departmenthibernatedao.java

Struts + Hibernate框架

package net.learntechnology.struts2demo.persistence;

import java.util.Iterator;
import java.util.List;
import net.learntechnology.struts2demo.vo.Department;
import org.hibernate.HibernateException;
import org.hibernate.Session;

public class DepartmentHibernateDao implements DepartmentDao {
	private List<Department> depList;

	public List getAllDepartments() {
		Session session = HibernateUtil.getSession();

		try {
			session.beginTransaction();
			depList = session.createQuery("from Department").list();
			return depList;
		} catch (HibernateException e) {
			throw e;
		} finally {
			session.close();
		}

	}


	/**
	 * @param args
	 */
	public static void main(String[] args) {
		DepartmentHibernateDao depDao = new DepartmentHibernateDao();
		List<Department> deps = depDao.getAllDepartments();
		for(Iterator<Department> i=deps.iterator();i.hasNext();){
			System.out.println(i.next().getName());
		}
	}

}