Ruby on Rails Paperclip Image dimention validator
Question
Please help me to make validation for maximum width and height of image. I have tried like this.
validates :picture, dimensions: { width: 612, height: 792 }
But I got Unknown validator: 'DimensionsValidator' message.
Kind Regards.
1 answers
solution1
0 2017-02-09 12:38:46
确保已将gem'paperclip gem 'paperclip-dimension-validator'到Gemfile中
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