Web服务技术代表了分布式计算的下一个阶段,在现在以及今后的日子,它将对各个组织产生深远的影响。本论文首先全面介绍了Web服务的概念体系结构,然后深入分析了Web服务的关键技术,最后通过整合一个电子商务在线购物车到现有系统的实例,深入研究了用Web服务技术建立高度灵活,可重用和可集成的现代电子商务应用系统的体系结构解决方案。 Web services technology represents the next stage in distributed computing, and will have far-reaching implications for organizations, both now and in the days to come. This dissertation first introduces the concept architecture of Web Services in detail, and then analyzes the key technologies of Web Services in depth. Finally, by integrating an online shopping cart into an existing system instance, this paper studies how to use Web Services technology to establish a highly flexible, Reusable and integrated modern e-commerce application system architecture solutions.