Sping--集合注入

package com.bjsxt.dao.impl;

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

import com.bjsxt.dao.UserDAO;
import com.bjsxt.model.User;

public class UserDAOImpl implements UserDAO {
/* (non-Javadoc)
* @see com.bjsxt.dao.UserDAO#save(com.bjsxt.model.User)
*/
private Set<String> sets;
private List<String> lists;
private Map<String , String> maps;

public Set<String> getSets() {
return sets;
}

public void setSets(Set<String> sets) {
this.sets = sets;
}

public List<String> getLists() {
return lists;
}

public void setLists(List<String> lists) {
this.lists = lists;
}

public Map<String, String> getMaps() {
return maps;
}

public void setMaps(Map<String, String> maps) {
this.maps = maps;
}

public UserDAOImpl() {
}

public void save(User user) {
System.out.println("user saved!");
}

@Override
public String toString() {
return "sets size:" + sets.size() + "| lists size:" + lists.size() + "| maps size:" + maps.size() ;
}

}

<?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-2.5.xsd"> 
<bean name="userDAO" class="com.bjsxt.dao.impl.UserDAOImpl">
<property name="sets">
<set>
<value>1</value>
<value>2</value>
</set>
</property>
<property name="lists">
<list>
<value>1</value>
<value>2</value>
<value>3</value>
</list>
</property>
<property name="maps">
<map>
<entry key="1" value="1"></entry>
<entry key="2" value="2"></entry>
<entry key="3" value="3"></entry>
<entry key="4" value="4"></entry>
</map>
</property>
</bean>

<bean id="userService" class="com.bjsxt.service.UserService">
<!--
<property name="userDAO">
<ref bean="userDAO"/>
</property>
-->
<constructor-arg>
<ref bean="userDAO"/>
</constructor-arg>
</bean>

</beans>

package com.bjsxt.service;

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

import com.bjsxt.dao.UserDAO;

public class UserServiceTest {

@Test
public void testAdd() throws Exception {
ApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");
UserDAO u1 = (UserDAO)ctx.getBean("userDAO");
System.out.println(u1);
}

}

sets size:2| lists size:3| maps size:4