Research and implementation for Objct/Relation mechanism

Aimed at the storing contradiction that existed between the persistence object and the relational database, it was researched some methods of Object/Relation Mapping and its mechanism , proposed and implemented a frame of O/R Mapping. Such frame supports O/R Mapping, with which an application programmer could store objects in uniform and object-oriented method without concerning about how to implement on the bottom relational database, and it was improved the developing efficiency greatly.