ssh框架求BaseDao代码

#2

HarrisonWang2011-04-07 22:33

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。

#3

蓝色石头2011-04-08 15:50

哎。。弄出来了
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
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);
}
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
package com.cls.daoimpl;

import

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();
        ();
    }

    public void deleteById(S PK) {
        Session session = sessionFactory.openSession();
        Transaction tx = session.beginTransaction();
        T t = (T) session.get(this.entityClass, PK);
        session.delete(t);
        ();
    }

    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);
        ();
    }

    public void update(T entity) {
        Session session = sessionFactory.openSession();
        Transaction tx = session.beginTransaction();
        session.update(entity);
        ();
    }

}
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝

#4

HarrisonWang2011-04-08 18:26

你这个BaseDao功能挺少的。。。

ssh框架 求BaseDao代码