1 /**
2 * @Description:计算日期差<天>
3 * @author lishaochun
4 * @version 1.0
5 * @date 2016年7月1日 上午10:01:51
6 * @param sDate
7 * @param eDate
8 * @return
9 */
10 public static Long dayOfDifference(Date sDate, Date eDate){
11 if (sDate == null || eDate == null){
12 return null;
13 }
14
15 Calendar sCalendar = Calendar.getInstance();
16 sCalendar.setTime(sDate);
17
18 Calendar eCalendar = Calendar.getInstance();
19 eCalendar.setTime(eDate);
20
21 long stime = sCalendar.getTimeInMillis();
22 long etime = eCalendar.getTimeInMillis();
23
24 long interdays = (stime - etime) / (1000 * 60 * 60 * 24);
25 return interdays;
26 }