获取两日期之前集合并转为String类型的集合

 /**
      * 获取两个日期之间的日期
      *
      * @param start 开始日期
      * @param end   结束日期
      * @return 日期集合
      */
     private static List<Date> getBetweenDates(Date start, Date end) {
         List<Date> result = new ArrayList<>();
         result.add(start);
         Calendar tempStart = Calendar.getInstance();
         tempStart.setTime(start);
         tempStart.add(Calendar.DAY_OF_YEAR, 1);

         Calendar tempEnd = Calendar.getInstance();
         tempEnd.setTime(end);
         while (tempStart.before(tempEnd)) {
             result.add(tempStart.getTime());
             tempStart.add(Calendar.DAY_OF_YEAR, 1);
         }
         if (start.getTime() != end.getTime()) {
             result.add(end);
         }
         return result;
     }

SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");

List<String> strDateList = dateList.stream().map(simpleDateFormat::format).collect(Collectors.toList());