spring ioc 注入List/Map等

from: http://hi.baidu.com/winters1224/item/d5fe20bd873513afeaba9322

exactList是action裏的一個List<String>類型的變量。
   <property name="exactList">
    <list>
     <value>01</value>
     <value>02</value>
     <value>03</value>
     <value>04</value>
     <value>05</value>
     <value>06</value>
     <value>07</value>
     <value>08</value>
     <value>09</value>
     <value>34</value>
    </list>
   </property>

再附一個別人的例子

form： http://blog.sina.com.cn/s/blog_616dbe3d0100ei5s.html

1.--User類

package org.stelcomtech;

import java.util.List;
import java.util.Map;
import java.util.Set;

public class User {
private String username;

private int age;

private Home myHome;

private Home[] homes;

private List homesList;

private Set homesSet;

private Map homesMap;

public Home[] getHomes() {
return homes;
}

public void setHomes(Home[] homes) {
this.homes = homes;
}

public List getHomesList() {
return homesList;
}

public void setHomesList(List homesList) {
this.homesList = homesList;
}

public Map getHomesMap() {
return homesMap;
}

public void setHomesMap(Map homesMap) {
this.homesMap = homesMap;
}

public Set getHomesSet() {
return homesSet;
}

public void setHomesSet(Set homesSet) {
this.homesSet = homesSet;
}

public Home getMyHome() {
return myHome;
}

public void setMyHome(Home myHome) {
this.myHome = myHome;
}

public int getAge() {
return age;
}

public void setAge(int age) {
this.age = age;
}

public String getUsername() {
return username;
}

public void setUsername(String username) {
this.username = username;
}

}

2.---Home類

package org.stelcomtech;

public class Home {
private String homeAddr;

public String getHomeAddr() {
return homeAddr;
}

public void setHomeAddr(String homeAddr) {
this.homeAddr = homeAddr;
}

}

3.--測試類 MainTest

package org.stelcomtech;

import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

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

public class MainTest {
public static void main(String[]args){
ApplicationContext ac=new FileSystemXmlApplicationContext("org/stelcomtech/applicationContext.xml");
User user=(User)ac.getBean("userid");
Home[] homes=user.getHomes();
System.out.println("************數組注入***************");
for(int i=0;i<homes.length;i++){
System.out.println("家庭地址："+homes[i].getHomeAddr());
}
System.out.println("************List注入********************");
List list=user.getHomesList();
Iterator ir=list.iterator();
while(ir.hasNext()){
//Home home1=(Home)ir.next();
System.out.println("家庭地址："+ir.next().toString());
}
System.out.println("***********Set注入******************");
Set set=user.getHomesSet();
Iterator ir1=set.iterator();
while(ir1.hasNext()){
System.out.println("家庭地址："+ir1.next().toString());
}
System.out.println("************Map注入**************");
Map map=user.getHomesMap();

Home home11=(Home)map.get("1");
System.out.println("家庭地址："+home11.getHomeAddr().toString());
Home home111=(Home)map.get("2");
System.out.println("家庭地址："+home111.getHomeAddr().toString());
}

}

4.配置文件 applicationContext.xml

<?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="myHome1" class="org.stelcomtech.Home" abstract="false"
lazy-init="default" dependency-check="default">
<property name="homeAddr">
<value>wuhan</value>
</property>
</bean>
<bean id="myHome2" class="org.stelcomtech.Home" abstract="false"
lazy-init="default" dependency-check="default">
<property name="homeAddr">
<value>shanghai</value>
</property>
</bean>

<!-- autowire 選擇 byName時，按照Bean id 是否和類中的屬性名來查找 -->
<!-- autowire 選擇 byType時，按照 類的類型 來查找 -->
<bean id="userid" class="org.stelcomtech.User" abstract="false"
lazy-init="default" dependency-check="default">
<property name="username">
<value>haiyang</value>
</property>
<property name="age">
<value>22</value>
</property>

<!-- 數組注入方式 -->
<property name="homes">
<list>
<ref bean="myHome1" />
<ref bean="myHome2" />
</list>
</property>
<!-- List注入方式 -->
<property name="homesList">
<list>
<ref bean="myHome1" />
<ref bean="myHome2" />
<value>haha</value>

</list>
</property>
<!-- Set注入方式 -->
<property name="homesSet">
<set>
<value>hello</value>
<ref bean="myHome2" />
<ref bean="myHome1" />
</set>
</property>
<!-- Map注入方式 -->
<property name="homesMap">
<map>
<entry key="1">
<ref bean="myHome1" />
</entry>
<entry key="2">
<ref bean="myHome2" />
</entry>
</map>
</property>

</bean>
</beans>

5.運行結果

log4j:WARN No appenders could be found for logger (org.springframework.context.support.FileSystemXmlApplicationContext). log4j:WARN Please initialize the log4j system properly. ************數組注入*************** 家庭地址：wuhan 家庭地址：shanghai ************List注入******************** 家庭地址： 家庭地址： 家庭地址：haha ***********Set注入****************** 家庭地址：hello 家庭地址： 家庭地址： ************Map注入************** 家庭地址：wuhan 家庭地址：shanghai