+ Calendar cal = Calendar.getInstance();
+ String date2 = cal.get(Calendar.YEAR) + "/" + (cal.get(Calendar.MONTH) + 1) + "/" + cal.get(Calendar.DATE);
+ cal.add(Calendar.DATE, -3);
+ String date1 = cal.get(Calendar.YEAR) + "/" + (cal.get(Calendar.MONTH) + 1) + "/" + cal.get(Calendar.DATE);
+
+ model.put("date1", date1);
+ model.put("date2", date2);
+