How to apply iBATIS DAO framework

This article shows you how to apply iBATIS DAO framework. The content is concise and easy to understand. It will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

The application of iBATIS DAO framework I.

Preparatory work

1. You can download http://apache.etoak.com/ibatis/binaries/ibatis.java/iBATIS_DAO-2.2.0.638.zip here

two。 First, write the DAO layer interface and the implementation class: the specific class method is omitted, mainly because the implementation class needs to inherit

Com.ibatis.dao.client.template.SqlMapDaoTemplate class

Java code

Package datamigrate; import datamigrate.TCommGuestbook0; import datamigrate.TCommGuestbook0Example; import java.util.List; public interface TCommGuestbook0DAO {int countByExample (TCommGuestbook0Example example);}

Java code

Package datamigrate; import com.ibatis.dao.client.DaoManager; import com.ibatis.dao.client.template.SqlMapDaoTemplate; import datamigrate.TCommGuestbook0; import datamigrate.TCommGuestbook0Example; import java.util.List; public class TCommGuestbook0DAOImpl extends SqlMapDaoTemplate implements TCommGuestbook0DAO {public TCommGuestbook0DAOImpl (DaoManager daoManager) {super (daoManager) Public int countByExample (TCommGuestbook0Example example) {Integer count = (Integer) queryForObject ("t_comm_guestbook_0.ibatorgenerated_countByExample", example); return count;}}

IBATIS DAO framework applications II.

Start the experience of iBATIS DAO framework

1. Configure dao.xml-The Configuration File (http://ibatis.apache.org/dtd/dao-2.dtd)

Xml code

< daoConfig >