Rails 4-设计：在注册时获取ActionController :: UnknownFormat [英] Rails 4 - Devise: getting ActionController::UnknownFormat on signup

问题描述

我有一个Rails 4.2.3应用程序，其中使用Devise进行用户身份验证。我以Bootstrap模式显示我的注册表单。我已经实现了类似于： https://github.com/plataformatec/devise/wiki/操作方法：-Display-a-custom-sign_in-form-anywhere-in-your-app 。在注册时，我不断收到此错误：

I have a Rails 4.2.3 app where I use Devise for user authentication. I present my signup form in a Bootstrap modal. I have implemented it similar to: https://github.com/plataformatec/devise/wiki/How-To:-Display-a-custom-sign_in-form-anywhere-in-your-app. On signup I keep getting this error:

Completed 406 Not Acceptable in 512033ms (ActiveRecord: 5.8ms)
ActionController::UnknownFormat (ActionController::UnknownFormat)

我不知道如何解决它。

And I'm not sur how to fix it.

我在会话和注册中使用自定义控制器。我的路线目前看起来像这样：

I use custom controllers for sessions and registrations. My routes currently looks like this:

devise_for :users, :controllers => {sessions: "users/sessions", registrations: "users/registrations"}

get 'users/show', to: "users#show"
get 'users', to: "users#index"

我的新用户表单如下所示-这部分呈现为以Bootstrap模式显示：

My new user form looks like this - this gets rendered in a partial that is presented in a Bootstrap modal:

= form_for(resource, as: resource_name, url:  user_registration_path(resource_name)) do |f|
  = devise_error_messages!
  .form-group
    = f.label :name
    = f.text_field :name, autofocus: true, class: "form-control"
  .form-group
    = f.label :email
    = f.email_field :email, class: "form-control"

  .form-group
    = f.label :password
    - if @minimum_password_length
      %em
        (#{@minimum_password_length} characters minimum)
    = f.password_field :password, autocomplete: "off", class: "form-control"

  .form-group
    = f.submit "Sign up", class: "btn btn-default"

- if current_page?(new_user_registration_path)
  = render "devise/shared/links" 

应用在我的中崩溃用户：: RegistrationController< Devise :: RegistrationsController create 方法：

# POST /resource
def create
  # byebug
  super
end

浏览器中的网址如下（看起来可疑！）：

And the url in the browser is the following (looks suspicious!):

http://localhost:3000/users.user

我尝试添加：

respond_to :json, :html

在我的 Users :: RegistrationsController的顶部< Devise :: RegistrationsController ，但这没有帮助。

At the top of my Users::RegistrationsController < Devise::RegistrationsController, but that didn't help.

注意

运行gem 再见错误后该应用似乎以这种方式崩溃：

After running the gem bye bugthe app seems to crash in this method:

# The path used after sign up.
def after_sign_up_path_for(resource)
  byebug
  session[:previous_url] || root_path # crashes here
end

session [：previous_url] 返回 / apps / 1 / edit

关于我的想法在这里还是其他地方做错了？

Any ideas on what I'm doing wrong here, or anywhere else?

边注
我同时还在努力解决另一个设计问题（它们可能是相关的）。我在这里还有另一个问题：第4条-设计，访客用户导致过滤器链停止

推荐答案

只需更改以下形式：

= form_for(resource, as: resource_name, url: user_registration_path) do |f|

user_registration_path 不需要其他参数，然后将 resource_name 传递给它，在您的情况下，它等于 user 。它被解释为格式，因此您将获得 http：// localhost：3000 / users.user （ user 在这种情况下被设置为格式。）

user_registration_path does not requires an additional parameter, and you pass the resource_name to it, which is equal to user in your case. It gets interpreted as the format, and therefore you get url like http://localhost:3000/users.user (user is set as a format in this case).

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