我有：
Initial_application.rb
has_one :full_application
has_one :statement, through: :full_application
accepts_nested_attributes_for :application_status
accepts_nested_attributes_for :full_application
Full_application.rb
has_one :statement
has_one :plaid_auth, through: :statement
Statement.rb
has_many_attached :files
belongs_to :full_application, optional: true
所以我有-initial_application-full_application(initial_application的子级(-语句(full_application的子项，因此是initial_application的孙项(
initial_application_controller.rb
def edit_full
respond_to do |format|
format.html
format.js
render layout: 'fullapplication_layout'
end
end
我在控制器中创建了一个操作来更新初始应用程序和full_application。创建嵌套表单等，放入强参数等
def initial_application_params
params.require(:initial_application).permit( :source, :amount, :years, :sales, :creditscore, :email, :name, :phone, :interest, :businessname, application_status_attributes: [:status, :person, :status_name, :status_description, :status_note], full_application_attributes: [:amount, :years, :sales, :creditscore, :email, :phone, :name, :defaults, :existingach, :acceptcc, :seasonal, :balance, :lender, :interest, :street, :apt, :city, :state, :zipcode, :businessname, :bstreet, :bapt, :bcity, :bstate, :bzipcode, :dba, :legalentity, :fedtaxid, :dob, :percentage, :own, :bown, :bphone, :analytics, :source, :credit_auth, :ip ] )
end
edit_full_form.erb
<%= simple_form_for @initial_application do |f| %>
...
<%= f.simple_fields_for :application_status do |p| %>
...
<% end %>
<%= f.simple_fields_for :full_application do |m| %>
...
<% end %>
<%= f.button :submit, "Update Status", class: "button is-medium" %>
<% end %>
但当我用嵌套的表单更新initial_application和full_application时，它会删除语句。我想好了这个问题，但我不知道怎么解决。
"更新"操作是创建一个新的full_application记录，而不是更新旧的full_aapplication。
您的完整应用程序记录正在重新创建，因为您没有传递其id。正如文件所说：
对于不具有
id密钥的每个哈希，将实例化一个新记录，除非该哈希还包含一个计算结果为true的_destroy密钥。
要修复此问题，您需要将:id添加到允许参数full_application_attributes的嵌套列表中，并将该ID作为hidden_field传递给表单。