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两部分 Rails 布局

发布于 2024-08-19 02:31:43 字数 169 浏览 4 评论 0原文

我的网页由两部分组成，比如说顶部和底部（页眉和页脚除外——这些部分在页面之间是一致的）。根据操作动态生成这些部分的最佳实践是什么？

我想出的一种方法是顶部视图和底部部分视图；在布局中，顶部调用yield，底部调用renderpartial。部分的名称根据操作动态替换。

不确定这是最好的方法。

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一影成城 2024-08-26 02:31:43

我觉得你的想法很好。在你看来你可以这样做：

<%- content_for :top do -%>
  […]
<%- end -%>

<%- content_for :bottom do -%>
  <%= render @partial_name %>
<%- end -%>

当然你应该检查部分是否存在并提供一些默认行为。但我想你还是意识到了这一点。

然后在你的布局中：

<div id="top">
  <%= yield :top %>
</div>

<div id="bottom">
  <%= yield :bottom %>
</div>

I think your idea is fine. In your views you could do:

<%- content_for :top do -%>
  […]
<%- end -%>

<%- content_for :bottom do -%>
  <%= render @partial_name %>
<%- end -%>

Of course you should check whether the partial exist and provide some default behavior. But I think you're aware of that anyway.

And then in your layout:

<div id="top">
  <%= yield :top %>
</div>

<div id="bottom">
  <%= yield :bottom %>
</div>

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卖梦商人 2024-08-26 02:31:43

这是我过去使用过的视图 DSL 的一个非常简化的版本。对我们来说效果很好。实际上，我们参数化了辅助方法，这样我们就可以从许多布局部分中进行动态选择（使页面具有侧边栏、多列等）。

# app/views/shared/_screen.erb
<div id="screen">
  <div class="screen_header">
 <%= yield :screen_header %>
  </div>
  <div class="screen_body">
 <%= yield :screen_body
  </div>
  <div class="bottom">
    <%= yield :footer %>
  </div>
</div>

# app/helpers/screen_helper.rb
module ScreenHelper

 def screen(&block)
  yield block
  concat(render :partial => 'shared/screen')
 end

 def screen_header
   content_for :screen_header do
   yield
  end
 end

 def screen_body
  content_for :screen_body do
   yield
  end
 end

 def footer
  content_for :footer do
   yield
  end
 end
end

# app/views/layouts/application.erb
# only showing the body tag
<body>
  <%= yield :layout
<body>

# Example of a page
# any of the sections below (except screen) may be used or omitted as needed.
# app/views/users/index.html.erb
<% screen do %>
  <% screen_header do %>
  Add all html and/or partial renders for the header here.
  <%end%>
  <% screen_body do %>
    Add all html and/or partial renders for the main content here.
  <% end %>
  <% footer do %>
 Add all the html and/or partial renders for the footer content here.
  <% end %>
<% end %>

Here is a very simplified version of a view DSL I've used in the past. Worked well for us. In reality we parameterized the the helper methods so we could choose from many layout partials on the fly (to have pages with sidebars, multiple columns, etc).

# app/views/shared/_screen.erb
<div id="screen">
  <div class="screen_header">
 <%= yield :screen_header %>
  </div>
  <div class="screen_body">
 <%= yield :screen_body
  </div>
  <div class="bottom">
    <%= yield :footer %>
  </div>
</div>

# app/helpers/screen_helper.rb
module ScreenHelper

 def screen(&block)
  yield block
  concat(render :partial => 'shared/screen')
 end

 def screen_header
   content_for :screen_header do
   yield
  end
 end

 def screen_body
  content_for :screen_body do
   yield
  end
 end

 def footer
  content_for :footer do
   yield
  end
 end
end

# app/views/layouts/application.erb
# only showing the body tag
<body>
  <%= yield :layout
<body>

# Example of a page
# any of the sections below (except screen) may be used or omitted as needed.
# app/views/users/index.html.erb
<% screen do %>
  <% screen_header do %>
  Add all html and/or partial renders for the header here.
  <%end%>
  <% screen_body do %>
    Add all html and/or partial renders for the main content here.
  <% end %>
  <% footer do %>
 Add all the html and/or partial renders for the footer content here.
  <% end %>
<% end %>

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