注入依赖

//赋值注入
<?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-2.0.xsd">

   

    <bean id="school" class="ioc.iocSetter.School">

        <property name="id">

	        <value>10006</value>

	    </property>

	    <property name="name">

	        <value>BUAA</value>

	    </property>

    </bean>

    <bean id="student" class="ioc.iocSetter.Student">

	    <property name="id">

	        <value>101</value>

	    </property>

	    <property name="name">

	        <value>Bill</value>

	    </property>

	    <property name="school">

	        <ref bean="school"/>

	    </property>

	    <property name="courses">

	        <list>

	            <value>英语</value>

	            <value>物理</value>

	            <value>高等数学</value>

	            <value>软件工程</value>

	        </list>

	    </property>

    </bean>

</beans>

 

//测试
import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.xml.XmlBeanFactory;

import org.springframework.core.io.ClassPathResource;

public class GreetingMain {

	public static void main(String[] args) {

		//加载配置文件

		ClassPathResource resource = new ClassPathResource("ioc/iocSample/beans.xml");

		//根据配置文件构造BeanFactory对象

		BeanFactory factory = new XmlBeanFactory(resource);

		//取得提供具体业务逻辑的Java Bean

		Action action = (Action)factory.getBean("greet");

		//调用Java Bean中的具体方法

		action.greet();

	}

} 

 

//构造器注入
<?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-2.0.xsd">

    <bean id="school" class="ioc.iocConstructor.School">

        <property name="id">

	        <value>10006</value>

	    </property>

	    <property name="name">

	        <value>BUAA</value>

	    </property>

    </bean>

    <bean id="student" class="ioc.iocConstructor.Student">

        <constructor-arg index="0">

            <value>101</value>

        </constructor-arg>

        <constructor-arg index="1">

            <value>Bill</value>

        </constructor-arg>

	    <constructor-arg index="2">

           <list>

	            <value>英语</value>

	            <value>物理</value>

	            <value>高等数学</value>

	            <value>软件工程</value>

	        </list>

        </constructor-arg>

        <constructor-arg index="3">

            <ref bean="school"/>

        </constructor-arg>

    </bean>

</beans>