//两个时间相差天数 兼容firefox chrome var days = function(startDate) { var sdate = new Date(startDate.replace(/-/g, "/")); var now = new Date(); var days = now.getTime() - sdate.getTime(); var day = parseInt(days / (1000 * 60 * 60 * 24)); return day;
oracle如何计算两个日期的相差天数.月数.年数.小时数.分钟数.秒数 1.相差天数(两个日期相减) --Oracle中两个日期相差天数-- select TO_NUMBER(TO_DATE('2018-6-5','yyyy-mm-dd hh24:mi:ss')- TO_DATE('2018-5-31','yyyy-mm-dd hh24:mi:ss')) AS 相差天数 from dual; 2.相差小时数.分钟数.秒数 --Oracle中两个日期相差小时数-- ) AS 相差小时数 from
Java 计算加几个月之后的时间 public static Date getAfterMonth(String inputDate,int number) { Calendar c = Calendar.getInstance();//获得一个日历的实例 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Date date = null; try{ date = sdf.parse(inputDate);//初始日期
public static int daydiff(Date fDate, Date oDate) { Calendar aCalendar = Calendar.getInstance(); aCalendar.setTime(fDate); int day1 = aCalendar.get(Calendar.DAY_OF_YEAR); aCalendar.setTime(oDate); int day2 = aCalendar.get(Calendar.DAY_OF_YEAR); retur