Tag: ruby在路轨 5

Rails 5，未定义的方法`for'for＃<在devise_parameter_sanitizer.for上devise

我正在使用Rails 5 我在模型用户中添加了新的字段用户名。 class Users::RegistrationsController < Devise::RegistrationsController before_action :configure_permitted_parameters protected def configure_permitted_parameters devise_parameter_sanitizer.for(:sign_up).push(:username) end end 在注册过程中显示错误： 未定义的方法`for'for＃你的意思是？ 叉子 跟踪： NoMethodError（未定义的方法`for'for＃你的意思？fork）： app/controllers/users/registrations_controller.rb:7:in `configure_permitted_parameters' Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.0.rc1/lib/action_dispatch/middleware/templates/rescues/diagnostics.html.erb within rescues/layout Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.0.rc1/lib/action_dispatch/middleware/templates/rescues/_source.html.erb Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.0.rc1/lib/action_dispatch/middleware/templates/rescues/_source.html.erb (5.0ms) Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.0.rc1/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.0.rc1/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb (2.9ms) Rendering /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.0.rc1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.0.rc1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb (1.2ms) Rendered /usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-5.0.0.rc1/lib/action_dispatch/middleware/templates/rescues/diagnostics.html.erb within rescues/layout (118.1ms) 谁可以帮忙？ 如何解决这个问题？