<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> 移除JavaBean演示 <% pageContext.removeAttribute("page_person"); //移除page范围实例对象 request.removeAttribute("request_person"); //移除request范围实例对象 session.removeAttribute("session_person"); //移除session范围实例对象 application.removeAttribute("application_person"); //移除application范围实例对象 %>

JavaBean实例对象能访问，移除后

page范围：${!empty page_person}
request范围：${!empty request_person}
session范围：${!empty session_person}
application范围：${!empty application_person}

page范围：${page_person.name}
request范围：${request_person.name}
session范围：${session_person.name}
application范围：${application_person.name}