【摘要】 介绍了基于构件技术的多层WebGIS架构,提出了一个五层的与平台无关的构件式WebGIS模型。该模型具有良好的弹性和伸缩性,避免了传统开发带来的维护升级问题。本文还讨论了系统各层的实现技术。更多还原

【Abstract】 The article introduces the architecture of mufti-tiered WebGIS based on component,and proposes a 5-tiered WebGIS architecture model which is independed on the platform.The model has favorable flexibility and good retractility,and avoid many problems of maintenance and upgrade generally caused by traditional development.The article also describes the implementation of the multi-tier.更多还原