jsp el表达式,for循环

 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
 <%
     List list = new ArrayList();
     for (int i = 0; i < 10; i++) {
         list.add(i);
     }
     session.setAttribute("list", list);
 %>

 "-//W3C//DTD HTML 4.01 Transitional//EN">



     My JSP <span class="string" style="color:#0000FF;">'index.jsp'</span> starting page
     "pragma" content="no-cache">
     "cache-control" content="no-cache">
     "expires" content="0">
     "text/css">
     tr.foreach_tr1{background-color:#D7E9FD;color:black;}
     tr.foreach_tr2{background-color:#A7DBFF; color:black ;}




     "1" width="200" cellpadding="0" cellspacing="0">
         "center"  class="first_tr">

                 test


         "${list}" varStatus="i" var="item" >
             if test="${i.index % 2 == 0}" >
                 "center" class="foreach_tr1">
             if>
             if test="${i.index % 2 == 1}">
                 "center" class="foreach_tr2">
             if>

                 ${item}

刚刚忘记在文件头上加:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>  

结果显示就没有循环出来了...