<?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.SpELTest" fork="yes" failonerror="true"> <classpath refid="classpath"/> </java> </target> </project>
<?xml version="1.0" encoding="GBK"?> <!-- 指定Spring配置文件的根元素和Schema 导入p:命名空间和util:命名空间的元素 --> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:util="http://www.springframework.org/schema/util" 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"> <!-- 使用util.properties加载指定资源文件 --> <util:properties id="confTest" location="classpath:test_zh_CN.properties"/> <!-- 配置setName()的参数时,在表达式中调用方法 配置setAxe()的参数时,在表达式中创建对象 配置调用setBooks()的参数时,在表达式中访问其他Bean的属性 --> <bean id="author" class="org.crazyit.app.service.impl.Author" p:name="#{T(java.lang.Math).random()}" p:axe="#{new org.crazyit.app.service.impl.SteelAxe()}" p:books="#{ {confTest.a , confTest.b} }"/> </beans>
a=《轻量级Java EE企业应用实战》
b=《疯狂Java讲义》
a=\u300a\u8f7b\u91cf\u7ea7Java EE\u4f01\u4e1a\u5e94\u7528\u5b9e\u6218\u300b
b=\u300a\u75af\u72c2Java\u8bb2\u4e49\u300b
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 { String chop(); }
package org.crazyit.app.service; import java.util.*; /** * 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 { public void useAxe(); public List<String> getBooks(); public String getName(); }
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 "钢斧砍柴很快!"; } }
package org.crazyit.app.service.impl; import java.util.*; 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 Author implements Person { private Integer id; private String name; private List<String> books; private Axe axe; // id的setter和getter方法 public void setId(Integer id) { this.id = id; } public Integer getId() { return this.id; } // name的setter和getter方法 public void setName(String name) { this.name = name; } public String getName() { return this.name; } // books的setter和getter方法 public void setBooks(List<String> books) { this.books = books; } public List<String> getBooks() { return this.books; } // axe的setter方法 public void setAxe(Axe axe) { this.axe = axe; } public void useAxe() { System.out.println("我是" + name + ",正在砍柴\n" + axe.chop()); } }
package lee; import org.springframework.context.*; import org.springframework.context.support.*; import java.util.*; 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 SpELTest { public static void main(String[] args) { ApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml"); Person author = ctx.getBean("author" , Person.class); System.out.println(author.getBooks()); author.useAxe(); } }