Moment.js - 两天的天数差异 [英] Moment.js - two dates difference in number of days

问题描述

我在尝试查找两个日期之间的数字差异时得到的结果不正确：

I get incorrect results when trying to find numeric difference between two dates:

var startDate = moment( $('[name="date-start"]').val(), "DD.MM.YYYY"), // $('[name="date-start"]').val() === "13.04.2016"
endDate       = moment( $('[name="date-end"]'  ).val(), "DD.MM.YYYY"); // $('[name="date-end"]').val() === "28.04.2016"

var diff = startDate.diff(endDate);

console.log( moment(diff).format('E') );

13.04.2016 和<$ c之间$ c> 28.04.2016 我不应该 3 或 2 天......

Between 13.04.2016 and 28.04.2016 I shouldn't get that difference is 3 or 2 days...

我尝试了多种组合：

• swap startDate.diff（endDate） endDate.diff（startDate）


• format（'E'） 有一些东西我上来搜索SO

• swap startDate.diff(endDate) with endDate.diff(startDate)
• format('E') with something I've come up searching the SO

结果：我总是得到那个差异是3天或2天。

result: all the time I get that difference is 3 or 2 days.

我做错了什么？在此先感谢。

What am I doing wrong? Thanks in advance.

推荐答案

从时刻开始。 docs ： format（'E'）代表星期几。因此，您的差异计算在一周的哪一天，必须在1到7之间。

From the moment.js docs: format('E') stands for day of week. thus your diff is being computed on which day of the week, which has to be between 1 and 7.

从moment.js文档再次，这是他们的建议：

From the moment.js docs again, here is what they suggest:

var a = moment([2007, 0, 29]);
var b = moment([2007, 0, 28]);
a.diff(b, 'days') // 1

这是一个JSFiddle对于您的特定情况：

Here is a JSFiddle for your particular case:

$('#test').click(function() {
  var startDate = moment("13.04.2016", "DD.MM.YYYY");
  var endDate = moment("28.04.2016", "DD.MM.YYYY");

  var result = 'Diff: ' + endDate.diff(startDate, 'days');

  $('#result').html(result);
});

#test {
  width: 100px;
  height: 100px;
  background: #ffb;
  padding: 10px;
  border: 2px solid #999;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.12.0/moment.js"></script>

<div id='test'>Click Me!!!</div>
<div id='result'></div>

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