用Ruby显示一天中每个小时的最简单方法

我有一个日历屏幕，我想在其中显示一天中的小时数，如下所示：

12:00am

1:00am

2:00am

..

4:00pm

5:00pm

etc.

array = ['12:00am'] + (1..11).map {|h| "#{h}:00am"} + ['12:00pm'] + (1..11).map {|h| "#{h}:00pm"}

---

作为一个十足的Ruby noob，我想知道是否有人能帮我找出最简单的方式来显示它。

您可以这样生成：

12:00am

1:00am

2:00am

..

4:00pm

5:00pm

etc.

array = ['12:00am'] + (1..11).map {|h| "#{h}:00am"} + ['12:00pm'] + (1..11).map {|h| "#{h}:00pm"}

或者简单地写出数组（这样更有效）：

然后你可以随心所欲地打印这些

array.each do |el|
    puts el
end

或者使用实际的

DateTime

对象和

%I:%M%p

作为：

将打印：

"12:00AM"
"01:00AM"
"02:00AM"
"03:00AM"
"04:00AM"
"05:00AM"
"06:00AM"
"07:00AM"
"08:00AM"
"09:00AM"
"10:00AM"
"11:00AM"
"12:00PM"
"01:00PM"
"02:00PM"
"03:00PM"
"04:00PM"
"05:00PM"
"06:00PM"
"07:00PM"
"08:00PM"
"09:00PM"
"10:00PM"
"11:00PM"

"12:00AM"
"01:00AM"
"02:00AM"
"03:00AM"
"04:00AM"
"05:00AM"
"06:00AM"
"07:00AM"
"08:00AM"
"09:00AM"
"10:00AM"
"11:00AM"
"12:00PM"
"01:00PM"
"02:00PM"
"03:00PM"
"04:00PM"
"05:00PM"
"06:00PM"
"07:00PM"
"08:00PM"
"09:00PM"
"10:00PM"
"11:00PM"