jstl標簽，jstl標簽使用
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jstl練習</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>
This is my JSP page.
<br>
<h6>下面是out測試</h6>
<c:out value="out"></c:out>
<h6>下面是set測試</h6>
<%
request.setAttribute("out", "hello");
%>
<c:set var="username" value="test"></c:set>
<c:out value="${username }" />
<h6>下面是curl測試</h6>
<a
href="<c:url value='index.jsp'>
<c:param name='username' value='戰三'/> </c:url>">index
</a>
<h6>下面是if測試</h6>
<c:set var="password" value="12345"></c:set>
<c:if test="${not empty password}">
<c:out value="${password}"></c:out>
</c:if>
<h6>下面是choose測試</h6>
<c:choose>
<c:when test="${not empty param.name}">測試空</c:when>
<c:otherwise>不為空</c:otherwise>
</c:choose>
<h6>下面是foreach測試</h6>
<c:forEach var="i" begin="1" end="10">
${i}
</c:forEach>
<br />
<%
String[] array = { "1", "2" };
request.setAttribute("array", array);
%>
<c:forEach items="${array}" var="item">
${item}
</c:forEach>
<h6>下面是fmt測試</h6>
<c:out value="記得加fmt庫"/>
<%
Date date=new Date();
request.setAttribute("date", date);
%>
當前時間為：
<fmt:formatDate value="${date}" pattern="yyyy-MM-dd hh:mm:ss"/>
</body>
</html>
