我正在尝试使用ruby 4中的Simple_fields创建一个嵌套表单。
但是，每次我尝试在表单中输入数据时，我都会在尝试提交后在服务器控制台中收到未经许可的参数错误。
我已经尝试过在simple_form wiki中找到的解决方案并进行了一些测试，但这似乎不起作用。
_form：
<%= simple_form_for(@enquiry) do |f| %>
<%= f.error_notification %>
<div class="form-inputs">
<H1>Algemene informatie</H1>
<%= f.input :reference, placeholder: 'Referentie' %>
<br>
<%= f.label :Locatie %>
<%= f.select :location, [['Chemiepark', 'chemiepark'], ['Farmsum', 'farmsum'], ['Winschoten', 'winschoten']] %>
<br>
<%= f.input :description, placeholder: 'Omschrijving' %>
<br>
<%= f.input :date %>
<br>
<%= f.input :amount, placeholder: 'Aantal' %>
</div>
<hr>
<% if false %>
<div class="form-inputs">
<%= f.simple_fields_for :enquiry_measures do |e| %>
<H1>Maatregelen</H1>
<%= e.input :responsible, placeholder: 'Verantwoordelijke' %>
<br>
<%# e.input :needed, as: :check_boxes,
collection: ["ja", "nee"] %>
<% end %>
<br>
</div>
<% end %>
<div class="form-inputs">
<%= f.simple_fields_for :tools do |t| %>
<% @enquiry.tools.each do |tool| %>
<%= field_set_tag 'Tool' do %>
<%= f.simple_fields_for "tool_attributes[]", tool do |tf| %>
<h1>Gereedschappen</h1>
<br>
<%= tf.input :handtool, placeholder: 'Handgereedschap' %>
<% end %>
<% end %>
<% end %>
<% end %>
</div>
<div class="form-actions">
<%= f.button :submit %>
</div>
<% end %>
强大的属性加上我测试的内容：
def enquiry_params
# was gegenereerd door de scaffold params.fetch(:enquiry, {})
params.require(:enquiry).permit(:reference, :location, :description, :date, :amount,
:enquiry_measures_attributes => [:done, :responsible, :needed], :tools_attributes => [:handtool] )
#:enquiry_measures_attributes => [:done, :responsible, :needed])
#enquiry_measure_attributes: [:done, :responsible, :needed] )
更新 来自模型的代码
class Enquiry < ActiveRecord::Base
#ophalen van andere tabellen voor het formulier. Has_many is 1 op veel relatie
#accepts_nested_attributes Nested attributes allow you to save attributes on associated records through the paren
# de dere regel zorgt ervoor dat de maatregelen worden opgehaald via de tussentabel enquiry_measures.
has_many :enquiry_measures, :class_name => 'EnquiryMeasure' #, inverse_of: :Enquiry
accepts_nested_attributes_for :enquiry_measures, :allow_destroy => true
has_many :measures, -> { uniq }, :class_name => 'Measure', :through => :enquiry_measures, dependent: :destroy
accepts_nested_attributes_for :measures, :allow_destroy => false
has_many :controls, :class_name => 'Control' #, inverse_of: :Enquiry
has_many :applicants, :class_name => 'Applicant' #, inverse_of: :Enquiry
has_many :agrees, :class_name => 'Agree' #, inverse_of: :Enquiry
has_many :signatures, :class_name => 'Signature' #, inverse_of: :Enquiry
accepts_nested_attributes_for :signatures, :allow_destroy => false
has_many :tools, :class_name => 'Tool', :dependent => :destroy #, inverse_of: :Enquiry
accepts_nested_attributes_for :tools, :allow_destroy => true
#:dependent => :destroy zorgt ervoor dat de foreign record ook word verwijderd.
#de instances van andere tabellen:
e = Enquiry.new
e.enquiry_measures.build(:enquiry_id => :id)
e.measures.build
# 28-11 MG de pagina's die in het form worden gebruikt.
cattr_accessor :form_steps do
%w(basic when measurements tool)
end
attr_accessor :form_step
validates :reference, presence: true, if: -> { required_for_step?(:basic) }
validates :amount, :date, presence: true, if: -> { required_for_step?(:when) }
#validates :needed, presence: true, if: -> { required_for_step?(:measurements) }
def required_for_step?(step)
return true if form_step.nil?
return true if self.form_steps.index(step.to_s) <= self.form_steps.index(form_step)
end
#voor het mailen met behulp van de mailgem:
# Declare the e-mail headers. It accepts anything the mail method
# in ActionMailer accepts.
def headers
{
:subject => "My Contact Form",
:to => "marco.groenhof@jpbgroep.nl",
:from => %("#{name}" <#{email}>)
}
end
end
和1个相关模型：在本例中为enquiry_measure
class EnquiryMeasure < ActiveRecord::Base
belongs_to :enquiry
validates_presence_of :enquiry
has_many :measure
#serialize zodat de data uit de collection select met multiple: true op kan worden geslagen.
serialize :measure
end
和工具：
class Tool < ActiveRecord::Base
belongs_to :enquiry, :class_name => 'Enquiry' #, inverse_of: :applicant
validates_presence_of :enquiry
end
我知道不再需要class_name了。
更新
记录：
Parameters: {"utf8"=>"✓", "authenticity_token"=>"i3YukMoOaYEuUdxk6kmhoQ5q9uLQHHISW+NAU/L+kNjSwMZERmdIIVXZvJUh0vTnEPidaMvMEIlVT/aTlkTNPw==", "enquiry"=>{"reference"=>"Test", "location"=>"chemiepark", "description"=>"3ro0qjhrojeofj", "date(1i)"=>"2017", "date(2i)"=>"1", "date(3i)"=>"3", "amount"=>"2", "tools_attributes"=>{"0"=>{"handtool"=>"Hamer"}}}, "commit"=>"Create Enquiry"}
我看到的唯一奇怪的事情是＆＃34; tools_attributes＆＃34; =＆gt; {＆＃34; 0＆＃34; =＆gt; {＆＃34; handtool＆＃34; =＆gt;＆＃34;哈默＆＃34;}}} 为什么那里有0？它可能是id，因为这对我无法保存的原因有意义。
只是为了确保，这是工具表和外键：
add_index "tools", ["enquiry_id"], name: "index_tools_on_enquiry_id", using: :btree
create_table "users", force: :cascade do |t|
t.string "name", limit: 255
t.string "email", limit: 255
t.string "password_digest", limit: 255
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
add_foreign_key "tools", "enquiries"
更新4/01 刚刚安装了rails面板，看看会说些什么，但我一直认为问题在参数范围内：
{"reference":"test","location":"chemiepark","description":"iwopjf","date(1i)":"2017","date(2i)":"1","date(3i)":"4","amount":"2","tools_attributes":{"0":{"handtool":"hamer"}}}
为什么一直发送0？我怀疑它是工具ID，它会声明无法保存。
答案 0 :(得分：0)
尝试将您的强参数设为
params.require(:enquiry).permit(:reference, :location, :description, :date, :amount, enquiry_measures_attributes: [:id, :done, :responsible, :needed, :_destroy], tools_attributes: [:id, :handtool, :_destroy] )
您正在嵌套的模型应该如下所示。尝试一次。
class Tool < ActiveRecord::Base
# For a while let's not have any validation.
end
希望这对你的情况有用，因为我为自己解决了这个问题。
答案 1 :(得分：0)
我决定更新这个问题，因为我得到了帮助我的答案。它可能不是完全正确的答案，但我设法通过在Rails上使用uby中的默认form_for来解决我的问题。更多的编码工作，但它确实有效。