三层C/S架构在城市地质环境信息系统中的应用——以浙江省义乌市城市地质环境信息系统为例
2007
This paper discusses the character, strongpoint and shortcoming of traditional C/S structure, B/S structure and three-tiered C/S structure, and describes the essential and the advantage of using three-tiered C/S structure in City-Geology Information System. In the paper, the three layers of three-tiered C/S structure is introduced, including: Data Access Layer, Business Layer and User Interface Layer, and each layer's responsibility and the communication theory is listed, too. Yiwu City-Geology Information Environment System is taken for example and the implementing method combining three-tiered C/S structure, object-oriented technology with component technology is shown. From different views of analysis, modeling, design and coding prove the feasibility of three-tiered C/S structure application in City-Geology Environment Information System.
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