获取今天，昨天，本周，上周，本月，上月时间（实例分享）

话不多说，请看代码：

//获取今天
var nowDate= new Date(); //当天日期
console.log(nowDate);
//今天是本周的第几天
var nowDayOfWeek= nowDate.getDay();
console.log(nowDayOfWeek);
//当前日
var nowDay = nowDate.getDate();
console.log(nowDay);
//当前月
var nowMonth = nowDate.getMonth();
console.log(nowMonth);
//当前年
var nowYear = nowDate.getFullYear();
console.log(nowYear);
//var nowHours = nowDate.getHours();
//var nowMinutes = nowDate.getMinutes();
//var nowSeconds = nowDate.getSeconds();
nowYear += (nowYear < 2000) ? 1900 : 0; //
console.log(nowYear);
var lastMonthDate = new Date(); //上月日期
console.log(lastMonthDate);
lastMonthDate.setDate(1);
console.log(lastMonthDate.setDate(1));
lastMonthDate.setMonth(lastMonthDate.getMonth()-1);
console.log(lastMonthDate.setMonth(lastMonthDate.getMonth()-1));
var lastYear = lastMonthDate.getYear();
console.log(lastYear);
var lastMonth = lastMonthDate.getMonth();
console.log(lastMonth);
//格式化日期：yyyy-MM-dd
function formatDate(date) {
 var myyear = date.getFullYear();
 var mymonth = date.getMonth()+1;
 var myweekday = date.getDate();
 //var myHours = date.getHours();
 //var myMinutes = date.getMinutes();
 //var mySeconds = date.getSeconds();
 if(mymonth < 10){
 mymonth = "0" + mymonth;
 }
 if(myweekday < 10){
 myweekday = "0" + myweekday;
 }
 //if(myHours < 10){
 // myHours = "0" + myHours;
 //}
 //if(myMinutes < 10){
 // myMinutes = "0" + myMinutes;
 //}
 return (myyear+"/"+mymonth + "/" + myweekday);
 //return (myyear+"/"+mymonth + "/" + myweekday + " " + myHours+ ":" + myMinutes);
}
//获得某月的天数
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;
}
////获得本季度的开始月份
//function getQuarterStartMonth(){
// var quarterStartMonth = 0;
// if(nowMonth<3){
// quarterStartMonth = 0;
// }
// if(2<6){
// quarterStartMonth = 3;
// }
// if(5<9){
// quarterStartMonth = 6;
// }
// if(nowMonth>8){
// quarterStartMonth = 9;
// }
// return quarterStartMonth;
//}
//今天
$scope.toDay = function(){
 var getCurrentDate = new Date();
 var getCurrentDate = formatDate(getCurrentDate);
 $scope.today = getCurrentDate;
 console.log($scope.today);
 $("#jqueryPickerTime3").val($scope.today);
 $("#jqueryPickerTime4").val($scope.today);
};
//昨天
$scope.yesTerDay = function(){
 var getYesterdayDate = new Date(nowYear, nowMonth, nowDay - 1);
 var getYesterdayDate = formatDate(getYesterdayDate);
 $scope.yesTday = getYesterdayDate;
 console.log(getYesterdayDate);
 $("#jqueryPickerTime3").val($scope.yesTday);
 $("#jqueryPickerTime4").val($scope.yesTday);
};
//获得本周的开始日期
$scope.thisWeek = function(){
 var getWeekStartDate = new Date(nowYear, nowMonth, nowDay - nowDayOfWeek);
 var getWeekStartDate = formatDate(getWeekStartDate);
 $scope.tswkStart = getWeekStartDate;
 console.log($scope.tswkStart);
 $("#jqueryPickerTime3").val($scope.tswkStart);
 //获得本周的结束日期
 var getWeekEndDate = new Date(nowYear, nowMonth, nowDay + (6 - nowDayOfWeek));
 var getWeekEndDate = formatDate(getWeekEndDate);
 $scope.tswkEnd = getWeekEndDate;
 console.log($scope.tswkEnd);
 $("#jqueryPickerTime4").val($scope.tswkEnd);
};
$scope.lastWeek = function(){
 //获得上周的开始日期
 var getUpWeekStartDate = new Date(nowYear, nowMonth, nowDay - nowDayOfWeek -7);
 var getUpWeekStartDate = formatDate(getUpWeekStartDate);
 $scope.startLastWeek = getUpWeekStartDate;
 console.log($scope.startLastWeek);
 $("#jqueryPickerTime3").val($scope.startLastWeek);
 //获得上周的结束日期
 var getUpWeekEndDate = new Date(nowYear, nowMonth, nowDay + (6 - nowDayOfWeek - 7));
 var getUpWeekEndDate = formatDate(getUpWeekEndDate);
 $scope.endLastWeek = getUpWeekEndDate;
 console.log($scope.endLastWeek);
 $("#jqueryPickerTime4").val($scope.endLastWeek);
};
//本月
$scope.thisMonth = function(){
 //获得本月的开始日期
 var getMonthStartDate = new Date(nowYear, nowMonth, 1);
 var getMonthStartDate = formatDate(getMonthStartDate);
 $scope.startThisMonth = getMonthStartDate;
 console.log($scope.startThisMonth);
 $("#jqueryPickerTime3").val($scope.startThisMonth);
 //获得本月的结束日期
 var getMonthEndDate = new Date(nowYear, nowMonth, getMonthDays(nowMonth));
 var getMonthEndDate = formatDate(getMonthEndDate);
 $scope.endThisMonth = getMonthEndDate;
 console.log($scope.endThisMonth);
 $("#jqueryPickerTime4").val($scope.endThisMonth);
};
//上月
$scope.lastMonth = function(){
 //获得上月开始时间
 var getLastMonthStartDate = new Date(nowYear, lastMonth+1, 1);
 var getLastMonthStartDate = formatDate(getLastMonthStartDate);
 $scope.startLastMonth = getLastMonthStartDate;
 console.log($scope.startLastMonth);
 $("#jqueryPickerTime3").val($scope.startLastMonth);
 //获得上月结束时间
 var getLastMonthEndDate = new Date(nowYear, lastMonth+1, getMonthDays(lastMonth+1));
 var getLastMonthEndDate = formatDate(getLastMonthEndDate);
 $scope.endLastMonth = getLastMonthEndDate;
 console.log($scope.endLastMonth);
 $("#jqueryPickerTime4").val($scope.endThisMonth);
};

以上就是本文的全部内容，希望本文的内容对大家的学习或者工作能带来一定的帮助，同时也希望多多支持！

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获取今天，昨天，本周，上周，本月，上月时间（实例分享）

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