【发布时间】:2020-06-06 14:38:33
【问题描述】:
你好,我是 Rails 的新手
实际上投票工作正常,但在我刷新整个页面之前它不会更新数据
这是我投票时的错误
这是我的代码
routes.rb
resources :posts do
match :vote, via: [:post, :delete], on: :member
end
controller.rb
class PostsController < ApplicationController
before_action :set_post, only: [:show, :edit, :update, :destroy, :vote]
respond_to :js, :html, :json
def vote
@post = Post.find(params[:id])
if request.post?
@post.upvote_from current_user
elsif request.delete?
@post.downvote_from current_user
end
respond_to do |format|
format.html { redirect_to :back }
format.js
end
end
投票.js.erb
$("<%=j @post.id %>").html("<%=j render partial: "posts/vote", locals: { post: @post } %>");
_vote.html.erb
<% voted = current_user.voted_for? post %>
<% styling = voted ? "" : "un" %>
<% arrow = voted ? "up" : "down" %>
<% method = voted ? :delete : :post %>
<%= link_to vote_post_path(post), method: method, remote: true, class: '#
{styling}like_post', id: post.id do %>
<button type="button" class="btn btn-info" aria-label="Left Align">
<i class="fa fa-arrow-<%= arrow %>"></i>
<span class="badge vote_count"><%= post.get_upvotes.size %></span>
</button>
<% end %>
show.html.erb
<%= render partial: "vote", locals: { post: @post } %>
应用程序.js
//= require rails-ujs
//= require turbolinks
//= require_tree .
//= require jquery3
//= require popper
//= require bootstrap-sprockets
【问题讨论】:
标签: ruby-on-rails ajax gsub voting