Introduction - If you have any usage issues, please Google them yourself
PMIS-------- main program code
Layer, is responsible for application forms, user experience.
------- DALFactory----- Abstract Factory
Abstract factory for creating a variety of methods of data objects, there are configuration files and the use of reflection.
------- IDAL-------- data interface layer (control is to choose what type of database)
Data manipulation interface, data access layer to achieve its interface and rewrite it (embodied ideas for programming interface).
------- BLL------
Processing application s business logic layer to be called.
------- Model------- structure model (corresponding to database fields)
Model assembly, storage entity class for data access layer and logical layer calls
------- SQLServerDAL---- SQLServer data access layer
Data access layer, to achieve specific select, update, delete .... operation, rewritten IDAL interfaces.
------- OracleDAL---- Oracle Data Access Layer
Data access layer, to achieve specific select,