Ruby on Rails-从参数构建时间

Question

I've this following params: 我有以下参数：

 {"utf8"=>"✓",
 "authenticity_token"=>"sPoWmnLU984Py9BEIe8MgEVo8tqPsSdLznFZ0dITXAw=",
 "event"=>{"title"=>"",
 "description"=>"",
 "day"=>"2013-11-21",
 "start(1i)"=>"2013",
 "start(2i)"=>"11",
 "start(3i)"=>"25",
 "start(4i)"=>"07",
 "start(5i)"=>"00",
 "end(1i)"=>"2013",
 "end(2i)"=>"11",
 "end(3i)"=>"25",
 "end(4i)"=>"07",
 "end(5i)"=>"00",
 "day_id"=>"day"},
 "commit"=>"Event erstellen"}

and my controller: 和我的控制器：

start  = "#{params[:event][:start(4i)]}:#{params[:event][:start(5i)]}"

I want only the times attributes from the parameters, so that at the end i have something like this: 我只想从参数中获取times属性，以便最后我可以看到以下内容：

07:00

Answer 1

If "start" is a DateTime attribute of the model, you could simply use the strftime method of the dateTime. 如果“ start”是模型的DateTime属性，则可以简单地使用dateTime的strftime方法。 Something like start.strftime("%H:%M") 类似于start.strftime（“％H：％M”）

Ruby on Rails-从参数构建时间

问题描述

1 个解决方案

解决方案1
0 2013-11-25 08:08:42

Ruby on Rails-从参数构建时间

问题描述

1 个解决方案

解决方案1 0 2013-11-25 08:08:42

解决方案1
0 2013-11-25 08:08:42