spring配置Map属性注入bean

MapPerson类

public class MapPerson {

private String  name;

private int age;

//Map Car类

private  Map<String,Car> cars;

//set和get方法

@Override

public String toString() {

return "Person [name=" + name + ", age=" + age + ", car=" + cars + "]";

}

}

Car类

public class Car {

private String brand;

private String corp;

private double price;

private int maxSpend;

get和set方法.....

public Car(String brand, String corp, double price) {

super();

this.brand = brand;

this.corp = corp;

this.price = price;

}

public Car(String brand, String corp, int maxSpend) {

super();

this.brand = brand;

this.corp = corp;

this.maxSpend = maxSpend;

}

@Override

public String toString() {

return "Car [brand=" + brand + ", corp=" + corp + ", price=" + price

+ ", maxSpend=" + maxSpend + "]";

}

}

xml配置

<!-- 配置map属性值 -->

<bean id="mapperson" class="com.wzq.spring.bears.collection.MapPerson">

<property name="name" value="Rose"></property>

<property name="age" value="27"></property>

<property name="cars">

<!-- 使用map节点及map的entry的子节点配置Map类型的成员变量 -->

<map>

<entry key="AA" value-ref="car"></entry>

<entry key="BB" value-ref="car2"></entry>

</map>

</property>

</bean>

main方法

public class Mian {

public static void main(String[] args) {

ApplicationContext ctx = new ClassPathXmlApplicationContext(

"applicationContext.xml");

MapPerson mapperson = (MapPerson) ctx.getBean("mapperson");

System.out.println(mapperson);

}

}