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ruby-on-rails – rails 4强参数ForbiddenAttributesError

发布时间：2020-12-17 02:39:43 所属栏目：百科 来源：网络整理
导读：我似乎无法找到问题所在. 在我的Admin :: CompetitionsController ApplicationController我做的 def create respond_to do |format| if @competition.save(competition_params) format.html { flash[:success] = 'Success!' redirect_to competition_path }
我似乎无法找到问题所在.
在我的Admin :: CompetitionsController< ApplicationController我做的 

def create
      respond_to do |format|
          if @competition.save(competition_params)
              format.html {
                  flash[:success] =  'Success!'
                  redirect_to competition_path
              }
          else
              format.html {
                  render :action => 'edit'
              }
          end
      end
  end
def competition_params
    params.require(:competition).permit(:name,:date,:sex,:category,:country_id,:description,:article,:result)
end

我的迁移看起来像这样：

create_table :competitions do |t|
      t.string :name
      t.date :date
      t.integer :sex
      t.integer :category
      t.integer :country_id
      t.string :article
      t.string :result
      t.string :description
    end

这是我的形式：

<%= form_for [:admin,@competition],:html => {:class => "form"} do |f| %>
    <div class="form-group">
      <%= f.label :name %>
      <%= f.text_field :name,:class => 'form-control' %>
    </div>

    <div class="form-group">
      <%= f.label :date %>
      <%= f.date_select :date,:class => 'form-control' %>
    </div>

    <div class="form-group">
      <%= f.label "Gender" %>
      <%= f.select "sex",options_for_select(@sex),:class => 'form-control' %>

      <%= f.label :category %>
      <%= f.select "category",options_for_select(@category),:class => 'form-control' %>
    </div>
    <div class="form-group">
      <%= f.select :country_id,Country.all.collect { |country| [country.name,country.id] },{ :prompt => "Select Country" } %>
    </div>

    <div class="form-group">
      <%= f.label :description %>
      <%= f.text_area :description,:class => 'form-control',:rows=>5 %>
    </div>


    <div class="form-group">
      <%= f.label :article %>
      <%= f.text_field :article,:class => 'form-control' %>
    </div>
    <div class="form-group">
      <%= f.label :result %>
      <%= f.text_field :result,:class => 'form-control' %>
    </div>



    <%= f.submit :class=>'btn btn-primary'  %>
<% end %>

我得到的请求参数：

{"utf8"=>"?","authenticity_token"=>"hFayDADwjR0ZfhKZfnHKbzJntwDrzHiZ/3H61LcJsEA=","competition"=>{"name"=>"","date(1i)"=>"2013","date(2i)"=>"11","date(3i)"=>"22","sex"=>"1","category"=>"1","country_id"=>"","description"=>"","article"=>"","result"=>""},"commit"=>"Create Competition"}

每次我得到ActiveModel :: ForbiddenAttributesError.我尝试允许不同的参数但没有成功.我不知道该怎么办了.

完整的错误页面：

ActiveModel::ForbiddenAttributesError in Admin::CompetitionsController#create
ActiveModel::ForbiddenAttributesError

Rails.root: /home/linux/RubymineProjects/Tabor

Application Trace | Framework Trace | Full Trace
activemodel (4.0.0) lib/active_model/forbidden_attributes_protection.rb:21:in `sanitize_for_mass_assignment'
activerecord (4.0.0) lib/active_record/attribute_assignment.rb:21:in `assign_attributes'
activerecord (4.0.0) lib/active_record/core.rb:192:in `initialize'
activerecord (4.0.0) lib/active_record/inheritance.rb:27:in `new'
activerecord (4.0.0) lib/active_record/inheritance.rb:27:in `new'
cancan (1.6.10) lib/cancan/controller_resource.rb:85:in `build_resource'
cancan (1.6.10) lib/cancan/controller_resource.rb:66:in `load_resource_instance'
cancan (1.6.10) lib/cancan/controller_resource.rb:32:in `load_resource'
cancan (1.6.10) lib/cancan/controller_resource.rb:25:in `load_and_authorize_resource'
cancan (1.6.10) lib/cancan/controller_resource.rb:10:in `block in add_before_filter'
activesupport (4.0.0) lib/active_support/callbacks.rb:447:in `_run__2070627161148806707__process_action__callbacks'
activesupport (4.0.0) lib/active_support/callbacks.rb:80:in `run_callbacks'
actionpack (4.0.0) lib/abstract_controller/callbacks.rb:17:in `process_action'
actionpack (4.0.0) lib/action_controller/metal/rescue.rb:29:in `process_action'
actionpack (4.0.0) lib/action_controller/metal/instrumentation.rb:31:in `block in process_action'
activesupport (4.0.0) lib/active_support/notifications.rb:159:in `block in instrument'
activesupport (4.0.0) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activesupport (4.0.0) lib/active_support/notifications.rb:159:in `instrument'
actionpack (4.0.0) lib/action_controller/metal/instrumentation.rb:30:in `process_action'
actionpack (4.0.0) lib/action_controller/metal/params_wrapper.rb:245:in `process_action'
activerecord (4.0.0) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (4.0.0) lib/abstract_controller/base.rb:136:in `process'
actionpack (4.0.0) lib/abstract_controller/rendering.rb:44:in `process'
actionpack (4.0.0) lib/action_controller/metal.rb:195:in `dispatch'
actionpack (4.0.0) lib/action_controller/metal/rack_delegation.rb:13:in `dispatch'
actionpack (4.0.0) lib/action_controller/metal.rb:231:in `block in action'
actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:80:in `call'
actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:80:in `dispatch'
actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:48:in `call'
actionpack (4.0.0) lib/action_dispatch/journey/router.rb:71:in `block in call'
actionpack (4.0.0) lib/action_dispatch/journey/router.rb:59:in `each'
actionpack (4.0.0) lib/action_dispatch/journey/router.rb:59:in `call'
actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:655:in `call'
warden (1.2.3) lib/warden/manager.rb:35:in `block in call'
warden (1.2.3) lib/warden/manager.rb:34:in `catch'
warden (1.2.3) lib/warden/manager.rb:34:in `call'
rack (1.5.2) lib/rack/etag.rb:23:in `call'
rack (1.5.2) lib/rack/conditionalget.rb:35:in `call'
rack (1.5.2) lib/rack/head.rb:11:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/params_parser.rb:27:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/flash.rb:241:in `call'
rack (1.5.2) lib/rack/session/abstract/id.rb:225:in `context'
rack (1.5.2) lib/rack/session/abstract/id.rb:220:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/cookies.rb:486:in `call'
activerecord (4.0.0) lib/active_record/query_cache.rb:36:in `call'
activerecord (4.0.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:626:in `call'
activerecord (4.0.0) lib/active_record/migration.rb:369:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
activesupport (4.0.0) lib/active_support/callbacks.rb:373:in `_run__3850854791608649842__call__callbacks'
activesupport (4.0.0) lib/active_support/callbacks.rb:80:in `run_callbacks'
actionpack (4.0.0) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/reloader.rb:64:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/remote_ip.rb:76:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
railties (4.0.0) lib/rails/rack/logger.rb:38:in `call_app'
railties (4.0.0) lib/rails/rack/logger.rb:21:in `block in call'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:67:in `block in tagged'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:25:in `tagged'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:67:in `tagged'
railties (4.0.0) lib/rails/rack/logger.rb:21:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/request_id.rb:21:in `call'
rack (1.5.2) lib/rack/methodoverride.rb:21:in `call'
rack (1.5.2) lib/rack/runtime.rb:17:in `call'
activesupport (4.0.0) lib/active_support/cache/strategy/local_cache.rb:83:in `call'
rack (1.5.2) lib/rack/lock.rb:17:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/static.rb:64:in `call'
railties (4.0.0) lib/rails/engine.rb:511:in `call'
railties (4.0.0) lib/rails/application.rb:97:in `call'
rack (1.5.2) lib/rack/lock.rb:17:in `call'
rack (1.5.2) lib/rack/content_length.rb:14:in `call'
rack (1.5.2) lib/rack/handler/webrick.rb:60:in `service'
/home/linux/.rvm/rubies/ruby-2.1.0-preview1/lib/ruby/2.1.0/webrick/httpserver.rb:138:in `service'
/home/linux/.rvm/rubies/ruby-2.1.0-preview1/lib/ruby/2.1.0/webrick/httpserver.rb:94:in `run'
/home/linux/.rvm/rubies/ruby-2.1.0-preview1/lib/ruby/2.1.0/webrick/server.rb:295:in `block in start_thread'
Request

Parameters:

{"utf8"=>"?","authenticity_token"=>"N8DJKWtnMtunizyY4oGBuGNiL9UNIc63sM2PHWxpXtY=","commit"=>"Create Competition"}

Toggle session dump
_csrf_token: "N8DJKWtnMtunizyY4oGBuGNiL9UNIc63sM2PHWxpXtY="
session_id: "116666f7d0e5494da6a99d481c7e8cc8"
warden.user.user.key: [[1],"$2a$10$oe41UVUa5llNALpv5gIeXu"]

Toggle env dump
GATEWAY_INTERFACE: "CGI/1.1"
HTTP_ACCEPT: "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"
HTTP_ACCEPT_ENCODING: "gzip,deflate,sdch"
HTTP_ACCEPT_LANGUAGE: "sl-SI,sl;q=0.8,en-GB;q=0.6,en;q=0.4"
REMOTE_ADDR: "127.0.0.1"
REMOTE_HOST: "127.0.0.1"
SERVER_NAME: "0.0.0.0"
SERVER_PROTOCOL: "HTTP/1.1"

解决方法

尝试更改白名单以处理多部分日期参数： 

def competition_params
  params.require(:competition).permit(:name,:"date(1i)",:"date(2i)",:"date(3i)",:result)
end

此外,此代码看起来不太正确：

if @competition.save(competition_params)

假设您已经为@competition分配了一个竞赛实例 – 您应该使用update_attributes：

if @competition.update_attributes(competition_params)

否则,首先分配它：

@competition = Competition.new(competition_params)
if @competition.save

（编辑：李大同）

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