ssh框架 求BaseDao代码
刚刚开始搭建架构.以前代码没有带.求BaseDao代码以做参考!今天下午没人回.我自己来回复
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搭建 架构
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可以考虑自己写哈,那个什么BaseDao也是别人写的,只是封装了一些常用的方法而已。
如果实在需要可以考虑用Hibernate自带的HibernateTemplate类或者HibernateSupportDao类,不知道类名有没有拼错!有段时间没用Hibernate了。
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哎。。弄出来了
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package com.cls.dao;
public interface BaseDao<T,S> {
public void save(T entity);
public void deleteById(S PK);
public void delete(T entity);
public void update(T entity);
public T findById(S PK);
}
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package com.cls.daoimpl;
import java.io.Serializable;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.classic.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import sun.security.action.GetBooleanAction;
import com.cls.dao.BaseDao;
public class BaseDaoImpl<T, S extends Serializable> implements BaseDao<T, S> {
protected Class entityClass;
private SessionFactory sessionFactory;
ApplicationContext apc = new FileSystemXmlApplicationContext(
"/WEB-INF/classes/applicationContext.xml");
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = (SessionFactory) apc.getBean("sessionFactory");
}
public void delete(T entity) {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
session.delete(entity);
session.close();
tx.commit();
}
public void deleteById(S PK) {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
T t = (T) session.get(this.entityClass, PK);
session.delete(t);
tx.commit();
}
public T findById(S PK) {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
T t = (T) session.get(this.entityClass, PK);
return t;
}
public void save(T entity) {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
session.save(entity);
tx.commit();
}
public void update(T entity) {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
session.update(entity);
tx.commit();
}
}
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你这个BaseDao功能挺少的。。。
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