问将工作中的Rails表单转换为AJAX

EN

views/tools/index.html.erb -> views/tools/ping.html.erb

<h1> Tools </h1>

<h3> Ping </h3>

<%= form_tag ping_tool_path(1), method: "post", remote: true do %>
  <%= text_field_tag :ip, params[:ip] %>
  <%= submit_tag "Ping", name: nil %>
<% end %>

<!-- this is where I'd like to put the results via AJAX -->
<div id="output"></div>

class ToolsController < ApplicationController

  def index
    
  end

  def ping
    ping_host(params[:ip])
    save_host(params[:ip])

    # Adds based on recommendations
    respond_to do |format|
     format.html { redirect_to tools_path }
     format.js
    end
  end


  protected

    def ping_host(host)
      f = IO.popen("ping -c 3 #{host}")
      @output = f.readlines

      tool_type = "ping"
      tool = Tool.find_by(tool_type: tool_type)
      tool.increment(:tool_hit_count, by = 1)
      tool.save

      @results = "<pre>#{@output.join}</pre>".html_safe
    end

    def save_host(host)
      host = Host.find_or_create_by(host_ip: host)
      host.increment(:host_hitcount, by = 1)
      host.save
    end
end

<%= @results %>

$("#output").html("<%= @results %>");

Rails.application.routes.draw do
  root 'tools#index'

  resources :tools do
    member do
      post 'ping'
    end
  end
end