Spring的XML自动装配基于ByType实现-----Spring框架

红太狼 2024-03-23 18:42 42阅读 0赞

>     <?xml version="1.0" encoding="UTF-8"?>
>     <beans xmlns="http://www.springframework.org/schema/beans"
>            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>            xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
>     
>     
>     
>         <bean id="userDao" class="com.powernode.spring6.dao.UserDao"/>
>         <bean id="vipDao" class="com.powernode.spring6.dao.VipDao"/>
>         <bean id="customerService" class="com.powernode.spring6.service.CustomerService" autowire="byType">
>     
>     
>         </bean>
>     
>     
>     
>     
>     
>         <bean id="orderService" class="com.powernode.spring6.service.OrderService" autowire="byName">
>         </bean>
>             <bean id="orderDao" class="com.powernode.spring6.dao.OrderDao"></bean>
>     
>     
>     
>     
>     
>     
>     </beans>
> 
> <?xml version="1.0" encoding="UTF-8"?>  
> <beans xmlns="http://www.springframework.org/schema/beans"  
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
> xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">  
>   
>   
>   
> <bean id="userDao" class="com.powernode.spring6.dao.UserDao"/>  
> <bean id="vipDao" class="com.powernode.spring6.dao.VipDao"/>  
> <bean id="customerService" class="com.powernode.spring6.service.CustomerService" autowire="byType">  
>   
>   
> </bean>  
>   
>   
>   
>   
>   
> <bean id="orderService" class="com.powernode.spring6.service.OrderService" autowire="byName">  
> </bean>  
> <bean id="orderDao" class="com.powernode.spring6.dao.OrderDao"></bean>  
>   
>   
>   
>   
>   
>   
> </beans>

>     package com.powernode.spring6.dao;
>     
>     import org.slf4j.Logger;
>     import org.slf4j.LoggerFactory;
>     
>     public class UserDao implements Dao
>     {
>         private static final Logger logger = LoggerFactory.getLogger(UserDao.class);
>         public void insert()
>         {
>             System.out.println("数据库正在保存用户信息");
>             //使用Log4j2日志框架
>             logger.info("数据库正在保存用户信息");
>         }
>     }
> 
> package com.powernode.spring6.dao;  
>   
> import org.slf4j.Logger;  
> import org.slf4j.LoggerFactory;  
>   
> public class UserDao implements Dao  
> \{  
> private static final Logger logger = LoggerFactory.getLogger(UserDao.class);  
> public void insert()  
> \{  
> System.out.println("数据库正在保存用户信息");  
> //使用Log4j2日志框架  
> logger.info("数据库正在保存用户信息");  
> \}  
> \}

>     package com.powernode.spring6.dao;
>     
>     import org.slf4j.Logger;
>     import org.slf4j.LoggerFactory;
>     
>     public class VipDao implements Dao
>     {
>         private static final Logger logger = LoggerFactory.getLogger(UserDao.class);
>         public void insert()
>         {
>             logger.info("正在保存VIP信息");
>         }
>     }
> 
> package com.powernode.spring6.dao;  
>   
> import org.slf4j.Logger;  
> import org.slf4j.LoggerFactory;  
>   
> public class VipDao implements Dao  
> \{  
> private static final Logger logger = LoggerFactory.getLogger(UserDao.class);  
> public void insert()  
> \{  
> logger.info("正在保存VIP信息");  
> \}  
> \}

>     @Test
>         public void TestAutoWire()
>         {
>             ApplicationContext applicationContext = new ClassPathXmlApplicationContext("Spring-autoWire.xml");
>             OrderService orderService = applicationContext.getBean("orderService", OrderService.class);
>             orderService.generate();
>             CustomerService customerService = applicationContext.getBean("customerService", CustomerService.class);
>             customerService.save();
>         }
> 
> @Test  
> public void TestAutoWire()  
> \{  
> ApplicationContext applicationContext = new ClassPathXmlApplicationContext("Spring-autoWire.xml");  
> OrderService orderService = applicationContext.getBean("orderService", OrderService.class);  
> orderService.generate();  
> CustomerService customerService = applicationContext.getBean("customerService", CustomerService.class);  
> customerService.save();  
> \}