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我需要通过 mongoid-paperclip 上传一些大型 CSV 文件，但出现错误 Uploaded file2 my_file has an extension that does not match its contents。在终端中，我可以看到这个错误是 [paperclip] Content Type Spoof: my_file.csv (["text/csv", "text/comma-separated-values"]), content type discovered from file command: application/octet-stream. See documentation to allow this combination.好的，我将验证设置为do_not_validate_attachment_file_type :my_file它没有帮助同样的错误。在application.rb我添加这一行

Paperclip.options[:content_type_mappings] = { jpeg: 'image/jpeg', jpg: 'image/jpeg' }

然后改成这个

Paperclip.options[:content_type_mappings] = { csv: 'text/csv'}

它也没有帮助，同样的错误 Uploaded file2 my_file has an extension that does not match its contents。然后我将验证更改为 validates_attachment_content_type :my_file, :content_type => 'text/csv' 它也没有帮助。然后我发现有人建议这样做

`require 'paperclip/media_type_spoof_detector'         
module Paperclip         
 class MediaTypeSpoofDetector        
    def spoofed?         
      false       
    end       
  end        
end

但是我应该在哪里做呢？在哪个文件中？在哪个目录？（我使用的是 rails 4.0）如果有人知道如何解决这个错误，请告诉我！谢谢！`

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1 回答 1

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最后！这对我有帮助！！！

#config/initilizers/paperclip.rb
require 'paperclip/media_type_spoof_detector'
module Paperclip
  class MediaTypeSpoofDetector
    def spoofed?
      false
    end
  end
end
于 2014-10-02T13:25:14.147 回答