1

13693261870

2023-08-10 19d4f3fe0d0d2b8764e9023f214d3cba43c47668

 src/main/java/com/yssh/utils/DateUtils.java

@@ -212,9 +212,6 @@
      return times;
   }

   /**
    *
    */
   public static Map<Date, Date> segmentationDateByTimeQuantum(Date startDate, Date endDate, int timeQuantum, int dateType) {
      LinkedHashMap<Date, Date> result = new LinkedHashMap<Date, Date>();
      long startTimeMillisecond = startDate.getTime();
@@ -245,32 +242,45 @@
   }

   /**
    * 获取本月第一天
    *
    * @return String
    **/
   public static Date getMonthStart() {
    * 剪除日期的时间部分
    */
   public static Date trimTime(Date date) {
      Calendar cal = Calendar.getInstance();
      //cal.set(Calendar.MONTH, 3);
      cal.setTime(date);

      return dateTime(YYYY_MM_DD_HH_MM_SS, parseDateToStr(YYYY_MM_DD, cal.getTime()) + " 00:00:00");
   }

   /**
    * 去年
    */
   public static Date lastYear(Date date) {
      Calendar cal = Calendar.getInstance();
      cal.setTime(date);
      cal.add(Calendar.YEAR, -1);

      return cal.getTime();
   }

   /**
    * 获取本月第一天
    **/
   public static Date getMonthStart(Date date) {
      Calendar cal = Calendar.getInstance();
      // cal.set(Calendar.MONTH, 3)
      cal.setTime(date);
      cal.set(Calendar.DAY_OF_MONTH, 1);
      return dateTime(YYYY_MM_DD_HH_MM_SS, parseDateToStr(YYYY_MM_DD, cal.getTime()) + " 00:00:00");
   }

   /**
    * 获取本月最后一天
    *
    * @return String
    **/
   public static Date getMonthEnd() {
   public static Date getMonthEnd(Date date) {
      Calendar cal = Calendar.getInstance();
      //cal.set(Calendar.MONTH, 3);
      // cal.set(Calendar.MONTH, 3)
      cal.setTime(date);
      cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
      return dateTime(YYYY_MM_DD_HH_MM_SS, parseDateToStr(YYYY_MM_DD, cal.getTime()) + " 23:59:59");
   }

   public static void main(String[] args) {
      //System.out.println(parseDateToStr(YYYY_MM_DD_HH_MM_SS, getMonthStart()));
      //System.err.println(parseDateToStr(YYYY_MM_DD_HH_MM_SS, getMonthEnd()));
      System.out.println(parseDateToStr(YYYY_MM_DD_HH_MM_SS, getAPeriodOfTime(getNowDate(), -7, Calendar.DATE)));
   }
}