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问题描述

我想使用joda库解析一个DateTime(在scala中,应该和java一样)。

I want to parse a DateTime using the joda library (in scala, but should be the same with java).

源代码看起来像

val dateParser = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss z")
val date = dateParser.parseDateTime("2012-08-28 15:35:00 CEST")

在Java中,这看起来像

In Java this would look like

DateTimeFormatter dateParser = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss z");
DateTime date = dateParser.parseDateTime("2012-08-28 15:35:00 CEST");

不幸的是,这不起作用,但抛出一个例外:

Unfortunately this doesn't work but throws an exception:

java.lang.IllegalArgumentException: Invalid format: "2012-08-28 15:35:00 CEST" is malformed at "CEST"

为什么这不工作?当然,我可以忽略CEST部分,只是解析其余部分,但在输入CEST中有时候可以替换为CET,所以我不想忽略它。

Why doesn't this work? Of course I could ignore the "CEST" part and just parse the rest, but in the input "CEST" can be replaced by "CET" sometimes, so I don't want to ignore it.

推荐答案

问题是因为 CEST 是一个不是唯一的短区域名称。请参阅

The issue is because CEST is a short zone name that is not unique. See the detailed discussion from DateTimeFormatter Bug parsing with general time zones in US Locale?

您可以使用最新版本从。

You can use the latest version from github that should contain a fix, see this commit.

您应该可以使用 DateTimeFormatterBuilder#appendTimeZoneShortName 添加 CEST 作为美国/芝加哥的别名,或您想如何解释 CEST

You should be able to use DateTimeFormatterBuilder#appendTimeZoneShortName to add CEST as an alias for "America/Chicago" or to how you would like to interpret CEST.

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09-17 22:30