【摘要】 基于V isua lB as ic平台,采用M apO b jects地理信息控件技术,设计研制了退耕还林工程县级信息管理系统。介绍了系统开发中的关键技术,包括系统开发方式和开发平台的确立、系统数据库的建立和系统功能模块的规划等。应用该系统实现了对历年的退耕还林工程县级数据的显示、查询、统计分析、结果输出等功能,经过实际数据验证,该系统查询分析简便、应用效果良好。更多还原

【Abstract】 The information management system of returning farmland to forest at the county,based on the Visual Basic and adopted the geographical information control technology of MapObjects,is designed and developed.This paper introduces the key techniques of development the system,including development way,the establishment of development platform,the building of Database and the design of function model.The system has realized many functions such as display,searching,statistic analysis and result output,and is simple in searching analysis.更多还原