获取起止时间内的所有自然周

刘华鹏0304

于 2024-01-08 17:30:11 发布

阅读量533

点赞数 10

分类专栏： Java 文章标签：后端 java

本文链接：https://blog.youkuaiyun.com/a984171281/article/details/135462631

版权

Java 专栏收录该内容

60 篇文章

订阅专栏

 /**
     * 2021-03-15 ~  2021-03-23
     * <p>
     * 2021-03-15,2021-03-21
     * 2021-03-22,2021-03-23
     *
     * @param startDate 开始时间
     * @param endDate   结束时间
     * @return 返回 时间段中的自然周
     */
    public static List<DateVo> getBetweenWeeks(String startDate, String endDate) {
        List<DateVo> dateVoList = null;
        try {
            List<String> listWeekOrMonth = new ArrayList<>();
            dateVoList = new ArrayList<>();
            Date sDate = sdf.parse(startDate);// 定义起始日期
            Calendar sCalendar = Calendar.getInstance();
            sCalendar.setFirstDayOfWeek(Calendar.MONDAY);
            sCalendar.setTime(sDate);
            Date eDate = sdf.parse(endDate);// 定义结束日期
            Calendar eCalendar = Calendar.getInstance();
            eCalendar.setFirstDayOfWeek(Calendar.MONDAY);
            eCalendar.setTime(eDate);
            boolean bool = true;
            while (sCalendar.getTime().getTime() < eCalendar.getTime().getTime()) {
                if (bool || sCalendar.get(Calendar.DAY_OF_WEEK) == Calendar.MONDAY || sCalendar.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
                    listWeekOrMonth.add(sdf.format(sCalendar.getTime()));
                    bool = false;
                }
                sCalendar.add(Calendar.DAY_OF_MONTH, 1);
            }
            listWeekOrMonth.add(sdf.format(eCalendar.getTime()));
            if (listWeekOrMonth.size() % 2 != 0) {
                listWeekOrMonth.add(sdf.format(eCalendar.getTime()));
            }
            for (int i = 0; i < listWeekOrMonth.size() - 1; i++) {
                if (i % 2 == 0) {
                    DateVo dateVo = new DateVo();
                    dateVo.setBeginDate(listWeekOrMonth.get(i));
                    dateVo.setEndDate(listWeekOrMonth.get(i + 1));
                    dateVoList.add(dateVo);
                }
            }
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return dateVoList;
    }

   @Data
    @NoArgsConstructor
    public static class DateVo {
        private String beginDate;
        private String endDate;
        private int dayNum;//差值

        public DateVo(String beginDate, String endDate) {
            this.beginDate = beginDate;
            this.endDate = endDate;
        }
    }