一.计算指定日期的前一天的日期 date -d "yesterday 20150401 " +%Y%m%d 二.如果获取当前日期的前一天 date -d "yesterday" +%Y%m%d 三.计算指定日期的前几天(例如计算20190716的前10天),如果是负数的话,则会往前数 date -d "10 day ago 20190716" +%Y%m%d 或 date -d "10 day ago 2019-07
var d = new Date(); d.setDate(d.getDate() - 2); console.log(d.toString()); // First of month var c = new Date(2017,1,1); // 1 Feb -> 30 Jan c.setDate(c.getDate() - 2); console.log(c.toString()); // First of year var b = new Date(2018,0,1); // 1 Jan -
JS获取日期时遇到如下需求,根据某年某周获取一周的日期.如开始日期规定为星期四到下一周的星期五为一周. 格式化日期: function getNowFormatDate(theDate) { var day = theDate; var Year = 0; var Month = 0; var Day = 0; var CurrentDate = ""; // 初始化时间 Year= day.getFullYear();// ie火狐下都可以 Month= day.getMonth()
NthDayOfWeek 计算并返回指定日期是该月第几周 Unit:DateUtils function NthDayOfWeek(const AValue: TDateTime): Word; Example: Uses SysUtils,DateUtils; Begin Write('Today is the ',NthDayOfWeek(Today),'-th '); Writeln(formatdateTime('dddd',Today),' of the month.');En
java 获取日期的几天前,几个月前和几年前. package bys.utils; import java.util.Date; /** * Created by toutou on 2015/3/23. */ public class DateHelper { public static final long ONE_MINUTE = 60000L; public static final long ONE_HOUR = 3600000L; public static final long