我有一个可以动态添加的事件(日期时间 - 不幸的是,我在代码中将其拼错为发生)可以动态添加(感谢 Ryan Bates 的精彩教程:http ://railscasts.com/episodes/196 -nested-model-form-part-1?view=asciicast):
has_many :occurances, :dependent => :destroy
accepts_nested_attributes_for :occurance, :reject_if => lambda { |a| a[:when].blank? }, :allow_destroy => true'
attr_accessible :occurances, :occurances_attributes, :occurance_id
然后是表格:
.control-group.occurance_fields
= f.label "Date & Time", :class => 'control-label'
.controls
= f.fields_for :occurance do |o_form|
= o_form.text_field :when, :class => 'datepicker'
在 event_controller 的新方法中:
@event.occurances.build
我目前在提交表单时遇到问题:
Can't mass-assign protected attributes: occurance
如果我添加 attr_accessible :occurance
我会收到以下错误:
unknown attribute: occurance
我在这里想念什么?我已经查看了其他一些关于类似问题的问题,但我无法将他们的解决方案转化为我的项目。