Spring3.0新特性（一）
1、Jnit4测试
第一种测试：

@ContextConfiguration("classpath:beans.xml")public class UserDAOTest extends AbstractJUnit4SpringContextTests{@Resource(name="userDAO")private UserDAO userDAO;@Testpublic void testSave() {this.userDAO.save(new User());}}

 @Test  public void findFriend(){    ApplicationContext beanFactory=new ClassPathXmlApplicationContext("beans.xml");      FriendUserService friendUserService=(FriendUserService)beanFactory.getBean("FriendUserService");      UserFindDto userFindDto;          }