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先献上我靠这个日历算法最终完成的一款简易日历App(相信找这个算法的人应该也在为实现一个日历而头疼吧哈哈)
下面为项目源码,支持开源精神,欢迎star、fork:(内附项目效果图)
https://github.com/Yuziquan/WCCalendar2
(希望可以帮到有需要的人~~)
结合网上的农历算法,完善了关于节假日的部分
(其中
public String getLunarDate(int year_log, int month_log, int day_log, boolean isday)
是核心函数)
注意:lunarHoliday 和 solarHoliday 里面的每一个节假日中一定要有一个空格来分隔日期和节假日名称!
- package com.wuchang.wccalendar;
-
- /**
- * Created by WuchangI on 2017/8/10.
- */
-
-
- import java.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- import java.util.Locale;
-
- /**
- * 农历算法
- *
- */
- public class LunarCalendar
- {
- private int year; // 农历的年份
- private int month;
- private int day;
- private String lunarMonth; // 农历的月份
- public int leapMonth = 0; // 闰的是哪个月
-
- final static String chineseNumber[] = {"一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二"};
- static SimpleDateFormat chineseDateFormat = new SimpleDateFormat("yyyy年MM月dd日", Locale.CHINA);
- 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};
-
- // 农历部分假日
- final static String[] lunarHoliday = new String[]{"0101 春节", "0105 五末日", "0115 元宵(上元节)", "0202 龙抬头", "0303 鸡蛋节", "0505 端午节",
- "0513 雨节", "0601 过半年", "0606 晒衣节", "0707 七夕(乞巧)", "0715 中元节(鬼节)", "0801 天医节", "0815 中秋节", "0909 重阳节", "1015 下元节",
- "1208 腊八", "1224 小年", "0100 除夕"};
-
- // 公历部分节假日
- final static String[] solarHoliday = new String[]{
- "0101 元旦", "0131 国际麻风节","0202 世界湿地日", "0203 立春", "0210 国际气象节", "0214 情人节", "0301 国际海豹日", "0303 全国爱耳日", "0305 学雷锋纪念日",
- "0308 妇女节", "0312 植树节", "0315 消费权益保护", "0401 愚人节", "0402 国际儿童图书日", "0403 寒食节", "0404 清明节", "0407 世界卫生日", "0501 劳动节",
- "0503 世界哮喘日", "0504 中国青年节", "0508 世界红十字日", "0512 国际护士节", "0514 母亲节", "0601 国际儿童节", "0605 芒种", "0606 世界爱眼日", "0611 中国文化遗产日",
- "0618 父亲节", "0701 建党节", "0707 小暑", "0711 世界人口日", "0801 建军节", "0807 立秋", "0823 处暑", "0903 抗战纪念日", "0907 白露", "0908 国际扫盲日", "0910 教师节",
- "0928 孔子诞辰", "1001 国庆", "1004 世界动物日", "1008 寒露", "1101 万圣节", "1107 立冬", "1108 世界记者日", "1109 消防宣传日", "1111 光棍节", "1112 孙中山诞辰",
- "1201 世界艾滋病日", "1203 国际残疾人日", "1207 大雪", "1209 世界足球日", "1213 南京大屠杀纪念日", "1220 澳门回归纪念日", "1225 圣诞节"};
-
- /**
- * 传回农历 y年的总天数
- *
- * @param y 年份
- * @return 该年的总天数
- */
- 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
- *
- * @param y 年份
- * @return 改年闰月天数
- */
- 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 年份
- * @return 改年闰月的月数
- */
- private static int leapMonth(int y)
- {
- return (int) (lunarInfo[y - 1900] & 0b1111);
- }
-
- /**
- * 传回农历 y年m月的总天数
- *
- * @param y 年份
- * @param m 月份
- * @return 该月份的总天数
- */
- 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 year 年份
- * @return 生肖
- */
- public String animalsYear(int year)
- {
- 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
- */
- 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
- */
- public String cyclical(int year)
- {
- int num = year - 1900 + 36;
- return (cyclicalm(num));
- }
-
- 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];
- }
-
- /**
- * 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 ?
- * <p/>
- * isday: 这个参数为false---日期为节假日时,阴历日期就返回节假日 ,true---不管日期是否为节假日依然返回这天对应的阴历日期
- *
- * @return
- */
- public String getLunarDate(int year_log, int month_log, int day_log,
- boolean isday)
- {
- // @SuppressWarnings("unused")
- int yearCyl, monCyl, dayCyl;
- // int leapMonth = 0;
- String nowadays;
- Date baseDate = null;
- Date nowaday = null;
- try
- {
- baseDate = chineseDateFormat.parse("1900年1月31日");
- } catch (ParseException e)
- {
- e.printStackTrace(); // To change body of catch statement use
- // Options | File Templates.
- }
-
- nowadays = year_log + "年" + month_log + "月" + day_log + "日";
- try
- {
- nowaday = chineseDateFormat.parse(nowadays);
- } 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) ((nowaday.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 < 10000 && offset > 0; iYear++)
- {
- daysOfYear = yearDays(iYear);
- offset -= daysOfYear;
- monCyl += 12;
- }
- if (offset < 0)
- {
- offset += daysOfYear;
- iYear--;
- monCyl -= 12;
- }
- // 农历年份
- year = iYear;
- setYear(year); // 设置公历对应的农历年份
-
- yearCyl = iYear - 1864;
- leapMonth = leapMonth(iYear); // 闰哪个月,1-12
- boolean 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;
- setLunarMonth(chineseNumber[month - 1] + "月"); // 设置对应的阴历月份
- day = offset + 1;
-
- if (!isday)
- {
- // 如果日期为节假日则阴历日期则返回节假日
- // setLeapMonth(leapMonth);
- for (int i = 0; i < solarHoliday.length; i++)
- {
- // 返回公历节假日名称
- String sd = solarHoliday[i].split(" ")[0]; // 节假日的日期
- String sdv = solarHoliday[i].split(" ")[1]; // 节假日的名称
- String smonth_v = month_log + "";
- String sday_v = day_log + "";
- String smd = "";
- if (month_log < 10)
- {
- smonth_v = "0" + month_log;
- }
- if (day_log < 10)
- {
- sday_v = "0" + day_log;
- }
- smd = smonth_v + sday_v;
- if (sd.trim().equals(smd.trim()))
- {
- return sdv;
- }
- }
-
- for (int i = 0; i < lunarHoliday.length; i++)
- {
- // 返回农历节假日名称
- String ld = lunarHoliday[i].split(" ")[0]; // 节假日的日期
- String ldv = lunarHoliday[i].split(" ")[1]; // 节假日的名称
- String lmonth_v = month + "";
- String lday_v = day + "";
- String lmd = "";
- if (month < 10)
- {
- lmonth_v = "0" + month;
- }
- if (day < 10)
- {
- lday_v = "0" + day;
- }
- lmd = lmonth_v + lday_v;
- if (ld.trim().equals(lmd.trim()))
- {
- return ldv;
- }
- }
- }
- if (day == 1)
- return chineseNumber[month - 1] + "月";
- else
- return getChinaDayString(day);
-
- }
-
-
- public String toString()
- {
- if (chineseNumber[month - 1] == "一" && getChinaDayString(day) == "初一")
- return "农历" + year + "年";
- else if (getChinaDayString(day) == "初一")
- return chineseNumber[month - 1] + "月";
- else
- return getChinaDayString(day);
- // return year + "年" + (leap ? "闰" : "") + chineseNumber[month - 1] +
- // "月" + getChinaDayString(day);
- }
-
- //
- // public static void main(String[] args) {
- // System.out.println(new
- // LunarCalendar().getLunarDate(2012, 1, 23));
- // }
-
-
- public int getLeapMonth()
- {
- return leapMonth;
- }
-
- public void setLeapMonth(int leapMonth)
- {
- this.leapMonth = leapMonth;
- }
-
- /**
- * 得到当前日期对应的阴历月份
- *
- * @return
- */
- public String getLunarMonth()
- {
- return lunarMonth;
- }
-
- public void setLunarMonth(String lunarMonth)
- {
- this.lunarMonth = lunarMonth;
- }
-
- /**
- * 得到当前年对应的农历年份
- *
- * @return
- */
- public int getYear()
- {
- return year;
- }
-
- public void setYear(int year)
- {
- this.year = year;
- }
- }

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