【摘要】 三层架构作为中小型企业管理信息系统(Management Information System,MIS)的主流开发架构。存在对象模型和关系模型之间的"阻抗不匹配"问题,为了解决该问题,提出了在三层架构的基础上引入对象/关系映射(Object/Relational Mapping,ORM)层的解决方案,并给出了方案实施中数据持久层架构的建模和设计的关键技术和方法。更多还原

【Abstract】 Three-layer system architecture as small and medium-sized enterprise management information system development framework for the mainstream. The existence of object model and relational model between the "impedance mismatch" problem,In order to solve the problem,proposed three-layer architecture in the basis of the introduction of object / relational mapping layer solution,and the implementation of the solution are given in the data persistence layer framework for modeling and design of key technologies and methods.更多还原