基于客户端MVC模式的RIA WebGIS框架设计与应用

DESIGN AND APPLICATION OF RIA WEBGIS FRAMEWORK BASED ON CLIENT-SIDE MVC

WebGIS与RIA(Rich Internet Applications)技术的结合,可以提高系统的交互性和用户体验。但目前,缺乏一个RIA WebGIS下的MVC体系结构,对客户端系统进行MVC模式分层。在研究WebGIS的技术特点,分析现有RIAMVC框架的基础上,提出一种面向前端MVC的RIA WebGIS四层框架,并对该框架的模型层次和关键技术进行了剖析。最后将此框架应用于原型系统,验证了该框架的高效性和可扩展性。

The combination of WebGIS and RIA（Rich Internet Applications） technology can improve system interactivity and user experience.However there lacks an MVC architecture for RIA WebGIS to hierarchize the client system.Based on the research on technological features of WebGIS and analysis on the present RIA MVC framework,the authors propose a four-tier RIA WebGIS framework orienting front-end MVC and dissection its model hierarchy and essential technologies.Experiments with the prototype prove that the application of the framework is both efficient and expandable.