userdelegate.java

此程序是有关hibernate多对多例子的完整实例

package org.egplat.well.delegate;

import java.util.Set;

import org.apache.log4j.Logger;
import org.egplat.hibernate.dao.UserDao;
import org.egplat.hibernate.db.HibernateSessionFactory;
import org.egplat.hibernate.po.Duty;
import org.egplat.hibernate.po.User;
import org.hibernate.Session;

public class UserDelegate {
	private static Logger log = Logger.getLogger(UserDelegate.class);
	
	public static void main(String[] args) {
		UserDao ud = new UserDao();
		//ud.save2();
		//ud.upd2();
		ud.del2();
		HibernateSessionFactory.closeSession();
	}
	
	public static void main4(String[] args) {
		UserDao ud = new UserDao();
		Session s = HibernateSessionFactory.getSession();
		User u = (User)s.get(User.class,1);
		ud.delete(u);
		HibernateSessionFactory.closeSession();
	}
	
	public static void main3(String[] args) {
		UserDao ud = new UserDao();
		Session s = HibernateSessionFactory.getSession();
		User u = (User)s.get(User.class,1);
		u.setPwd("123");
		u.setUname("王五");
		ud.update(u);
		HibernateSessionFactory.closeSession();
	}
	
	public static void main2(String[] args) {
		UserDao ud = new UserDao();
		User u = new User();
		u.setPk1(4);
		u.setPwd("123");
		u.setUname("李四");
		ud.save(u);
		HibernateSessionFactory.closeSession();
	}
	
	public static void main1(String[] args) {
		UserDao ud = new UserDao();
		User u = (User)ud.findByPk(1);
		log.error(u.getUname());
		Set<Duty> set = u.getDuties();
		for(Duty d: set) {
			log.error(d.getDutyname());
		}
		HibernateSessionFactory.closeSession();
	}
}