<?php /** * 求两个日期之间相差的天数 * (针对1970年1月1日之后,求之前可以采用泰勒公式) * @param string $day1 * @param string $day2 * @return number */ function diffBetweenTwoDays ($day1, $day2) { $second1 = strtotime($day1); $second2 = strtotime($day2); if ($second1 < $second2) {…

//两个日期之间相差的天数 function diffBetweenTwoDays ($day1, $day2) { $second1 = strtotime($day1); $second2 = strtotime($day2); if ($second1 < $second2) { $tmp = $second2; $second2 = $second1; $second1 = $tmp; } return ($second1 - $second2) / 86400; } $day1 = &qu…

/** * 计算两个日期之间相差的天数(带带负数) 支持格式YYYY-mm-dd比较 * @param higDate 减数 * @param lowDate 被减数 * @returns 差值天数 格式不正确返回null * @dada 2016-09-19 lhh添加备注 */ function DateDiff(higDate, lowDate) { //sDate1和sDate2是2006-12-18格式 var aDate, oDate1, oDate2, iDays; aDate =…

//求两个日期之间的相差天数 function daysBetween(DateOne, DateTwo) { var OneMonth = DateOne.substring(5, DateOne.lastIndexOf('/')); var OneDay = DateOne.substring(DateOne.length, DateOne.lastIndexOf('/') + 1); var OneYear = DateOne.substring(0, DateOne.indexOf('/…

import java.util.*; import java.lang.Math; class Date1{ private int year; private int month; private int day; Date1(){ year=1900; month=1; day=1; } Date1(int y,int m,int d){ this.year=y; this.month=m; this.day=d; } public int getYear(){ return year;…

说明:如:1900-01-01与1900-01-01之间算一天 private static int DateDiff(DateTime dateStart, DateTime dateEnd) { DateTime start = Convert.ToDateTime(dateStart.ToShortDateString()); DateTime end = Convert.ToDateTime(dateStart.ToShortDateString()); TimeSpan sp = en…

DateTime dtLast = new DateTime(Convert.ToInt32(LastMenses.Year), Convert.ToInt32(LastMenses.Month), Convert.ToInt32(LastMenses.Day)); DateTime dtThis = new DateTime(Convert.ToInt32(Year), Convert.ToInt32(thisMonth), Convert.ToInt32(Day)); int interva…

import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class date { /** * @param args * @throws ParseException */ public static void main(String[] args) throws ParseException { //…

需求描述: 在mysql中,查看两个日期之间相差多少天 操作过程: 1.通过datediff函数,查看两个日期之间相差多少天 mysql> select datediff('2018-06-26','2018-06-25'),datediff('2018-06-20','2018-06-26'); +-------------------------------------+-------------------------------------+ | datediff('2018-06-26…

java如何计算两个日期之间相差多少天? public static void main(String [] args) { Date now = new Date(); Calendar cal = Calendar.getInstance(); cal.set(2015,2,24);// cal.set(Calendar.YEAR, 2015);// cal.set(Calendar.MONTH, 2);// cal.set(Calendar.DATE, 24); long interval…