如何使自定义表单提交到devise中的user_session_path [英] How to make a custom form submit to the user_session_path in devise

问题描述

我正在尝试使用devise进行自定义表单登录。
这是我的代码

I am trying to make a custom form login using devise. This is the code I have

<h2>login</h2>

<%= form_for(:user, :url => user_session_path) do |f| %>

  <div class="field">
    <%= f.label :email %><br />
    <%= f.email_field :email, autofocus: true %>
  </div>

  <div class="field">
    <%= f.label :password %>
    <% if @minimum_password_length %>
    <em>(<%= @minimum_password_length %> characters minimum)</em>
    <% end %><br />
    <%= f.password_field :password, autocomplete: "off" %>
  </div>

  <div class="actions">
    <%= f.submit "Login" %>
  </div>
<% end %>

<%= render "devise/shared/links" %>

我在devise的帮助下生成了用户模型。
我收到以下错误

I generated the user model with the help of devise. I am getting the following error

undefined local variable or method `resource_name' for #<#<Class:0x007f8e54d29468>:0x007f8e49dd7500>
<%= link_to "Log in", new_session_path(resource_name) %><br />

这是我遵循的源码
将设计sign_in表单转换成Twitter Bootstrap Modal

推荐答案

参考：
https://github.com/plataformatec/devise/wiki/How-To:-Display-a-custom-sign_in-form-anywhere-in-你的-app

如果您在application_helper.rb中设置了以下内容 -

If you have set up the followings in your application_helper.rb -

helper_method :resource_name, :resource, :devise_mapping
def resource_name
 :user
end

def resource
 @resource ||= User.new
end

def devise_mapping
 @devise_mapping ||= Devise.mappings[:user]
end

然后，您应该可以执行以下操作 -

Then you should be able to do the following -

form_for(resource, :as => resource_name)

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