spring2.5之后为了简化命名空间.xml文件的配置，引入p命名空间,需要先导入命名空间

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:util="http://www.springframework.org/schema/util"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">


<bean id="helloWorld" class="com.study.bean.HelloWorld">
<property name="name" value="Spring" />
</bean>

<bean id="car" class="com.study.bean.Car">
<constructor-arg value="奔驰" type="java.lang.String"></constructor-arg>
<constructor-arg type="java.lang.String">

<value><![CDATA[<Shanghai^>]]></value>
</constructor-arg>
<constructor-arg value="300000" type="double"></constructor-arg>
<property name="maxSpeed" value="100" />
</bean>
<bean id="car2" class="com.study.bean.Car">
<constructor-arg value="奔驰" type="java.lang.String"></constructor-arg>
<constructor-arg value="上海" type="java.lang.String"></constructor-arg>
<constructor-arg value="100" type="int"></constructor-arg>
<property name="price" value="5000000" />
</bean>
<bean id="person" class="com.study.bean.Person">
<property name="name" value="Tom"></property>
<property name="age" value="24"></property>



<property name="car">
<bean class="com.study.bean.Car">
<constructor-arg value="奥迪" type="java.lang.String"></constructor-arg>
<constructor-arg value="北京" type="java.lang.String"></constructor-arg>
<constructor-arg value="80" type="int"></constructor-arg>
<property name="price" value="300000" />
</bean>
</property>
</bean>

<bean id="persons" class="com.study.bean.Person">
<property name="name" value="Smith"></property>
<property name="age" value="27"></property>
<property name="cars">
<list>
<ref bean="car"/>
<ref bean="car2"/>
<bean class="com.study.bean.Car">
<constructor-arg value="奥迪" type="java.lang.String"></constructor-arg>
<constructor-arg value="北京" type="java.lang.String"></constructor-arg>
<constructor-arg value="80" type="int"></constructor-arg>
<property name="price" value="300000" />
</bean>
</list>
</property>
</bean>


<bean id="DataSource" class="com.study.bean.DataSource">
<property name="properties">
<props>
<prop key="username">root</prop>
<prop key="password">123456</prop>
<prop key="jdbcUrl">jdbc:mysql:localhost</prop>
<prop key="driverClass">com.mysql.jdbc.Driver</prop>
</props>
</property>
</bean>





<util:list id="cars">
<ref bean="car"/>
<ref bean="car2"/>
<bean class="com.study.bean.Car">
<constructor-arg value="奥迪" type="java.lang.String"></constructor-arg>
<constructor-arg value="北京" type="java.lang.String"></constructor-arg>
<constructor-arg value="80" type="int"></constructor-arg>
<property name="price" value="300000" />
</bean>
</util:list>
<bean id="persons1" class="com.study.bean.Person">
<property name="name" value="Jack"></property>
<property name="age" value="99"></property>
<property name="cars" ref="cars"> </property>
</bean>

<bean id="persons2" class="com.study.bean.Person" p:age="30"
p:name="命名空间" p:cars-ref="cars">
</bean>
</beans>

2:Car

package com.study.bean;

public class Car {

private String brand;
private String corp;
private double price;
private int maxSpeed;
public Car() {
System.out.println("Car's Constructor...");
}

public String getBrand() {
return brand;
}

public void setBrand(String brand) {
this.brand = brand;
}

public String getCorp() {
return corp;
}

public void setCorp(String corp) {
this.corp = corp;
}

public double getPrice() {
return price;
}

public void setPrice(double price) {
this.price = price;
}

public int getMaxSpeed() {
return maxSpeed;
}

public void setMaxSpeed(int maxSpeed) {
this.maxSpeed = maxSpeed;
}

public Car(String brand, String corp, int maxSpeed) {
super();
this.brand = brand;
this.corp = corp;
this.maxSpeed = maxSpeed;
}

public Car(String brand, String corp, double price) {
super();
this.brand = brand;
this.corp = corp;
this.price = price;
}
public String toString() {
return "Car [brand=" + brand + ", corp=" + corp + ", price=" + price
+ ", maxSpeed=" + maxSpeed + "]";
}

}

Person

package com.study.bean;

import java.util.List;

public class Person {
private String name;
private int age;
private Car car;
private List<Car> cars;
public Person() {
}
public String getName() {
return name;
}

public List<Car> getCars() {
return cars;
}
public void setCars(List<Car> cars) {
this.cars = cars;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Car getCar() {
return car;
}
public void setCar(Car car) {
this.car = car;
}
@Override
public String toString() {
return "Person [name=" + name + ", age=" + age + ", cars="
+ cars + "]";
}

}

4:Main

package com.study.bean;

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

public class TestMain {

public static void main(String[] args) {

ApplicationContext ctx=new ClassPathXmlApplicationContext("applicationContext.xml");
Person persons2=(Person) ctx.getBean("persons2");
System.out.println(persons2);
}

}

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