unidom-order 2.0

Unidom (UNIfied Domain Object Model) is a series of domain model engines. The Order domain model engine includes Order, Order Item, and Order Adjustment models. Unidom (统一领域对象模型)是一系列的领域模型引擎。订单领域模型引擎包括订单、订单项和订单调整的模型。