Question

我查看了整个堆栈溢出，我找不到我需要的答案。我收到以下错误：未初始化的常量UsersController

users_controller.rb
class UsersController < ApplicationController
    def show
        @user = User.find( params[:id] )
    end
end

show.html.erb

请帮忙。

未初始化的常量UsersController

Rails.root：/ home / ubuntu / workspace

应用程序跟踪|框架跟踪|完整追踪路由

路线优先从上到下匹配

Helper  HTTP Verb   Path    Controller#Action
Path / Url          
new_user_session_path   GET /users/sign_in(.:format)    devise/sessions#new
user_session_path   POST    /users/sign_in(.:format)    devise/sessions#create
destroy_user_session_path   DELETE  /users/sign_out(.:format)   devise/sessions#destroy
user_password_path  POST    /users/password(.:format)   devise/passwords#create
new_user_password_path  GET /users/password/new(.:format)   devise/passwords#new
edit_user_password_path GET /users/password/edit(.:format)  devise/passwords#edit
PATCH   /users/password(.:format)   devise/passwords#update
PUT /users/password(.:format)   devise/passwords#update
cancel_user_registration_path   GET /users/cancel(.:format) users/registrations#cancel
user_registration_path  POST    /users(.:format)    users/registrations#create
new_user_registration_path  GET /users/sign_up(.:format)    users/registrations#new
edit_user_registration_path GET /users/edit(.:format)   users/registrations#edit
PATCH   /users(.:format)    users/registrations#update
PUT /users(.:format)    users/registrations#update
DELETE  /users(.:format)    users/registrations#destroy
user_profile_path   POST    /users/:user_id/profile(.:format)   profiles#create
new_user_profile_path   GET /users/:user_id/profile/new(.:format)   profiles#new
edit_user_profile_path  GET /users/:user_id/profile/edit(.:format)  profiles#edit
GET /users/:user_id/profile(.:format)   profiles#show
PATCH   /users/:user_id/profile(.:format)   profiles#update
PUT /users/:user_id/profile(.:format)   profiles#update
DELETE  /users/:user_id/profile(.:format)   profiles#destroy
users_path  GET /users(.:format)    users#index
POST    /users(.:format)    users#create
new_user_path   GET /users/new(.:format)    users#new
edit_user_path  GET /users/:id/edit(.:format)   users#edit
user_path   GET /users/:id(.:format)    users#show
PATCH   /users/:id(.:format)    users#update
PUT /users/:id(.:format)    users#update
DELETE  /users/:id(.:format)    users#destroy
contacts_path   GET /contacts(.:format) contacts#index
POST    /contacts(.:format) contacts#create
new_contact_path    GET /contacts/new(.:format) contacts#new
edit_contact_path   GET /contacts/:id/edit(.:format)    contacts#edit
contact_path    GET /contacts/:id(.:format) contacts#show
PATCH   /contacts/:id(.:format) contacts#update
PUT /contacts/:id(.:format) contacts#update
DELETE  /contacts/:id(.:format) contacts#destroy
about_path  GET /about(.:format)    pages#about
root_path   GET /   pages#home

请求

参数：

{ “ID”=＆gt; “中5”} 切换会话转储切换env转储响应

接头：

无

这是我收到的唯一错误消息：路由错误 uninitialized constant UsersController

    activesupport (4.2.1) lib/active_support/inflector/methods.rb:261:in `const_get'
activesupport (4.2.1) lib/active_support/inflector/methods.rb:261:in `block in constantize'
activesupport (4.2.1) lib/active_support/inflector/methods.rb:259:in `each'
activesupport (4.2.1) lib/active_support/inflector/methods.rb:259:in `inject'
activesupport (4.2.1) lib/active_support/inflector/methods.rb:259:in `constantize'
actionpack (4.2.1) lib/action_dispatch/routing/route_set.rb:70:in `controller_reference'
actionpack (4.2.1) lib/action_dispatch/routing/route_set.rb:60:in `controller'
actionpack (4.2.1) lib/action_dispatch/routing/route_set.rb:39:in `serve'
actionpack (4.2.1) lib/action_dispatch/journey/router.rb:43:in `block in serve'
actionpack (4.2.1) lib/action_dispatch/journey/router.rb:30:in `each'
actionpack (4.2.1) lib/action_dispatch/journey/router.rb:30:in `serve'
actionpack (4.2.1) lib/action_dispatch/routing/route_set.rb:819:in `call'
warden (1.2.3) lib/warden/manager.rb:35:in `block in call'
warden (1.2.3) lib/warden/manager.rb:34:in `catch'
warden (1.2.3) lib/warden/manager.rb:34:in `call'
rack (1.6.4) lib/rack/etag.rb:24:in `call'
rack (1.6.4) lib/rack/conditionalget.rb:25:in `call'
rack (1.6.4) lib/rack/head.rb:13:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/params_parser.rb:27:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/flash.rb:260:in `call'
rack (1.6.4) lib/rack/session/abstract/id.rb:225:in `context'
rack (1.6.4) lib/rack/session/abstract/id.rb:220:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/cookies.rb:560:in `call'
activerecord (4.2.1) lib/active_record/query_cache.rb:36:in `call'
activerecord (4.2.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:649:in `call'
activerecord (4.2.1) lib/active_record/migration.rb:378:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
activesupport (4.2.1) lib/active_support/callbacks.rb:88:in `call'
activesupport (4.2.1) lib/active_support/callbacks.rb:88:in `_run_callbacks'
activesupport (4.2.1) lib/active_support/callbacks.rb:776:in `_run_call_callbacks'
activesupport (4.2.1) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (4.2.1) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/reloader.rb:73:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/remote_ip.rb:78:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
railties (4.2.1) lib/rails/rack/logger.rb:38:in `call_app'
railties (4.2.1) lib/rails/rack/logger.rb:20:in `block in call'
activesupport (4.2.1) lib/active_support/tagged_logging.rb:68:in `block in tagged'
activesupport (4.2.1) lib/active_support/tagged_logging.rb:26:in `tagged'
activesupport (4.2.1) lib/active_support/tagged_logging.rb:68:in `tagged'
railties (4.2.1) lib/rails/rack/logger.rb:20:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/request_id.rb:21:in `call'
rack (1.6.4) lib/rack/methodoverride.rb:22:in `call'
rack (1.6.4) lib/rack/runtime.rb:18:in `call'
activesupport (4.2.1) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
rack (1.6.4) lib/rack/lock.rb:17:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/static.rb:113:in `call'
rack (1.6.4) lib/rack/sendfile.rb:113:in `call'
railties (4.2.1) lib/rails/engine.rb:518:in `call'
railties (4.2.1) lib/rails/application.rb:164:in `call'
rack (1.6.4) lib/rack/lock.rb:17:in `call'
rack (1.6.4) lib/rack/content_length.rb:15:in `call'
rack (1.6.4) lib/rack/handler/webrick.rb:88:in `service'
/usr/local/rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/httpserver.rb:138:in `service'
/usr/local/rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/httpserver.rb:94:in `run'
/usr/local/rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/server.rb:294:in `block in start_thread'

Answer 1

从

更改你的文件名

users_controllers.rb

到

users_controller.rb

Rails使用文件名在您的应用中查找控制器。

Rails路由错误：未初始化的常量UsersController

1 个答案: