Android获取星期、阳历日期、及农历日期
来源：互联网 发布：cf占卜软件 编辑：程序博客网 时间：2024/04/27 22:01
仿照QQ空间写的一个布局，效果图如下：
获取日期的工具代码类如下：
/** * Created by zhpan on 2016/12/13. */public class DateUtils { // 星期 private static String[] week = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"}; // 农历月份 private static String[] lunarMonth = {"正月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "冬月", "腊月"}; // 农历日 private static String[] lunarDay = {"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"}; /** * 获得当天time点时间戳 */ public static long getSignTime(int time) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.HOUR_OF_DAY, time); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.MILLISECOND, 0); return (cal.getTimeInMillis() / 1000); } /** * 时间段格式化 hh:mm:ss 用来做倒计时 */ public static String timeFormat(long time) { int hours = (int) time / 3600; String hourStr; if (hours < 10) { hourStr = "0" + hours; } else { hourStr = hours + ""; } int min = (int) (time - hours * 3600) / 60; String minStr; if (min < 10) { minStr = "0" + min; } else { minStr = min + ""; } int second = (int) (time - (time / 60) * 60); String secondStr; if (second < 10) { secondStr = "0" + second; } else { secondStr = second + ""; } String timeStr = (hourStr + ":" + minStr + ":" + secondStr); return timeStr; } /** * 获取年月日 格式yyyy-MM-dd */ public static String getDate() { Date date = new Date(); SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd"); String dateStr = simpleDateFormat.format(date); return dateStr; } /** * 获取年、月 格式 yyyy-MM * * @return */ public static String getMonth() { Date date = new Date(); SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM"); String month = simpleDateFormat.format(date); return month; } /** * 获取当月日期 * @return Day of month */ public static String getDay() { Calendar calendar = Calendar.getInstance(); int day = calendar.get(Calendar.DAY_OF_MONTH); return day+""; } /** * 获取星期几 */ public static String getWeek() { Calendar calendar = Calendar.getInstance(); int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK); return week[dayOfWeek - 1]; } /** * 获取农历月份 * @return */ public static String getLunarMonth() { Calendar calendar = Calendar.getInstance(); int year = calendar.get(Calendar.YEAR); int month = calendar.get(Calendar.MONTH) + 1; int day = calendar.get(Calendar.DAY_OF_MONTH); int[] lunarDate = LunarCalendar.solarToLunar(year, month, day); return lunarMonth[lunarDate[1] - 1]; } /** * 获取农历日 * @return */ public static String getLunarDay() { Calendar calendar = Calendar.getInstance(); int year = calendar.get(Calendar.YEAR); int month = calendar.get(Calendar.MONTH) + 1; int day = calendar.get(Calendar.DAY_OF_MONTH); int[] lunarDate = LunarCalendar.solarToLunar(year, month, day); return lunarDay[lunarDate[2] - 1]; }}获取农历日期的工具类
import java.util.Date;import java.util.GregorianCalendar;/** * 工具类，实现公农历互转 */public class LunarCalendar { /** * 支持转换的最小农历年份 */ public static final int MIN_YEAR = 1900; /** * 支持转换的最大农历年份 */ public static final int MAX_YEAR = 2099; /** * 公历每月前的天数 */ private static final int DAYS_BEFORE_MONTH[] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }; /** * 用来表示1900年到2099年间农历年份的相关信息，共24位bit的16进制表示，其中： * 1. 前4位表示该年闰哪个月； * 2. 5-17位表示农历年份13个月的大小月分布，0表示小，1表示大； * 3. 最后7位表示农历年首（正月初一）对应的公历日期。 * * 以2014年的数据0x955ABF为例说明： * 1001 0101 0101 1010 1011 1111 * 闰九月 农历正月初一对应公历1月31号 */ private static final int LUNAR_INFO[] = { 0x84B6BF,/*1900*/ 0x04AE53,0x0A5748,0x5526BD,0x0D2650,0x0D9544,0x46AAB9,0x056A4D,0x09AD42,0x24AEB6,0x04AE4A,/*1901-1910*/ 0x6A4DBE,0x0A4D52,0x0D2546,0x5D52BA,0x0B544E,0x0D6A43,0x296D37,0x095B4B,0x749BC1,0x049754,/*1911-1920*/ 0x0A4B48,0x5B25BC,0x06A550,0x06D445,0x4ADAB8,0x02B64D,0x095742,0x2497B7,0x04974A,0x664B3E,/*1921-1930*/ 0x0D4A51,0x0EA546,0x56D4BA,0x05AD4E,0x02B644,0x393738,0x092E4B,0x7C96BF,0x0C9553,0x0D4A48,/*1931-1940*/ 0x6DA53B,0x0B554F,0x056A45,0x4AADB9,0x025D4D,0x092D42,0x2C95B6,0x0A954A,0x7B4ABD,0x06CA51,/*1941-1950*/ 0x0B5546,0x555ABB,0x04DA4E,0x0A5B43,0x352BB8,0x052B4C,0x8A953F,0x0E9552,0x06AA48,0x6AD53C,/*1951-1960*/ 0x0AB54F,0x04B645,0x4A5739,0x0A574D,0x052642,0x3E9335,0x0D9549,0x75AABE,0x056A51,0x096D46,/*1961-1970*/ 0x54AEBB,0x04AD4F,0x0A4D43,0x4D26B7,0x0D254B,0x8D52BF,0x0B5452,0x0B6A47,0x696D3C,0x095B50,/*1971-1980*/ 0x049B45,0x4A4BB9,0x0A4B4D,0xAB25C2,0x06A554,0x06D449,0x6ADA3D,0x0AB651,0x095746,0x5497BB,/*1981-1990*/ 0x04974F,0x064B44,0x36A537,0x0EA54A,0x86B2BF,0x05AC53,0x0AB647,0x5936BC,0x092E50,0x0C9645,/*1991-2000*/ 0x4D4AB8,0x0D4A4C,0x0DA541,0x25AAB6,0x056A49,0x7AADBD,0x025D52,0x092D47,0x5C95BA,0x0A954E,/*2001-2010*/ 0x0B4A43,0x4B5537,0x0AD54A,0x955ABF,0x04BA53,0x0A5B48,0x652BBC,0x052B50,0x0A9345,0x474AB9,/*2011-2020*/ 0x06AA4C,0x0AD541,0x24DAB6,0x04B64A,0x6a573D,0x0A4E51,0x0D2646,0x5E933A,0x0D534D,0x05AA43,/*2021-2030*/ 0x36B537,0x096D4B,0xB4AEBF,0x04AD53,0x0A4D48,0x6D25BC,0x0D254F,0x0D5244,0x5DAA38,0x0B5A4C,/*2031-2040*/ 0x056D41,0x24ADB6,0x049B4A,0x7A4BBE,0x0A4B51,0x0AA546,0x5B52BA,0x06D24E,0x0ADA42,0x355B37,/*2041-2050*/ 0x09374B,0x8497C1,0x049753,0x064B48,0x66A53C,0x0EA54F,0x06AA44,0x4AB638,0x0AAE4C,0x092E42,/*2051-2060*/ 0x3C9735,0x0C9649,0x7D4ABD,0x0D4A51,0x0DA545,0x55AABA,0x056A4E,0x0A6D43,0x452EB7,0x052D4B,/*2061-2070*/ 0x8A95BF,0x0A9553,0x0B4A47,0x6B553B,0x0AD54F,0x055A45,0x4A5D38,0x0A5B4C,0x052B42,0x3A93B6,/*2071-2080*/ 0x069349,0x7729BD,0x06AA51,0x0AD546,0x54DABA,0x04B64E,0x0A5743,0x452738,0x0D264A,0x8E933E,/*2081-2090*/ 0x0D5252,0x0DAA47,0x66B53B,0x056D4F,0x04AE45,0x4A4EB9,0x0A4D4C,0x0D1541,0x2D92B5 /*2091-2099*/ }; /** * 将农历日期转换为公历日期 * @param year 农历年份 * @param month 农历月 * @param monthDay 农历日 * @param isLeapMonth 该月是否是闰月 * [url=home.php?mod=space&uid=7300]@return[/url] 返回农历日期对应的公历日期，year0, month1, day2. */ public static final int[] lunarToSolar(int year, int month, int monthDay, boolean isLeapMonth) { int dayOffset; int leapMonth; int i; if (year < MIN_YEAR || year > MAX_YEAR || month < 1 || month > 12 || monthDay < 1 || monthDay > 30) { throw new IllegalArgumentException( "Illegal lunar date, must be like that:\n\t" + "year : 1900~2099\n\t" + "month : 1~12\n\t" + "day : 1~30"); } dayOffset = (LUNAR_INFO[year - MIN_YEAR] & 0x001F) - 1; if (((LUNAR_INFO[year - MIN_YEAR] & 0x0060) >> 5) == 2) dayOffset += 31; for (i = 1; i < month; i++) { if ((LUNAR_INFO[year - MIN_YEAR] & (0x80000 >> (i - 1))) == 0) dayOffset += 29; else dayOffset += 30; } dayOffset += monthDay; leapMonth = (LUNAR_INFO[year - MIN_YEAR] & 0xf00000) >> 20; // 这一年有闰月 if (leapMonth != 0) { if (month > leapMonth || (month == leapMonth && isLeapMonth)) { if ((LUNAR_INFO[year - MIN_YEAR] & (0x80000 >> (month - 1))) == 0) dayOffset += 29; else dayOffset += 30; } } if (dayOffset > 366 || (year % 4 != 0 && dayOffset > 365)) { year += 1; if (year % 4 == 1) dayOffset -= 366; else dayOffset -= 365; } int[] solarInfo = new int[3]; for (i = 1; i < 13; i++) { int iPos = DAYS_BEFORE_MONTH[i]; if (year % 4 == 0 && i > 2) { iPos += 1; } if (year % 4 == 0 && i == 2 && iPos + 1 == dayOffset) { solarInfo[1] = i; solarInfo[2] = dayOffset - 31; break; } if (iPos >= dayOffset) { solarInfo[1] = i; iPos = DAYS_BEFORE_MONTH[i - 1]; if (year % 4 == 0 && i > 2) { iPos += 1; } if (dayOffset > iPos) solarInfo[2] = dayOffset - iPos; else if (dayOffset == iPos) { if (year % 4 == 0 && i == 2) solarInfo[2] = DAYS_BEFORE_MONTH[i] - DAYS_BEFORE_MONTH[i - 1] + 1; else solarInfo[2] = DAYS_BEFORE_MONTH[i] - DAYS_BEFORE_MONTH[i - 1]; } else solarInfo[2] = dayOffset; break; } } solarInfo[0] = year; return solarInfo; } /** * 将公历日期转换为农历日期，且标识是否是闰月 * @param year * @param month * @param monthDay * @return 返回公历日期对应的农历日期，year0，month1，day2，leap3 */ public static final int[] solarToLunar(int year, int month, int monthDay) { int[] lunarDate = new int[4]; Date baseDate = new GregorianCalendar(1900, 0, 31).getTime(); Date objDate = new GregorianCalendar(year, month - 1, monthDay).getTime(); int offset = (int) ((objDate.getTime() - baseDate.getTime()) / 86400000L); // 用offset减去每农历年的天数计算当天是农历第几天 // iYear最终结果是农历的年份, offset是当年的第几天 int iYear, daysOfYear = 0; for (iYear = MIN_YEAR; iYear <= MAX_YEAR && offset > 0; iYear++) { daysOfYear = daysInLunarYear(iYear); offset -= daysOfYear; } if (offset < 0) { offset += daysOfYear; iYear--; } // 农历年份 lunarDate[0] = iYear; int leapMonth = leapMonth(iYear); // 闰哪个月,1-12 boolean isLeap = 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++) { daysOfMonth = daysInLunarMonth(iYear, iMonth); offset -= daysOfMonth; } // 当前月超过闰月，要校正 if (leapMonth != 0 && iMonth > leapMonth) { --iMonth; if (iMonth == leapMonth) { isLeap = true; } } // offset小于0时，也要校正 if (offset < 0) { offset += daysOfMonth; --iMonth; } lunarDate[1] = iMonth; lunarDate[2] = offset + 1; lunarDate[3] = isLeap ? 1 : 0; return lunarDate; } /** * 传回农历year年month月的总天数 * @param year 要计算的年份 * @param month 要计算的月 * @return 传回天数 */ final public static int daysInMonth(int year, int month) { return daysInMonth(year, month, false); } /** * 传回农历year年month月的总天数 * @param year 要计算的年份 * @param month 要计算的月 * @param leap 当月是否是闰月 * @return 传回天数，如果闰月是错误的，返回0. */ public static final int daysInMonth(int year, int month, boolean leap) { int leapMonth = leapMonth(year); int offset = 0; // 如果本年有闰月且month大于闰月时，需要校正 if (leapMonth != 0 && month > leapMonth) { offset = 1; } // 不考虑闰月 if (!leap) { return daysInLunarMonth(year, month + offset); } else { // 传入的闰月是正确的月份 if (leapMonth != 0 && leapMonth == month) { return daysInLunarMonth(year, month + 1); } } return 0; } /** * 传回农历 year年的总天数 * * @param year 将要计算的年份 * @return 返回传入年份的总天数 */ private static int daysInLunarYear(int year) { int i, sum = 348; if (leapMonth(year) != 0) { sum = 377; } int monthInfo = LUNAR_INFO[year - MIN_YEAR] & 0x0FFF80; for (i = 0x80000; i > 0x7; i >>= 1) { if ((monthInfo & i) != 0) sum += 1; } return sum; } /** * 传回农历 year年month月的总天数，总共有13个月包括闰月 * * @param year 将要计算的年份 * @param month 将要计算的月份 * @return 传回农历 year年month月的总天数 */ private static int daysInLunarMonth(int year, int month) { if ((LUNAR_INFO[year - MIN_YEAR] & (0x100000 >> month)) == 0) return 29; else return 30; } /** * 传回农历 year年闰哪个月 1-12 , 没闰传回 0 * * @param year 将要计算的年份 * @return 传回农历 year年闰哪个月1-12, 没闰传回 0 */ private static int leapMonth(int year) { return (int) ((LUNAR_INFO[year - MIN_YEAR] & 0xF00000)) >> 20; }} 2 0
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