我有两个型号，其中invoice_details has_many multiple_goods和multiple_goods belongs_to invoice_details。
我有一个条件，当我点击新的时候，我必须在invoice_details_show中显示multiple_goods的形式作为弹出窗口。
invoice_details / show.html.erb：
<div><%= link_to 'New Person', '#new_person_modal', 'data-toggle' => 'modal' %></div>
<%# Bootstrap modal markup. @see: http://getbootstrap.com/javascript/#modals %>
<div class="modal fade" id="new_person_modal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h4 class="modal-title" id="myModalLabel">Create new person</h4>
</div>
<div class="modal-body">
<%# Render the new person form (passing modal => true to enable remote => true) %>
<%= render 'multiple_goods/form', modal: true %>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
multiple_goods / _form.html.erb：
<%=form_for([:invoice_detail,@multiple_good], html: {class: 'form-horizontal', role: 'form' }) do |f| %>
<% if @multiple_good.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(@multiple_good.errors.count, "error") %> prohibited this multiple_good from being saved:</h2>
<ul>
<% @multiple_good.errors.full_messages.each do |message| %>
<li><%= message %></li>
<% end %>
</ul>
</div>
<% end %>
<br/>
<div class="field">
<%= f.label :description_of_goods1, :class => 'control-label' %>
<div class="controls">
<%= f.text_field :description_of_goods1, :class => 'text_field', :required => true,:maxlength => 20, :placeholder => '20 Alpha numeric characters' %>
</div>
</div>
<div class="field">
<%= f.label :quatity1, :class => 'control-label' %>
<div class="controls">
<%= f.text_field :quatity1, :class => 'text_field', :required => true,:maxlength => 20, :placeholder => 'Enter quatity' %>
</div>
</div>
<div class="field">
<%= f.label :price_per_unit1, :class => 'control-label' %>
<div class="controls">
<%= f.text_field :price_per_unit1, :class => 'text_field', :placeholder => 'Enter price Per unit' %>
</div>
</div>
<div class="field">
<%= f.label :total_amount1, :class => 'control-label' %>
<div class="controls">
<%= f.text_field :total_amount1, :class => 'text_field', readonly: true, :placeholder => 'This field is auto saved' %>
</div>
</div>
<div class="form-actions2"style="text-align:center">
<%= f.submit :class => 'btn btn-primary' %>
</div>
</div>
<% end %>
最后我的控制器：
class MultipleGoodsController < ApplicationController
before_action :set_multiple_good, only: [:show, :edit, :update, :destroy]
respond_to :html
def index
@multiple_goods = MultipleGood.all
respond_with(@multiple_goods)
end
def show
respond_with(@multiple_good)
end
def new
@multiple_good = MultipleGood.new
respond_with(@multiple_good)
end
def edit
end
def create
@invoice_detail = InvoiceDetail.find(params[:invoice_detail_id])
@multiple_good = @invoice_detail.multiple_goods.create(multiple_good_params)
redirect_to invoice_detail_path(@invoice_detail)
end
def update
@multiple_good.update(multiple_good_params)
respond_with(@multiple_good)
end
def destroy
@multiple_good.destroy
respond_with(@multiple_good)
end
private
def set_multiple_good
@multiple_good = MultipleGood.find(params[:id])
end
def multiple_good_params
params.require(:multiple_good).permit(:description_of_goods1, :quatity1, :price_per_unit1, :total_amount1)
end
end
我的发票详情控制器
class InvoiceDetailsController < ApplicationController
before_action :set_invoice_detail, only: [:show, :edit, :update, :destroy]
respond_to :html
def index
@invoice_details = InvoiceDetail.all
respond_with(@invoice_details)
end
def show
@invoice_detail = InvoiceDetail.find(params[:id])
respond_to do |format|
format.html # show.html.erb
format.xml { render :xml => @invoice_detail }
format.pdf { render :layout => false }
end
end
def new
@invoice_detail = InvoiceDetail.new
@invoice_detail_attachment = @invoice_detail.invoice_detail_attachments.build
end
def edit
end
def create
@invoice_detail = InvoiceDetail.new(invoice_detail_params)
respond_to do |format|
if @invoice_detail.save
params[:invoice_detail_attachments]['avatar'].each do |a|
@invoice_detail_attachment = @invoice_detail.invoice_detail_attachments.create!(:avatar => a, :invoice_detail_id => @invoice_detail.id)
end
format.html { redirect_to @invoice_detail, notice: '' }
else
format.html { render action: 'new' }
end
end
end
def update
@invoice_detail.update(invoice_detail_params)
if @invoice_detail.save
params[:invoice_detail_attachments]['avatar'].each do |a|
@invoice_detail_attachment = @invoice_detail.invoice_detail_attachments.create!(:avatar => a, :invoice_detail_id => @invoice_detail.id)
end
redirect_to invoice_details_path
end
end
def destroy
@invoice_detail.destroy
redirect_to invoice_details_path
end
def download
require 'zip/zip'
require 'zip/zipfilesystem'
@invoice_detail = InvoiceDetail.find(params[:invoice_id])
t = Tempfile.new('tmp-zip-' + request.remote_ip)
Zip::ZipOutputStream.open(t.path) do |zos|
@invoice_detail.invoice_detail_attachments.each do |file|
zos.put_next_entry(file.invoice_detail)
zos.print IO.read(file.avatar.path)
end
end
send_file t.path, :type => "application/zip", :filename => "#{@invoice_detail.invoice_number}.zip"
t.close
end
private
def set_invoice_detail
@invoice_detail = InvoiceDetail.find(params[:id])
end
def invoice_detail_params
params.require(:invoice_detail).permit(:avatar,:attachment,:invoice_number, :supplier_name, :invoice_date, :invoice_due_date, :description_of_goods, :quatity, :price_per_unit, :total_amount, :mode_of_payment, :status, :shipping_country, :sl_no, :containers, :net_weight, :bl_number, :bl_date, :insurance_provider, :insurance_amount, :insurance_status, :coo_payment, :farworder, :farworder_inv_amt_doller, :farworder_inv_amt_idr, :payment_status_to_farworder,:final_amount )
end
end
当我在服务器上运行时，我收到错误：
InvoiceDetails中的ArgumentError＃show
表单中的第一个参数不能包含nil或为空
答案 0 :(得分：0)
你在InvoiceDetailsController中显示的动作并没有为_form包含一个新的multiple_goods，你应该考虑到视图中的渲染只会使一个视图不能通过另一个动作。
def show
@invoice_detail = InvoiceDetail.find(params[:id])
@multiple_good = MultipleGood.new
respond_to do |format|
format.html # show.html.erb
format.xml { render :xml => @invoice_detail }
format.pdf { render :layout => false }
end
end