在 Ruby on Rails 中循环对象属性 [英] Loop over Object attributes in Ruby on Rails

问题描述

是否可以在 Rails 中遍历对象的属性?我有一个对象，而不是在视图中编码每个属性，我想在视图中输出每个属性，因为有很多.

我有一个名为 @work_profile 的对象，它有很多属性，主要是布尔复选框值.

我知道我可以使用 @work_profile.attributes.任何有关将哈希格式化为对用户更友好的内容的帮助都会很棒.

解决方案

ActiveRecord::Base.attributes() 方法返回所有属性的哈希值.您可以使用它来遍历所有属性.

@work_profile.attributes.each do |attr_name, attr_value|...结尾

在一个视图中，这将给出:

<% @work_profile.attributes.each do |attr_name, attr_value|％＞<div class="work_profile_attribute"><%= attr_name %>:<%= attr_value %>

<%结束%>

Is it possible to loop over an object's attributes in Rails? I have an object and rather than code up each attribute in the view, I want to output each of them in the view as there are quite a few.

I have an object called @work_profile which has many attributes, mainly boolean check box values.

Edit: I see I can use @work_profile.attributes. Any help on formatting the hash into something more user friendly would be great.

解决方案

The ActiveRecord::Base.attributes() method returns a hash of all the attributes. You can use that to loop over all attributes.

@work_profile.attributes.each do |attr_name, attr_value|
  ...
end

In a view, this would give:

<% @work_profile.attributes.each do |attr_name, attr_value| %>
  <div class="work_profile_attribute">
    <%= attr_name %>: <%= attr_value %>
  </div>
<% end %>

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