jstl中的if标签

发布时间：2020-12-15 07:50:47 所属栏目：Java 来源：网络整理

导读：%@ page import=" java.util.ArrayList " % %@ page import=" java.util.List " % %@ page contentType=" text/html;charset=UTF-8 " language=" java " % %@ taglib prefix=" c " uri=" http://java.sun.com/jsp/jstl/core " % html head titleTitle /title

<%@ page import="java.util.ArrayList" %>
<%@ page import="java.util.List" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
 <title>Title</title>
</head>
<body>
 <%
 List list = new ArrayList();
 list.add("zmy");
 request.setAttribute("list",list);

 request.setAttribute("number",4);
 %>

 <c:if test="${not empty list}">
${list}
 </c:if>
<hr>

 <c:if test="${number%2!=0}">
${number}是奇数
</c:if>
<c:if test="${number%2==0}">
${number}是偶数
</c:if>
</body>
</html>

（编辑：李大同）

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