
	public Solar toSolarDate() {// 转换成阳历
		int year, month, day, iDate;
		Solar sd;
		iDate = Integer.parseInt(MutualConversion.lundarToSolar(this.year,
				this.month, this.day));
		year = iDate / 10000;
		month = iDate % 10000 / 100;
		day = iDate % 100;
		sd = new Solar(year, month, day);
		return sd;
	}
}
class CnWeek extends CustomWeek {// Week的子类
	private String sCnWeek[] = { "日", "一", "二", "三", "四", "五", "六" };
	// 调用父类的构造方法
	public CnWeek() {
		super();
	}
	public CnWeek(int week) {
		super(week);
	}
	public String toString() {
		return "星期" + sCnWeek[this.week];
	}
}
// 用天干地支形式表示农历年
class ChineseEra {
	int year;
	String[] westernNotation = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬",
			"癸" };
	String[] chineseEraNotation = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未",
			"申", "酉", "戌", "亥" };
	public ChineseEra() {
		int year = 1991;
	}
	public ChineseEra(int year) {
		if ((year < 2050) && (year > 1901))
			this.year = year;
		else
			this.year = 1991;
	}
	public String toString() {
		int temp;
		temp = Math.abs(year - 1924);
		return westernNotation[temp % 10] + chineseEraNotation[temp % 12];
	}
}

万年历程序例题（农历阴历转换）

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原文地址：http://blog.csdn.net/zhangyufeng0126/article/details/51615048