Spring学习-day02

	<!-- 属性值也可以使用 value 子节点进行配置，如果含有特殊字符使用<![CDATA[<>]]>包裹起来 -->
	<bean id="car1" class="com.atguigu.spring.beans.Car">
		<constructor-arg value="2000" type="double"></constructor-arg>
		<constructor-arg type="java.lang.String">
			<value><![CDATA[<shanghai^>]]></value>
		</constructor-arg>
		<constructor-arg value="100" type="int"></constructor-arg>
	</bean>
	
	<bean id="person" class="com.atguigu.spring.beans.Person">
		<property name="name" value="Tom"></property>
		<property name="age" value="20"></property>
		<!-- 可以使用 property 的 ref 属性建立 bean 之间的引用关系 -->
		<!--
			1. <property name="car" ref="car1"></property>
			2. 使用 ref 子节点配置
				 <property name="car">
				 	<ref bean="car"/>
				 </property>
		 -->
		 
		 <!-- 使用内部  bean, 不能在外部使用只能在内部使用  -->
		 <property name="car">
		 	<bean class="com.atguigu.spring.beans.Car">
		 		<constructor-arg value="1000" type="double"></constructor-arg>
		 		<constructor-arg value="Ford"></constructor-arg>
		 		<constructor-arg value="changan"></constructor-arg>
		 	</bean>
		 </property>
	</bean>
	
	<bean id="person2" class="com.atguigu.spring.beans.Person">
		<constructor-arg value="xiaoming"></constructor-arg>
		<constructor-arg value="18"></constructor-arg>
		<!-- 
		测试 null 
			<constructor-arg> <null/> </constructor-arg>
		 -->
		 
		<!-- 为级联属性赋值 . 注意：属性需要先初始化然后才可以为级联属性赋值，否则产生异常，与struts2不同-->
		<constructor-arg ref="car"></constructor-arg>
		<property name="car.maxSpeed" value="20"></property>
	</bean>
	
	<!-- 测试如何配置集合属性 -->
	<!-- list 集合 -->
	<bean id="person3" class="com.atguigu.spring.beans.collection.Person">
		<property name="name" value="Mark" ></property>
		<property name="age" value="22"></property>
		<!--  
		<property name="cars">
			<list>
				<ref bean="car"/>
				<ref bean="car1"/>
			</list>
		</property>
		-->
	</bean>
	
	<!-- map 集合 -->
	<bean id="mapPerson" class="com.atguigu.spring.beans.collection.Person">
		<property name="name" value="TT"></property>
		<property name="age" value="23"></property>
		<!-- 使用 map 节点 及 map 的 entry 子节点配置 Map 类型的成员变量 -->
		<property name="cars1">
			<map>
				<entry key="AAA" value-ref="car"></entry>
				<entry key="BBB" value-ref="car1"></entry>
			</map>
		</property>
	</bean>
	
	<!-- 配置 Properties 属性值 -->
	<bean id="dataSource" class="com.atguigu.spring.beans.collection.DataSource">
		<property name="properties">
			<!-- 使用 props 和 prop 子节点来为 Properties 属性赋值 -->
			<props>
				<prop key="user">root</prop>
				<prop key="password">1234</prop>
				<prop key="jdbcUrl">jdbc:mysql:///test</prop>
				<prop key="driverClass">com.mysql.jdbc.Driver</prop>
			</props>
		</property>		
	</bean>
	
	<!-- 配置独立的集合 bean，以供多个 bean 进行引用，需要导入 util 命名空间 -->
	<util:list id="cars">
		<ref bean="car1"/>
		<ref bean="car"/>
	</util:list>
	
	<bean id="person4" class="com.atguigu.spring.beans.collection.Person">
		<property name="name" value="jack"></property>
		<property name="age" value="11"></property>
		<property name="cars1" ref="cars"></property>
	</bean>

package com.atguigu.spring.beans.collection;

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

public class Main {

	public static void main(String[] args) {
		//创建 spring 的 IOC容器对象
		ApplicationContext ctx = new ClassPathXmlApplicationContext("one.xml");
		
		//从 IOC 容器对象中获取 Bean 的实例
//		Person person = (Person) ctx.getBean("person3");
//		Person person2 = (Person) ctx.getBean("mapPerson");
//		DataSource dataSource = ctx.getBean(DataSource.class);
		Person person4 = (Person) ctx.getBean("person4");
		
		//打印
		//System.out.println(person);
//		System.out.println(person2);
//		System.out.println(dataSource);
		System.out.println(person4);
	}

}

package com.atguigu.spring.beans.collection;

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

import com.atguigu.spring.beans.Car;

public class Person {
	private String name;
	private int age;
	//private List<Car> cars;
	private Map<String,Car> cars1;
	
	public Map<String, Car> getCars1() {
		return cars1;
	}
	public void setCars1(Map<String, Car> cars1) {
		this.cars1 = cars1;
	}
	
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
//	public List<Car> getCars() {
//		return cars;
//	}
//	public void setCars(List<Car> cars) {
//		this.cars = cars;
//	}
	
//	@Override
//	public String toString() {
//		return "Person [name=" + name + ", age=" + age + ", cars=" + cars1 + "]";
//	}
	
//	public Person(String name, int age, List<Car> cars) {
//		super();
//		this.name = name;
//		this.age = age;
//		this.cars = cars;
//	}
	public Person() {
		super();
	}
	
	public Person(String name, int age, Map<String, Car> cars1) {
		super();
		this.name = name;
		this.age = age;
		this.cars1 = cars1;
	}
	@Override
	public String toString() {
		return "Person [name=" + name + ", age=" + age + ", cars1=" + cars1 + "]";
	}
	
	
}