嗨,我目前正在处理我的第一个 Rails 项目(照片上传网站),并且在创建属于用户的新相册的表单上遇到错误。我正在尝试使用回形针宝石。它给了我错误:
ActiveRecord::RecordNotFound in AlbumsController#create
Couldn't find User without an ID
我猜它与我的创建操作中的实例变量有关,但我看不出有什么问题。任何指导都会有所帮助。这是我的文件:
_form.html.erb
<%= form_for (@album), :remote => true, :html => { :id => "uploadform", :multipart => true } do |f| %>
<div>
<%= f.label :name %>
<%= f.text_field :name %>
<%= f.label :description %>
<%= f.text_area :description %>
<%= f.fields_for :avatar do |avatar_form| %>
<%= avatar_form.label :avatar, "Upload" %>
<%= avatar_form.file_field :avatar, :multiple => true %>
<% end %>
<%=f.submit %>
</div>
<% end %>
Albums_controller 创建动作:
def create
@users = User.all
@user = User.find(params[:user_id])
@album = @user.albums.build(params[:album])
if @album.save
flash[:success] = "Album created!"
end
end
配置/路由
Pholder::Application.routes.draw do
resources :users do
resources :albums
end
resources :albums do
resources :pictures
end
专辑型号
class Album < ActiveRecord::Base
attr_accessible :avatar, :name, :description
has_and_belongs_to_many :users
has_attached_file :avatar
end
如果您需要查看任何其他文件,请告诉我。