Java实现日历包括农历,节日,节气


import java.util.*;

public class MyCalendar {
    
    

	private int year = 0;
	private int month = 0;

	public void setyear(int year) {
    
    
		this.year = year;
	}

	public void setmonth(int month) {
    
    
		this.month = month;
	}

	public int getyear() {
    
    
		return year;
	}

	public int getmonth() {
    
    
		return month;
	}

	private int chineseyear;// 农历年份
	private int chinesemonth;// 农历月份
	private int chineseday;// 农历日
	private boolean leap;// 判断闰月
	// 1-4: 表示当年有无闰年,有的话,为闰月的月份,没有的话,为0。
	// 5-16:为除了闰月外的正常月份是大月还是小月,1为30天,0为29天。
	// 注意:从1月到12月对应的是第16位到第5位。
	// 17-20: 表示闰月是大月还是小月,仅当存在闰月的情况下有意义。
	// 举例:
	// 1980年的数据是: 0x095b0
	// 二进制:0000 1001 0101 1011 0000
	// 表示1980年没有闰月,从1月到12月的天数依次为:30、29、29、30 、29、30、29、30、 30、29、30、30。
	// 1982年的数据是:0x0a974
	// 0000 1010 0 1001 0111 0100
	// 表示1982年的4月为闰月,即有第二个4月,且是闰小月。
	// 从1月到13月的天数依次为:30、29、30、29、 29(闰月)、 30、29、29、30、 29、30、30、30。
	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 };
	String[] Gan = {
    
     "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" };
	String[] Zhi = {
    
     "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" };
	String[] chineseMonth = {
    
     "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "冬", "腊" };
	String[] chineseDay = {
    
     "初一", "初二", "初三", "初四", "初五", "初六", "初七", "初八", "初九", "初十", "十一", "十二", "十三", "十四", "十五",
			"十六", "十七", "十八", "十九", "二十", "廿一", "廿二", "廿三", "廿四", "廿五", "廿六", "廿七", "廿八", "廿九", "三十", };
	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" };

	// 传回农历 y年的总天数
	public 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
	public 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
	public int leapMonth(int y) {
    
    
		return (int) (lunarInfo[y - 1900] & 0xf);
	}

	// 传回农历 y年m月的总天数
	public int monthDays(int y, int m) {
    
    
		if ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0) {
    
    
			return 29;
		} else {
    
    
			return 30;
		}
	}

	// 传回农历年
	public String getChinaYearString() {
    
    
		int num = chineseyear - 1900 + 36;
		return (Gan[num % 10] + Zhi[num % 12]);
	}

	// 传回农历月
	public String getChinaMonthString() {
    
    
		if (leap == true) {
    
    
			return "闰" + chineseMonth[chinesemonth - 1];
		} else {
    
    
			return chineseMonth[chinesemonth - 1] + "月";
		}
	}

	// 传回农历日
	public String getChinaDayString() {
    
    
		return chineseDay[chineseday];
	}

	// 计算当年当月day日所对应的农历:chineseyear,chinesemonth,chineseday
	public void getfirstday(int day) {
    
    
		Calendar cal = Calendar.getInstance();
		cal.set(year, month - 1, day);
		int leapMonth = 0;
		Calendar basedate = Calendar.getInstance();
		basedate.set(1900, 1 - 1, 31);
		// 求出和1900年1月31日相差的天数
		int offset = (int) ((cal.getTimeInMillis() - basedate.getTimeInMillis()) / (1000 * 60 * 60 * 24));
		// 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 lyear, daysOfYear = 0;
		for (lyear = 1900; lyear < 2050 && offset > 0; lyear++) {
    
    
			daysOfYear = yearDays(lyear);
			offset = offset - daysOfYear;
		}
		if (offset < 0) {
    
    
			offset = offset + daysOfYear;
			lyear--;
		}
		this.chineseyear = lyear;// 农历年份
		leapMonth = leapMonth(lyear); // 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 lmonth, daysOfMonth = 0;
		for (lmonth = 1; lmonth < 13 && offset > 0; lmonth++) {
    
    
			// 闰月
			if (leapMonth > 0 && lmonth == (leapMonth + 1) && !leap) {
    
    
				--lmonth;
				leap = true;
				daysOfMonth = leapDays(lyear);
			} else {
    
    
				daysOfMonth = monthDays(lyear, lmonth);
			}
			offset = offset - daysOfMonth;
			// 解除闰月
			if (leap && lmonth == (leapMonth + 1)) {
    
    
				leap = false;
			}
		}
		// offset为0时,并且刚才计算的月份是闰月,要校正
		if (offset == 0 && leapMonth > 0 && lmonth == leapMonth + 1) {
    
    
			if (leap) {
    
    
				leap = false;
			} else {
    
    
				leap = true;
				--lmonth;
			}
		}
		// offset小于0时,也要校正
		if (offset < 0) {
    
    
			offset = offset + daysOfMonth;
			lmonth--;
		}
		this.chinesemonth = lmonth;
		this.chineseday = offset;
	}

	// 返回日期数组的空数据个数,即1号所在行中有多少个空位置
	// 1号不一定是在该月日历中的第一个位置
	public int getweekDay() {
    
    
		Calendar calendar = Calendar.getInstance();
		calendar.set(year, month - 1, 1);
		return calendar.get(Calendar.DAY_OF_WEEK) - 1;
	}

	// 当月有多少天
	public int getday() {
    
    
		Calendar calendar = Calendar.getInstance();
		calendar.set(year, month - 1, 1);
		int day = 0;
		if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) {
    
    
			day = 31;
		}
		if (month == 4 || month == 6 || month == 9 || month == 11) {
    
    
			day = 30;
		}
		if (month == 2) {
    
    
			if ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0)) {
    
    
				day = 29;
			} else {
    
    
				day = 28;
			}
		}
		return day;
	}

	// 返回阳历日期数组
	public String[] getCalendar() {
    
    
		int weekDay = getweekDay();
		int day = getday();
		String[] days = new String[weekDay + day];// 空数据个数加当月天数,即为日期数组的长度
		for (int i = 0; i < weekDay; i++) {
    
    
			days[i] = "";
		}
		for (int i = weekDay, n = 1; i < weekDay + day; i++) {
    
    
			days[i] = String.valueOf(n);
			n++;
		}
		return days;
	}

	// 返回农历日期数组
	public String[] getchineseCalendar() {
    
    
		getfirstday(1);
		int weekDay = getweekDay();
		int day = getday();
		String[] days = new String[weekDay + day];
		for (int i = 0; i < weekDay; i++) {
    
    
			days[i] = "";
		}
		System.arraycopy(chineseDay, chineseday, days, weekDay, monthDays(chineseyear, chinesemonth) - chineseday);
		System.arraycopy(chineseDay, 0, days, monthDays(chineseyear, chinesemonth) - chineseday + weekDay,
				day - (monthDays(chineseyear, chinesemonth) - chineseday));

		return days;
	}

	// 返回包含节日的农历日期数组
	public String[] getchineseCalendar_festival() {
    
    
		String[] days = getchineseCalendar();
		int weekDay = getweekDay();
		for (int i = 0; i < days.length; i++) {
    
    
			if ("初一".equals(days[i])) {
    
    
				getfirstday(i);
				days[i] = getChinaMonthString();
			}
			if ("正月".equals(days[i])) {
    
    
				days[i] = "春节";
			}
			if ("正月".equals(getChinaMonthString()) && "十五".equals(days[i])) {
    
    
				days[i] = "元宵";
			}
			if ("五月".equals(getChinaMonthString()) && "初五".equals(days[i])) {
    
    
				days[i] = "端午";
			}
			if ("七月".equals(getChinaMonthString()) && "初七".equals(days[i])) {
    
    
				days[i] = "七夕";
			}
			if ("七月".equals(getChinaMonthString()) && "十五".equals(days[i])) {
    
    
				days[i] = "中元";
			}
			if ("八月".equals(getChinaMonthString()) && "十五".equals(days[i])) {
    
    
				days[i] = "中秋";
			}
			if ("九月".equals(getChinaMonthString()) && "初九".equals(days[i])) {
    
    
				days[i] = "重阳";
			}
			if ("腊月".equals(getChinaMonthString()) && "初八".equals(days[i])) {
    
    
				days[i] = "腊八";
			}
			if ("腊月".equals(getChinaMonthString()) && "三十".equals(days[i])) {
    
    
				days[i] = "除夕";
			}
			if (getmonth() == 1 && i == (weekDay + 0)) {
    
    
				days[i] = "元旦";
			}
			if (getmonth() == 2 && i == (weekDay + 13)) {
    
    
				days[i] = "情人";
			}
			if (getmonth() == 3 && i == (weekDay + 7)) {
    
    
				days[i] = "妇女";
			}
			if (getmonth() == 3 && i == (weekDay + 11)) {
    
    
				days[i] = "植树";
			}
			if (getmonth() == 5 && i == (weekDay + 0)) {
    
    
				days[i] = "劳动";
			}
			if (getmonth() == 5 && i == (weekDay + 3)) {
    
    
				days[i] = "青年";
			}
			if (getmonth() == 6 && i == (weekDay + 0)) {
    
    
				days[i] = "儿童";
			}
			if (getmonth() == 7 && i == (weekDay + 0)) {
    
    
				days[i] = "建党";
			}
			if (getmonth() == 8 && i == (weekDay + 0)) {
    
    
				days[i] = "建军";
			}
			if (getmonth() == 9 && i == (weekDay + 9)) {
    
    
				days[i] = "教师";
			}
			if (getmonth() == 10 && i == (weekDay + 0)) {
    
    
				days[i] = "国庆";
			}
			if (getmonth() == 12 && i == (weekDay + 24)) {
    
    
				days[i] = "圣诞";
			}
		}
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.YEAR, year);
		cal.set(Calendar.MONTH, 5 - 1);
		int sundays = 0;
		for (int i = 1; i <= getday(); i++) {
    
    
			cal.set(Calendar.DATE, i);
			if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
    
    
				sundays++;
				if (sundays == 2) {
    
    
					if (getmonth() == 5) {
    
    
						days[weekDay + i - 1] = "母亲";
					}
					break;
				}
			}
		}
		cal.set(Calendar.MONTH, 6 - 1);
		sundays = 0;
		for (int i = 1; i <= getday(); i++) {
    
    
			cal.set(Calendar.DATE, i);
			if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
    
    
				sundays++;
				if (sundays == 3) {
    
    
					if (getmonth() == 6) {
    
    
						days[weekDay + i - 1] = "父亲";
					}
					break;
				}
			}
		}
		return days;
	}

	// 返回包含节日和节气的农历日期数组
	public String[] getchineseCalendar_festival_solarterms() {
    
    
		String days[] = getchineseCalendar_festival();
		int weekDay = getweekDay();
		// num =[Y*D+C]-L 寿星通用公式
		double D = 0.2422;
		// "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"
		// 定义数组,存储的是20世纪和21世纪的节气C值
		double[] SolarTerms_C_20thcentury = {
    
     6.11, 20.84, 4.6295, 19.4599, 6.3826, 21.4155, 5.59, 20.888, 6.318, 21.86,
				6.5, 22.2, 7.928, 23.65, 8.35, 23.95, 8.44, 23.822, 9.098, 24.218, 8.218, 23.08, 7.9, 22.6 };
		double[] SolarTerms_C_21stcentury = {
    
     5.4055, 20.12, 3.87, 18.73, 5.63, 20.646, 4.81, 20.1, 5.52, 21.04, 5.678,
				21.37, 7.108, 22.83, 7.5, 23.13, 7.646, 23.042, 8.318, 23.438, 7.438, 22.36, 7.18, 21.94 };
		double[] SolarTerms_C = null;
		if (year >= 1901 && year <= 2000) {
    
    // 20世纪
			SolarTerms_C = SolarTerms_C_20thcentury;
		} else if (year >= 2001 && year <= 2100) {
    
    // 21世纪
			SolarTerms_C = SolarTerms_C_21stcentury;
		}
		double C1 = SolarTerms_C[(month) * 2 - 1 - 1];
		double C2 = SolarTerms_C[month * 2 - 1];
		int Y = year % 100;
		int L = (Y) / 4;
		if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
    
    
			// 注意:凡闰年3月1日前闰年数要减一,即:L=[(Y-1)/4],因为小寒、大寒、立春、雨水这两个节气都小于3月1日
			if (C1 == 5.4055 || C1 == 3.87) {
    
    
				L = (Y - 1) / 4;
			}
		}
		int num1 = (int) ((Y * D + C1) - L);
		int num2 = (int) ((Y * D + C2) - L);
		days[num1 + weekDay - 1] = solarTerm[(month) * 2 - 1 - 1];
		days[num2 + weekDay - 1] = solarTerm[(month) * 2 - 1];
		return days;
	}
}

import java.util.Calendar;

public class TestMain {
    
    

	public static void main(String[] args) {
    
    
		MyCalendar mc = new MyCalendar();
		Calendar rightNow = Calendar.getInstance();
		int year = rightNow.get(Calendar.YEAR);// 获取当前年份
		int month = rightNow.get(Calendar.MONTH) + 1;// 获取当前月份
		mc.setyear(year);
		mc.setmonth(month);
		String[] day = mc.getCalendar();// 阳历日期
		String[] chineseday = mc.getchineseCalendar_festival_solarterms();// 农历日期

		// 以下为输出
		System.out.println(mc.getyear() + "年" + mc.getmonth() + "月");
		System.out.println();
		String[] week = {
    
     "日", "一", "二", "三", "四", "五", "六" };
		for (String str : week) {
    
    
			System.out.printf("%-7s", " " + str);
		}
		System.out.println();                                                                                         
		boolean bool = false;
		int n = 0;
		for (int i = 0; i < day.length; i++) {
    
    
			System.out.printf("%-5s", "  " + day[i]);
			n++;
			if (n == 7) {
    
    
				System.out.println();
				int k = mc.getweekDay();
				for (int j = 0; j < k; j++) {
    
    
					System.out.printf("%9s", "");
				}
				for (int j = k; j < 7; j++) {
    
    
					System.out.printf("%4s", chineseday[j]);
				}
				System.out.println();
			}
			if (n % 7 == 0 && n != 7) {
    
    
				System.out.println();
				bool = true;
			}
			if (bool == true) {
    
    
				for (int j = (n - 7); j < n; j++) {
    
    
					System.out.printf("%4s", chineseday[j]);
				}
				if (n != day.length) {
    
    
					System.out.println();
				}
				bool = false;
			}
			if (n == day.length && n % 7 != 0) {
    
    
				System.out.println();
				for (int j = (n - n % 7); j < n; j++) {
    
    
					System.out.printf("%4s", chineseday[j]);
				}
			}
		}
		System.out.println();
	}
}

在Eclipse中运行输出:
在这里插入图片描述

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转载自blog.csdn.net/weixin_43410772/article/details/112427593