未定义局部变量或方法“rolify”

Question

在我的Rails项目中，我试图使用以下Gems设置用户身份验证和用户角色：

• 设计，设计
• 坎坎
• 罗林

我的设计和工作都很完美，但是当我去设置CanCan和Rolify时，我在浏览器中得到了这个错误：

NameError in Home#index

Showing C:/Sites/JustManage/app/views/devise/menu/_registration_items.html.erb where line #1 raised:

undefined local variable or method `rolify' for #<Class:0x3f48660>
Extracted source (around line #1):

1: <% if user_signed_in? %>
2: 
3:   <li>
4:      <%= link_to('Edit registration', edit_user_registration_path) %>
Trace of template inclusion: app/views/layouts/application.html.erb

Rails.root: C:/Sites/JustManage

user.rb

class User < ActiveRecord::Base
  rolify

  # Include default devise modules. Others available are:
  # :token_authenticatable, :confirmable,
  # :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable

  # Setup accessible (or protected) attributes for your model
  attr_accessible :email, :password, :password_confirmation, :remember_me, :subdomain, :first_name, :last_name

  # Make sure certain attributes are unique
  validates_uniqueness_of :email, :case_sensitive => false
end

role.rb

class Role < ActiveRecord::Base
  has_and_belongs_to_many :users, :join_table => :users_roles
  belongs_to :resource, :polymorphic => true

  scopify
end

rolify.rb

Rolify.configure do |config|
  config.use_dynamic_shortcuts
end

让我知道，如果你需要我张贴内容从我的任何其他文件！

Answer 1

我也有过同样的问题。重新启动我的服务器修好了！

“有疑问的时候，请滚！”

Answer 2

假设您安装并随后正确地要求rolify宝石是否安全？

请验证运行gem list时是否列出了rolify，并在user.rb文件的顶部添加了require 'rolify'。