jstl
<%@ page language="java" contentType="text/html; charset=gbk"pageEncoding="gbk"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>测试jstl核心库</title>
</head>
<body>
<h1>测试jstl核心库</h1>
<hr>
<li>c:out</li>
<br>
he(el表达式):${he }<br>
he(c:out):<c:out value="${he}" default="4555555S" escapeXml="FALSE"></c:out>
<br>
html(c:out default)<c:out value="${html}"></c:out>
<br>
html(c:out escapeXml="false")<c:out value="${html}" escapeXml="false"></c:out>
<br>
html(el表达式)：${html }
<p>
<li>c:set和c:remove</li>
<br>
<c:set value="787787" var="temp" ></c:set>
temp(c:set):${temp }
<c:remove var="temp"/>
<br>
temp(c:set):${temp }
<p>
<c:remove var="temp"/>
<li>条件分支c:if</li>
<br>
<c:if test="${empty aa}">
<font color=red>(c:if相当与if):</font>
adjkadkjakdjkasjfdkjkaskdfkafdkskj<br>
</c:if>
<br>
<li>条件分支c:choose,c:when,c:otherwise</li>
<br>
<c:choose>
<c:when test="${!empty aa}">aa为空</c:when>
<c:otherwise><font color=red>三个标签必须配合使用:</font>a不为空</c:otherwise>
</c:choose>
<br>
<p>
<li>c:forEach</li>
<br>
<c:forEach items="${shuzu}" var="e" varStatus="statu" >
${e }
</c:forEach>
<br>
在jsp页面中打出 10个数
<c:set var="m" value="12112212"></c:set>
<c:forEach items="true" varStatus="se">
${m}
</c:forEach>
<p>
<li>循环控制标签c:forTokens</li>
<br>
<font color=red>request.setAttribute("token", "1,3,4,5,5")</font><br>
<c:forTokens items="${token}" delims="," var="p" >
${p }
</c:forTokens>
<p>
<li>c:catch</li>
<c:catch var="r">
<%Integer.parseInt("ddddd");%>
</c:catch>
<br>
${r }
<br>
<p>
<li>c:import</li>
<br>
<c:import url="http://localhost:8888/jstl/index.jsp"></c:import>
<br>
<p>
<li>c:redirect</li>
</body>
</html>
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