Rails 3 - 使用复选框删除多条记录 [英] Rails 3 - Delete Multiple Records Using Checkboxes

问题描述

如何使用 Rails 3 中的复选框删除多条记录?

How do you delete multiple records using checkboxes in Rails 3?

推荐答案

routes.rb:

  resources :blog_posts do
    collection do
      delete 'destroy_multiple'
    end
  end

index.html.erb:

index.html.erb:

<%= form_tag destroy_multiple_blog_posts_path, method: :delete do %>
<table>
...
<td><%= check_box_tag "blog_posts[]", blog_post.id %></td>
...
</table>
<%= submit_tag "Delete selected" %>
<% end %>

blog_posts_controller.rb:

blog_posts_controller.rb:

def destroy_multiple

  BlogPost.destroy(params[:blog_posts])

  respond_to do |format|
    format.html { redirect_to blog_posts_path }
    format.json { head :no_content }
  end

end

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