【摘要】 通过在电子商务中创建合同 ,叙述了如何在三层结构设计基础上利用 java技术进行层次的细分 ,提出了八层设计结构 ,同时 ,叙述了项目管理人员根据划分的结构如何管理项目开发 .列出了部分源代码帮助理解如何开发电子商务中的商务逻辑和实体更多还原

【Abstract】 Stated how to make further layouts on the base of three layout structured design’s model by using JAVA technology in signing a contract in an e Business and drew the conclusion of eight layout structure model, at the same time. Clarified how to manage to develop the project according to the eight layout model. Listed part of original code to help understand how to develop the Business Logic class and Entity Class in making e Business.更多还原