el表達式

時間 2019-12-19

標籤表達式简体版

原文原文鏈接

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page import="com.lzp.domain.*" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'el.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>
    <c:out value="el表達式測試"></c:out>
    <% request.setAttribute("username", "requestusername"); session.setAttribute("username", "sessionusername"); pageContext.setAttribute("username", "pageContextusername"); application.setAttribute("username", "applicationusername"); %>
     <c:out value="全域查找結果"/> ${username } <br/> ${pageScope.username}<br/> ${applicationScope.username }<br/> ${sessionScope.username}<br/> ${requestScope.username}<br/>
     
     <h6>javaBean與el相結合的使用</h6>
     <% Person p =new Person(); p.setAge(22); p.setName("王小明"); request.setAttribute("p", p); %> ${p.age }${p.name } <h6>其餘對象</h6> ${param.XXX } ${paramValues.YYY[0] } ${paramValues.YYY[1] } ${cookie.JSESSIONID.value}=${cookie.JSESSIONID.name} ${pageContext.request.contextPath } ${fn:length(paramValues)} ${fn:toLowerCase(param.XXX)} </body>
</html>

http://localhost:8090/jstl/el.jsp?XXX=AAA&YYY=yyy&YYY=yyy1css

相關標籤/搜索

每日一句

每一个你不满意的现在，都有一个你没有努力的曾经。