【摘要】 分析了Web应用的三层体系结构阻碍了电子商务发展的因素。阐述了利用Web服务技术的解决方法。构造了新的Web服务数据库三层体系结构 ,即数据层、逻辑层、表示层。在部署上数据层对应DatabaseServer ,逻辑层对应WebServices ,表示层对应WebServicesClient。并以Inter net网上英语考试系统为背景 ,实现了此结构的全部功能更多还原

【Abstract】 This article analyzed the factors that affect the development of Electronic Business for the wse of three-level arehitecture in Wed Application.The solution meaures to the above by means of Web Services are expounded.A new three-level architecture of Web Services Database namely Data-level,Logic-Level and Show-level.In the deployment,Data-level was corresponding to Database Server,Logic-level was corresponding to Web Services and Show-level was corresponding to Web Services Client.And based on Internet English Test System,It implemented all the functions of this architecture are implemented.更多还原