Sping--集合注入

UserDAOImpl.java:

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() ;
	}

}

bean.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-2.5.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>

UserServiceTest.java:

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);
	}

}

结果:

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