validation_hints:验证提示

验证提示 提供源自模型验证的提示。 安装 gem 'validation_hints' 例子 class Person < ActiveRecord xss=removed> true validates :password , :length => { :within => 1 ... 5 } end Person . new . hints [ :name ] = > [ "can't be blank" ] Person . new . hints [ :password ] = > [ "must not be shorter than 1 characters" , "must not be longer than 4 characters" ] Person . new . hints . messages =