获取当前的日期（返回格式: YYYY-mm-dd）
function getCurrentDate(date) {
let month = parseInt(date.getMonth() + 1);
let day = date.getDate();
if (month < 10) {
month = '0' + month
} if (day < 10) {
day = '0' + day } return date.getFullYear() + '-' + month + '-' + day; }
获取本周的第一天
返回格式: YYYY-mm-dd
例子: 当日为: 2020-11-27
返回日期为: 2020-11-23
function getCurrentWeekFirstDay(date) {
let weekFirstDay = new Date(date - (date.getDay() - 1) * 86400000)
let firstMonth = Number(weekFirstDay.getMonth()) + 1
if (firstMonth < 10) {
firstMonth = '0' + firstMonth }
let weekFirstDays = weekFirstDay.getDate();
if (weekFirstDays < 10) {
weekFirstDays = '0' + weekFirstDays; } return weekFirstDay.getFullYear() + '-' + firstMonth + '-' + weekFirstDays; }
获取本周的最后一天
返回格式: YYYY-mm-dd
例子: 当日为: 2020-11-27
返回日期为: 2020-11-29 function getCurrentWeekLastDay(date) {
let weekFirstDay = new Date(date - (date.getDay() - 1) * 86400000)
let weekLastDay = new Date((weekFirstDay / 1000 + 6 * 86400) * 1000)
let lastMonth = Number(weekLastDay.getMonth()) + 1
if (lastMonth < 10) {
lastMonth = '0' + lastMonth } let weekLastDays = weekLastDay.getDate();
if (weekLastDays < 10) {
weekLastDays = '0' + weekLastDays; } return weekFirstDay.getFullYear() + '-' + lastMonth + '-' + weekLastDays; }
获取当前月的第一天
返回格式: YYYY-mm-dd
例子: 当日为: 2020-11-27
返回日期为: 2020-11-01 function getCurrentMonthFirstDay() {
let date = new Date();
date.setDate(1);
let month = parseInt(date.getMonth() + 1);
let day = date.getDate();
if (month < 10) {
month = '0' + month } if (day < 10) {
day = '0' + day }
return date.getFullYear() + '-' + month + '-' + day; }
获取当前月的最后一天
返回格式: YYYY-mm-dd
例子: 当日为: 2020-11-27
返回日期为: 2020-11-30
function getCurrentMonthLastDay() {
let date = new Date();
let currentMonth = date.getMonth();
let nextMonth = ++currentMonth;
let nextMonthFirstDay = new Date(date.getFullYear(), nextMonth, 1);
let oneDay = 1000 * 60 * 60 * 24;
let lastTime = new Date(nextMonthFirstDay - oneDay);
let month = parseInt(lastTime.getMonth() + 1);
let day = lastTime.getDate();
if (month < 10) {
month = '0' + month
}
if (day < 10) {
day = '0' + day } return date.getFullYear() + '-' + month + '-' + day; }
let date = new Date(); // 例当日时间是 2020-11-27 getCurrentMonthIssue(date); // result: 2020-11 --期号 getCurrentDate(date); // result: 2020-11-27 --当前日期 getCurrentWeekFirstDay(date); // result: 2020-11-23 --本周第一天时间 getCurrentWeekLastDay(date); // result: 2020-11-29 --本周最后一天时间 getCurrentMonthFirstDay(date); // result: 2020-11-01 --本月第一天时间 getCurrentMonthLastDay(date); // result: 2020-11-30 --本月最后一天时间
获取上周第一天日期
getLastWeekData(){
let lastweek={};
let date=new Date();
date.setDate(date.getDate() - 7 -date.getDay() + 1);
lastweek.start_day=date.getFullYear() + "-" +(date.getMonth()+1) + "-" +date.getDate();
return lastweek.start_day
},
获取上周最后一天日期
getLastWeekData1(){
let lastweek={};
let date=new Date();
date.setDate(date.getDate() - 1 -date.getDay() + 1);
lastweek.end=date.getFullYear() + "-" +(date.getMonth()+1) + "-" + date.getDate();
return lastweek.end
},
获取当季第一天
function getFirstDayOfSeason (date) { var month = date.getMonth(); if(month <3 ){ date.setMonth(0); }else if(2 < month && month < 6){ date.setMonth(3); }else if(5 < month && month < 9){ date.setMonth(6); }else if(8 < month && month < 11){ date.setMonth(9); } date.setDate(1); return timeFormat(date); }