摘要
本文首先对数据访问层的结构及现实意义进行分析,剖析数据访问层设计步骤和方法,并以一个实例讲述数据访问层的设计过程,最后进行总结,比较数据访问层设计的优缺点。
The thesis first analyzes the structure of data access layer and practical meaning, lists steps and methods to design the mainstream data access layer and proposes the emphasis of data access layer at present; Then narrates the design process of data access layer with an example; Lastly summarizes the data access layer and compares the advantages and disadvantages of data access layer design.
出处
《现代计算机》
2006年第3期17-20,共4页
Modern Computer
关键词
数据访问层
中间件
封装
Data Access Layer
, Middleware
Encapsulation