114 lines
2.0 KiB
Java
114 lines
2.0 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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/**
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* 阳历季度
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*/
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public class SolarSeason {
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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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/**
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* 默认当月
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*/
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public SolarSeason(){
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this(new Date());
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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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public SolarSeason(Date date){
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Calendar c = Calendar.getInstance();
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c.setTime(date);
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year = c.get(Calendar.YEAR);
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month = c.get(Calendar.MONTH)+1;
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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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public SolarSeason(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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}
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/**
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* 通过年月初始化
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*
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* @param year 年
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* @param month 月
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*/
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public SolarSeason(int year, int month){
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this.year = year;
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this.month = month;
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}
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/**
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* 获取年
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*
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* @return 年
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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
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*
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* @return 月
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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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* 获取当月是第几季度
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* @return 季度序号，从1开始
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*/
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public int getIndex(){
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return (int)Math.ceil(month/3D);
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}
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/**
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* 季度推移
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* @param seasons 推移的季度数，负数为倒推
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* @return 推移后的季度
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*/
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public SolarSeason next(int seasons){
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if(0==seasons){
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return new SolarSeason(year,month);
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}
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Calendar c = Calendar.getInstance();
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c.set(year,month-1,1);
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c.add(Calendar.MONTH,3*seasons);
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return new SolarSeason(c);
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}
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/**
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* 获取本季度的月份
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* @return 本季度的月份列表
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*/
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public List<SolarMonth> getMonths(){
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List<SolarMonth> l = new ArrayList<SolarMonth>();
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int index = getIndex()-1;
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for(int i=0;i<3;i++){
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l.add(new SolarMonth(year,3*index+i+1));
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}
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return l;
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}
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public String toString(){
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return year+"."+getIndex();
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}
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public String toFullString(){
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return year+"年"+getIndex()+"季度";
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}
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} |