JSP中隐式对象用法实例

%@ 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 'demo1.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">
 !--
 link rel="stylesheet" type="text/css" href="styles.css">
 -->
 /head>
 body>
 % 
  Date date=new Date();
  out.write(date.toLocaleString()+"br/>");
 %>
 %
  //域之间的信息获取
  request.setAttribute("data", "abc");//request的域
  String data=(String)pageContext.getAttribute("data", PageContext.REQUEST_SCOPE);//用pageContext域获取Request域的内容
  out.write(data+"br/>");
  String data2=(String)pageContext.findAttribute("data");//直接寻找data
  out.write(data2+"br/>");
 %>
 ${data}!-- 正则表达式 -->
 !-- 
  jsp:forward page="/1.jsp">/jsp:froward>//配置首页时跳转到servlet
  jsp:include page="/1.jsp">/jsp:include>%--pageCpntext.include()动态包含--%>
  //携带参数
  jsp:forward page="/1.jsp">
   jsp:param name="data" value="data">/jsp:param>
  /jsp:froward>
 -->
 /body>
/html>