如何计算“时间之前”在Java中？ [英] How to calculate "time ago" in Java?

问题描述

例如：在Ruby on Rails中，有一个功能允许您采取任何日期并打印出很久以前 p>

  8分钟前
 8小时前
 8天前
 8个月前
 8年前
  

在Java中有一个简单的方法吗？

解决方案

查看 PrettyTime < a>图书馆。

使用起来很简单：

  import org.ocpsoft.prettytime.PrettyTime; 
 
 PrettyTime p = new PrettyTime（）; 
 System.out.println（p.format（new Date（）））; 
 //打印之前
  

您还可以传入国际化邮件的区域设置：

  PrettyTime p = new PrettyTime（new Locale（fr））; 
 System.out.println（p.format（new Date（）））; 
 //打印àl'instant
  

如评论中所述，Android有此功能内置于 android.text.format.DateUtils 课程。

In Ruby on Rails, there is a feature that allows you to take any Date and print out how "long ago" it was.

For example:

8 minutes ago
8 hours ago
8 days ago
8 months ago
8 years ago

Is there an easy way to do this in Java?

解决方案

Take a look at the PrettyTime library.

It's quite simple to use:

import org.ocpsoft.prettytime.PrettyTime;

PrettyTime p = new PrettyTime();
System.out.println(p.format(new Date()));
// prints "moments ago"

You can also pass in a locale for internationalized messages:

PrettyTime p = new PrettyTime(new Locale("fr"));
System.out.println(p.format(new Date()));
// prints "à l'instant"

As noted in the comments, Android has this functionality built into the android.text.format.DateUtils class.

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