ssh框架关于hibernate中session关闭的问题
package dao.impl;

import java.util.Iterator;
import java.util.List;

import org.hibernate.Query;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.classic.Session;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.opensymphony.xwork2.ActionContext;

import dao.ManagerDAO;
import entity.Dh0103Staff;

public class ManagerDAOImpl extends HibernateDaoSupport implements ManagerDAO{
    public List<Dh0103Staff> findAll(int pagesize,int pagecur,String StaffNumber){   
     if(StaffNumber==null){    
     String hql = "from Dh0103Staff";   
         Query query = getSession().createQuery(hql); 
         query.setFirstResult((pagecur-1)*pagesize);
         query.setMaxResults(pagesize);
         List<Dh0103Staff> list = query.list(); 
         getSession().close();
                return list;       
     }
     else{    
     String hql = "from Dh0103Staff d where d.staffNumber like ?";   
         Query query = getSession().createQuery(hql); 
         query.setString(0, "%"+StaffNumber+"%");
         query.setFirstResult((pagecur-1)*pagesize);
         query.setMaxResults(pagesize);
         List<Dh0103Staff> list = query.list(); 
         getSession().close();
                return list;         
     }
     }  
    public int count(String staffNumber){    
     if(staffNumber==null){
     String hql = "select count(d.staffId) from Dh0103Staff d where d.staffStae=?";