I'd like to ask some questions about the best practice of implementing a java web. In a java web application, we split it into different layers: view layer, service layer, DAO layer, and we have some data model for those layers(according to alibaba's java developing manuals):
- DO: correspond to data structure in database, used to transfer from DAO layer to service layer
- BO: business object, transferred from service layer to view layer
- VO: view object, exposed to rendering engine by view layer
Then I am confused about how to organize the data model for the request going through view layer, service layer and DAO layer, do you have any suggestions?
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