在Rails 4中,哪个gem最适合进行身份验证?我试着使用devise,但我对它有问题。deprecated_mass_assignment_security.rb:14:in `attr_accessible': `attr_accessible` is extracted out of Rails into a gem/devise/mapping.rb:77:in `to'
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class SessionsController < Devise::SessionsController def new respond_with resource, :location => after_sign_in_path_for(resource)endGiven /^a user &quo