<?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.BeanTest" fork="yes" failonerror="true"> <classpath refid="classpath"/> </java> </target> </project>
<?xml version="1.0" encoding="GBK"?> <!-- Spring配置文件的根元素,使用spring-beans-4.0.xsd语义约束 --> <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"> <!-- 配置chinese实例,其实现类是Chinese类 --> <bean id="chinese" class="org.crazyit.app.service.impl.Chinese"> <!-- 驱动调用chinese的setAxe()方法,将容器中stoneAxe作为传入参数 --> <property name="axe" ref="stoneAxe"/> </bean> <!-- 配置stoneAxe实例,其实现类是StoneAxe --> <bean id="stoneAxe" class="org.crazyit.app.service.impl.StoneAxe"/> <!-- 配置steelAxe实例,其实现类是SteelAxe --> <bean id="steelAxe" class="org.crazyit.app.service.impl.SteelAxe"/> </beans>
package lee; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; 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 BeanTest { public static void main(String[] args)throws Exception { // 创建Spring容器 ApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml"); // 获取chinese 实例 Person p = ctx.getBean("chinese" , Person.class); // 调用useAxe()方法 p.useAxe(); } }
package 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 interface Axe { // Axe接口里有个砍的方法 public String chop(); }
package 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 interface Person { // 定义一个使用斧子的方法 public void useAxe(); }
package org.crazyit.app.service.impl; 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 Chinese implements Person { private Axe axe; // 设值注入所需的setter方法 public void setAxe(Axe axe) { this.axe = axe; } // 实现Person接口的useAxe方法 public void useAxe() { // 调用axe的chop()方法, // 表明Person对象依赖于axe对象 System.out.println(axe.chop()); } }
package org.crazyit.app.service.impl; 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 SteelAxe implements Axe { public String chop() { return "钢斧砍柴真快"; } }
package org.crazyit.app.service.impl; 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 StoneAxe implements Axe { public String chop() { return "石斧砍柴好慢"; } }
来源:https://www.cnblogs.com/tszr/p/12370287.html