<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'simple.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>
<%
Collection customers=new ArrayList();
customers.add(new String("user1"));
customers.add(new String("user2"));
customers.add(new String("user3"));
customers.add(new String("user4"));
//设置customer为的request属性
request.setAttribute("customers",customers);
%>
<h4>Customers in the request:</h4>
<c:set var="customer" scope="session" value="${requestScope.customers}"/>
<c:forEach var="customer" items="${customers}">
<c:out value="${customer}"/><br/>
</c:forEach>
</body>
</html>
<c:set>标签用于设置一个属性，可以把这个属性设置到Session中，也可以设置到Application中。<c:forEach>用于迭代Customers中的内容，<c:out>用于把一些计算器结果显示到客户端,输出到JspWriter流中。
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