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使用 Devise，我创建了用户模型，后来我使用迁移向我的模型添加了一个:admin字段。default => false现在我需要手动创建一个管理员用户，所以在rails控制台中我尝试了： superadmin = User.create({ :email => 'email@mail.com', :password => '12345678' , :admin=> true }) 但得到以下错误：

ActiveModel::MassAssignmentSecurity::Error: 无法批量分配受保护的属性：来自 /var/lib/gems/1.9.1/gems/activemodel-3.2.13/lib/active_model/mass_assignment_security/sanitizer.rb:48 的管理员：在process_removed_attributes' from /var/lib/gems/1.9.1/gems/activemodel-3.2.13/lib/active_model/mass_assignment_security/sanitizer.rb:20:indebug_protected_attribute_removal' 来自 /var/lib/gems/1.9.1/gems/activemodel-3.2.13/lib/active_model/mass_assignment_security/sanitizer.rb:12:in sanitize' from /var/lib/gems/1.9.1/gems/activemodel-3.2.13/lib/active_model/mass_assignment_security.rb:230:insanitize_for_mass_assignment' 来自 /var/lib/gems/1.9.1/ gems/activerecord-3.2.13/lib/active_record/attribute_assignment.rb:75:in assign_attributes' from /var/lib/gems/1.9.1/gems/activerecord-3.2.13/lib/active_record/base.rb:498:ininitialize' 来自 /var/lib/gems/1.9.1/gems/devise-2.2.4/lib/devise/models/confirmable.rb :46:in initialize' from /var/lib/gems/1.9.1/gems/activerecord-3.2.13/lib/active_record/persistence.rb:44:innew' 来自 /var/lib/gems/1.9.1/gems/activerecord-3.2.13/lib/active_record/persistence.rb:44:increate' from (irb):4 from /var/lib/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands/console.rb:47:in开始'从 /var/lib/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands/console.rb:8:in start' from /var/lib/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:41:in' 来自 script/rails:6:in require' from script/rails:6:in'

那么还有另一种手动创建用户的方法吗？（使用命令）

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1 回答 1

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您正在尝试为 分配一个值admin，但目前无法对其进行分配。要解决此问题，您需要声明admin属性attr_accessible：

# app/models/user.rb
class User < ActiveRecord::Base
    attr_accessible :admin
end

这将使您能够以您描述的精确方式创建新用户。

于 2013-06-16T12:25:11.750 回答