Spring配制的一些细节

Spring配制的一些细节:

1. 属性中特殊字符的处理

2. 配制bean之间的关联 --ref用法

3. 内部bean的配制

4. 级联属性赋值

5. null值的定义

6.配制list集合

7.Map集合的配制

8.配制Properties属性值

9.配置单例的集合bean,以供多个bean进行引用，要导入util命名空间

10.导入p命名空间

 

要用到的java类：

package com.spring.config;

public class Manager {
	private String name;
	private String address;
	private double height;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getAddress() {
		return address;
	}

	public void setAddress(String address) {
		this.address = address;
	}

	public double getHeight() {
		return height;
	}

	public void setHeight(double height) {
		this.height = height;
	}

	@Override
	public String toString() {
		return "Manager [name=" + name + ", address=" + address + ", height=" + height + "]";
	}
	
	

}

 

package com.spring.config;

public class Department {
	private String name;
	private Manager manager;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public Manager getManager() {
		return manager;
	}

	public void setManager(Manager person) {
		this.manager = person;
	}

	@Override
	public String toString() {
		return "Department [name=" + name + ", manager=" + manager + "]";
	}

}

 

package com.spring.config;

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

public class Company {

	private String name;
	private List<Department>  departments;
	private Map<String,Department> mainDepartent;
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public List<Department> getDepartment() {
		return departments;
	}
	public void setDepartments(List<Department> departments) {
		this.departments = departments;
	}
	public Map<String, Department> getMainDepartent() {
		return mainDepartent;
	}
	public void setMainDepartent(Map<String, Department> mainDepartent) {
		this.mainDepartent = mainDepartent;
	}
	public List<Department> getDepartments() {
		return departments;
	}
	@Override
	public String toString() {
		return "Company [name=" + name + ", departments=" + departments + ", mainDepartent=" + mainDepartent + "]";
	}
	
}

 

package com.spring.config;

import java.util.Properties;

public class DataSource {
	private Properties properties;

	public Properties getProperties() {
		return properties;
	}

	public void setProperties(Properties properties) {
		this.properties = properties;
	}

	@Override
	public String toString() {
		return "DataSource [properties=" + properties + "]";
	}
	
	
}

 

package com.spring.config;

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

public class Main {

	public static void main(String[] args) {
		ApplicationContext ctx = new ClassPathXmlApplicationContext("application.xml");

		// 1.属性中有特殊字符
		Manager p = (Manager) ctx.getBean("manager");
		System.out.println(p);

		// 2. bean之间的关系
		Department de = (Department) ctx.getBean("department");
		System.out.println(de);

		// 3.内部bean
		Department de1 = (Department) ctx.getBean("department1");
		System.out.println(de1);

		// 4.级联属性
		Department de2 = (Department) ctx.getBean("department2");
		System.out.println(de2);

		// 5.null值的定义
		Department de3 = (Department) ctx.getBean("department3");
		System.out.println(de3);

		// 6.配制list集合
		Company company = (Company) ctx.getBean("company");
		System.out.println(company);

		// 7.Map集合的配制
		Company company1 = (Company) ctx.getBean("company1");
		System.out.println(company1);

		// 8.配制Properties属性值
		DataSource dataSource = (DataSource) ctx.getBean("dataSource");
		System.out.println(dataSource + "\t\n>>>" + dataSource.getProperties().get("pwd"));

		// 9.配置单例的集合bean,以供多个bean进行引用，要导入util命名空间
		Company company2 = (Company) ctx.getBean("company2");
		System.out.println(company2);

		// 10.导入p命名空间
		Company company3 = (Company) ctx.getBean("company3");
		System.out.println(company3);
	}

}

 

spring-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" 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.xsd
		http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.2.xsd">


	<!-- 1. 有特殊字符时，可以直接转义。 或者用value属性加<![CDATA[] 解决 -->
	<bean id="manager" class="com.spring.config.Manager">
		<!-- <property name="address" value="China&gt;SH"></property> -->
		<property name="address">
			<value><![CDATA[China>SH]]></value>
		</property>
		<property name="name" value="matt"></property>
		<property name="height" value="175"></property>
	</bean>


	<bean id="department" class="com.spring.config.Department">
		<!-- 2.ref可以引入指定的bean -->
		<property name="manager" ref="manager"></property>
		<property name="name" value="CDC"></property>
	</bean>

	<!--3. 内部bean -->
	<bean id="department1" class="com.spring.config.Department">
		<property value="CNN" name="name"></property>
		<property name="manager">
			<bean id="manager" class="com.spring.config.Manager">
				<property name="address">
					<value><![CDATA[China>HZ]]></value>
				</property>
				<property name="name" value="Rose"></property>
				<property name="height" value="185"></property>
			</bean>
		</property>
	</bean>

	<!-- 4.定义级联属性 -->
	<bean id="department2" class="com.spring.config.Department">
		<property name="manager" ref="manager" />
		<property name="name" value="CDC" />
		<property name="manager.height" value="180" />
	</bean>

	<!-- 5.null值的定义 -->
	<bean id="department3" class="com.spring.config.Department">
		<property name="manager">
			<null />
		</property>
		<property name="name" value="CMC" />
	</bean>

	<!-- 6.配置list集合 -->
	<bean id="company" class="com.spring.config.Company">
		<property name="name" value="WG"></property>
		<property name="departments">
			<list>
				<ref bean="department" />
				<ref bean="department1" />
				<ref bean="department2" />
			</list>
		</property>
		<property name="mainDepartent">
			<null />
		</property>
	</bean>

	<!-- 7.配置Map集合 -->
	<bean id="company1" class="com.spring.config.Company">
		<property name="name" value="WG1"></property>
		<property name="departments">
			<null />
		</property>
		<property name="mainDepartent">
			<map>
				<entry key="AAA" value-ref="department" />
			</map>
		</property>
	</bean>

	<!-- 8.配置Properties属性值 -->
	<bean id="dataSource" class="com.spring.config.DataSource">
		<property name="properties">
			<props>
				<prop key="user">root</prop>
				<prop key="pwd">******</prop>
				<prop key="jdbcUrl">jdbc:mysql:///mydata</prop>
				<prop key="driverClass">com.mysql.jdbc.Driver</prop>
			</props>
		</property>
	</bean>


	<!-- 9.配置单例的集合bean,以供多个bean进行引用，要导入util命名空间 -->
	<util:list id="departments">
		<ref bean="department1" />
		<ref bean="department2" />
	</util:list>

	<bean id="company2" class="com.spring.config.Company">
		<property name="name" value="WG1"></property>
		<property name="departments" ref="departments"></property>
		<property name="mainDepartent">
			<map>
				<entry key="AAA" value-ref="department" />
			</map>
		</property>
	</bean>


	<util:map id="mainDe">
		<entry key="AAA" value-ref="department" />
	</util:map>
	<!-- 10. 加入p命名空间，要导入p命名空间 -->
	<bean id="company3" class="com.spring.config.Company" p:name="WG3"
		p:departments-ref="departments" p:mainDepartent-ref="mainDe" />


</beans>