java获取一个时间段内的时间天数

package com.hzcominfo.hik.hikbigscreen.core;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

public class Test {
    public static void main(String[] args) throws Exception {
        List<String> list = addDates("2019-02-01", "2019-02-05");
        list.forEach(i ->
                System.out.println(i)
        );
    }

    /**
     * @param cntDateBeg 开始时间
     * @param cntDateEnd 结束时间
     * @return
     */
    public static List<String> addDates(String cntDateBeg, String cntDateEnd) {
        List<String> list = new ArrayList<>();
        //拆分成数组
        String[] dateBegs = cntDateBeg.split("-");
        String[] dateEnds = cntDateEnd.split("-");
        //开始时间转换成时间戳
        Calendar start = Calendar.getInstance();
        start.set(Integer.valueOf(dateBegs[0]), Integer.valueOf(dateBegs[1]) - 1, Integer.valueOf(dateBegs[2]));
        Long startTIme = start.getTimeInMillis();
        //结束时间转换成时间戳
        Calendar end = Calendar.getInstance();
        end.set(Integer.valueOf(dateEnds[0]), Integer.valueOf(dateEnds[1]) - 1, Integer.valueOf(dateEnds[2]));
        Long endTime = end.getTimeInMillis();
        //定义一个一天的时间戳时长
        Long oneDay = 1000 * 60 * 60 * 24l;
        Long time = startTIme;
        //循环得出
        while (time <= endTime) {
            list.add(new SimpleDateFormat("yyyy-MM-dd").format(new Date(time)));
            time += oneDay;
        }
        return list;
    }
}