表单值未通过复选框Rails 4提交

时间：2015-06-18 16:37:27

标签： ruby-on-rails forms ruby-on-rails-4 checkbox

我有许多复选框，这些复选框基于每个用户的角色，具有多对多的关系。但是当我尝试提供这些角色时，它似乎没有得到保存，尽管表单没有返回任何错误。当我在控制台中尝试它时，User.find(1).role_ids = 3它会被保存并在网页上查看时返回复选框。 我是Rails的新手，我需要一点帮助来解决这个问题。

我的.html.erb 

<%= form_for(:user, url: {action: 'update', id: @user.id}) do |f| %>
<tr>
    <% for role in Role.all %>
    <td><%= check_box "user[role_ids][]", role.id, @user.roles.include?(role) %></td><td></td><td></td><td></td><td></td><td></td><td></td>
    <% end %>
</tr>

我的controller.rb 

    def edit 
        @user = User.find(params[:id])
      end
    def update
    @user = User.find(params[:id])
    if @user.update_attributes(user_params)
      flash[:notice] = "Role assigned successfully" 
      redirect_to(:action => 'show', :id => @user.id)
    else
      render('edit')
    end
  end

我的日志文件：

Started GET "/users/edit/11" for ::1 at 2015-06-18 23:42:49 +0530
  [1m[36mActiveRecord::SchemaMigration Load (0.0ms)[0m  [1mSELECT `schema_migrations`.* FROM `schema_migrations`[0m
Processing by UsersController#edit as HTML
  Parameters: {"id"=>"11"}
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  [1m[35mRole Load (0.0ms)[0m  SELECT `roles`.* FROM `roles`
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  [1m[35mCACHE (0.0ms)[0m  SELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11  [["user_id", 11]]
  [1m[36mCACHE (0.0ms)[0m  [1mSELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11[0m  [["user_id", 11]]
  [1m[35mCACHE (0.0ms)[0m  SELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11  [["user_id", 11]]
  Rendered users/edit.html.erb within layouts/application (66.0ms)
Completed 200 OK in 305ms (Views: 243.2ms | ActiveRecord: 21.0ms)


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Started POST "/users/update/11" for ::1 at 2015-06-18 23:42:53 +0530
Processing by UsersController#update as HTML
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"B9vvbQhZJe1H4u9T2XQsIHH14ysoe6oHOAnLt5fKwAOMPBheb/IEHk2Bevqe6Q1unoNGo0IAHQt47WhMI2Uybw==", "user"=>{"role_ids"=>["2", "3"]}, "commit"=>"Update Role", "id"=>"11"}
  [1m[36mUser Load (1.0ms)[0m  [1mSELECT  `users`.* FROM `users` WHERE `users`.`id` = 11  ORDER BY `users`.`id` ASC LIMIT 1[0m
  [1m[35mUser Load (0.0ms)[0m  SELECT  `users`.* FROM `users` WHERE `users`.`id` = 11 LIMIT 1
Unpermitted parameter: role_ids
  [1m[36m (0.0ms)[0m  [1mBEGIN[0m
  [1m[35m (0.0ms)[0m  COMMIT
Redirected to http://localhost:3000/users/index?id=11
Completed 302 Found in 11ms (ActiveRecord: 1.0ms)


Started GET "/users/index?id=11" for ::1 at 2015-06-18 23:42:53 +0530
Processing by UsersController#index as HTML
  Parameters: {"id"=>"11"}
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Completed 200 OK in 31ms (Views: 29.0ms | ActiveRecord: 1.0ms)


Started GET "/javascripts/public.js" for ::1 at 2015-06-18 23:42:53 +0530

ActionController::RoutingError (No route matches [GET] "/javascripts/public.js"):
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Started GET "/users/edit/11" for ::1 at 2015-06-18 23:42:58 +0530
Processing by UsersController#edit as HTML
  Parameters: {"id"=>"11"}
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Completed 200 OK in 36ms (Views: 33.0ms | ActiveRecord: 0.0ms)


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ActionController::RoutingError (No route matches [GET] "/javascripts/public.js"):
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1 个答案:

答案 0 :(得分：0)

与Rails 4一样，输入需要列入白名单。将日志文件中显示的未经许可的参数[]添加到相应的控制器就可以了。 accepted_nested_attributes_for也是必需的，以便当前模型通过当前模型接受其他模型的嵌套属性。

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