JS獲取本週週一 週日日期、本季度、本月、上月的開端日期、停止日期
1、首先來一個自己公司專案的原始碼：
專案需求描述： 從20150712日開始， ，
需求①：根據當前時間返回每一週 、週一~週日的日期（需返回2種格式 格式1：7月13日，格式2：2015-07-13）
需求②：返回當前時間本週的，週一早上9:00:00和週日的23:59:59
需求③：計算出當前時間離20150712日有多少周
需求④：在需求3基礎上，如果大於一週，需要返回歷史周的週一早上9:00:00和週日的23:59:59 （在此用二位陣列）
function GetWeekDate(time){
var now = new Date(time); //當前日期
this.nowDayOfWeek = now.getDay(); //今天本週的第幾天
this.nowYear = now.getYear(); //當前年
this.nowMonth = now.getMonth(); //月
this.nowDay = now.getDate(); //日
this.beginHour="09:00:00";
this.endHour="23:59:59";
this.nowYear += (this.nowYear < 2000) ? 1900 : 0; //
this.nowDayOfWeek = this.nowDayOfWeek==0?7:this.nowDayOfWeek; // 如果是週日，就變成周七
}
GetWeekDate.prototype.date2str=function(x,y){//date2str(new Date(curTime),"yyyy-MM-dd")
var z ={y:x.getFullYear(),M:x.getMonth()+1,d:x.getDate(),h:x.getHours(),m:x.getMinutes(),s:x.getSeconds()};
return y.replace(/(y+|M+|d+|h+|m+|s+)/g,function(v) {return ((v.length>1?"0":"")+eval('z.'+v.slice(-1))).slice(-(v.length>2?v.length:2))});
}
GetWeekDate.prototype.formatDate=function(date){//格局化日期：yyyy-MM-dd
var myyear = date.getFullYear();
var mymonth = date.getMonth()+1;
var myweekday = date.getDate();
//alert("formatDate"+myyear+":"+mymonth+":"+myweekday)
if(mymonth < 10){
mymonth = "0" + mymonth;
}
if(myweekday < 10){
myweekday = "0" + myweekday;
}
return (myyear+"-"+mymonth + "-" + myweekday);
}
GetWeekDate.prototype.getWeekStartDate=function(){ //獲得本週的開端日期
var weekStartDate = new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek+1);
return this.formatDate(weekStartDate);
}
GetWeekDate.prototype.getWeekEndDate=function(){//獲得本週的停止日期
var weekEndDate = new Date(this.nowYear, this.nowMonth, this.nowDay + (6 - this.nowDayOfWeek+1));
return this.formatDate(weekEndDate);
}
GetWeekDate.prototype.getAWeedkYMD=function(){//獲得本週週一~週日的年月日
var ymdArr=[];
for (var i = 0; i < 7; i++) {
ymdArr[i]=[];
//ymdArr[i][0]=this.formatDate(new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek+i+1));
ymdArr[i][0]=this.date2str(new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek+i+1),'yyyy-MM-dd');
ymdArr[i][1]=this.date2str(new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek+i+1), 'MM月dd日');
};
return ymdArr;
}
GetWeekDate.prototype.getQishu=function(time){//獲得本週是指定日期(7.12日)的第幾周
var oNDate=new Date(time); //系統當前時間
var oEDate=new Date('2015/7/12 23:59:59');
var diff= oNDate.getTime()-oEDate.getTime();
//console.log(diff)
//console.log("相差天："+diff/(24*60*60*1000))
//console.log("相差期數："+parseInt(diff/(24*60*60*1000))/7)
//console.log("取整期數："+Math.floor(parseInt(diff/(24*60*60*1000))/7))
return (diff/(24*60*60*1000))/7;
}
GetWeekDate.prototype.getWeeksDates=function(time){//獲取歷史周排行的週一到週日時間段
var qishu = (this.qishu || this.qishu==0)?this.qishu:this.getQishu(time);
//var qishu=this.getQishu(time);
var WeeksTimes=[];//存放時間的二維陣列
minYear=2015,
minMonth=7,
minDay=12;
for (var i = 0; i<qishu; i++) {
var sday;
var eday;
WeeksTimes[i]=[];
if(i==0){//如果離2015-07-12只相差1期
sday=minDay+1; //開始時間+1天
}else{//如果離2015-07-12相差期數>1
sday=minDay+1+7*i;
}
eday=minDay+7*(i+1);//結束時間+7天
WeeksTimes[i][0]=this.formatDate(new Date(minYear,minMonth-1,sday))+" "+this.beginHour;
WeeksTimes[i][1]=this.formatDate(new Date(minYear,minMonth-1,eday))+" "+this.endHour;
};
//如果是一週的週日就不要減去一期
return WeeksTimes;
}
GetWeekDate.prototype.todayData=function(json){//處理tender_list_week.jsp頁面
var oQishu=$('.qishu');
iQishu=this.qishu;//期數+1是因為，相差0期就是第1期
oThisWeekListBtn=$('.total_list_btn'),//檢視本週排行榜按鈕
sTime=this.getWeekStartDate()+" "+this.beginHour,
eTime=this.getWeekEndDate()+" "+this.endHour;
//1、修改期數
//console.log("相差周:"+iQishu);
if(/^[1-9]\d*$/.test(iQishu) || iQishu==0){//整數 +3
oQishu.html(iQishu*1+3);
}else{
oQishu.html(Math.floor(iQishu)*1+4);
}
oThisWeekListBtn.attr("onclick","showWeekList('"+sTime+"','"+eTime+"')");//2、修改檢視本週排行榜的起止時間
}
GetWeekDate.prototype.historyData=function(time){//處理tender_list_week.jsp頁面
var oQishu=$('.qishu'),
oDateList=$('#dateList'), //頂部導航時間
oHistoryList=$('#history_cont'),//歷史周
aThisWeekYMD=this.getAWeedkYMD(),//本週週一~週日的年月日
aThisWeekDates=this.getWeeksDates(time);//獲取歷史周排行的週一到週日時間段
iQishu=this.qishu;
//console.log("相差周:"+iQishu);
//1、修改期數，+4是加上前3期，在+1是如果間隔3期，當前就是第4期
//如果時間23:59:59是正整數（-1），如果是0整數(3)，如果是非整數（向下取整），或負數(向上取整)但是負數不考慮
//oQishu.html(iQishu*1+3);
if(/^[1-9]\d*$/.test(iQishu) || iQishu==0){//整數 +3
oQishu.html(iQishu*1+3);
}else{
oQishu.html(Math.floor(iQishu)*1+4);
}
//2、給頂部時間追加時間
for (var i = 0; i < aThisWeekYMD.length; i++) {
var str='<li data-time="'+aThisWeekYMD[i][0]+'">'+aThisWeekYMD[i][1]+'</li>';
$(str).appendTo(oDateList);
};
//3、給歷史周排行榜新增週期數
if(this.qishu>1){//如果相差的期數大於1期
//console.dir(aThisWeekDates)
for (var j = 0; j < aThisWeekDates.length-1; j++) {
var iQiNum=j+4;
var str='<li onclick="showWeekList(\''+aThisWeekDates[j][0]+'\',\''+aThisWeekDates[j][1]+'\')">第'+iQiNum+'期</li>';
$(str).prependTo(oHistoryList);
};
}
}
GetWeekDate.prototype.init=function(time){
var iQishu=this.getQishu(time),//期數+1是因為，相差0期就是第1期
json={};
json.qishu=iQishu;
this.qishu=iQishu;
if($('#pageType').val()=="today"){//如果是tender_list_week.jsp頁面
if(new Date(time).getTime() < new Date('2015/07/12 23:59:59').getTime()){//特殊處理時間小於20150712
$('.qishu').html('3');
$('.total_list_btn').attr("onclick","showWeekList('2015-07-03 09:00:00','2015-07-12 23:59:59')");
return false;
}
this.todayData(json);
}else if($('#pageType').val()=="history"){
if(new Date(time).getTime() < new Date('2015/07/12 23:59:59').getTime()){//特殊處理時間小於20150712
$('.qishu').html('3');
$('#dateList').addClass('dateList2').html('<li data-time="2015-07-03">07月03日</li><li data-time="2015-07-04">07月04日</li><li data-time="2015-07-05">07月05日</li><li data-time="2015-07-06">07月06日</li><li data-time="2015-07-07">07月07日</li><li data-time="2015-07-08">07月08日</li><li data-time="2015-07-09">07月09日</li><li data-time="2015-07-10">07月10日</li><li data-time="2015-07-11">07月11日</li><li data-time="2015-07-12">07月12日</li>');
$('#history_cont').html('<li onclick="showWeekList(\'2015-06-26 09:00:00\',\'2015-07-02 23:59:59\')">第二期</li><li onclick="showWeekList(\'2015-06-19 12:00:00\',\'2015-06-25 23:59:59\')">第一期</li>');
return false;
}
this.historyData(time);
}
//console.dir(this.getWeeksDates(time));
};
2、JS獲取本週、本季度、本月、上月的開端日期、停止日期
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Document</title>
<script src="http://apps.bdimg.com/libs/jquery/1.9.1/jquery.min.js"></script>
<script>
/**
* 日期範圍工具類
*/
var dateRangeUtil = (function () {
/***
* 獲得當前時間
*/
this.getCurrentDate = function () {
return new Date('2015','07','-1');
};
/***
* 獲得本週起止時間
*/
this.getCurrentWeek = function () {
//起止日期陣列
var startStop = new Array();
//獲取當前時間
var currentDate = this.getCurrentDate();
//返回date是一週中的某一天
var week = currentDate.getDay();
//返回date是一個月中的某一天
var month = currentDate.getDate();
//一天的毫秒數
var millisecond = 1000 * 60 * 60 * 24;
//減去的天數
var minusDay = week != 0 ? week - 1 : 6;
//alert(minusDay);
//本週 週一
var monday = new Date(currentDate.getTime() - (minusDay * millisecond));
//本週 週日
var sunday = new Date(monday.getTime() + (6 * millisecond));
//新增本週時間
startStop.push(monday); //本週起始時間
//新增本週最後一天時間
startStop.push(sunday); //本週終止時間
//返回
return startStop;
};
/***
* 獲得本月的起止時間
*/
this.getCurrentMonth = function () {
//起止日期陣列
var startStop = new Array();
//獲取當前時間
var currentDate = this.getCurrentDate();
//獲得當前月份0-11
var currentMonth = currentDate.getMonth();
//獲得當前年份4位年
var currentYear = currentDate.getFullYear();
//求出本月第一天
var firstDay = new Date(currentYear, currentMonth, 1);
//當為12月的時候年份需要加1
//月份需要更新為0 也就是下一年的第一個月
if (currentMonth == 11) {
currentYear++;
currentMonth = 0; //就為
} else {
//否則只是月份增加,以便求的下一月的第一天
currentMonth++;
}
//一天的毫秒數
var millisecond = 1000 * 60 * 60 * 24;
//下月的第一天
var nextMonthDayOne = new Date(currentYear, currentMonth, 1);
//求出上月的最後一天
var lastDay = new Date(nextMonthDayOne.getTime() - millisecond);
//新增至陣列中返回
startStop.push(firstDay);
startStop.push(lastDay);
//返回
return startStop;
};
/**
* 得到本季度開始的月份
* @param month 需要計算的月份
***/
this.getQuarterSeasonStartMonth = function (month) {
var quarterMonthStart = 0;
var spring = 0; //春
var summer = 3; //夏
var fall = 6; //秋
var winter = 9; //冬
//月份從0-11
if (month < 3) {
return spring;
}
if (month < 6) {
return summer;
}
if (month < 9) {
return fall;
}
return winter;
};
/**
* 獲得該月的天數
* @param year年份
* @param month月份
* */
this.getMonthDays = function (year, month) {
//本月第一天 1-31
var relativeDate = new Date(year, month, 1);
//獲得當前月份0-11
var relativeMonth = relativeDate.getMonth();
//獲得當前年份4位年
var relativeYear = relativeDate.getFullYear();
//當為12月的時候年份需要加1
//月份需要更新為0 也就是下一年的第一個月
if (relativeMonth == 11) {
relativeYear++;
relativeMonth = 0;
} else {
//否則只是月份增加,以便求的下一月的第一天
relativeMonth++;
}
//一天的毫秒數
var millisecond = 1000 * 60 * 60 * 24;
//下月的第一天
var nextMonthDayOne = new Date(relativeYear, relativeMonth, 1);
//返回得到上月的最後一天,也就是本月總天數
return new Date(nextMonthDayOne.getTime() - millisecond).getDate();
};
/**
* 獲得本季度的起止日期
*/
this.getCurrentSeason = function () {
//起止日期陣列
var startStop = new Array();
//獲取當前時間
var currentDate = this.getCurrentDate();
//獲得當前月份0-11
var currentMonth = currentDate.getMonth();
//獲得當前年份4位年
var currentYear = currentDate.getFullYear();
//獲得本季度開始月份
var quarterSeasonStartMonth = this.getQuarterSeasonStartMonth(currentMonth);
//獲得本季度結束月份
var quarterSeasonEndMonth = quarterSeasonStartMonth + 2;
//獲得本季度開始的日期
var quarterSeasonStartDate = new Date(currentYear, quarterSeasonStartMonth, 1);
//獲得本季度結束的日期
var quarterSeasonEndDate = new Date(currentYear, quarterSeasonEndMonth, this.getMonthDays(currentYear, quarterSeasonEndMonth));
//加入陣列返回
startStop.push(quarterSeasonStartDate);
startStop.push(quarterSeasonEndDate);
//返回
return startStop;
};
/***
* 得到本年的起止日期
*
*/
this.getCurrentYear = function () {
//起止日期陣列
var startStop = new Array();
//獲取當前時間
var currentDate = this.getCurrentDate();
//獲得當前年份4位年
var currentYear = currentDate.getFullYear();
//本年第一天
var currentYearFirstDate = new Date(currentYear, 0, 1);
//本年最後一天
var currentYearLastDate = new Date(currentYear, 11, 31);
//新增至陣列
startStop.push(currentYearFirstDate);
startStop.push(currentYearLastDate);
//返回
return startStop;
};
/**
* 返回上一個月的第一天Date型別
* @param year 年
* @param month 月
**/
this.getPriorMonthFirstDay = function (year, month) {
//年份為0代表,是本年的第一月,所以不能減
if (month == 0) {
month = 11; //月份為上年的最後月份
year--; //年份減1
return new Date(year, month, 1);
}
//否則,只減去月份
month--;
return new Date(year, month, 1); ;
};
/**
* 獲得上一月的起止日期
* ***/
this.getPreviousMonth = function () {
//起止日期陣列
var startStop = new Array();
//獲取當前時間
var currentDate = this.getCurrentDate();
//獲得當前月份0-11
var currentMonth = currentDate.getMonth();
//獲得當前年份4位年
var currentYear = currentDate.getFullYear();
//獲得上一個月的第一天
var priorMonthFirstDay = this.getPriorMonthFirstDay(currentYear, currentMonth);
//獲得上一月的最後一天
var priorMonthLastDay = new Date(priorMonthFirstDay.getFullYear(), priorMonthFirstDay.getMonth(), this.getMonthDays(priorMonthFirstDay.getFullYear(), priorMonthFirstDay.getMonth()));
//新增至陣列
startStop.push(priorMonthFirstDay);
startStop.push(priorMonthLastDay);
//返回
return startStop;
};
/**
* 獲得上一週的起止日期
* **/
this.getPreviousWeek = function () {
//起止日期陣列
var startStop = new Array();
//獲取當前時間
var currentDate = this.getCurrentDate();
//返回date是一週中的某一天
var week = currentDate.getDay();
//返回date是一個月中的某一天
var month = currentDate.getDate();
//一天的毫秒數
var millisecond = 1000 * 60 * 60 * 24;
//減去的天數
var minusDay = week != 0 ? week - 1 : 6;
//獲得當前周的第一天
var currentWeekDayOne = new Date(currentDate.getTime() - (millisecond * minusDay));
//上週最後一天即本週開始的前一天
var priorWeekLastDay = new Date(currentWeekDayOne.getTime() - millisecond);
//上週的第一天
var priorWeekFirstDay = new Date(priorWeekLastDay.getTime() - (millisecond * 6));
//新增至陣列
startStop.push(priorWeekFirstDay);
startStop.push(priorWeekLastDay);
return startStop;
};
/**
* 得到上季度的起始日期
* year 這個年應該是運算後得到的當前本季度的年份
* month 這個應該是運算後得到的當前季度的開始月份
* */
this.getPriorSeasonFirstDay = function (year, month) {
var quarterMonthStart = 0;
var spring = 0; //春
var summer = 3; //夏
var fall = 6; //秋
var winter = 9; //冬
//月份從0-11
switch (month) {//季度的其實月份
case spring:
//如果是第一季度則應該到去年的冬季
year--;
month = winter;
break;
case summer:
month = spring;
break;
case fall:
month = summer;
break;
case winter:
month = fall;
break;
};
return new Date(year, month, 1);
};
/**
* 得到上季度的起止日期
* **/
this.getPreviousSeason = function () {
//起止日期陣列
var startStop = new Array();
//獲取當前時間
var currentDate = this.getCurrentDate();
//獲得當前月份0-11
var currentMonth = currentDate.getMonth();
//獲得當前年份4位年
var currentYear = currentDate.getFullYear();
//上季度的第一天
var priorSeasonFirstDay = this.getPriorSeasonFirstDay(currentYear, currentMonth);
//上季度的最後一天
var priorSeasonLastDay = new Date(priorSeasonFirstDay.getFullYear(), priorSeasonFirstDay.getMonth() + 2, this.getMonthDays(priorSeasonFirstDay.getFullYear(), priorSeasonFirstDay.getMonth() + 2));
//新增至陣列
startStop.push(priorSeasonFirstDay);
startStop.push(priorSeasonLastDay);
return startStop;
};
/**
* 得到去年的起止日期
* **/
this.getPreviousYear = function () {
//起止日期陣列
var startStop = new Array();
//獲取當前時間
var currentDate = this.getCurrentDate();
//獲得當前年份4位年
var currentYear = currentDate.getFullYear();
currentYear--;
var priorYearFirstDay = new Date(currentYear, 0, 1);
var priorYearLastDay = new Date(currentYear, 11, 1);
//新增至陣列
startStop.push(priorYearFirstDay);
startStop.push(priorYearLastDay);
return startStop;
};
return this;
})();
$(function(){
$("#startDate").html( dateRangeUtil.getCurrentWeek() );
})
</script>
</head>
<body>
<div id="startDate"></div>
</body>
</html>3、JS獲取本週、本季度、本月、上月的開端日期、停止日期
Js程式碼
/**
* 獲取本週、本季度、本月、上月的開端日期、停止日期
*/
var now = new Date(); //當前日期
var nowDayOfWeek = now.getDay(); //今天本週的第幾天
var nowDay = now.getDate(); //當前日
var nowMonth = now.getMonth(); //當前月
var nowYear = now.getYear(); //當前年
nowYear += (nowYear < 2000) ? 1900 : 0; //
var lastMonthDate = new Date(); //上月日期
lastMonthDate.setDate(1);
lastMonthDate.setMonth(lastMonthDate.getMonth()-1);
var lastYear = lastMonthDate.getYear();
var lastMonth = lastMonthDate.getMonth();
//格局化日期：yyyy-MM-dd
function formatDate(date) {
var myyear = date.getFullYear();
var mymonth = date.getMonth()+1;
var myweekday = date.getDate();
if(mymonth < 10){
mymonth = "0" + mymonth;
}
if(myweekday < 10){
myweekday = "0" + myweekday;
}
return (myyear+"-"+mymonth + "-" + myweekday);
}
//獲得某月的天數
function getMonthDays(myMonth){
var monthStartDate = new Date(nowYear, myMonth, 1);
var monthEndDate = new Date(nowYear, myMonth + 1, 1);
var days = (monthEndDate - monthStartDate)/(1000 * 60 * 60 * 24);
return days;
}
//獲得本季度的開端月份
function getQuarterStartMonth(){
var quarterStartMonth = 0;
if(nowMonth<3){
quarterStartMonth = 0;
}
if(2<nowMonth && nowMonth<6){
quarterStartMonth = 3;
}
if(5<nowMonth && nowMonth<9){
quarterStartMonth = 6;
}
if(nowMonth>8){
quarterStartMonth = 9;
}
return quarterStartMonth;
}
//獲得本週的開端日期
function getWeekStartDate() {
var weekStartDate = new Date(nowYear, nowMonth, nowDay - nowDayOfWeek);
return formatDate(weekStartDate);
}
//獲得本週的停止日期
function getWeekEndDate() {
var weekEndDate = new Date(nowYear, nowMonth, nowDay + (6 - nowDayOfWeek));
return formatDate(weekEndDate);
}
//獲得本月的開端日期
function getMonthStartDate(){
var monthStartDate = new Date(nowYear, nowMonth, 1);
return formatDate(monthStartDate);
}
//獲得本月的停止日期
function getMonthEndDate(){
var monthEndDate = new Date(nowYear, nowMonth, getMonthDays(nowMonth));
return formatDate(monthEndDate);
}
//獲得上月開端時候
function getLastMonthStartDate(){
var lastMonthStartDate = new Date(nowYear, lastMonth, 1);
return formatDate(lastMonthStartDate);
}
//獲得上月停止時候
function getLastMonthEndDate(){
var lastMonthEndDate = new Date(nowYear, lastMonth, getMonthDays(lastMonth));
return formatDate(lastMonthEndDate);
}
//獲得本季度的開端日期
function getQuarterStartDate(){
var quarterStartDate = new Date(nowYear, getQuarterStartMonth(), 1);
return formatDate(quarterStartDate);
}
//或的本季度的停止日期
function getQuarterEndDate(){
var quarterEndMonth = getQuarterStartMonth() + 2;
var quarterStartDate = new Date(nowYear, quarterEndMonth, getMonthDays(quarterEndMonth));
return formatDate(quarterStartDate);
} 相關文章
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