jsp中的作用域对象

来源：互联网发布：php curl 301跳转编辑：程序博客网时间：2024/06/05 17:09

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">        <title>My JSP 'a.jsp' starting page</title>    <meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page">  </head>    <body>  <%--在a.jsp中存储四个数据 --%>  <%  pageContext.setAttribute("page", "page数据", pageContext.PAGE_SCOPE);  pageContext.setAttribute("request", "request数据", pageContext.REQUEST_SCOPE);  session.setAttribute("session", "session数据");  application.setAttribute("application", "application数据");   %>  以下是取到的值<br/> page:<%=pageContext.getAttribute("page",pageContext.PAGE_SCOPE)%><br/> request:<%=request.getAttribute("request")%><br/>session:<%=session.getAttribute("session")%><br/>application:<%=application.getAttribute("application")%><br/>    <%//pageContext.forward("b.jsp"); %>  <%//response.sendRedirect("b.jsp"); //重定向%>  <%pageContext.include("b.jsp"); %><br/>  <%//@include file="b.jsp"//include指令 %>    我是a页面  </body></html>

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">        <title>b页面</title>    <meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">-->  </head>    <body>  以下是b页面中存储的数据：<br/> <div style="background-color:fuchsia;high:300px"> page:<%=pageContext.getAttribute("page",pageContext.PAGE_SCOPE)%><br/> request:<%=request.getAttribute("request")%><br/>session:<%=session.getAttribute("session")%><br/>application:<%=application.getAttribute("application")%><br/> </div>  </body></html>

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