【摘要】 本文主要以J2EE技术为背景,介绍了J2EE的基本思想及体系结构,讨论了如何将该体系应用于某大型新闻社图片图表综合系统的更新改造当中;同时,结合该系统的需求,论述了以中间件逻辑层为核心的J2EE三层体系结构在系统设计中的体现及运用,并对系统的实现作了进一步的介绍.更多还原

【Abstract】 This paper focuses on J2EE and describes the principles and structures of J2EE. It discusses how to apply J2EE to the Photo and Diagram Management System of XinHua News Agency. At the same time, in order to meet the needs of the system renewal, the paper also demonstrates the embodiment and application of 3-tier structure which is focused on middleware. It also gives some details of the developing process.更多还原