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08aee07 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page isELIgnored="false" %> <!-- 打开EL指令 -->
<%@ page import="java.util.ArrayList" %>
<%@ page import="java.util.List" %>
<%@ page import="java.util.Date" %>
<%@ page import="Javabean.User" %>
<html>
<head>
<title>JSTL案例</title>
</head>
<body>
<!--
需求:
在request域中有一个存有User对象的List集合。需要使用jstl+el将list集合数据展示到jsp页面的表格table中
-->
<%
List list = new ArrayList();
list.add(new User("张三", 23, new Date()));
list.add(new User("李四", 24, new Date()));
list.add(new User("王五", 25, new Date()));
request.setAttribute("list", list);
%>
<table align="center" border="1" width="50%">
<tr>
<th>编号</th>
<th>姓名</th>
<th>年龄</th>
<th>生日</th>
</tr>
<c:forEach items="${list}" var="user" varStatus="s">
<!-- 奇数行显示红色,偶数行显示绿色 -->
<c:if test="${ s.count % 2 == 0 }">
<tr align="center" bgcolor="green">
<td>${ s.count }</td>
<td>${ user.name }</td>
<td>${ user.age }</td>
<td>${ user.birthStr }</td>
</tr>
</c:if>
<c:if test="${ s.count % 2 != 0 }">
<tr align="center" bgcolor="red">
<td>${ s.count }</td>
<td>${ user.name }</td>
<td>${ user.age }</td>
<td>${ user.birthStr }</td>
</tr>
</c:if>
</c:forEach>
</table>
</body>
</html> |