Ruby on Rails implementation of Bootstrap Breadcrumb
# app/controllers/posts_controller.rb
class PostsController < ApplicationController
...
def show
@breadcrumbs = [
{content: "Posts", href: posts_path},
{content: @post.to_s},
]
end
...
end<!-- app/views/shared/_breadcrumbs.html.erb -->
<% if @breadcrumbs.present? %>
<nav aria-label="breadcrumb">
<ol class="breadcrumb">
<% @breadcrumbs.each do |breadcrumb| %>
<% if breadcrumb == @breadcrumbs.last %>
<li class="breadcrumb-item active" aria-current="page">
<%= breadcrumb.fetch(:content) %>
</li>
<% else %>
<li class="breadcrumb-item">
<%= link_to breadcrumb.fetch(:content), breadcrumb[:href] %>
</li>
<% end %>
<% end %>
</ol>
</nav>
<% end %><!-- app/views/layouts/application.html.erb -->
<body>
<%= render "shared/breadcrumbs" %>
<%= yield %>
</body># app/models/post.rb
# id
# title
# body
# author_id
class Post < ApplicationRecord
def to_s
"#{title} #{author.name}"
end
end