计算个日期之间相隔的天数

public static int getDayCount (Date start, Date end ){int result = 0;int s_day = 0, e_day =0, s_year = 0, e_year = 0;Calendar cale = Calendar.getInstance(); cale.setTime(start);s_day = cale.get(Calendar.DAY_OF_YEAR);s_year = cale.get(Calendar.YEAR);cale.setTime(end);e_day = cale.get(Calendar.DAY_OF_YEAR);e_year = cale.get(Calendar.YEAR);result = ( e_year - s_year )*365 + e_day - s_day;return result + 1;}