我想在验证消息中看不到有效值.
validates_uniqueness_of :event, :scope => :user_id
结果:"已经采取了标题"我想:"#{user}已经采取了#{event}事件"
我正在尝试这样做,发髻不工作:
validates_uniqueness_of :event, :scope => :user_id, :message=>"#{self.event} already has been taken by #{self.user}"