public class BasicDAOImpl extends HibernateDaoSupport implements BasicDAO{
    
     
    public List findByHql(String hql)throws DataAccessException{
     System.out.println("1111111111111"+getHibernateTemplate());
     List list = new ArrayList();
      list = getHibernateTemplate().find(hql);
     return list;
    } 

   public static void main(String[] args){
         ApplicationContext context = new ClassPathXmlApplicationContext(
        "applicationContext.xml");
         BasicDAO dao= (BasicDAO )context.getBean("basicDAO");  

         BasicDAO dao= new BasicDAO（）;       
         List list = dao.findByHql("");
         System.out.println("ffffffffffffffff"+list.size());
    }   
}

說(shuō)明：如果紅色部分注釋掉改用綠色部分的話，則getHibernateTemplate（）為空，原因：

      （1）HibernateDaoSupport 需要注入SessionFactory對(duì)象

      （2）new 一個(gè)新對(duì)象，并沒(méi)有注入SessionFactory對(duì)象，因此你應(yīng)該從spring容器中去獲取對(duì)象