3
我正在尝试使用fields_for
并创建一个嵌套表单,但只有一个文本字段显示为空白。我有3 crewmember
记录。Rails fields_for not working
crewmember
模型:
class Crewmember < ActiveRecord::Base
belongs_to :production
belongs_to :callsheet
validates :firstname, presence: true
validates :email, presence: true
def name
"#{firstname} #{lastname}"
end
end
callsheet
模型
class Callsheet < ActiveRecord::Base
attr_accessible :crewmembers_params
has_many :castmembers
has_many :crewmembers
accepts_nested_attributes_for :crewmembers
end
callsheets
控制器
class CallsheetsController < ApplicationController
def index
@callsheets = Callsheet.all
@departments = Department.where(production_id: current_user.default_working_production_id)
end
def show
@callsheet = Callsheet.find(params[:id])
end
def new
@callsheet = Callsheet.new
@departments = Department.where(production_id: current_user.default_working_production_id)
end
def edit
@callsheet = Callsheet.find(params[:id])
end
def create
@callsheet = Callsheet.new(callsheets_params)
@Callsheet.production_id = current_user.default_working_production_id
if @callsheets.save
redirect_to callsheet_path
else
render 'new'
end
end
def update
@callsheet = Callsheet.find(params[:id])
if @callsheet.update(callsheets_params)
redirect_to callsheet_path, :notice => "callsheets successfully updated."
else
render 'edit', :notice => "callsheets not updated."
end
end
def destroy
@callsheet = Callsheet.find(params[:id])
@callsheet.destroy
redirect_to callsheets_path
end
private
def callsheets_params
params.require(:callsheet).permit(:crewmembers_params [:id, :firstname])
end
end
形式为新callsheet:
<%= form_for @callsheet do |f| %>
<% if @callsheet.errors.any? %>
<div id="error_explanation" class="alert alert-danger">
<strong>
<%= pluralize(@callsheet.errors.count, "error") %> prohibited
this call sheet from being saved:
</strong>
<ul>
<% @callsheet.errors.full_messages.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
<%= f.fields_for :crewmember do |crewmember| %>
<fieldset>
<%= crewmember.label :firstname, "First Name" %><br />
<%= crewmember.text_field :firstname %>
</fieldset>
<% end %>
<% end %>
该字段为空?你可以插入一个屏幕截图/图像? –
电话簿/新页面上的<%= crewmember.text_field:firstname%>'字段为空,并且只列出一个。最终我想插入每个机组人员的姓名并允许用户从表单中删除机组成员。 –
您是否尝试改变<%= f.fields_for:crewmember do | crewmember | %> <%= f.fields_for:crew members | do | crewmember | %>,请注意那里的复数。 –