获取两个日期（不含时分秒）相差的天数，不包含今天

/**
 * 获取两个日期（不含时分秒）相差的天数，不包含今天
 * 
 * @param startDate
 * @param endDate
 * @throws ParseException
 * @return
 */
public static int dateBetween(Date startDate, Date endDate) throws ParseException {
   Date dateStart = dateParse(dateFormat(startDate, DATE_PATTERN), DATE_PATTERN);
   Date dateEnd = dateParse(dateFormat(endDate, DATE_PATTERN), DATE_PATTERN);
   return (int) ((dateEnd.getTime() - dateStart.getTime()) / 1000 / 60 / 60 / 24);
}