反回兩個時間相差多少小時

反回兩個時間相差多少小時
  *
  * @param beginDate
  * @param endDate
  * @return
  */
 public static long getEndDateToBeginDateMinute(Timestamp beginDate, Timestamp endDate)
 {
  long l = (endDate.getTime() - beginDate.getTime())/1000;
  long hour=l/(60 * 60);
  return hour;
 }

CartonPlanControlRoomHelp

 timeGroupList = new ArrayList();

   // 獲取已佔用時間段
   entityViewInfo.getFilter().getFilterItems().add(new FilterItemInfo("workCell.id", cutCraft.getWorkCell().getString("id"), CompareType.EQUALS));
   XXCollection cutCols = XXFactory.getLocalInstance(ctx).getXXCollection(entityViewInfo);
   for (int x = 0; x < cutCols.size(); x++)
   {
    timeGroupList.add(new TimeGroup(cutCols.get(x).getPlanBegin(), cutCols.get(x).getPlanFinish()));
   }

   // 獲取停機計劃
   stopEVInfo.getFilter().getFilterItems().add(
     new FilterItemInfo("workCellId", cutCraft.getWorkCell().getString("id"), CompareType.EQUALS));
   stopLogsCols = StopLogsFactory.getLocalInstance(ctx).getStopLogsCollection(stopEVInfo);
   for (int x = 0; x < stopLogsCols.size(); x++)
   {
    timeGroupList.add(new TimeGroup(stopLogsCols.get(x).getStartTime(), stopLogsCols.get(x).getEndTime()));
   }

 

after 晚

//xx時間小於'當天的23:59:59'的;
  Calendar enArriveDate = Calendar.getInstance();
  enArriveDate.set(Calendar.HOUR_OF_DAY,19);
  enArriveDate.set(Calendar.MINUTE,0);
  enArriveDate.set(Calendar.SECOND,0);
  Date starttime = enArriveDate.getTime();
  
  enArriveDate.set(Calendar.HOUR_OF_DAY,23);
  enArriveDate.set(Calendar.MINUTE,59);
  enArriveDate.set(Calendar.SECOND,59);
  if((new Date()).after(starttime) && (new Date()).before(enArriveDate.getTime())){
   if (prepAssemble.isSelected())
   {
    IsprepAssemble = true;
   }
  }