Contents

# 一口价
module Trade
  module Model::PromoteCharge::FinalPromoteCharge

    # 返回原价与一口价之间的差，负数。
    def final_price(amount)
      -(amount - parameter)
    end

  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rails_trade-0.0.3	app/models/trade/model/promote_charge/final_promote_charge.rb