Rails3的errors.add_to_base版本是什么? [英] What is the Rails3 version of errors.add_to_base?

问题描述

我想在Rails 3中编写自定义验证，但遵循

I want to write a custom validation in Rails 3, but following this example I get:

'ActiveModel::DeprecatedErrorMethods.add_to_base' call is deprecated in Rails 3.0

什么是rails3版本:

What is the rails3 version of:

def validate
   errors.add_to_base "If you are attaching a file you must enter a label for it" if !attachment.blank? and attachment_label.blank?
end

推荐答案

这应该在rails 3.1.3中起作用:

This should work in rails 3.1.3:

errors.add :base, "message"

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