【摘要】 讲述第三方物流业务及其特点,分析两层和三层体系结构,介绍了一种新的四层体系结构,并描述一个基于该体系结构的第三方物流平台的应用模型,采用J2EE架构的EJB组件技术,对该模型的中间层,即业务逻辑模块的封装和实现进行详细的论述.更多还原

【Abstract】 Third-Party Logistics operation and its characteristics were discussed,according to 2-Tier and 3-Tier architectures,a new 4-Tier architecture,an Third-Party Logistics platform application based on it,and packages and implements of business logic using EJB component based on J2EE architect were introduced.更多还原