我正在Ruby on Rails中构建一个功能，允许用户记录，编辑和删除它们。我可以创建没有问题，编辑没有问题，但当我去删除我被重定向到该笔记页面，它不会被删除。
index.html.erb
SET NODE_ENV=productionsession_notes_controller.rb
<p id="notice"><%= notice %></p>
<h1>Session Notes</h1>
<table>
<thead>
<tr>
<th>Note</th>
<th>Session</th>
<th>Created at</th>
<th colspan="3"></th>
</tr>
</thead>
<tbody>
<% @session_notes.each do |session_note| %>
<tr>
<td><%= session_note.note %></td>
<td><%= session_note.session_id %></td>
<td><%= session_note.created_at %></td>
<td><%= link_to 'Show', session_note %></td>
<td><%= link_to 'Edit', edit_session_note_path(session_note) %></td>
<td><%= link_to 'Destroy', session_note, method: :delete, data: { confirm: 'Are you sure?' } %></td>
</tr>
<% end %>
</tbody>
</table>
<br>
的routes.rb
require 'pry'
class SessionNotesController < ApplicationController
before_action :logged_in_teacher, only: [:create, :destroy]
before_action :set_session_note, only: [:show, :edit, :update, :destroy]
# GET /session_notes
# GET /session_notes.json
def index
@session_notes = SessionNote.all
end
# GET /session_notes/1
# GET /session_notes/1.json
def show
end
def testfunc
end
# GET /session_notes/new
def new
@session_note = SessionNote.new
end
# GET /session_notes/1/edit
def edit
end
# POST /session_notes
# POST /session_notes.json
def create
@session_note = SessionNote.new(session_note_params)
respond_to do |format|
if @session_note.save
@session_note.new_record?
format.html { redirect_to @session_note, notice: 'Session note was
successfully created.' }
format.json { render :show, status: :created, location: @session_note }
else
format.html { render :new }
format.json { render json: @session_note.errors, status: :unprocessable_entity }
end
end
end
# PATCH/PUT /session_notes/1
# PATCH/PUT /session_notes/1.json
def update
respond_to do |format|
if @session_note.update(session_note_params)
format.html { redirect_to @session_note, notice: 'Session note was successfully updated.' }
format.json { render :show, status: :ok, location: @session_note }
else
format.html { render :edit }
format.json { render json: @session_note.errors, status: :unprocessable_entity }
end
end
end
# DELETE /session_notes/1
# DELETE /session_notes/1.json
def destroy
@session_note.destroy
binding.pry
respond_to do |format|
format.html { redirect_to session_notes_url, notice: 'Session note was successfully destroyed.' }
format.json { head :no_content }
end
end
private
# Use callbacks to share common setup or constraints between actions.
def set_session_note
@session_note = SessionNote.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def session_note_params
params.require(:session_note).permit(:note, :session_id, :created_at)
end
end
点击链接后的控制台
Rails.application.routes.draw do
root 'login_session#new'
get 'teachers/:id/pword' => 'teachers#pword'
get "teachers/:id/home", to: 'teachers#home'
resources :roster_students
resources :roster_squares
resources :session_notes
resources :session_events
resources :sessions
resources :squares
resources :students
resources :teachers
resources :schools
get '/report1', to: 'reports#report1'
# For details on the DSL available within this file, see
http://guides.rubyonrails.org/routing.html
get 'login' => 'login_session#new'
post 'login' => 'login_session#create'
get 'logout' => 'login_session#logout'
get 'about1' => 'static_pages#about1'
get 'about2' => 'static_pages#about2'
get 'home1' => 'static_pages#home1'
post 'home1' => 'static_pages#home1'
get '/super_report', to: 'teachers#super_report'
get '/admin', to: 'teachers#admin'
get '/super', to: 'schools#super'
get '/allSchools', to: 'schools#index'
end
的application.js
Started GET "/session_notes/7" for 192.160.165.63 at 2017-05-15 19:55:42 +0000
Cannot render console from 192.160.165.63! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255
ActiveRecord::SchemaMigration Load (0.3ms) SELECT "schema_migrations".* FROM "schema_migrations"
Processing by SessionNotesController#show as HTML
Parameters: {"id"=>"7"}
SessionNote Load (0.2ms) SELECT "session_notes".* FROM "session_notes" WHERE "session_notes"."id" = ? ORDER BY "session_notes"."created_at" DESC LIMIT ? [["id", 7], ["LIMIT", 1]]
Rendering session_notes/show.html.erb within layouts/application
Rendered session_notes/show.html.erb within layouts/application (5.7ms)
Teacher Load (0.2ms) SELECT "teachers".* FROM "teachers" WHERE "teachers"."id" = ? LIMIT ? [["id", 1], ["LIMIT", 1]]
Completed 200 OK in 367ms (Views: 325.0ms | ActiveRecord: 2.6ms)
Started GET "/fonts/fontawesome-webfont.woff2?v=4.7.0" for 192.160.165.63 at 2017-05-15 19:55:43 +0000
Cannot render console from 192.160.165.63! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255
ActionController::RoutingError (No route matches [GET] "/fonts/fontawesome-webfont.woff2"):
actionpack (5.0.3) lib/action_dispatch/middleware/debug_exceptions.rb:53:in `call'
web-console (3.5.1) lib/web_console/middleware.rb:135:in `call_app'
web-console (3.5.1) lib/web_console/middleware.rb:20:in `block in call'
web-console (3.5.1) lib/web_console/middleware.rb:18:in `catch'
web-console (3.5.1) lib/web_console/middleware.rb:18:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
railties (5.0.3) lib/rails/rack/logger.rb:36:in `call_app'
railties (5.0.3) lib/rails/rack/logger.rb:24:in `block in call'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:69:in `block in tagged'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:26:in `tagged'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:69:in `tagged'
railties (5.0.3) lib/rails/rack/logger.rb:24:in `call'
sprockets-rails (3.2.0) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/request_id.rb:24:in `call'
rack (2.0.2) lib/rack/method_override.rb:22:in `call'
rack (2.0.2) lib/rack/runtime.rb:22:in `call'
activesupport (5.0.3) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/executor.rb:12:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/static.rb:136:in `call'
rack (2.0.2) lib/rack/sendfile.rb:111:in `call'
railties (5.0.3) lib/rails/engine.rb:522:in `call'
puma (3.8.2) lib/puma/configuration.rb:224:in `call'
puma (3.8.2) lib/puma/server.rb:600:in `handle_request'
puma (3.8.2) lib/puma/server.rb:435:in `process_client'
puma (3.8.2) lib/puma/server.rb:299:in `block in run'
puma (3.8.2) lib/puma/thread_pool.rb:120:in `block in spawn_thread'
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb (1.1ms)
Rendered collection of /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/routes/_route.html.erb [87 times] (23.6ms)
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/routes/_table.html.erb (9.4ms)
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb (1.7ms)
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout (65.3ms)
Started GET "/fonts/fontawesome-webfont.woff?v=4.7.0" for 192.160.165.63 at 2017-05-15 19:55:43 +0000
Cannot render console from 192.160.165.63! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255
ActionController::RoutingError (No route matches [GET] "/fonts/fontawesome-webfont.woff"):
actionpack (5.0.3) lib/action_dispatch/middleware/debug_exceptions.rb:53:in `call'
web-console (3.5.1) lib/web_console/middleware.rb:135:in `call_app'
web-console (3.5.1) lib/web_console/middleware.rb:20:in `block in call'
web-console (3.5.1) lib/web_console/middleware.rb:18:in `catch'
web-console (3.5.1) lib/web_console/middleware.rb:18:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
railties (5.0.3) lib/rails/rack/logger.rb:36:in `call_app'
railties (5.0.3) lib/rails/rack/logger.rb:24:in `block in call'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:69:in `block in tagged'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:26:in `tagged'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:69:in `tagged'
railties (5.0.3) lib/rails/rack/logger.rb:24:in `call'
sprockets-rails (3.2.0) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/request_id.rb:24:in `call'
rack (2.0.2) lib/rack/method_override.rb:22:in `call'
rack (2.0.2) lib/rack/runtime.rb:22:in `call'
activesupport (5.0.3) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/executor.rb:12:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/static.rb:136:in `call'
rack (2.0.2) lib/rack/sendfile.rb:111:in `call'
railties (5.0.3) lib/rails/engine.rb:522:in `call'
puma (3.8.2) lib/puma/configuration.rb:224:in `call'
puma (3.8.2) lib/puma/server.rb:600:in `handle_request'
puma (3.8.2) lib/puma/server.rb:435:in `process_client'
puma (3.8.2) lib/puma/server.rb:299:in `block in run'
puma (3.8.2) lib/puma/thread_pool.rb:120:in `block in spawn_thread'
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb (1.2ms)
Rendered collection of /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/routes/_route.html.erb [87 times] (53.7ms)
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/routes/_table.html.erb (1.4ms)
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb (1.7ms)
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout (87.9ms)
Started GET "/fonts/fontawesome-webfont.ttf?v=4.7.0" for 192.160.165.63 at 2017-05-15 19:55:43 +0000
Cannot render console from 192.160.165.63! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255
ActionController::RoutingError (No route matches [GET] "/fonts/fontawesome-webfont.ttf"):
actionpack (5.0.3) lib/action_dispatch/middleware/debug_exceptions.rb:53:in `call'
web-console (3.5.1) lib/web_console/middleware.rb:135:in `call_app'
web-console (3.5.1) lib/web_console/middleware.rb:20:in `block in call'
web-console (3.5.1) lib/web_console/middleware.rb:18:in `catch'
web-console (3.5.1) lib/web_console/middleware.rb:18:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
railties (5.0.3) lib/rails/rack/logger.rb:36:in `call_app'
railties (5.0.3) lib/rails/rack/logger.rb:24:in `block in call'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:69:in `block in tagged'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:26:in `tagged'
activesupport (5.0.3) lib/active_support/tagged_logging.rb:69:in `tagged'
railties (5.0.3) lib/rails/rack/logger.rb:24:in `call'
sprockets-rails (3.2.0) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/request_id.rb:24:in `call'
rack (2.0.2) lib/rack/method_override.rb:22:in `call'
rack (2.0.2) lib/rack/runtime.rb:22:in `call'
activesupport (5.0.3) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/executor.rb:12:in `call'
actionpack (5.0.3) lib/action_dispatch/middleware/static.rb:136:in `call'
rack (2.0.2) lib/rack/sendfile.rb:111:in `call'
railties (5.0.3) lib/rails/engine.rb:522:in `call'
puma (3.8.2) lib/puma/configuration.rb:224:in `call'
puma (3.8.2) lib/puma/server.rb:600:in `handle_request'
puma (3.8.2) lib/puma/server.rb:435:in `process_client'
puma (3.8.2) lib/puma/server.rb:299:in `block in run'
puma (3.8.2) lib/puma/thread_pool.rb:120:in `block in spawn_thread'
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb (1.5ms)
Rendered collection of /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/routes/_route.html.erb [87 times] (28.1ms)
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/routes/_table.html.erb (1.4ms)
Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb (1.4ms)
Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.3/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout (63.0ms)
答案 0 :(得分：4)
不是从DELETE而是从GET传递请求，这表明在导入jquery-ujs之前存在Javascript问题，或者您的{{1 }}文件根本不会在给定页面上导入。
确保用于呈现该操作的布局文件具有application.js声明，并且页面的Javascript执行中没有错误。
答案 1 :(得分：-3)
index.html.erb
<td><%= link_to 'Destroy', session_note_path(session_note), method: :delete, data: { confirm: 'Are you sure?' } %></td>