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为提高水调系统数据访问效率,设计和实现了一种数据库中间件,以此屏蔽了水调应用软件复杂的数据访问过程。文中介绍了该中间件的体系结构,阐述了实现过程中应用的关键技术(数据库连接池、多线程、ODBC/UNIX ODBC、存储顺序转换),并给出了此软件在三峡水库调度系统中的应用实例。
To improve the data access efficiency of water transfer system, a kind of database middleware is designed and implemented to shield the complicated data access process of water transfer software. This paper introduces the architecture of the middleware, describes the key technologies (database connection pooling, multi-threading, ODBC / UNIX ODBC, storage order conversion) used in the process of implementation and gives the software in the Three Gorges Reservoir dispatching system Applications.