Ruby DateTime格式：如何获得1st，2nd，3rd，4th？

First of all, it doesn't seem that the DateTime format variables are documented anywhere so a +1 to anyone who can show this to me in rubydocs. Second of all, when looking at the Date.strftime function code, I don't see anything that can let me do something like:

首先,看起来DateTime格式变量似乎没有在任何地方记录,因此对于任何可以在rubydocs中向我显示的人来说都是+1。第二,在查看Date.strftime函数代码时,我没有看到任何可以让我做类似的事情:

Thursday, September 9th 2010

2010年9月9日星期四

Does anyone know if this is possible?

有谁知道这是否可能?

2 个解决方案

#1

You might want to take a look here.

你可能想看看这里。

To summarize

time = DateTime.now
time.strftime("%A, %B #{time.day.ordinalize} %Y")

Note that you are running in plain Ruby (2.0) you'll need to call:

请注意,您运行的是纯Ruby(2.0),您需要调用:

require 'active_support/core_ext/integer/inflections'

#2

-1

You can found all means %xx in Time documentation

您可以在Time文档中找到所有均值%xx

http://ruby-doc.org/core/classes/Time.html#M000298

So you just need made

所以你只需要制作

date.strftime('%A, %B %d %Y')

#1