code355.jsp
<%@page import="java.util.ArrayList"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
ArrayList<String> list = new ArrayList<>();
list.add("元素1");
list.add("元素2");
list.add("元素3");
list.add("元素4");
pageContext.setAttribute("list", list);
%>
<table border="1">
<tr>
<td>序号</td>
<td>名称</td>
</tr>
<c:forEach var="obj" items="${pageScope.list}" varStatus="stus">
<tr>
<td><c:out value="${stus.index + 1 }"></c:out></td>
<c:choose>
<c:when test="${(stus.index + 1) % 2 == 0 }">
<td bgcolor="#cccccc"><c:out value="${obj}"></c:out></td>
</c:when>
<c:otherwise>
<td><c:out value="${obj}"></c:out></td>
</c:otherwise>
</c:choose>
</tr>
</c:forEach>
</table>
</body>
</html>
