【摘要】 EJB是实现J2EE架构业务逻辑层商务功能的可重用组件。首先详细介绍了企业应用集成中的几个基本概念,如软件架构的多层C/S模式、J2EE架构、J2EE架构中的EJB组件等。给出了EJB组件的开发示例。最后指出用EJB组件实现J2EE架构中的业务逻辑层具有简单易行安全高效的特点。更多还原

【Abstract】 The logic transaction tier of J2EE is implemented by the reusable component of EJB.In this paper,some basic concepts dealing with enterprise integrated applications such as n-tier C/S mode,J2EE and EJB are first discussed in details.And the illustration of EJB development is given afterwards.Moreover the high efficiency,safety and readiness in the implementation of logic transaction tier by means of EJB components are pointed out finally.更多还原