Spring类路径扫描注入Bean

 

package com.astute.sparrow.spring.ioc.method_injection;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;

@Component("a")
public class A {
	@Autowired
	@Qualifier("b")
	private B b;

	public B getB() {
		return b;
	}

	public void setB(B b) {
		this.b = b;
	}

}

package com.astute.sparrow.spring.ioc.method_injection;

import org.springframework.stereotype.Component;

@Component("b")
@Scope("prototype")
public class B {

}

 

package com.astute.sparrow.spring.ioc.method_injection;

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

public class TestBeanFactoryViaClasspathScan {
	
	public static void main(String[] args) {
		ApplicationContext factory = new ClassPathXmlApplicationContext("com/astute/sparrow/spring/ioc/method_injection/spring-classpath-scan.xml");
		A a = (A) factory.getBean("a");
		System.out.println(a.getB());
		System.out.println(a.getB());
		System.out.println(a.getB());
		System.out.println(a.getB());
                System.out.println("========================");
		
		System.out.println(factory.getBean("b"));
		System.out.println(factory.getBean("b"));
		System.out.println(factory.getBean("b"));
		System.out.println(factory.getBean("b")); }
	
}

 

输出：

写道

com.astute.sparrow.spring.ioc.method_injection.B@1394894
com.astute.sparrow.spring.ioc.method_injection.B@1394894
com.astute.sparrow.spring.ioc.method_injection.B@1394894
com.astute.sparrow.spring.ioc.method_injection.B@1394894

========================
com.astute.sparrow.spring.ioc.method_injection.B@1b8f864
com.astute.sparrow.spring.ioc.method_injection.B@bb7759
com.astute.sparrow.spring.ioc.method_injection.B@1989f84
com.astute.sparrow.spring.ioc.method_injection.B@110c424