如何使用 moment.js 获取日期范围

Question

这是我的html页面

<tr ng-show="option == 'Yearly' || option == 'Date'">
            <td>
                <label>From:</label>
            </td>
            <td>
                <input type="text" ng-model="fromdate" id="from" date-picker date-type="from" month-directive />
                {{fromdate}}
            </td>

            <td>
                <label>To:</label>
            </td>
            <td>
                <input id="todate" type="text" ng-model="todate" date-picker date-type="to" month-directive />
                {{todate}}
            </td>

        </tr>

这是我的指令

app.directive('monthDirective', function () {

return {

    restrict:'A',
    link: function (scope, elem) {
        var fromDate, toDate;
        scope.$watch('fromdate', function (newValue, oldValue) {
            fromDate = newValue;
            console.log('fromDate', newValue);
        });
        scope.$watch('todate', function (newValue, oldValue) {
            todate = newValue;
            console.log('todate', newValue);
        });

        var range = moment().range(fromDate, toDate);
        var diff = moment.preciseDiff(fromDate,toDate);
        console.log('Range', range);
        console.log('diff', diff);
    }
}

})

我需要使用 mument.js 获取 fromdate 和 todate 之间的范围。任何人都可以建议如何在我的场景中执行此操作。提前致谢

Answer 1

要获取两个日期之间的其余日期，您可以参考此代码-

$scope.dateArr = []; //Array where rest of the dates will be stored

$scope.prevDate = moment().subtract(15, 'days');//15 days back date from today(This is the from date)

$scope.nextDate = moment().add(15, 'days');//Date after 15 days from today (This is the end date)

//extracting date from objects in MM-DD-YYYY format
$scope.prevDate = moment($scope.prevDate._d).format('MM-DD-YYYY');
$scope.nextDate = moment($scope.nextDate._d).format('MM-DD-YYYY');

//creating JS date objects
var start = new Date($scope.prevDate);
var end = new Date($scope.nextDate);

//Logic for getting rest of the dates between two dates("FromDate" to "EndDate")
while(start < end){
   $scope.dateArr.push(moment(start).format('ddd DD-MM'));
   var newDate = start.setDate(start.getDate() + 1);
   start = new Date(newDate);  
}

console.log('Dates:- ');
console.log($scope.dateArr);

这是控制台日志：-

[“周二 24-05”、“周三 25-05”、“周四 26-05”、“周五 27-05”、“周六 28-05”、“周日 29-05”、“周一 30-05”、“周二 31-05”、“周三 01-06”、“周四 02-06”、“周五 03-06”、“周六 04-06”、“周日 05-06”、“周一 06-06”、“周二 07-06”、“周三 08-06”、“周四 09-06”、“周五 10-06”、“周六 11-06”、“周日 12-06”、“周一 13-06”、“周二 14-06”、“周三 15-06”、“周四 16-06”、“周五 17-06”、“周六 18-06"、"Sun 19-06"、"Mon 20-06"、"Tue 21-06"、"Wed 22-06"]

Answer 2

我知道这是一个古老的/已回答的问题，但由于它位于谷歌的顶部，这里是如何实现只有 moment 的日期范围（并且没有 moment-range）：

import moment from 'moment'

/**
 * @param {date|moment} start The start date
 * @param {date|moment} end The end date
 * @param {string} type The range type. eg: 'days', 'hours' etc
 */
function getRange(startDate, endDate, type) {
  let fromDate = moment(startDate)
  let toDate = moment(endDate)
  let diff = toDate.diff(fromDate, type)
  let range = []
  for (let i = 0; i < diff; i++) {
    range.push(moment(startDate).add(i, type))
  }
  return range
}

返回两者之间的每个“类型”（月/日/小时等）的数组，不包括结束日期

例子：

let range = getRange('2019-01-01', '2019-01-05', 'days')
// moment dates -> [ '2019-01-01', '2019-01-02', '2019-01-03', '2019-01-04' ]

Answer 3

你可以做这样的事情来获得天数的差异：

var fromDate = moment();
var toDate = moment().add(15, 'days');

var range = moment().range(fromDate, toDate);
var diff = range.diff('days');

var array = range.toArray('days');
$.each(array, function(i, e) {
  $(".container").append("<li>" + moment(e).format("DD MM YYYY") + "</li>");
});

console.log('Range', range);
console.log('diff', diff);

编辑

我为toArray 函数添加了一个小例子：

https://jsfiddle.net/Tintin37/19n5ykzs/

Answer 4

const getDaysRange = (date1, date2) => {
  if (date1 && date2) {
    return Math.abs(moment(date2).diff(moment(date1), 'days')) + 1;
  }

  return undefined;
};

Answer 5

如果你想获得两个日期之间的连续天数：

1. 安装 MomentJS 和 MomentRange：npm i moment && npm i moment-range
2. 一些代码

const Moment = require("moment"), MomentRange = require("moment-range"), moment = MomentRange.extendMoment(Moment); /*add plugin to moment instance*/ let range = moment().range("2018-02-20", "2018-03-01"), /*can handle leap year*/ array = Array.from(range.by("days")); /*days, hours, years, etc.*/ array.map(m => { console.log(m.format("YYYY-MM-DD")); /*or any format you like*/ });