1 String endDate = "2020-11-11";
2 DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
3 Calendar c = Calendar.getInstance();
4 try {
5 c.setTime(format.parse(endDate));
6 } catch (ParseException e) {
7 Logger.error(e.getMessage());
8 }
9 // 当前月最后一天
10 int maxDay = c.getActualMaximum(Calendar.DATE);
11
12 c.add(Calendar.DATE, maxDay/2);
13 int day = c.get(Calendar.DAY_OF_MONTH);
14 if (day < maxDay && day > maxDay/2) { // 月初
15 // 取上个月的最后一天
16 c.add(Calendar.MONTH, -1);
17 c.set(Calendar.DATE, c.getActualMaximum(Calendar.DATE));
18
19 String format2 = format.format(c.getTime());
20 enddate = new UFLiteralDate(format2.toString());
21 } else {
22 enddate = new UFLiteralDate(endDate.toString());
23 }
