• 只用jsp最原始的架构

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• jsp+DB+_Entity3_+Service的三层架构

• jsp+DB+_Entity3_+Service_Hibernate的3层架构

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• N层架构_+_Entity_+Service_Hibernate实现_DAO_Impl_

N层架构_+_Entity_+Service_Impl_Hibernate实现_DAO_Impl

• N层架构_+_Entity_+Service_Impl_Hibernate实现_DAO_Impl_Struts

• N层架构_+_Entity_+Service_Impl_Hibernate实现_DAO_Impl_Struts_Spring_1

• N层架构_+_Entity_+Service_Impl_Hibernate实现_DAO_Impl_Struts_Spring_1_DTO