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我想在簡單的表單上使用simple_fields_for獲取一些空行,但只顯示一行/記錄。這是下面的代碼,模型,控制器和視圖。Simple_Fields_For:表單上的多個空行
class Journal < ActiveRecord::Base
has_many :journal_lines
end
class JournalLine < ActiveRecord::Base
belongs_to :journal
end
class JournalController < ApplicationController
def new
@organisation = Organisation.find(params[:organisation_id])
@journal = Journal.new
@journal.journal_lines = Array.new(5, JournalLine.new)
end
...
<%= simple_form_for @journal, :url => {:controller => 'journal', :action => 'create', :id => @organisation.id}, :method => :post do |f| %>
<%= f.input :transaction_date, as: :string, input_html: {class: 'datepicker'} %>
<%= f.input :reference %>
<%= f.input :memo %>
<table>
<tr><td>Account</td><td>Debit</td><td>Credit</td><td>Memo</td></tr>
<%= f.simple_fields_for :journal_lines do |jl| %>
<tr>
<td><%= jl.input :finacct_id, :collection => Finacct.all, :label_method => :full_account_name, :value_method => :id, :label => false ,:include_blank => false %></td>
<td><%= jl.input :debit, :label => false %></td>
<td><%= jl.input :credit, :label => false %></td>
<td><%= jl.input :memo, :label => false %></td>
</tr>
<% end %>
</table>
<%= submit_tag 'Create' %>
<% end %>
我不知道爲什麼我在屏幕上看不到多個日誌行。當我記錄journal_lines對象時,我看到5個空對象,但只有一個顯示在窗體中。