Spring @Autowired 注释

Spring学习目录

知识要点

       <bean id="k" class="dd.K"></bean>
       <bean id="mSub" class="dd.KSub"></bean>
       <bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor"/>

@Autowired
    public void setmSub(KSub mSub) {
        this.mSub = mSub;
    }

  

package dd;
import org.springframework.beans.factory.annotation.Autowired;

public class K {
	private KSub mSub;
	public KSub getmSub() {
		return mSub;
	}
	@Autowired
	public void setmSub(KSub mSub) {
		this.mSub = mSub;
	}
	public void print() {
		mSub.print();
	}
}

package dd;

public class KSub {
	public void print() {
		System.out.println("KSub 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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
        <bean id="k" class="dd.K"></bean>
   	<bean id="mSub" class="dd.KSub"></bean>
   	<bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor"/>
</beans>

package dd;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class T {
	public static void main(String[] args) {
             //Spring @Autowired 注释
	    System.out.println("Spring @Autowired 注释");
	    K k = (K)context.getBean("k");
	    k.print();
	}
}