<?xml version="1.0" encoding="GBK"?> <project name="spring" basedir="." default=""> <property name="src" value="src"/> <property name="dest" value="classes"/> <path id="classpath"> <fileset dir="../../lib"> <include name="**/*.jar"/> </fileset> <pathelement path="${dest}"/> </path> <target name="compile" description="Compile all source code"> <delete dir="${dest}"/> <mkdir dir="${dest}"/> <copy todir="${dest}"> <fileset dir="${src}"> <exclude name="**/*.java"/> </fileset> </copy> <javac destdir="${dest}" debug="true" includeantruntime="yes" deprecation="false" optimize="false" failonerror="true"> <src path="${src}"/> <classpath refid="classpath"/> <compilerarg value="-Xlint:deprecation"/> </javac> </target> <target name="run" description="Run the main class" depends="compile"> <java classname="lee.SpringTest" fork="yes" failonerror="true"> <classpath refid="classpath"/> </java> </target> </project>
<?xml version="1.0" encoding="GBK"?> <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd"> <!-- Spring容器会检测容器中所有Bean,如果发现某个Bean实现了BeanNameAware接口, Spring容器会在创建该Bean之后,自动调用该Bean的setBeanName()方法, 调用该方法时,会将该Bean的配置id作为参数传给该方法 该方法的实现部分将Spring传入的参数(Bean的配置id)赋为给该Chinese对象的 beanName实例变量,因此接下来即可通过该beanName实例变量来访问Bean的配置id。--> <bean id="chinese" class="org.crazyit.app.service.Chinese"/> </beans>
package lee; import org.springframework.context.*; import org.springframework.context.support.*; import org.crazyit.app.service.*; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class SpringTest { public static void main(String[] args) { // 创建Spring容器,容器会自动预初始化所有Bean实例 ApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml"); Chinese chin = ctx.getBean("chinese" , Chinese.class); chin.info(); } }
package org.crazyit.app.service; import org.springframework.beans.factory.BeanNameAware; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class Chinese implements BeanNameAware { // 保存部署该Bean时指定的id属性 private String beanName; public void setBeanName(String name) { this.beanName = name; } public void info() { System.out.println("Chinese实现类" + ", 部署该Bean时指定的id为" + beanName); } }