本文介绍了下载Carrierwave上传从S3的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想下载一个用carrierwave上传到S3图像。该图像是显卡型号,安装为一个上传。我看到这个答案,但有麻烦的解决方案工作。我的code是:
从S3 #download图像
上传= card.image #image是安装上传
uploader.retrieve_from_store!(File.basename(card.image.url))
uploader.cache_stored_file!
这是最后一行抛出:......(对于无未定义的方法`身体':NilClass)导致了异常。
我的carrierwave配置是这样的:
#配置/初始化/ carrierwave.rb
CarrierWave.configure做|配置|
config.storage =:雾
config.cache_dir =#{Rails.root} / tmp目录/上传
...
结束
解决方案
感谢 apneadiving 。它是那么容易,因为:
图像= MiniMagick ::图像::开(card.image.to_s)
image.write(somepath)
I'd like to download an image that was uploaded to S3 using carrierwave. The image is on the Card model, mounted as an uploader. I saw this answer, but had trouble getting that solution to work. My code is:
#download image from S3
uploader = card.image #image is the mounted uploader
uploader.retrieve_from_store!(File.basename(card.image.url))
uploader.cache_stored_file!
that last line throws: "... caused an exception (undefined method `body' for nil:NilClass)..."
My carrierwave config looks like:
#config/initializers/carrierwave.rb
CarrierWave.configure do |config|
config.storage = :fog
config.cache_dir = "#{Rails.root}/tmp/upload"
...
end
解决方案
Thanks apneadiving. It was as easy as:
image = MiniMagick::Image::open(card.image.to_s)
image.write(somepath)
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