This thesis use data access object design pattern to obtain an abstraction separating business layer from persistent layer and use DTO design pattern to implement a JDBC-based framework.

• 因此,本文首先采用数据访问对象模式抽象对持久层的访问,并在此基础上运用DTO(Data Transfer Obiect)数据访问方式,给出了基于JDBC的持久层框架设计。