1. 建三个类, 在一个类中引用其他两个类
- import javax.annotation.Resource;
- import org.springframework.beans.factory.annotation.Autowired;
- public class BookService {@Resource(name="bookDao")
- private BookDao bookDao;
- @Autowired
- private OrdersDao ordersDao;
- public void add(){
- System.out.println("BookService-------");
- bookDao.add1();
- ordersDao.add2();
- }
- }
- public class BookDao {
- public void add1(){
- System.out.println("BookDao--------");
- }
- }
- public class OrdersDao {
- public void add2(){
- System.out.println("OrdersDao-------");
- }
- }
2.xml 文件配置
- <context:component-scan base-package="com.example"></context:component-scan>
- <bean id="bookDao" class="com.example.spring.BookDao"></bean>
- <bean id="ordersDao" class="com.example.spring.OrdersDao"></bean>
- <bean id="bookService" class="com.example.spring.BookService"></bean>
来源: http://www.bubuko.com/infodetail-2546045.html