我使用 Active Admin,并且需要上传包含大量图像的图库。我该如何做?
我的代码:
class Gallery < ActiveRecord::Base
belongs_to :event
has_many :images
attr_accessible :name, :publish, :images, :image, :images_attributes
accepts_nested_attributes_for :images, allow_destroy: true
validates :name, presence: true
end
class Image < ActiveRecord::Base
belongs_to :gallery
attr_accessible :url
has_attached_file :url, :styles => { :medium => "300x300>", :thumb => "100x100>" }
end
ActiveAdmin.register Gallery do
form html: { multipart: true } do |f|
f.inputs do
f.input :name
f.input :images, as: :file, input_html: { multiple: true}
end
f.buttons
end
end
我遇到了这个错误:
Image(#70319146544460) expected, got ActionDispatch::Http::UploadedFile(#70319105893880)