过滤时间

Calendar calendar = Calendar.getInstance();
			calendar.set(Calendar.YEAR,Integer.parseInt(year));
			if (StringUtils.isNotBlank(month)) {
				calendar.set(Calendar.MONTH,Integer.parseInt(month));
			}		
			Date startDate = calendar.getTime();
			
			//结束时间
			if (StringUtils.isNotBlank(month)) {
				calendar.add(Calendar.MONDAY, 1);
			}else{
				calendar.add(Calendar.YEAR, 1);
			}
			Date endDate = calendar.getTime();