Spring课程 Spring入门篇 3-3 Spring bean装配（上）之aware接口

本节主要介绍了以下内容：

1　　　　aware介绍

2　　　　代码演练

3　　　　课程总结

1　　　　aware介绍

2　　　　代码演练

2.1　　applicationContextAware（获取applicationContext）

2.2　　beanNameAware（获取xml配置中的beanname)

实体类：

package com.imooc.aware;

import org.springframework.beans.factory.BeanNameAware;

public class MoocBeanName implements BeanNameAware{

    @Override
    public void setBeanName(String arg0) {
        // TODO Auto-generated method stub
        System.out.println("beanName为"+arg0);
    }

}

xml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" 
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">

<bean id="moocBeanName" class="com.imooc.aware.MoocBeanName"></bean> 



</beans>

测试类：

package com.imooc.test.aware;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.BlockJUnit4ClassRunner;

import com.imooc.test.base.UnitTestBase;

@RunWith(BlockJUnit4ClassRunner.class)
public class TestAware extends UnitTestBase{

    public TestAware() {
        super("classpath:spring-aware.xml");
    }
    
    
  //测试BeanNameAware
    @Test
    public void testMoocBeanName(){
        
    }
}

打印结果：

二月 27, 2019 7:17:55 上午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh
信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@2e9a6f43: startup date [Wed Feb 27 07:17:55 CST 2019]; root of context hierarchy
二月 27, 2019 7:17:55 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [spring-aware.xml]
beanName==moocBeanName
二月 27, 2019 7:17:56 上午 org.springframework.context.support.ClassPathXmlApplicationContext doClose
信息: Closing org.springframework.context.support.ClassPathXmlApplicationContext@2e9a6f43: startup date [Wed Feb 27 07:17:55 CST 2019]; root of context hierarchy

2.3　　对比

3　　　　课程总结