package cn.mf.b_test;import javax.annotation.Resource;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;import cn.mf.bean.User;//帮我们创建容器@RunWith(SpringJUnit4ClassRunner.class)//指定创建容器时使用哪个配置文件@ContextConfiguration("classpath:applicationContext.xml")public class Demo {    //将名为user的对象注入到u变量中    @Resource(name="user")    private User u;        @Test    public void fun1(){                System.out.println(u);            }        @Test    public void fun2(){                System.out.println(u);            }        @Test    public void fun3(){                System.out.println(u);            }}