package com.matrix.system.hiveErp.util;
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import com.matrix.core.tools.DateUtil;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.List;
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public class StatisticsTimeUtil {
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/**
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* 通过统计单位获取时间段中,有多小段
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* @param beginTime
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* @param endTime
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* @param statisticsUnit
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* @return
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*/
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public static List<Date> getTimeSpace(String beginTime, String endTime, String statisticsUnit) {
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List<Date> result=new ArrayList<>();
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switch (statisticsUnit){
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case "时":
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return getTimeSpaceByHours(beginTime,endTime);
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case "日":
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return getTimeSpaceByDay(beginTime,endTime);
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case "月":
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return getTimeSpaceByMonth(beginTime,endTime);
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case "年":
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return getTimeSpaceByYear(beginTime,endTime);
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default:
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return result;
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}
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}
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private static List<Date> getTimeSpaceByYear(String beginTime, String endTime){
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List<Date> tims=new ArrayList();
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Date begin= DateUtil.stringToDate(beginTime,DateUtil.YEAR);
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Date end= DateUtil.stringToDate(endTime,DateUtil.YEAR);
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tims.add(begin);
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while(DateUtil.isAffterDate(begin,end)){
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begin=DateUtil.getDateAfterYear(begin,1);
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tims.add(begin);
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}
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return tims;
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}
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private static List<Date> getTimeSpaceByMonth(String beginTime, String endTime){
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List<Date> tims=new ArrayList();
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Date begin= DateUtil.stringToDate(beginTime,DateUtil.MONTH);
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Date end= DateUtil.stringToDate(endTime,DateUtil.MONTH);
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tims.add(begin);
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while(DateUtil.isAffterDate(begin,end)){
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begin=DateUtil.getDateAfterMonth(begin,1);
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tims.add(begin);
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}
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return tims;
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}
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private static List<Date> getTimeSpaceByDay(String beginTime, String endTime){
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List<Date> tims=new ArrayList();
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Date begin= DateUtil.stringToDate(beginTime,DateUtil.DATE_FORMAT_DD);
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Date end= DateUtil.stringToDate(endTime,DateUtil.DATE_FORMAT_DD);
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tims.add(begin);
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while(DateUtil.isAffterDate(begin,end)){
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begin=DateUtil.getDateAfter(begin,1);
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tims.add(begin);
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}
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return tims;
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}
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private static List<Date> getTimeSpaceByHours(String beginTime, String endTime){
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List<Date> tims=new ArrayList();
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Date begin= DateUtil.stringToDate(beginTime,DateUtil.DATE_FORMAT_HH);
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Date end= DateUtil.stringToDate(endTime,DateUtil.DATE_FORMAT_HH);
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tims.add(begin);
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while(DateUtil.isAffterDate(begin,end)){
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begin=DateUtil.getDateAfterHours(begin,1);
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tims.add(begin);
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}
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return tims;
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}
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public static void main(String[] args) {
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List<Date> tims= getTimeSpaceByYear("2014","2019");
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for (Date time: tims) {
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System.out.println(time.toLocaleString());
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}
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}
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}
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