Ruby on rails 嵌套表单删除不起作用_Ruby On Rails_Ruby_Ruby On Rails 3.1_Nested Forms

Ruby on rails 嵌套表单删除不起作用

ruby-on-rails ruby ruby-on-rails-3.1

Ruby on rails 嵌套表单删除不起作用,ruby-on-rails,ruby,ruby-on-rails-3.1,nested-forms,Ruby On Rails,Ruby,Ruby On Rails 3.1,Nested Forms,我使用嵌套的_表单来添加和删除嵌套的_属性 class Text < ActiveRecord::Base attr_accessible :attachments_attributes has_many :attachments, :as => :attachable accepts_nested_attributes_for :attachments end 更新方法中参数的输出为 attachments_attributes: '0': descrip

我使用嵌套的_表单来添加和删除嵌套的_属性

class Text < ActiveRecord::Base
  attr_accessible :attachments_attributes
  has_many :attachments, :as => :attachable
  accepts_nested_attributes_for :attachments
end

更新方法中参数的输出为

attachments_attributes:
  '0':
    description: asdf asdf as fs
    _destroy: '1'
    id: '2'
  '1':
    description: ''
    _destroy: '1'
    id: '3'
  '2':
    description: asdsadasd
    _destroy: '1'
    id: '4'

我找不到问题，你知道哪里出了问题吗

谢谢大家!！

如果有不清楚的地方，请留言

添加

：允许销毁=>true

到

接受：附件的嵌套属性
accepts_nested_attributes_for :attachments, :allow_destroy => true

更多信息
添加：允许销毁=>true
到接受：附件的嵌套属性

accepts_nested_attributes_for :attachments, :allow_destroy => true

更多信息
accepts_nested_attributes_for :attachments, :allow_destroy => true