From 7ddbb9c27de440ea2740c97f0ccca6403d7f894a Mon Sep 17 00:00:00 2001 From: zjw <1886223202@qq.com> Date: Sat, 11 Jan 2020 13:21:21 +0800 Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E5=86=9C=E5=8E=86=E5=B7=A5?= =?UTF-8?q?=E5=85=B7=E7=B1=BB?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../cn/hutool/core/date/ChineseDateUtil.java | 319 ++++++++++++++++++ .../hutool/core/date/ChineseDateUtilTest.java | 21 ++ 2 files changed, 340 insertions(+) create mode 100644 hutool-core/src/main/java/cn/hutool/core/date/ChineseDateUtil.java create mode 100644 hutool-core/src/test/java/cn/hutool/core/date/ChineseDateUtilTest.java diff --git a/hutool-core/src/main/java/cn/hutool/core/date/ChineseDateUtil.java b/hutool-core/src/main/java/cn/hutool/core/date/ChineseDateUtil.java new file mode 100644 index 000000000..ec6bdad55 --- /dev/null +++ b/hutool-core/src/main/java/cn/hutool/core/date/ChineseDateUtil.java @@ -0,0 +1,319 @@ +package cn.hutool.core.date; + +import cn.hutool.core.util.StrUtil; + +import java.util.ArrayList; +import java.util.Calendar; +import java.util.Date; +import java.util.List; + + +/** + * 农历日期工具 + * + * @author zjw + */ +public class ChineseDateUtil { + + /** + * 构造方法传入日期 + * + * @param date + */ + public ChineseDateUtil(Date date) { + this.date = date; + Calendar cal = Calendar.getInstance(); + cal.setTime(date); + int yearCyl, monCyl, dayCyl; + int leapMonth = 0; + Date baseDate = DateUtil.parse("1900年1月31日", "yyyy年MM月dd日");//chineseDateFormat.parse("1900年1月31日"); + // 求出和1900年1月31日相差的天数 + int offset = (int) ((cal.getTime().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 < 2050 && offset > 0; iYear++) { + daysOfYear = yearDays(iYear); + offset -= daysOfYear; + monCyl += 12; + } + if (offset < 0) { + offset += daysOfYear; + iYear--; + monCyl -= 12; + } + // 农历年份 + year = iYear; + yearCyl = iYear - 1864; + leapMonth = leapMonth(iYear); // 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 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; + day = offset + 1; + } + + + /** + * 获得农历年份 + * + * @return 返回农历年份 + */ + public String getChineseYear() { + return String.valueOf(year); + } + + /** + * 获得农历月份 + * + * @return 返回农历月份 + */ + public String getChineseMonth() { + return (leap ? "闰" : "") + chineseNumber[month - 1] + "月"; + } + + /** + * 获得农历月称呼 + * + * @return 返回农历月份称呼 + */ + public String getChineseMonthName() { + return (leap ? "闰" : "") + chineseNumberName[month - 1] + "月"; + } + + /** + * 获得农历日 + * + * @return 获得农历日 + */ + public String getChineseDay() { + 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]; + } + + + /** + * 获得节日 + * + * @return 获得农历节日 + */ + public String getFestivals() { + String currentChineseDate = ""; + if (month < 10) { + currentChineseDate += "0" + month; + } else { + currentChineseDate += month; + } + if (day < 10) { + currentChineseDate += "0" + day; + } else { + currentChineseDate += day; + } + + List getFestivalsList = new ArrayList<>(); + for (String fv : lFtv) { + String date = fv.split(" ")[0]; + String name = fv.split(" ")[1]; + if (date.equals(currentChineseDate)) { + getFestivalsList.add(name); + } + } + return StrUtil.join(",", getFestivalsList); + } + + + /** + * 获得当前日期是星期几 + * + * @return 获得星期 + */ + public String getWeekOfDate() { + String[] weekDays = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"}; + Calendar cal = Calendar.getInstance(); + cal.setTime(date); + int w = cal.get(Calendar.DAY_OF_WEEK) - 1; + if (w < 0) + w = 0; + return weekDays[w]; + } + + + /** + * 获得年份生肖 + * + * @return 获得年份生肖 + */ + public String getAnimals() { + final String[] Animals = new String[]{"鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪"}; + return Animals[(year - 4) % 12]; + } + + + /** + * 获得天干地支 + * + * @return 获得天干地支 + */ + public String getCyclical() { + int num = year - 1900 + 36; + return (cyclicalm(num)); + } + + @Override + public String toString() { + return String.format("%s%s年 %s%s %s", getCyclical(), getAnimals(), getChineseMonthName(), getChineseDay(), getWeekOfDate()); + } + + + // -------------------- private -------------------- + private Date date; + //农历年 + private int year; + //农历月 + private int month; + //农历日 + private int day; + //是否闰年 + private boolean leap; + private String chineseNumber[] = {"一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二"}; + private String chineseNumberName[] = {"正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "腊"}; + private 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}; + //农历节日 *表示放假日 + private String[] lFtv = new String[]{ + "0101 春节", "0102 大年初二", "0103 大年初三", "0104 大年初四", + "0105 大年初五", "0106 大年初六", "0107 大年初七", "0105 路神生日", + "0115 元宵节", "0202 龙抬头", "0219 观世音圣诞", "0404 寒食节", + "0408 佛诞节 ", "0505 端午节", "0606 天贶节 姑姑节", "0624 彝族火把节", + "0707 七夕情人节", "0714 鬼节(南方)", "0715 盂兰节", "0730 地藏节", + "0815 中秋节", "0909 重阳节", "1001 祭祖节", "1117 阿弥陀佛圣诞", + "1208 腊八节 释迦如来成道日", "1223 过小年", "1229 腊月二十九", "1230 除夕"}; + + /** + * 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]); + } + + /** + * 传回农历 y年的总天数 + * + * @param y + * @return + */ + private 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 + * @return + */ + private 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m月的总天数 + * + * @param y + * @param m + * @return + */ + private int monthDays(int y, int m) { + if ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0) + return 29; + else + return 30; + } + + /** + * 传回农历 y年闰哪个月 1-12 , 没闰传回 0 + * + * @param y + * @return + */ + private int leapMonth(int y) { + return (int) (lunarInfo[y - 1900] & 0xf); + } + + // -------------------- private end ----------------- +} diff --git a/hutool-core/src/test/java/cn/hutool/core/date/ChineseDateUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/date/ChineseDateUtilTest.java new file mode 100644 index 000000000..79d757ecd --- /dev/null +++ b/hutool-core/src/test/java/cn/hutool/core/date/ChineseDateUtilTest.java @@ -0,0 +1,21 @@ +package cn.hutool.core.date; + +import org.junit.Assert; +import org.junit.Test; + +public class ChineseDateUtilTest { + + @Test + public void chineseDateTest() { + ChineseDateUtil date = new ChineseDateUtil(DateUtil.parseDate("2020-01-25")); + Assert.assertEquals("2020", date.getChineseYear()); + Assert.assertEquals("一月", date.getChineseMonth()); + Assert.assertEquals("正月", date.getChineseMonthName()); + Assert.assertEquals("初一", date.getChineseDay()); + Assert.assertEquals("星期六", date.getWeekOfDate()); + Assert.assertEquals("庚子", date.getCyclical()); + Assert.assertEquals("鼠", date.getAnimals()); + Assert.assertEquals("春节", date.getFestivals()); + Assert.assertEquals("庚子鼠年 正月初一 星期六", date.toString()); + } +}