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我得到这个错误，submiting形式（视图/用户/ show.html.erb）应该通过FarmsController和UsersController创建农场时：NoMethod错误创建行动
NoMethodError在农场＃创建
未定义的方法`农场：
显示/媒体/其中行＃42韩国升高/ LOCAL DISC /用户/科科/文档/ kMETIJE/kmetije /应用/视图/用户/ show.html.erb '为零：NilClass
提取的源（围绕线＃42）：
39:
40: <div id="show">
41: <h2>Seznam kmetij</h2>
42: <% unless @user.farms.empty? %>
43: <table id="farms">
44: <tr>
45: <th>Ime</th>
应用/视图/用户/ show.html.erb：42：在_app_views_users_show_html_erb___3046909201139407898_28545460_3894795499615530291' app/controllers/farms_controller.rb:14:in创建”
这里是有问题的在FarmsController中创建动作：
class FarmsController < ApplicationController
def new
@farm = current_user.farms.build
end
def create
@farm = Farm.new(params[:farm])
if @farm.save
redirect_to 'users/show'
else
render 'users/show'
end
end
end
这里是UsersController，它issu ES展会的行动，应显示结果的看法：
class UsersController < ApplicationController
def show
@user = User.find(params[:id])
@farms = @user.farms.paginate(:page => params[:page])
end
end
这是视图，具有形式中添加农场（ID =“添加”），并应显示在创建农场在（ID = “秀”）：
<body>
<div id="add">
<h2>Dodaj kmetijo</h2><br />
<%= form_for(:farm, :url => farms_path) do |f| %>
<%= f.label :name, "Ime kmetije" %><br />
<%= f.text_field :name %>
<%= f.label :region, "Območje" %><br />
<%= f.text_field :region %>
<%= f.label :north, "Geografska širina" %><br />
<%= f.text_field :north %>
<%= f.label :east, "Geografska dolžina" %><br />
<%= f.text_field :east %>
<%= f.label :description, "Opis" %><br />
<%= f.text_area :description, rows: "6" %><br />
<%= f.label :categories, "Kategorije" %><br />
<%= f.text_area :categories, rows: "1" %><br />
<%= f.label :products, "Izdelki" %><br />
<%= f.text_area :products, rows: "2" %><br />
<%= f.submit "Vstavi" %>
<% end %>
</div>
<div id="show">
<h2>Seznam kmetij</h2>
<% unless @user.farms.empty? %>
<table id="farms">
<tr>
<th>Ime</th>
<th>Regija</th>
<th>N</th>
<th>E</th>
<th>Opis</th>
<th>Kategorije</th>
<th>Izdelki</th>
<th>Izbris</th>
</tr>
<tr>
<td><%= farm.name %></td>
<td><%= farm.region %></td>
<td><%= farm.north %></td>
<td><%= farm.east %></td>
<td><%= farm.description %></td>
<td><%= farm.categories %></td>
<td><%= farm.products %></td>
<td><%= link_to "delete", farm, :method => :delete, :confirm => "Izbrišem?", :title => farm.name %></td>
</tr>
</table>
<%= will_paginate @farms %>
<% end %>
</div>
</body>
还有一个连接（场belong_to：用户）在农场模型：
class Farm < ActiveRecord::Base
attr_accessible :name, :region, :north, :east, :description, :categories, :products
belongs_to :user
validates :name, :presence => true
validates :region, :presence => true
validates :north, :presence => true
validates :east, :presence => true
validates :description, :presence => true
validates :categories, :presence => true
validates :products, :presence => true
validates :user_id, :presence => true
default_scope :order => 'farms.region DESC'
end
以及在用户模式：
class User < ActiveRecord::Base
attr_accessor :password
attr_accessible :name, :password, :password_confirmation
has_many :farms
validates :name, :presence => true,
validates :password, :presence => true,
:confirmation => true,
end
谢谢您的时间和精力！
In Farms＃create''users/show''需要参数中的用户ID才能找到'User.find（params [：id]'：id，在线42 @user in'nil' –