Ruby on rails 无法编辑(更新嵌套模型rails 4
我正在rails 4中构建嵌套表单。我的每件事都按预期工作,但当我尝试编辑页面时,它只在此处编辑父元素项目。子模型问题元素甚至不会在编辑模式下显示 my_form.html.erb asRuby on rails 无法编辑(更新嵌套模型rails 4,ruby-on-rails,forms,ruby-on-rails-4,nested-attributes,Ruby On Rails,Forms,Ruby On Rails 4,Nested Attributes,我正在rails 4中构建嵌套表单。我的每件事都按预期工作,但当我尝试编辑页面时,它只在此处编辑父元素项目。子模型问题元素甚至不会在编辑模式下显示 my_form.html.erb as <%= nested_form_for (@project) do |f| %> <% if @project.errors.any? %> <div id="error_explanation"> <h2><%= plura
<%= nested_form_for (@project) do |f| %>
<% if @project.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(@project.errors.count, "error") %> prohibited this project from being saved:</h2>
<ul>
<% @project.errors.full_messages.each do |message| %>
<li><%= message %></li>
<% end %>
</ul>
</div>
<% end %>
<div class="field">
<%= f.label :name %><br>
<%= f.text_field :name %>
</div>
<%= f.fields_for :questions do |builder| %>
<%= render "question_fields", :f => builder %>
<p><%= f.link_to_add "Add a questions",:questions %></p>
<% end %>
<div class="actions">
<%= f.submit %>
</div>
<% end %>
问题.rb
class Question < ActiveRecord::Base
belongs_to :project
end
结束
我用嵌套的宝石
请帮我摆脱这个错误
问题:-
def question_params
params.require(:question).permit(:id, :project_id, :subject, :content)
end
项目管理主任
def new
@project = Project.new
3.times do
question = @project.questions.build
end
def project_params
params.require(:project).permit(:name,questions_attributes: [:id,:project_id,:subject,:content])
end
def create
@project = Project.new(project_params)
respond_to do |format|
if @project.save
format.html { redirect_to @project, notice: 'Project was successfully created.' }
format.json { render :show, status: :created, location: @project }
else
format.html { render :new }
format.json { render json: @project.errors, status: :unprocessable_entity }
end
end
before_action :set_project, only: [:show, :edit, :update, :destroy]
def edit
@question = Question.find_by_project_id(params[:id])
end
# POST /projects
# POST /projects.json
def create
@project = Project.new(project_params)
respond_to do |format|
if @project.save
format.html { redirect_to @project, notice: 'Project was successfully created.' }
format.json { render :show, status: :created, location: @project }
else
format.html { render :new }
format.json { render json: @project.errors, status: :unprocessable_entity }
end
end
end
def update
respond_to do |format|
if @project.update(project_params)
format.html { redirect_to @project, notice: 'Project was successfully updated.' }
format.json { render :show, status: :ok, location: @project }
else
format.html { render :edit }
format.json { render json: @project.errors, status: :unprocessable_entity }
end
end
end
私人的
# Use callbacks to share common setup or constraints between actions.
def set_project
@project = Project.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def project_params
params.require(:project).permit(:name,questions_attributes: [:id,:project_id,:subject,:content,:_destroy])
#params.require(:project).permit(:name, questions_attributes: [:id,:project_id,:subject,:content, :_destroy])
end
发布项目的编辑和更新方法。\u controller@Pavan查看我的编辑!!您可以创建父元素和子元素吗?@WaliAli是的,但在编辑页面上我可以编辑项目的元素,但问题的元素甚至不显示发布日志参数
before_action :set_project, only: [:show, :edit, :update, :destroy]
def edit
@question = Question.find_by_project_id(params[:id])
end
# POST /projects
# POST /projects.json
def create
@project = Project.new(project_params)
respond_to do |format|
if @project.save
format.html { redirect_to @project, notice: 'Project was successfully created.' }
format.json { render :show, status: :created, location: @project }
else
format.html { render :new }
format.json { render json: @project.errors, status: :unprocessable_entity }
end
end
end
def update
respond_to do |format|
if @project.update(project_params)
format.html { redirect_to @project, notice: 'Project was successfully updated.' }
format.json { render :show, status: :ok, location: @project }
else
format.html { render :edit }
format.json { render json: @project.errors, status: :unprocessable_entity }
end
end
end
# Use callbacks to share common setup or constraints between actions.
def set_project
@project = Project.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def project_params
params.require(:project).permit(:name,questions_attributes: [:id,:project_id,:subject,:content,:_destroy])
#params.require(:project).permit(:name, questions_attributes: [:id,:project_id,:subject,:content, :_destroy])
end