public static void main(String[] args) { 
    Session session = HibernateUtils.getSession(); 
    Transaction t = session.beginTransaction(); 
    try { 
      /** 
        * 测试插入数据 
        */        
/*      Player player1=new Player(); 
      player1.setName("姚明"); 
        
      Player player2=new Player(); 
      player2.setName("詹姆斯"); 
        
      Player player3=new Player(); 
      player3.setName("科比"); 
        
      Role role1=new Role(); 
      role1.setName("中锋"); 
      Set<Player> players1=new HashSet<Player>(); 
      players1.add(player1); 
      players1.add(player2); 
      role1.setPlayers(players1); 
        
      Role role2=new Role(); 
      role2.setName("后卫"); 
      Set<Player> players2=new HashSet<Player>(); 
      players2.add(player2); 
      players2.add(player3); 
      role2.setPlayers(players2); 
        
      session.save(role1); 
      session.save(role2);*/ 
        
      /** 
        * 测试加载数据 
        */ 
      Role role=(Role)session.load(Role.class, 4); 
      System.out.println(role); 
      for(Iterator<Player> players=role.getPlayers().iterator();players.hasNext();){ 
        System.out.println(players.next()); 
      } 
      t.commit(); 
    } catch (HibernateException e) { 
      e.printStackTrace(); 
      t.rollback(); 
    } finally { 
      HibernateUtils.closeSession(session); 
    } 
  } 
} 

     本文转自NightWolves 51CTO博客，原文链接：http://blog.51cto.com/yangfei520/276187，如需转载请自行联系原作者