【发布时间】：2021-02-23 09:10:48
【问题描述】：
我熟悉 ROR，我想在我的项目中使用新的 Hotwire-Rails。我创建帖子时不好。但是当我更新/删除帖子时，页面上什么也没发生。你能告诉我我在哪里做错了吗？ 最后我想在创建新帖子时发出声音我该怎么做？ 谢谢你的回答。
我的“宝石文件”
gem 'redis', '~> 4.0'
gem 'hotwire-rails', '~> 0.1.3'
应用程序.js
require("@rails/ujs").start()
require("@rails/activestorage").start()
require("channels")
Application.html.erb
<body>
<%= turbo_include_tags %>
<%= yield %>
</body>
Post.rb
after_create_commit { broadcast_prepend_to "posts" }
after_update_commit { broadcast_replace_to "posts" }
after_destroy_commit { broadcast_remove_to "posts" }
posts_controller.rb
class PostsController < ApplicationController
before_action :set_post, only: %i[ show edit update destroy ]
# GET /posts or /posts.json
def index
@posts = Post.all
end
# GET /posts/1 or /posts/1.json
def show
end
# GET /posts/new
def new
@post = Post.new
end
# GET /posts/1/edit
def edit
end
# POST /posts or /posts.json
def create
@post = Post.new(post_params)
respond_to do |format|
if @post.save
format.html { redirect_to @post, notice: "Post was successfully created." }
format.json { render :show, status: :created, location: @post }
else
format.html { render :new, status: :unprocessable_entity }
format.json { render json: @post.errors, status: :unprocessable_entity }
end
end
end
# PATCH/PUT /posts/1 or /posts/1.json
def update
respond_to do |format|
if @post.update(post_params)
format.html { redirect_to @post, notice: "Post was successfully updated." }
format.json { render :show, status: :ok, location: @post }
else
format.html { render :edit, status: :unprocessable_entity }
format.json { render json: @post.errors, status: :unprocessable_entity }
end
end
end
# DELETE /posts/1 or /posts/1.json
def destroy
@post.destroy
respond_to do |format|
format.html { redirect_to posts_url, notice: "Post was successfully destroyed." }
format.json { head :no_content }
end
end
private
# Use callbacks to share common setup or constraints between actions.
def set_post
@post = Post.find(params[:id])
end
# Only allow a list of trusted parameters through.
def post_params
params.require(:post).permit(:title, :body)
end
end
posts/index.html.erb
<%= turbo_stream_from "posts" %>
<%= turbo_frame_tag "posts" do %>
<%= render @posts %>
<% end %>
posts/_post.html.erb
<%= post.title %>:
<%= post.body %>
<%= link_to 'Edit', edit_post_path(post) %> |
<%= link_to 'Destroy', post, method: :delete, data: { confirm: 'Are you sure?' } %> <br>
【问题讨论】：
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Change_post.html.erb to : |
标签： ruby-on-rails rubygems streaming ruby-on-rails-6 hotwire-rails