我使用的是Rails 3.2.11 + Carrierwave。 请帮忙,如何设置特定内容类型的默认拇指,例如.doc或.docx? 默认拇指放在/ public / assets中 - thumb_for_doc.jpg
我的上传者:
# Include RMagick or MiniMagick support: include CarrierWave::RMagick #include CarrierWave::MiniMagick include CarrierWave::MimeTypes # Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility: include Sprockets::Helpers::RailsHelper include Sprockets::Helpers::IsolatedHelper # Choose what kind of storage to use for this uploader: storage :file # storage :fog def store_dir "uploads/order_#{model.order.id}" unless model.order.nil? end process :set_content_type version :pdf, :if => :pdf? do process :cover process :resize_to_fit => [100, 100] process :convert => :jpg def full_filename (for_file = model.source.file) super.chomp(File.extname(super)) + '.jpg' end end version :msword, :if => :msword? do #???? end version :thumb, :if => :image? do process :resize_to_limit => [100, 100] end def filename if model.document_specification_id document_specification = Lists::DocumentSpecification.find_by_id(model.document_specification_id) margins = Lists::PrintMargin.find_by_id(document_specification.print_margin_id).margin paper_type = Lists::PaperType.find_by_id(Lists::PaperSpecification.find_by_id(document_specification.paper_specification_id).paper_type_id).paper_type paper_size = Lists::PaperSize.find_by_id(Lists::PaperSpecification.find_by_id(document_specification.paper_specification_id).paper_size_id).size "#{secure_token}_PP_#{paper_size.parameterize}_#{paper_type.parameterize}_#{model.quantity}_#{margins.parameterize}.#{file.extension}" if original_filename.present? else "#{secure_token}_PP_not_set_spesification.#{file.extension}" if original_filename.present? end end def cover manipulate! do |frame, index| frame if index.zero? # take only the first page of the file end end protected def secure_token var = :"@#{mounted_as}_secure_token" model.instance_variable_get(var) or model.instance_variable_set(var, SecureRandom.hex(4)) end def image?(file) file.content_type.start_with? 'image' end def pdf?(file) file.content_type.start_with? 'application/pdf' end def msword?(file) file.content_type.start_with? 'application/msword' end end
谢谢!