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對我的圖像使用回形針。嵌套屬性paperclip
型號:
class Country < ActiveRecord::Base
has_many :regions
has_many :assets, :dependent => :destroy
accepts_nested_attributes_for :assets
end
class Asset < ActiveRecord::Base
belongs_to :country
has_attached_file :image,
:styles => {
:thumb=> "100x100>",
:small => "300x300>",
:large => "600x600>"
}
end
我國的index.html看起來是這樣的:
countries.each do |country|
country.name
我嘗試這樣做:
link_to(image_tag(country.asset.image.url(:thumb)), country.asset.image.url(:original))
但我得到一個錯誤。
有人的想法,我做錯了什麼?
什麼錯誤? ...? – fl00r