Moment.js格式化矩对象并保持偏移量

问题描述：

我有一个momentjs对象，该对象持有带有偏移量的日期时间.此刻对象是通过其字符串表示形式创建的:

I have a momentjs object that hold a datetime with an offset. This moment object was created from its string representation:

var x = moment("2017-02-08T04:11:52+6:00")

使用该对象之后，我想从该时刻对象获得相同的文本表示形式.

After working with the object, I would like to get the same textual representation from the moment object.

尝试格式化对象时得到以下结果:

I get the following results when trying to format the object:

x.format() => "2017-02-08T04:11:52+14:00"
moment.parseZone(x).format("YYYY-MM-DDTHH:mm:ssZ") => "2017-02-07T14:11:52+00:00"

x.format() => "2017-02-08T04:11:52+14:00"
moment.parseZone(x).format("YYYY-MM-DDTHH:mm:ssZ") => "2017-02-07T14:11:52+00:00"

如何格式化我的矩对象，使我再次具有完全相同的表示形式?

How can I format my moment object such that I have the exact same representation again?

答

几件事:

您的输入是非标准的，因为您已将偏移量指定为+6:00. ISO8601格式在小时和分钟偏移量中都需要两位数字. (应该为+06:00.对于此答案的其余部分，我认为这是一个错字.)

Your input is nonstandard because you've specified the offset as +6:00. The ISO8601 format requires two digits in both hours and minutes offset. (It shouold be +06:00. For the rest of this answer, I'll assume that's a typo.)

创建时刻时，您将丢失原始偏移，因为您正在通过调用moment(...)调整到本地时区.因此，它在x中不存在，至少不是以您可以检索它的方式.

You're losing the original offset when you create the moment, because you are adjusting to the local time zone by calling moment(...). Therefore it doesn't exist in x, at least not in a way you can retrieve it.

通常，应将parseZone传递给字符串，而不是Moment对象.

In general, parseZone should be passed a string, not a Moment object.

您当然可以按照要求设置格式，只要您首先正确解析即可.您甚至不需要指定格式字符串，因为您要查找的是默认格式.

You certainly can format as you asked, as long as you have parsed correctly to begin with. You don't even need to specify a format string, as the one you're looking for is the default.

var str1 = "2017-02-08T04:11:52+06:00";
var mom = moment.parseZone(str1);
var str2 = mom.format();  // "2017-02-08T04:11:52+06:00"

Moment.js格式化矩对象并保持偏移量

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