如何在rails中的active_admin中添加操作

# app/controllers/admin/custom_actions_controller.rb
class Admin::CustomActionsController < Admin::ApplicationController
  def delete_selected
    selected_ids = params[:ids].split(',')
    resource_class.where(id: selected_ids).destroy_all
    redirect_to admin_resource_path, notice: "Selected items were successfully deleted."
  end
end

# app/admin/your_model.rb
ActiveAdmin.register YourModel do
  actions :all, except: [:destroy]

  batch_action :delete_selected do |ids|
    redirect_to admin_custom_actions_path(ids: ids.join(','))
  end
end

# config/routes.rb
namespace :admin do
  resources :custom_actions, only: [] do
    collection do
      post 'delete_selected'
    end
  end
end