Ruby-on-rails Rails 3 - 临时文件路径？
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Rails 3 - Tempfile Path?
提问by AnApprentice
I have the following:
我有以下几点：
attachments.each do |a|
Rails.logger.info a.filename
tempfile = Tempfile.new("#{a.filename}", "#{Rails.root.to_s}/tmp/")
Rails.logger.info tempfile.path
end
Where attachments is from paperclip.
附件来自回形针。
Here's the output:
这是输出：
billgates.jpg
/Users/bhellman/Sites/cline/tmp/billgates.jpg20101204-17402-of0u9o-0
Why is the file name getting 20101204-17402-of0u9o-0appended to at the end? That's breaking everything with paperclip etc. Anyone seen this before? For the life of I have no idea what's doing it?
为什么文件名被20101204-17402-of0u9o-0附加到最后？用回形针等打破了一切。有人见过这个吗？我这辈子都不知道是干什么的？
Thanks
谢谢
UPDATEPaperclip: Paperclip on github
更新回形针：github 上的回形针
a is the attachment file
a是附件文件
tempfile = Tempfile.new("#{a.filename}", "#{Rails.root.to_s}/tmp/")
tempfile << a.body
tempfile.puts
attachments.build(
:attachment => File.open(tempfile.path)
)
回答by andistuder
best make sure your tempfile has the correct extension, saving you to trying and change it after:
最好确保您的临时文件具有正确的扩展名，以免您在以下情况下尝试和更改它：
file = Tempfile.new(['hello', '.jpg'])
file.path # => something like: "/tmp/hello2843-8392-92849382--0.jpg"
file = Tempfile.new(['你好', '.jpg'])
file.path # => 类似：“/tmp/hello2843-8392-92849382--0.jpg”
more here: http://apidock.com/ruby/v1_9_3_125/Tempfile/new/class
回答by drummondj
The first argument for Tempfile.new is just a basename. To make sure each Tempfile is unique the characters are appended to the end of the file.
Tempfile.new 的第一个参数只是一个基本名称。为确保每个 Tempfile 都是唯一的，将字符附加到文件末尾。
回答by yfeldblum
You should use Paperclip's API for this:
您应该为此使用 Paperclip 的 API：
tempfiles = []
attachments.each do |a|
# use Attachment#to_file to get a :filesystem => file, :s3 => tempfile
tempfiles << a.to_file
end
tempfiles.each do |tf|
Rails.logger.debug tf.filename
end
回答by yfeldblum
attachment = attachments.build(
:attachment => File.open(tempfile.path)
)
# change the displayed file name stored in the db record here
attachment.attachment_file_name = a.filename # or whatever else you like
attachment.save!
回答by Chris Nolet
The best way I found to deal with this was to specify the file extension in the Paperclip attribute. For example:
我发现处理这个问题的最好方法是在 Paperclip 属性中指定文件扩展名。例如：
has_attached_file :picture,
:url => "/system/:hash.jpg",
:hash_secret => "long_secret_string",
:storage => :s3,
:s3_credentials => "#{Rails.root}/config/s3.yml"
Note that the :url is declared as '.jpg' rather than the traditional .:extension.
请注意：url 被声明为“.jpg”而不是传统的 .jpg .:extension。
Good luck!
祝你好运！
