如何限制 Paperclip 只接受图像? [英] How can I restrict Paperclip to only accept images?

问题描述

如何限制 Paperclip 只接受图片?如果相关，我将使用 Amazon S3 进行存储.感谢阅读.

How can I restrict Paperclip to only accept images? I'm using Amazon S3 for storage if that's relevant. Thanks for reading.

推荐答案

Paperclip 具有诸如 validates_attachment_presence、validates_attachment_content_type 和 validates_attachment_size 等验证方法.

Paperclip has validation methods like validates_attachment_presence, validates_attachment_content_type, and validates_attachment_size.

所以你需要做的就是传递你想要作为附件的 mime 类型的图像:

So all you need to do is pass mime types of images you'd like to have as attachments:

validates_attachment_content_type 'image/png', 'image/jpg'

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