1. 设置accepts_nested_attributes_for 在你的父模型中,确保你已经设置了accepts_nested_attributes_for。 代码语言:txt 复制 class ParentModel < ApplicationRecord has_many :child_models accepts_nested_attributes_for :child_models, allo
在Rails 3中,使用Rspec测试`accepts_nested_attributes_for`关联的方法如下: 1. 首先,确保已经安装了`rspec-rails`和`factory_girl...
http://blog.csdn.net/kunshan_shenbin/article/details/7249713http://api.rubyonrails.org/classes/ActionView/Helpers/FormBuilder.html#method-i-fields_forhttp://api.rubyonrails.org/classes/ActiveRecord/NestedAttributes/ClassMethods.html#method-i-accepts_nested_attributes_for 还在为表单嵌套而苦恼么,看看accep...
要实现在新建和修改blog时可以添加/删除任意多个strip_rule 我们用rails中得 accepts_nested_attributes_for实现这个功能。 新建和修改页面调用模板页面_form.html.erb #form页面主要实现代码 <%= f.fields_for:strip_rulesdo|strip_rule| %> <%= render"strip_rule",:f=> strip_rule %> <%end%> <%= raw...
什么是正确的发送方式engine_attributes到 Controller ? (汽车accepts_nested_attributes_for :engine,所以它期望engine_attributes。)我是否覆盖主干sync()?嵌套模型是否有更好的约定? 也许我不应该从 Controller 返回嵌套模型,或者返回engine_attributes而不是engine?
accepts_nested_attributes_for:actions end classTrigger< ApplicationRecord belongs_to:rule enumname:[:example] end classActions< ApplicationRecord belongs_to:rule enumname:[:example] end classFormsController< ApplicationController ... private defform_params ...
accepts_nested_attributes_for:task_activities attr_accessor:tasks_attributes end ... classTaskActivity< ApplicationRecord belongs_to:task belongs_to:activity belongs_to:instantiation_operator end ... classActivity< ApplicationRecord belongs_to:software_process ...
使用accepts_nested_attributes_for确实会改变表单的行为，这并不明显，如果您不理解它，它会让您发疯。...
attr_accessible:address_attributes,:mail_address_attributesaccepts_nested_attributes_for:address,:mail_address This will allow us to add an Address to a Location like this: Location.create!(address_attributes:{street:'123 Main Street',city:'Belmont',state:'CA',zip:'94403'}) ...
of a join model"模式（因为此模式不会触发删除回调）。相反，使用accepts_nested_attributes_for声明将...