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ruby-on-rails - 路由错误 : uninitialized constant Sessions

转载 作者:太空宇宙 更新时间:2023-11-03 17:56:58 25 4
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我正在关注 this Ruby Railcasts episode进行一些简单的身份验证,当我导航到登录页面时,我收到错误 uninitialized constant Sessions。我已经检查了我的类(class)并且名称是正确的,这似乎是大多数人报告的问题。知道这里会发生什么吗?

我的 Controller 文件的名字是sessions_controller.rb,代码如下:

class SessionsController < ApplicationController
def new
end

def create
user = User.authenticate(params[:email], params[:password])
if user
session[:user_id] = user.id
redirect_to root_url, :notice => 'Logged In!'
else
flash.now.alert = 'Invalid email or password'
render 'new'
end
end

def destroy
session[:user_id] = nil
redirect_to root_url, :notice => 'Logged Out!'
end
end

routes.rb 文件:

Albumtracker::Application.routes.draw do
get "login" => "sessions/new", :as => "login"
get "logout" => "sessions/destroy", :as => "logout"

get "signup" => "users/new", :as => "sign_up"

root :to => 'users#new'

resources :users
resources :sessions

get "pages/index"
end

session /新 View 文件:

<h1>Log in</h1>

<%= form_tag sessions_path do %>
<p>
<%= label_tag :email %><br />
<%= text_field_tag :email, params[:email] %>
</p>
<p>
<%= label_tag :password %><br />
<%= password_field_tag :password %>
</p>
<p class="button"><%= submit_tag "Log in" %></p>
<% end %>

最佳答案

您的路线有拼写错误。 /在指定controller和action时应该是#。您的路线应如下所示:

get "login" => "sessions#new", :as => "login"
get "logout" => "sessions#destroy", :as => "logout"

get "signup" => "users#new", :as => "sign_up"

当您在路由中使用 / 时,前面的部分与命名空间相匹配。因此,从 "sessions/new" 开始,路由器试图找到一个名为 Sessions::NewController 的 Controller 。由于命名空间 Sessions 在您的应用中不存在,因此您会收到未初始化的常量错误。

关于ruby-on-rails - 路由错误 : uninitialized constant Sessions,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11680401/

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