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我无法使“accep_nested_attributes_for:people” 正常工作。目标是让用户(在我的应用程序中称为“人员”)能够在注册时建立姓氏。家庭与人分离。我已经阅读了很多堆栈溢出帖子,但没有一个解决方案似乎工作。出现此错误的重复主题是忘记将:people_attributes添加到attr_accessible。我相信我已经做对了。我可能会忘记控制器中的某些东西。带有嵌套属性的质量分配错误

我有一个家庭一个一对多的关系,人

这里是我的相关代码:

系列型号:

class Family < ActiveRecord::Base 
    attr_accessible :name, :people_attributes 

    has_many :adventures 
    has_many :people 

    accepts_nested_attributes_for :people 

end 

角色模型

class Person < ActiveRecord::Base 
    attr_accessible :age, :first_name, :last_name, :nickname, :family_id, :password, :password_confirmation 

    belongs_to :family 
    has_many :reviews 


    has_secure_password 
end 

家庭观

<%= form_for(@family) do |f| %> 
<% if @family.errors.any? %> 
    <div id="error_explanation"> 
    <h2><%= pluralize(@family.errors.count, "error") %> prohibited this family from being saved:</h2> 

    <ul> 
    <% @family.errors.full_messages.each do |msg| %> 
     <li><%= msg %></li> 
     <% end %> 
     </ul> 
    </div> 
    <% end %> 

<table> 
<tr> 
     <td class="form-cell"><%= f.label :name %></td> 
     <td class="form-cell"><%= f.text_field :name %></td> 
</tr> 
    <tr> 
     <td class="form-cell"><%= f.fields_for :person do |ts| %></td> 
     <td class="form-cell"><%= ts.label :first_name %></td> 
     <td class="form-cell"><%= ts.text_field :first_name %></td> 
     </tr> 
     <tr> 
     <td class="form-cell"><%= ts.label :last_name %></td> 
     <td class="form-cell"><%= ts.text_field :last_name %></td> 
     </tr> 
     <tr> 
     <td class="form-cell"><%= ts.label :age %></td> 
     <td class="form-cell"><%= ts.text_field :age %></td> 
     </tr> 
     <tr> 
     <td class="form-cell"><%= ts.label :nickname %></td> 
     <td class="form-cell"><%= ts.text_field :nickname %></td> 
     </tr> 
     <tr> 
     <td class="form-cell"><%= ts.label :password %></td> 
     <td class="form-cell"><%= ts.password_field :password %></td> 
    </tr> 
    <tr> 
     <td class="form-cell"><%= ts.label :password_confirmation %></td> 
     <td class="form-cell"><%= ts.password_field :password_confirmation %></td> 
    </tr> 
<% end %> 
<%= f.submit %> 

下面是我的完整曲线从我的开发日志

activemodel (3.2.12) lib/active_model/mass_assignment_security/sanitizer.rb:48:in `process_removed_attributes' 
    activemodel (3.2.12) lib/active_model/mass_assignment_security/sanitizer.rb:20:in `debug_protected_attribute_removal' 
    activemodel (3.2.12) lib/active_model/mass_assignment_security/sanitizer.rb:12:in `sanitize' 
    activemodel (3.2.12) lib/active_model/mass_assignment_security.rb:230:in `sanitize_for_mass_assignment' 
    activerecord (3.2.12) lib/active_record/attribute_assignment.rb:75:in `assign_attributes' 
    activerecord (3.2.12) lib/active_record/base.rb:497:in `initialize' 
    app/controllers/families_controller.rb:43:in `new' 
    app/controllers/families_controller.rb:43:in `create' 
    actionpack (3.2.12) lib/action_controller/metal/implicit_render.rb:4:in `send_action' 
    actionpack (3.2.12) lib/abstract_controller/base.rb:167:in `process_action' 
    actionpack (3.2.12) lib/action_controller/metal/rendering.rb:10:in `process_action' 
    actionpack (3.2.12) lib/abstract_controller/callbacks.rb:18:in `block in process_action' 
    activesupport (3.2.12) lib/active_support/callbacks.rb:414:in `_run__4160186070491300860__process_action__2492885545127699891__callbacks' 
    activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `__run_callback' 
    activesupport (3.2.12) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks' 
    activesupport (3.2.12) lib/active_support/callbacks.rb:81:in `run_callbacks' 
    actionpack (3.2.12) lib/abstract_controller/callbacks.rb:17:in `process_action' 
    actionpack (3.2.12) lib/action_controller/metal/rescue.rb:29:in `process_action' 
    actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action' 
    activesupport (3.2.12) lib/active_support/notifications.rb:123:in `block in instrument' 
    activesupport (3.2.12) lib/active_support/notifications/instrumenter.rb:20:in `instrument' 
    activesupport (3.2.12) lib/active_support/notifications.rb:123:in `instrument' 
    actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:29:in `process_action' 
    actionpack (3.2.12) lib/action_controller/metal/params_wrapper.rb:207:in `process_action' 
    activerecord (3.2.12) lib/active_record/railties/controller_runtime.rb:18:in `process_action' 
    actionpack (3.2.12) lib/abstract_controller/base.rb:121:in `process' 
    actionpack (3.2.12) lib/abstract_controller/rendering.rb:45:in `process' 
    actionpack (3.2.12) lib/action_controller/metal.rb:203:in `dispatch' 
    actionpack (3.2.12) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch' 
    actionpack (3.2.12) lib/action_controller/metal.rb:246:in `block in action' 
    actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:73:in `call' 
    actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:73:in `dispatch' 
    actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:36:in `call' 
    journey (1.0.4) lib/journey/router.rb:68:in `block in call' 
    journey (1.0.4) lib/journey/router.rb:56:in `each' 
    journey (1.0.4) lib/journey/router.rb:56:in `call' 
    actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:601:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call' 
    rack (1.4.5) lib/rack/etag.rb:23:in `call' 
    rack (1.4.5) lib/rack/conditionalget.rb:35:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/head.rb:14:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/params_parser.rb:21:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/flash.rb:242:in `call' 
    rack (1.4.5) lib/rack/session/abstract/id.rb:210:in `context' 
    rack (1.4.5) lib/rack/session/abstract/id.rb:205:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/cookies.rb:341:in `call' 
    activerecord (3.2.12) lib/active_record/query_cache.rb:64:in `call' 
    activerecord (3.2.12) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' 
    activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `_run__555282021550517493__call__927558071375684288__callbacks' 
    activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `__run_callback' 
    activesupport (3.2.12) lib/active_support/callbacks.rb:385:in `_run_call_callbacks' 
    activesupport (3.2.12) lib/active_support/callbacks.rb:81:in `run_callbacks' 
    actionpack (3.2.12) lib/action_dispatch/middleware/callbacks.rb:27:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/reloader.rb:65:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/remote_ip.rb:31:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' 
    railties (3.2.12) lib/rails/rack/logger.rb:32:in `call_app' 
    railties (3.2.12) lib/rails/rack/logger.rb:16:in `block in call' 
    activesupport (3.2.12) lib/active_support/tagged_logging.rb:22:in `tagged' 
    railties (3.2.12) lib/rails/rack/logger.rb:16:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/request_id.rb:22:in `call' 
    rack (1.4.5) lib/rack/methodoverride.rb:21:in `call' 
    rack (1.4.5) lib/rack/runtime.rb:17:in `call' 
    activesupport (3.2.12) lib/active_support/cache/strategy/local_cache.rb:72:in `call' 
    rack (1.4.5) lib/rack/lock.rb:15:in `call' 
    actionpack (3.2.12) lib/action_dispatch/middleware/static.rb:62:in `call' 
    railties (3.2.12) lib/rails/engine.rb:479:in `call' 
    railties (3.2.12) lib/rails/application.rb:223:in `call' 
    rack (1.4.5) lib/rack/content_length.rb:14:in `call' 
    railties (3.2.12) lib/rails/rack/log_tailer.rb:17:in `call' 
    rack (1.4.5) lib/rack/handler/webrick.rb:59:in `service' 
    /Users/mikeland/.rvm/rubies/ruby-1.9.3-p362/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service' 
    /Users/mikeland/.rvm/rubies/ruby-1.9.3-p362/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run' 
    /Users/mikeland/.rvm/rubies/ruby-1.9.3-p362/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread' 
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张贴从您的development.log文件错误的完整堆栈跟踪请 – jamesc 2013-03-09 22:17:44

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刚刚发布,感谢JamesW – lando2319 2013-03-09 22:26:03

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@Robin刚刚发布了正确的答案。 – jamesc 2013-03-09 22:35:34

回答

3

accepts_nested_attributes_for另一个主题是人写的:

<%= f.fields_for :person do |ts| %> 

代替

<%= f.fields_for :people do |ts| %> 

如果您传:personfields_for,那么轨道将要寻找person_attributes

你需要在控制器中建立一个人:@family.people.build。与创建新的@家庭记录以显示表单一样,您需要构建属于该家庭的人员记录以显示嵌套部分。

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当我改变 <%= f.fields_for:person do | ts | %> 至 <%= f.fields_for:people do | ts | %> 它导致我窗体的嵌套部分完全消失。 – lando2319 2013-03-09 22:37:20

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这是因为你没有正确建立关联。你做过了吗? '@ family.people.build' – Robin 2013-03-09 23:12:49

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工作非常感谢。顺便说一句 - 我创建了一个Git Repo作为创建带有嵌套属性的Rails窗体的例子。 https://github.com/lando2319/example_of_rails_form_with_nested_attributes – lando2319 2013-03-10 03:21:46