@Test             public void dateTest() throws Exception{                String newDate ="2015-11-30";                String dedate  ="2014-11-17";                SimpleDateFormat df=new SimpleDateFormat("yyyy-MM-dd");                SimpleDateFormat sd=new SimpleDateFormat("yyyy-MM");                Calendar calendarNew = Calendar.getInstance();                calendarNew.setTime(sd.parse(newDate));//页面传进来日期                Calendar calendarNew1 = Calendar.getInstance();                calendarNew1.setTime(sd.parse(dedate));//首次申请日期                int loanDay =Integer.valueOf(df.parse(newDate).getDate()); //取到日                while (!calendarNew1.getTime().after(calendarNew.getTime())) {                        calendarNew1.add(Calendar.MONTH,1);                         int days2 = calendarNew1.getActualMaximum(Calendar.DAY_OF_MONTH);   //当前月总天数                        if (loanDay > days2) {                         calendarNew1.set(Calendar.DAY_OF_MONTH, days2);                //set月的最大天数                        } else {                         calendarNew1.set(Calendar.DAY_OF_MONTH, loanDay);              //set申请日                       }                        System.out.println(df.format(calendarNew1.getTime()));                }        }