Calendar 日历取当前时间

/**
* @param 取系统当前时间，
*/
public static String getSYStime() {
    Calendar localCalendar = Calendar.getInstance();
    String year = String.valueOf(localCalendar.get(Calendar.YEAR));
    String month = (localCalendar.get(Calendar.MONTH) + 1 < 10 ? "0"
    + (localCalendar.get(Calendar.MONTH) + 1) : (localCalendar
     .get(Calendar.MONTH) + 1)).toString();
    String day = (localCalendar.get(Calendar.DATE) < 10 ? "0"
    + localCalendar.get(Calendar.DATE) : localCalendar
    .get(Calendar.DATE)).toString();
   localCalendar = null;
   return year + month + day;
}