如何在Rails5中的类似/不同按钮上使用RailsAjax

我已经完成了喜欢/不喜欢的功能。但是我想在这个函数上使用ajax。我下一步该怎么办?

 def new
   @like = Like.new like_params
 end

 def create
   @user = current_user.id
   @comment = params[:comment_id]
   like_params = {user_id: @user, comment_id: @comment}

   @like = Like.new like_params
   if @like.save
     redirect_to song_path @song
   else
     render "new"
   end
 end

 def destroy
   @like.destroy
   redirect_to song_path @song
 end

结束

和视图:songs/show.html.erb

  <h3>Comments:</h3>
  <%= render "comments/comment" %>

    <% if user_signed_in? && current_user.likes?(comment) %>
      <% like = comment.likes.find_by comment_id: comment.id, user_id: current_user.id %>
      <%= link_to song_comment_like_path(@song, comment, like), method: :delete do %>
        Unlike
      <% end %>
    <% else %>
      <%= link_to song_comment_likes_path(@song, comment), method: :post do %>
        Like
      <% end %>
    <% end %>

我的路由器:

resources :songs do
  resources :comments do
    resources :likes
  end
end