539 lines
12 KiB
Java
539 lines
12 KiB
Java
package com.nlf.calendar;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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import com.nlf.calendar.util.LunarUtil;
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import com.nlf.calendar.util.SolarUtil;
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/**
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* 阳历日期
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*
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* @author 6tail
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*
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*/
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public class Solar{
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/** 2000年儒略日数(2000-1-1 12:00:00 UTC) */
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public static final double J2000 = 2451545;
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/** 年 */
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private int year;
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/** 月 */
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private int month;
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/** 日 */
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private int day;
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/** 时 */
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private int hour;
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/** 分 */
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private int minute;
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/** 秒 */
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private int second;
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/** 日历 */
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private Calendar calendar;
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/**
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* 默认使用当前日期初始化
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*/
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public Solar(){
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this(new Date());
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}
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/**
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* 通过年月日初始化
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*
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* @param year 年
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* @param month 月，1到12
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* @param day 日，1到31
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*/
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public Solar(int year,int month,int day){
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this(year,month,day,0,0,0);
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}
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/**
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* 通过年月日初始化
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*
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* @param year 年
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* @param month 月，1到12
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* @param day 日，1到31
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* @param hour 小时，0到23
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* @param minute 分钟，0到59
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* @param second 秒钟，0到59
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*/
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public Solar(int year,int month,int day,int hour,int minute,int second){
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calendar = Calendar.getInstance();
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calendar.set(year,month-1,day,hour,minute,second);
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this.year = year;
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this.month = month;
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this.day = day;
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this.hour = hour;
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this.minute = minute;
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this.second = second;
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}
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/**
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* 通过日期初始化
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*
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* @param date 日期
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*/
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public Solar(Date date){
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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year = calendar.get(Calendar.YEAR);
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month = calendar.get(Calendar.MONTH)+1;
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day = calendar.get(Calendar.DATE);
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hour = calendar.get(Calendar.HOUR_OF_DAY);
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minute = calendar.get(Calendar.MINUTE);
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second = calendar.get(Calendar.SECOND);
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}
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/**
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* 通过日历初始化
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*
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* @param calendar 日历
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*/
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public Solar(Calendar calendar){
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this.calendar = calendar;
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year = calendar.get(Calendar.YEAR);
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month = calendar.get(Calendar.MONTH)+1;
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day = calendar.get(Calendar.DATE);
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hour = calendar.get(Calendar.HOUR_OF_DAY);
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minute = calendar.get(Calendar.MINUTE);
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second = calendar.get(Calendar.SECOND);
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}
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/**
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* 通过儒略日初始化
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* @param julianDay 儒略日
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*/
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public Solar(double julianDay){
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int d = (int)(julianDay + 0.5);
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double f = julianDay + 0.5 - d;
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int c;
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if (d >= 2299161) {
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c = (int)((d - 1867216.25) / 36524.25);
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d += 1 + c - (int)(c * 1D / 4);
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}
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d += 1524;
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int year = (int)((d - 122.1) / 365.25);
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d -= (int)(365.25 * year);
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int month = (int)(d * 1D / 30.601);
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d -= (int)(30.601 * month);
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int day = d;
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if (month > 13) {
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month -= 13;
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year -= 4715;
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} else {
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month -= 1;
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year -= 4716;
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}
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f *= 24;
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int hour = (int)f;
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f -= hour;
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f *= 60;
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int minute = (int)f;
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f -= minute;
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f *= 60;
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int second = (int)Math.round(f);
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calendar = Calendar.getInstance();
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calendar.set(year,month-1,day,hour,minute,second);
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this.year = year;
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this.month = month;
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this.day = day;
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this.hour = hour;
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this.minute = minute;
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this.second = second;
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}
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/**
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* 通过指定日期获取阳历
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*
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* @param date 日期
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* @return 阳历
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*/
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public static Solar fromDate(Date date){
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return new Solar(date);
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}
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/**
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* 通过指定日历获取阳历
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*
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* @param calendar 日历
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* @return 阳历
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*/
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public static Solar fromCalendar(Calendar calendar){
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return new Solar(calendar);
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}
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/**
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* 通过指定儒略日获取阳历
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*
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* @param julianDay 儒略日
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* @return 阳历
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*/
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public static Solar fromJulianDay(double julianDay){
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return new Solar(julianDay);
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}
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/**
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* 通过指定年月日获取阳历
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*
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* @param year 年
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* @param month 月，1到12
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* @param day 日，1到31
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* @return 阳历
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*/
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public static Solar fromYmd(int year,int month,int day){
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return new Solar(year,month,day);
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}
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/**
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* 通过指定年月日时分获取阳历
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*
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* @param year 年
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* @param month 月，1到12
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* @param day 日，1到31
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* @param hour 小时，0到23
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* @param minute 分钟，0到59
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* @param second 秒钟，0到59
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* @return 阳历
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*/
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public static Solar fromYmdHms(int year,int month,int day,int hour,int minute,int second){
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return new Solar(year,month,day,hour,minute,second);
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}
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/**
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* 通过八字获取阳历列表
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* @param yearGanZhi 年柱
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* @param monthGanZhi 月柱
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* @param dayGanZhi 日柱
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* @param timeGanZhi 时柱
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* @return 符合的阳历列表
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*/
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public static List<Solar> fromBaZi(String yearGanZhi,String monthGanZhi,String dayGanZhi,String timeGanZhi){
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List<Solar> l = new ArrayList<Solar>();
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Solar today = new Solar();
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Lunar lunar = today.getLunar();
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int offsetYear = LunarUtil.getJiaZiIndex(lunar.getYearInGanZhiExact())-LunarUtil.getJiaZiIndex(yearGanZhi);
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if (offsetYear<0){
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offsetYear = offsetYear+60;
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}
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int startYear = today.getYear() - offsetYear;
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int hour = 0;
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String timeZhi = timeGanZhi.substring(1);
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for(int i=0,j=LunarUtil.ZHI.length;i<j;i++){
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if(LunarUtil.ZHI[i].equals(timeZhi)){
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hour = (i-1)*2;
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}
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}
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int year = startYear-1;
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while(year>=SolarUtil.BASE_YEAR) {
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int counter = 0;
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int month = 12;
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int day;
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boolean found = false;
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while (counter < 15) {
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day = 1;
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if(year==SolarUtil.BASE_YEAR){
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if(month<SolarUtil.BASE_MONTH){
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continue;
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}else if(month==SolarUtil.BASE_MONTH){
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day = SolarUtil.BASE_DAY;
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}
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}
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Solar solar = new Solar(year, month, day, hour, 0, 0);
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lunar = solar.getLunar();
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if (lunar.getYearInGanZhiExact().equals(yearGanZhi) && lunar.getMonthInGanZhiExact().equals(monthGanZhi)) {
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found = true;
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break;
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}
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month++;
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if (month > 12) {
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month = 1;
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year++;
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}
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counter++;
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}
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if (found) {
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counter = 0;
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Solar solar = new Solar(year, month-1, 1, hour, 0, 0);
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while (counter < 61) {
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lunar = solar.getLunar();
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if (lunar.getYearInGanZhiExact().equals(yearGanZhi) && lunar.getMonthInGanZhiExact().equals(monthGanZhi) && lunar.getDayInGanZhiExact().equals(dayGanZhi) && lunar.getTimeInGanZhi().equals(timeGanZhi)) {
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l.add(solar);
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break;
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}
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solar = solar.next(1);
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counter++;
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}
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}
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year -= 61;
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}
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return l;
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}
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/**
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* 是否闰年
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*
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* @return true/false 闰年/非闰年
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*/
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public boolean isLeapYear(){
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return SolarUtil.isLeapYear(year);
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}
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/**
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* 获取星期，0代表周日，1代表周一
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*
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* @return 0123456
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*/
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public int getWeek(){
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return calendar.get(Calendar.DAY_OF_WEEK)-1;
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}
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/**
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* 获取星期的中文
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*
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* @return 日一二三四五六
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*/
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public String getWeekInChinese(){
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return SolarUtil.WEEK[getWeek()];
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}
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/**
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* 获取节日，有可能一天会有多个节日
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*
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* @return 劳动节等
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*/
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public List<String> getFestivals(){
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List<String> l = new ArrayList<String>();
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//获取几月几日对应的节日
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String f = SolarUtil.FESTIVAL.get(month+"-"+day);
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if(null!=f){
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l.add(f);
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}
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//计算几月第几个星期几对应的节日
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//第几周
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int weekInMonth = calendar.get(Calendar.WEEK_OF_MONTH);
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//星期几，0代表星期天
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int week = getWeek();
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//星期天很奇葩，会多算一周，需要减掉
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if(0==week){
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weekInMonth--;
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}
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f = SolarUtil.WEEK_FESTIVAL.get(month+"-"+weekInMonth+"-"+week);
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if(null!=f){
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l.add(f);
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}
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return l;
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}
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/**
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* 获取非正式的节日，有可能一天会有多个节日
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*
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* @return 非正式的节日列表，如中元节
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*/
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public List<String> getOtherFestivals(){
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List<String> l = new ArrayList<String>();
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List<String> fs = SolarUtil.OTHER_FESTIVAL.get(month+"-"+day);
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if(null!=fs){
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l.addAll(fs);
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}
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return l;
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}
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/**
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* 获取星座
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*
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* @return 星座
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* @deprecated 使用getXingZuo
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*/
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public String getXingzuo(){
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return getXingZuo();
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}
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/**
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* 获取星座
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*
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* @return 星座
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*/
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public String getXingZuo(){
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int index = 11,m = month,d = day;
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int y = m*100+d;
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if(y>=321&&y<=419){
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index = 0;
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}else if(y>=420&&y<=520){
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index = 1;
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}else if(y>=521&&y<=620){
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index = 2;
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}else if(y>=621&&y<=722){
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index = 3;
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}else if(y>=723&&y<=822){
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index = 4;
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}else if(y>=823&&y<=922){
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index = 5;
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}else if(y>=923&&y<=1022){
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index = 6;
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}else if(y>=1023&&y<=1121){
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index = 7;
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}else if(y>=1122&&y<=1221){
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index = 8;
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}else if(y>=1222||y<=119){
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index = 9;
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}else if(y<=218){
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index = 10;
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}
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return SolarUtil.XINGZUO[index];
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}
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/**
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* 获取年份
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*
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* @return 如2015
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*/
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public int getYear(){
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return year;
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}
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/**
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* 获取月份
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*
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* @return 1到12
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*/
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public int getMonth(){
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return month;
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}
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/**
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* 获取日期
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*
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* @return 1到31之间的数字
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*/
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public int getDay(){
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return day;
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}
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/**
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* 获取小时
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*
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* @return 0到23之间的数字
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*/
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public int getHour(){
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return hour;
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}
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/**
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* 获取分钟
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*
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* @return 0到59之间的数字
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*/
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public int getMinute(){
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return minute;
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}
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/**
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* 获取秒钟
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*
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* @return 0到59之间的数字
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*/
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public int getSecond(){
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return second;
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}
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/**
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* 获取农历
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* @return 农历
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*/
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public Lunar getLunar(){
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return new Lunar(calendar.getTime());
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}
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/**
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* 获取儒略日
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* @return 儒略日
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*/
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public double getJulianDay(){
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int y = this.year;
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int m = this.month;
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double d = this.day + ((this.second *1D / 60 + this.minute) / 60 + this.hour) / 24;
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int n = 0;
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boolean g = false;
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if (y * 372 + m * 31 + (int)d >= 588829) {
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g = true;
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}
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if (m <= 2) {
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m += 12;
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y--;
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}
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if (g) {
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n = (int)(y * 1D / 100);
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n = 2 - n + (int)(n * 1D / 4);
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}
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return (int)(365.25 * (y + 4716)) + (int)(30.6001 * (m + 1)) + d + n - 1524.5;
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}
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/**
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* 获取日历
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*
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* @return 日历
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*/
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public Calendar getCalendar(){
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return calendar;
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}
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@Override
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public String toString(){
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return toYmd();
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}
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public String toYmd(){
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return year+"-"+(month<10?"0":"")+month+"-"+(day<10?"0":"")+day;
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}
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public String toYmdHms(){
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return toYmd()+" "+(hour<10?"0":"")+hour+":"+(minute<10?"0":"")+minute+":"+(second<10?"0":"")+second;
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}
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public String toFullString(){
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StringBuilder s = new StringBuilder();
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s.append(toYmdHms());
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if(isLeapYear()){
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s.append(" ");
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s.append("闰年");
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}
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s.append(" ");
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s.append("星期");
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s.append(getWeekInChinese());
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for(String f:getFestivals()){
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s.append(" (");
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s.append(f);
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s.append(")");
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}
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for(String f:getOtherFestivals()){
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s.append(" (");
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s.append(f);
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s.append(")");
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}
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s.append(" ");
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s.append(getXingZuo());
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s.append("座");
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return s.toString();
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}
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/**
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* 获取往后推几天的阳历日期，如果要往前推，则天数用负数
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* @param days 天数
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* @return 阳历日期
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*/
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public Solar next(int days){
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Calendar c = Calendar.getInstance();
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c.set(year,month-1,day,hour,minute,second);
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c.add(Calendar.DATE,days);
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return new Solar(c);
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}
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}
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