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class User < ActiveRecord::Base
validates_each :name, :email do |model, attr, value|
if value =~ /groucho|harpo|chico/i
model.errors.add(attr, "You can't be serious, #{value}")
end
end
end
困惑,这是如何工作的。帮助理解validates_each Rails帮手
是:名称,电子邮件的项目将循环?