SimpleDateFormat 、Date 、calendar

SimpleDateFormat dateFormatValue = new SimpleDateFormat("yyyy-MM-dd HH:mm");
                    Date parseDate = null;
                    try {
                        parseDate = dateFormatValue.parse(value);
                    } catch (ParseException e) {
                        e.printStackTrace();
                    }
                    calendar.setTime(parseDate);
                    thisYear = calendar.get(Calendar.YEAR);
                    thisMonthOfYear = calendar.get(Calendar.MONTH);
                    thisDayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
                    thisHours = calendar.get(Calendar.HOUR_OF_DAY);
                    thisMin = calendar.get(Calendar.MINUTE);