package com.team.model;public class User {private String username;private String password;public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}}

package com.team.dao;import com.team.model.User;public interface UserDAO {
public void print();
}

package com.team.dao;import org.springframework.stereotype.Component;import com.team.model.User;@Component("u")
public class UserDAOImpl implements UserDAO{@Overridepublic void print() {System.out.println("auto");}}

package com.team.service;import com.team.model.User;public interface UserService {public void add();}

package com.team.service;import javax.annotation.Resource;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;import com.team.dao.UserDAO;
import com.team.model.User;@Component("userService")
public class UserServiceImpl implements UserService{private UserDAO userDAO;public UserDAO getUserDAO() {return userDAO;}@Resource(name="u")public void setUserDAO(UserDAO userDAO) {this.userDAO = userDAO;}public void add(){userDAO.print();}
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-2.5.xsd         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd"><context:annotation-config/><context:component-scan base-package="com.team"></context:component-scan></beans>

package com.team.service;import static org.junit.Assert.*;import org.junit.Test;
import org.omg.CORBA.portable.ApplicationException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;public class UserServiceTest {@Testpublic void testAdd() {ApplicationContext ap=new ClassPathXmlApplicationContext("beans.xml");UserService u=(UserService) ap.getBean("userService");u.add();}}