Ruby on rails 如何调整大小以限制已保存的img?
我使用CarrierwaveUploader上传了图像,我想Ruby on rails 如何调整大小以限制已保存的img?,ruby-on-rails,ruby,carrierwave,rmagick,Ruby On Rails,Ruby,Carrierwave,Rmagick,我使用CarrierwaveUploader上传了图像,我想将大小调整到\u限制,所以我在Carrierwave中启用了RMagick class Word < ActiveRecord::Base ... mount_uploader :image, ImageUploader end class ImageUploader < CarrierWave::Uploader::Base include CarrierWave::RMagick storag
将大小调整到\u限制
,所以我在Carrierwave中启用了RMagick
class Word < ActiveRecord::Base
...
mount_uploader :image, ImageUploader
end
class ImageUploader < CarrierWave::Uploader::Base
include CarrierWave::RMagick
storage :file
def store_dir
...
end
def filename
...
end
version :thumb do
process :resize_to_limit => [400, 400]
end
end
classword[400400]
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新上载的图像已调整大小以限制,但我不知道如何将调整大小以限制应用于已保存的图像。看起来您希望重新创建
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