Spring-ioc,注解方式

接口

package com.guigu.g_annotion.a_ioc;

public interface BookService {
public void add();
}

==========================================================

实现类

package com.guigu.g_annotion.a_ioc;

import org.springframework.stereotype.Component;

@Component("bookService")
public class BookServiceImpl implements BookService {
   @Override
   public void add() {
       System.out.println("ahdd");
   }
}

============================================================

测试类

package com.guigu.g_annotion.a_ioc;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class iocTest {

   @Test
   public void demo1(){
       ApplicationContext a = new ClassPathXmlApplicationContext("com/guigu/g_annotion/a_ioc/beans.xml");
       BookService bean = a.getBean("bookService",BookService.class);
       bean.add();
   }
}

===========================================================

配置文件

<?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/beans
                              http://www.springframework.org/schema/beans/spring-beans.xsd
                              http://www.springframework.org/schema/context
                              http://www.springframework.org/schema/context/spring-context.xsd
                              http://www.springframework.org/schema/tx
                              http://www.springframework.org/schema/tx/spring-tx.xsd">

   
   <context:component-scan base-package="*"></context:component-scan>
</beans>

Spring-ioc,注解方式

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