我有一个称为“图表”的模型,每个图象都属于一个称为“书”的模型,图形模式有1个风格,我想增加一个称为“dealer_logo”的2个模型:
:thumb => [ 75x75>],
:dealer_logo => [ 200x45> , :jpg], :if => Proc.new {|file| Book.find(self.book_id).origin_id == 33}
我只想让经销商——博客风格产生,但是如果《书》的面面面价值等于33,但我不能把上述法典付诸行动。
谁能给我一点点?
增 编
You ll need to use a custom processor: https://github.com/thoughtbot/paperclip/blob/master/lib/paperclip/processor.rb
通过界定纸浆子:Processor,你可以在所附档案上进行你想要的处理。 贵铁路局的校准/纸面记录中的任何档案都自动装上纸张,使您能够方便地界定海关处理器。 您可以具体指明一个处理器:处理器选择有:
has_attached_file :scan, :styles => { :text => { :quality => :better } },
:processors => [:ocr]
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