中文摘要：

详细研究了分布式多级道路网的最优路径服务应用系统的设计思想、数据集成方式、服务端和客户端的制定,以及工作流程的表达等,提出一套较为完善的设计方案。从应用实例分析可知,多级道路网的最优路径服务系统是可行的,且路径分析效率较高,能够切实解决大区域道路网路径分析服务的集成与应用问题。

英文摘要：

This paper discusses the design of the optimal path Web services system in multi-level road network,the way of the data integration,the structure of the systems＇ server and client,and the expression of the workflow in system.A set of perfect design proposals is proposed.The application example is implemented to prove the rationality and efficiency of this Web services system,and it can practically solve the application question for the wide range road network analysis.