<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@ page import="org.springframework.web.context.*" %>
<%@ page import="org.springframework.web.context.support.*" %>
<%@ page import="org.crazyit.app.service.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Spring Bean的作用域</title>
</head>
<body>
<%
// 获取Web应用初始化的Spring容器
WebApplicationContext ctx =
WebApplicationContextUtils.getWebApplicationContext(application);
// 两次获取容器中id为p的Bean
Person p1 = (Person)ctx.getBean("p");
Person p2 = (Person)ctx.getBean("p");
out.println((p1 == p2) + "<br/>");
out.println(p1);
%>
</body>
</html>
<?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">
<!-- 指定使用request作用域 -->
<bean id="p" class="org.crazyit.app.service.Person"
scope="request"/>
</beans>
<?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>
</project>
<?xml version="1.0" encoding="GBK"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1">
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
</listener>
</web-app>
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 class Person
{
private int age;
}
来源：https://www.cnblogs.com/tszr/p/12370301.html