Java日期时间API系列11-----Jdk8中java.time包中…
2019-12-30 08:42:26来源:博客园 阅读 ()
Java日期时间API系列11-----Jdk8中java.time包中的新的日期时间API类,使用java8日期时间API重写农历LunarDate
通过Java日期时间API系列7-----Jdk8中java.time包中的新的日期时间API类的优点,java8具有很多优点,现在网上查到的农历转换工具类都是基于jdk7及以前的类写的,下面使用java新的日期时间API重写农历LunarDate。
package com.xkzhangsan.time; import java.time.Instant; import java.time.LocalDate; import java.time.LocalDateTime; import java.util.Date; import com.xkzhangsan.time.converter.DateTimeConverterUtil; /** * 农历日期 * @ClassName: LunarDate * @Description: LunarDate * @author xkzhangsan * @date 2019年12月30日 * @version 0.1 ,初版,谨慎试用 */ public final class LunarDate { /** * 农历信息 */ private static final 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 }; /** * 农历月份列表 */ public static final String[] lunarMonth = new String[] { "", "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "冬", "腊" }; /** * 天干列表 */ private static final String[] tianGan = new String[] { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" }; /** * 地支列表 */ private static final String[] diZhi = new String[] { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" }; /** * 生肖列表 */ private static final String[] animals = new String[] { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" }; /** * 中文数字0-9 */ public static final String[] numStr = new String[] { "〇", "一", "二", "三", "四", "五", "六", "七", "八", "九"}; /** * 标准日期 */ private final LocalDate localDate; /** * 农历日期,中文 */ private String lDateCn; /** * 岁次 */ private String suiCi; /** * 生肖 */ private String lAnimal; /** * 农历年 */ private int lYear; /** * 农历月 */ private int lMonth; /** * 农历日 */ private int lDay; /** * 农历年,中文 */ private String lYearCn; /** * 农历月,中文 */ private String lMonthCn; /** * 农历日,中文 */ private String lDayCn; /** * 星期,中文 */ private String weekCn; private LunarDate(LocalDate localDate) { super(); this.localDate = localDate; initialize(); } /** * 初始化农历日期 */ public void initialize() { int year = localDate.getYear(); int month = localDate.getMonthValue(); int day = localDate.getDayOfMonth(); long[] l = calElement(year, month, day); this.suiCi = cyclical(year); this.lAnimal = animalsYear(year); this.lYear = (int) l[0]; this.lMonth = (int) l[1]; this.lDay = (int) l[2]; this.lYearCn = getChinaYear(this.lYear); this.lMonthCn = lunarMonth[this.lMonth]; this.lDayCn = getChinaDay(this.lDay); this.weekCn = getWeekCn(localDate.getDayOfWeek().getValue()); this.lDateCn = this.lYearCn + "年" + this.lMonthCn + "月" + this.lDayCn; } /** * 通过LocalDateTime创建LunarDate * @param localDateTime * @return */ public static LunarDate from(LocalDateTime localDateTime) { return new LunarDate(DateTimeConverterUtil.toLocalDate(localDateTime)); } /** * 通过LocalDate创建LunarDate * @param localDate * @return */ public static LunarDate from(LocalDate localDate) { return new LunarDate(localDate); } /** * 通过Instant创建LunarDate * @param localDate * @return */ public static LunarDate from(Instant instant) { return new LunarDate(DateTimeConverterUtil.toLocalDate(instant)); } /** * 通过Date创建LunarDate * @param date * @return */ public static LunarDate from(Date date) { return new LunarDate(DateTimeConverterUtil.toLocalDate(date)); } /** * 传回农历year年的总天数 * * @param year * @return */ private static final int lunarYearDays(int year) { int i, sum = 348; for (i = 0x8000; i > 0x8; i >>= 1) { if ((lunarInfo[year - 1900] & i) != 0) sum += 1; } return (sum + leapMonthDays(year)); } /** * 传回农历 year年闰月的天数 * * @param year * @return */ private static final int leapMonthDays(int year) { if (leapMonth(year) != 0) { if ((lunarInfo[year - 1900] & 0x10000) != 0) return 30; else return 29; } else return 0; } /** * 传回农历 year年闰哪个月 1-12 , 没闰传回 0 * * @param year * @return */ private static final int leapMonth(int year) { return (int) (lunarInfo[year - 1900] & 0xf); } /** * 传回农历 year年month月的总天数 * * @param year * @param month * @return */ private static final int monthDays(int year, int month) { if ((lunarInfo[year - 1900] & (0x10000 >> month)) == 0) return 29; else return 30; } /** * 传回农历 year年的生肖 * * @param year * @return */ public static final String animalsYear(int year) { return animals[(year - 4) % 12]; } /** * 传入 月日的offset 传回干支,0=甲子 * * @param num * @return */ private static final String cyclicalm(int num) { return (tianGan[num % 10] + diZhi[num % 12]); } /** * 传入 offset 传回干支, 0=甲子 * * @param year * @return */ public static final String cyclical(int year) { int num = year - 1900 + 36; return (cyclicalm(num)); } /** * 传出year年month月day日对应的农历.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 * .isLeap6 * * @param year * @param month * @param day * @return */ public static final long[] calElement(int year, int month, int day) { long[] nongDate = new long[7]; int i = 0, temp = 0, leap = 0; LocalDate baseDate = LocalDate.of(0 + 1900, 1, 31); LocalDate objDate = LocalDate.of(year, month, day); long offset = (DateTimeConverterUtil.toEpochMilli(objDate) - DateTimeConverterUtil.toEpochMilli(baseDate)) / 86400000L; nongDate[5] = offset + 40; nongDate[4] = 14; for (i = 1900; i < 2050 && offset > 0; i++) { temp = lunarYearDays(i); offset -= temp; nongDate[4] += 12; } if (offset < 0) { offset += temp; i--; nongDate[4] -= 12; } nongDate[0] = i; nongDate[3] = i - 1864; leap = leapMonth(i); // 闰哪个月 nongDate[6] = 0; for (i = 1; i < 13 && offset > 0; i++) { // 闰月 if (leap > 0 && i == (leap + 1) && nongDate[6] == 0) { --i; nongDate[6] = 1; temp = leapMonthDays((int) nongDate[0]); } else { temp = monthDays((int) nongDate[0], i); } // 解除闰月 if (nongDate[6] == 1 && i == (leap + 1)) nongDate[6] = 0; offset -= temp; if (nongDate[6] == 0) nongDate[4]++; } if (offset == 0 && leap > 0 && i == leap + 1) { if (nongDate[6] == 1) { nongDate[6] = 0; } else { nongDate[6] = 1; --i; --nongDate[4]; } } if (offset < 0) { offset += temp; --i; --nongDate[4]; } nongDate[1] = i; nongDate[2] = offset + 1; return nongDate; } public final static String getChinaYear(int year) { String ge = numStr[year % 10]; String shi = numStr[year / 10 % 10]; String bai = numStr[year / 100 % 10]; String qian = numStr[year / 1000 % 10]; return qian + bai + shi + ge; } public final static String getChinaDay(int day) { String a = ""; if (day == 10) return "初十"; if (day == 20) return "二十"; if (day == 30) return "三十"; int two = (int) ((day) / 10); if (two == 0) a = "初"; if (two == 1) a = "十"; if (two == 2) a = "廿"; if (two == 3) a = "三"; int one = (int) (day % 10); switch (one) { case 1: a += "一"; break; case 2: a += "二"; break; case 3: a += "三"; break; case 4: a += "四"; break; case 5: a += "五"; break; case 6: a += "六"; break; case 7: a += "七"; break; case 8: a += "八"; break; case 9: a += "九"; break; default: a += ""; break; } return a; } public final static String getWeekCn(int week) { String weekCn = ""; switch (week) { case 1: weekCn = "星期一"; break; case 2: weekCn = "星期二"; break; case 3: weekCn = "星期三"; break; case 4: weekCn = "星期四"; break; case 5: weekCn = "星期五"; break; case 6: weekCn = "星期六"; break; case 7: weekCn = "星期日"; break; default: weekCn = ""; break; } return weekCn; } public static LunarDate today() { LocalDate today = LocalDate.now(); return new LunarDate(today); } public LocalDate getLocalDate() { return localDate; } public String getDateCn() { return lDateCn; } public String getSuiCi() { return suiCi; } public String getlAnimalCn() { return lAnimal; } public int getlYear() { return lYear; } public int getlMonth() { return lMonth; } public int getlDay() { return lDay; } public String getlYearCn() { return lYearCn; } public String getlMonthCn() { return lMonthCn; } public String getlDayCn() { return lDayCn; } public String getWeekCn() { return weekCn; } @Override public String toString() { return "LunarDate [localDate=" + localDate + ",lDateCn=" + lDateCn + ", suiCi=" + suiCi + ", lAnimal=" + lAnimal + ", lYear=" + lYear + ", lMonth=" + lMonth + ", lDay=" + lDay + ", lYearCn=" + lYearCn + ", lMonthCn=" + lMonthCn + ", lDayCn=" + lDayCn + ", weekCn=" + weekCn + "]"; } public static void main(String[] args) { String str =LunarDate.today().toString(); System.out.println(str); } }
输出为:
LunarDate [localDate=2019-12-30,lDateCn=二〇一九年腊月初五, suiCi=己亥, lAnimal=猪, lYear=2019, lMonth=12, lDay=5, lYearCn=二〇一九, lMonthCn=腊, lDayCn=初五, weekCn=星期一]
农历原始算法来自网络。
源码地址:https://github.com/xkzhangsan/xk-time
原文链接:https://www.cnblogs.com/xkzhangsanx/p/12113506.html
如有疑问请与原作者联系
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