我在使用 Rails 时遇到了很大的问题。问题是，我有 32 个模型与一个主要模型相关联。
该模型被称为Problem- 每个问题都有一个leveloneeffect, levelonecause, leveloneend, leveloneway。
现在每个以前的级别，都有另一个模型与它们关联，例如leveltwoeffect关联leveloneeffect等等。
每个模型都与其他模型正确关联，并且表单显示所有标签和 texfields 正确提交；但是当我提交时，我收到以下错误：
无法批量分配受保护的属性：levelonecause_id
app/controllers/problems_controller.rb:27:in `update'
现在在控制器中，我在 27 行中有以下代码
def update
@problem = Problem.find(params[:id])
@problem.update_attributes(params[:problem]) <--- LINE 27
flash[:notice] = "Programa editado correctamente."
redirect_to edit_problem_path(@problem)
end
有任何想法吗？
这是我的问题控制器
def index
@problem = Problem.all
end
def new
@problem = Problem.new
end
def create
@problem = Problem.new(params[:problem])
@problem.user_id = current_user.id
@problem.save
flash[:notice] = "Prorgrama Creado."
redirect_to edit_problem_path(@problem)
end
def show
@problem = Problem.find(params[:id])
end
def edit
@problem = Problem.find(params[:id])
end
def update
@problem = Problem.find(params[:id])
@problem.update_attributes(params[:problem])
flash[:notice] = "Programa editado correctamente."
redirect_to edit_problem_path(@problem)
end
def destroy
@problem = Problem.find(params[:id])
@Problem.destroy
flash[:notice] = "Programa borrado correctamente."
redirect_to problems_path
end
end
这里添加的是问题模型
attr_accessible :leveltwocause_attributes,:indicator_attributes, :leveloneeffect_attributes, :levelonecause_attributes, :budget_program, :city, :department, :email, :name, :responsable_unit, :init_date, :end_date, :organism, :definition, :idea_attributes
belongs_to :user
has_many :idea
has_many :levelonecause
has_many :leveltwocause, :through => :levelonecause
has_many :levelthreecause, :through => :leveltwocause
has_many :levelfourcause, :through => :levelthreecause
has_many :levelfivecause, :through => :levelfourcause
has_many :levelsixcause, :through => :levelfivecause
has_many :levelsevencause, :through => :levelsixcause
has_many :leveleightcause, :through => :levelsevencause
has_many :indicator
has_many :leveloneeffect
has_many :leveltwoeffect, :through => :leveloneeffect
has_many :levelthreeeffect, :through => :leveltwoeffect
has_many :levelfoureffect, :through => :levelthreeeffect
has_many :levelfiveeffect, :through => :levelfoureffect
has_many :levelsixeffect, :through => :levelfiveeffect
has_many :levelseveneffect, :through => :levelsixeffect
has_many :leveleighteffect, :through => :levelseveneffect
accepts_nested_attributes_for :idea, :allow_destroy => true
accepts_nested_attributes_for :levelonecause, :allow_destroy => true
accepts_nested_attributes_for :leveltwocause, :allow_destroy => true
accepts_nested_attributes_for :levelthreecause, :allow_destroy => true
accepts_nested_attributes_for :levelfourcause, :allow_destroy => true
accepts_nested_attributes_for :levelfivecause, :allow_destroy => true
accepts_nested_attributes_for :levelsixcause, :allow_destroy => true
accepts_nested_attributes_for :levelsevencause, :allow_destroy => true
accepts_nested_attributes_for :leveleightcause, :allow_destroy => true
accepts_nested_attributes_for :leveloneeffect, :allow_destroy => true
accepts_nested_attributes_for :leveltwoeffect, :allow_destroy => true
accepts_nested_attributes_for :levelthreeeffect, :allow_destroy => true
accepts_nested_attributes_for :levelfoureffect, :allow_destroy => true
accepts_nested_attributes_for :levelfiveeffect, :allow_destroy => true
accepts_nested_attributes_for :levelsixeffect, :allow_destroy => true
accepts_nested_attributes_for :levelseveneffect, :allow_destroy => true
accepts_nested_attributes_for :leveleighteffect, :allow_destroy => true
accepts_nested_attributes_for :indicator, :allow_destroy => true
end
这是表格
<%= simple_nested_form_for @problem, :html => { :class => " widgetbox box-inverse form-horizontal" } do |f| %>
<div class="tabbable"> <!-- Only required for left/right tabs -->
<ul class="nav nav-pills">
<li class="active"><a href="#definicion" data-toggle="tab">Definicion del Problema</a></li>
<li><a href="#arbolproblema" data-toggle="tab">Arbol del Problema</a></li>
<li><a href="#arbolproblema" data-toggle="tab">Arbol de Objetivos</a></li>
<li><a href="#arbolproblema" data-toggle="tab">Matriz Marco Logico</a></li>
</ul>
<div class="tab-content">
<div class="tab-pane fade in active" id="definicion">
<ul class="nav nav-tabs">
<li><a href="#infbasica" data-toggle="tab">Informacion Basica</a></li>
<li><a href="#nombrar" data-toggle="tab">Definicion del Problema</a></li>
<li><a href="#lluvia" data-toggle="tab">Lluvia de Ideas</a></li>
</ul>
<div class="tab-content">
<div class="tab-pane fade" id="infbasica">
<div class="span4 offset1">
<%= f.input :name, label: 'Nombre del Programa' %>
<%= f.input :organism, label: 'Dependencia', collection: ["Dependencia 1", "Dependencia 2", "Dependencia 3"] %>
<%= f.input :responsable_unit, label: 'Nombre del Responsable del Programa' %>
<%= f.input :city, label: 'Ciudad', collection: [ "Chihuahua", "DF", "Toluca", "Juarez"] %>
<%= f.input :department, label: 'Departamento', :collection => [ "Direccion Tecnica", "Proyectos Especiales", "Sub Direccion de Estudios"] %>
<%= f.input :email, label: 'Correo Electronico', placeholder: 'usuario@correo.com' %>
</div>
<div class="span4 offset1">
<%= f.input :init_date, label: 'Fecha problable de Inicio'%>
<%= f.input :end_date, label: 'Fecha problable de Terminacion' %>
</div>
</div>
<div class="tab-pane fade" id="nombrar">
<div class="span6 offset1">
<%= f.input :definition, label: 'Definicion del Problema', as: :text %>
</div>
</div>
<div class="tab-pane fade" id="lluvia">
<div class="span6 offset1">
<%= f.simple_fields_for :idea do |i| %>
<%= i.input :content, label: 'Idea', as: :text, required: false %>
<%= i.link_to_remove "Quitar", :class => 'btn btn-danger' %>
<% end %>
<%= f.link_to_add "Agregar Idea", :idea %>
</div>
</div>
</div>
</div>
<div class="tab-pane fade" id="arbolproblema">
<ul class="nav nav-tabs">
<li><a href="#causas" data-toggle="tab">Causas</a></li>
<li><a href="#efectos" data-toggle="tab">Efectos</a></li>
<li><a href="#diagcauef" data-toggle="tab">Generar Diagrama</a></li>
</ul>
<div class="tab-content">
<div class="tab-pane" id="causas">
<div class="span6 offset1">
<%= f.simple_fields_for :levelonecause do |levelone| %>
<%= levelone.input :content, label: 'Causa', as: :text, required: false %>
<%= levelone.link_to_remove "Quitar", :class => 'btn btn-danger' %>
<% end %>
<%= f.link_to_add "Agregar Causa del nivel 1", :levelonecause %>
</div>
</div>
<div class="tab-pane" id="efectos">
<div class="span6 offset1">
<%= f.simple_fields_for :leveltwocause do |leveltwocause| %>
<%= leveltwocause.input :content, label: 'Efect', as: :text, required: false %>
<%= leveltwocause.link_to_remove "Quitar", :class => 'btn btn-danger' %>
<%= leveltwocause.label :levelonecause_id, "Efecto" %>
<%= leveltwocause.collection_select(:levelonecause_id, Levelonecause.all, :id, :content) %>
<% end %>
<%= f.link_to_add "Agregar Efecto del nivel 1", :leveltwocause %>
</div>
</div>
</div>
</div>
</div>
<%= f.button :submit, 'Guardar Datos', class: 'btn btn-primary pull-right' %>
<% end %>
</div>
编辑
好的，伙计们，我删除了模型中的槽，它可以工作了！有谁知道为什么？这个新的 Rails 版本让我很生气