SPring IOC 集合类注入 示例

package 集合类注入;

public class Some {

private String name;

public String getName() {

  return name;

}

public void setName(String name) {

  this.name = name;

}



public String toString(){

  return name;

}

}

package 集合类注入;

import java.util.List;

import java.util.Map;

public class SomeBean {

private String[] someStrArray;

private Some[] someObjArray;

private List someList;

private Map someMap;

public List getSomeList() {

  return someList;

}

public void setSomeList(List someList) {

  this.someList = someList;

}

public Map getSomeMap() {

  return someMap;

}

public void setSomeMap(Map someMap) {

  this.someMap = someMap;

}

public Some[] getSomeObjArray() {

  return someObjArray;

}

public void setSomeObjArray(Some[] someObjArray) {

  this.someObjArray = someObjArray;

}

public String[] getSomeStrArray() {

  return someStrArray;

}

public void setSomeStrArray(String[] someStrArray) {

  this.someStrArray = someStrArray;

}

}

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>

<bean id="some1" class="集合类注入.Some">

  <property name="name" value="tom"/>

</bean>

<bean id="some2" class="集合类注入.Some">

  <property name="name" value="joy"/>

</bean>

<bean id="someBean" class="集合类注入.SomeBean">

  <property name="someStrArray">

   <list>

    <value>Hello</value>

    <value>Welcome</value>

   </list>

  </property>

 

  <property name="someObjArray">

   <list>

    <ref bean="some1"/>

    <ref bean="some2"/>

   </list>

  </property>

  <property name="someList">

   <list>

    <value>hehehehe</value>

    <ref bean="some1"/>

    <ref bean="some2"/>

   </list>

  </property>

  <property name="someMap">

   <map>

    <entry key="MapTest">

     <value>Hello!TOM</value>

    </entry>

    <entry key="someKey1">

     <ref bean="some1"/>

    </entry>

   </map>

  </property>

</bean>

</beans>

package 集合类注入;

import java.util.Iterator;

import java.util.List;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

public class TestArray {

public static void main(String[] args){

  ApplicationContext context = new ClassPathXmlApplicationContext("集合类注入//bean-config.xml");

  SomeBean someBean = (SomeBean)context.getBean("someBean");

  String[] strs = someBean.getSomeStrArray();

  for(int i = 0; i < strs.length; i++){

   System.out.println(strs[i]);

  }

  List someList = someBean.getSomeList();

 

  for(Iterator it = someList.iterator(); it.hasNext();){

   System.out.println(it.next());

  }

}

}