time shift

/**
 * Time string converted to milliseconds
 *
 * @param dateTime
 * @return
 * @throws ParseException
 */
 public static long StringToMS(String dateTime) throws ParseException {  
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(new SimpleDateFormat("yyyy-MM-dd").parse(dateTime));
    return calendar.getTimeInMillis();
}

/**
 * Convert milliseconds to time strings
 *
 * @param millisecond
 * @return
 */
 public static String MSToString( long millisecond) {  
    Date date = new Date(millisecond);
    SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日 hh:mm:ss SSS a");
    return format.format(date);
}

Pay attention to capitalization