Joda时间类没有任何构造函数...为什么？我做错了什么？ [英] Joda Time classes don't have any constructors... why? And what am I doing wrong?

问题描述

显然，Eclipse上的Scala试图说服我 DateTime ， Period ， DateMidnight 和许多其他类在Joda时间没有任何构造函数

这是奇怪的考虑到事实，他们的文档显示一个构造函数和方法数量

我可以访问的只有静态方法，如 DateTime.now（） DateTime.parse（）

请注意，我已经添加了 joda-time-2.2 .jar ， joda-time-2.2-sources.jar 和 joda-time-2.2-javadoc.jar 文件到项目的java构建路径...

然而每当我尝试做一个实例 DateTime Eclipse会告诉我 org.joda.time.DateTime没有构造函数

<任何人都有任何想法，为什么我得到这个错误？

解决方案

看来你需要添加 joda-convert 到您的类路径。从此处获得的答案。

如果您不使用Maven或Sbt，您可以从其Maven Central页面手动下载该jar 。所有你需要做的是将它添加到你的项目构建路径。

Apparently Scala on Eclipse tries to convince me that DateTime, Period, DateMidnight and many other classes in Joda Time don't have any constructors

Which is odd considering the fact that the documentation for them shows a constructor and a number of methods

The only things I have access to are the static methods such as DateTime.now() and DateTime.parse()

Note that I have added the joda-time-2.2.jar, joda-time-2.2-sources.jar, and joda-time-2.2-javadoc.jar files to the java build path of the project...

and yet whenever I try to make an instance of say DateTime Eclipse will tell me org.joda.time.DateTime does not have a constructor

So anyone got any idea why I get this error? And more importantly, how do I fix it?

解决方案

It seems you need to add joda-convert to your classpath. Answer taken from here.

If you're not using Maven or Sbt, you can manually download the jar from its Maven Central page. All you need to do is add it to your project build path.

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