<%@ page language="java" contentType="text/html; charset=GB18030"
pageEncoding="GB18030"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!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=GB18030">
<title>Insert title here</title>
</head>
<body>
<h1>
测试JSTL核心库
</h1>
<hr>
<p>
<li>
采用c:out标签输出
</li>
<br>
hello(使用标签):
<c:out value="123" />
<br>
hello(使用标签):
<c:out value="hello" />
<br>
hello(使用标签):
<c:out value="${hello}" />
<br>
hello(使用EL标签)default:${hello1111}
<br>
hello(使用c:out)default:
<c:out value="${hello111}" default="没有值"></c:out>
<br>
hello(使用c:out)default:
<c:out value="${hello11}">没有值</c:out>
<br>
welcome(EL):${welcome }
<br>
welcome(标签):
<c:out value="${welcome}" escapeXml="true"></c:out>
<br>
welcome(标签):
<c:out value="${welcome}" escapeXml="false"></c:out>
<br>
<p>
<li>测试c:ser,c:remove</li><br>
<c:set value="root" var="userid"></c:set>
userid:${userid }<br>
<c:remove var="userid"/>
userid:${userid }<br>
<p>
<li>条件控制标签:c:if</li><br>
<c:if test="${v1 lt v2}">v1小于v2</c:if><br>
<p>
<li>条件控制标签:c:chose, c:when, c:otherwise</li><br>
<c:choose>
<c:when test="${v1 gt v2}">
v1大于v2<br>
</c:when>
<c:otherwise>
v1小于v2<br>
</c:otherwise>
</c:choose>
<c:choose>
<c:when test="${empty userList}">
没有符合条件的数据
</c:when>
<c:otherwise>
存在此数据
</c:otherwise>
</c:choose>
<p>
<li>演示循环控制标签:forEach</li><br>
<table border="1">
<tr>
<td>姓名</td>
<td>年龄</td>
<td>组别</td>
</tr>
<c:choose>
<c:when test="${empty users}">
<tr>
<td colspan="3">没有符合条件的数据</td>
</tr>
</c:when>
<c:otherwise>
<c:forEach items="${users}" var="user">
<tr>
<td>${user.userName }</td>
<td>${user.age }</td>
<td>${user.group.name }</td>
</tr>
</c:forEach>
</c:otherwise>
</c:choose>
</table>
<p>
<li>varStatus</li>
<table border="1">
<tr>
<td>姓名</td>
<td>年龄</td>
<td>组别</td>
</tr>
<c:choose>
<c:when test="${empty users}">
<tr>
<td colspan="3">没有符合条件的数据</td>
</tr>
</c:when>
<c:otherwise>
<c:forEach items="${users}" var="user" varStatus="vs">
<c:choose>
<c:when test="${vs.count mod 2 == 0}">
<tr bgcolor=red>
</c:when>
<c:otherwise>
<tr>
</c:otherwise>
</c:choose>
<td>${user.userName }</td>
<td>${user.age }</td>
<td>${user.group.name }</td>
</tr>
</c:forEach>
</c:otherwise>
</c:choose>
</table>
<p>
<li>演示循环控制标签:forEach</li><br>
<table border="1">
<tr>
<td>姓名</td>
<td>年龄</td>
<td>组别</td>
</tr>
<c:choose>
<c:when test="${empty users}">
<tr>
<td colspan="3">没有符合条件的数据</td>
</tr>
</c:when>
<c:otherwise>
<c:forEach items="${users}" var="user" begin="2" end="8" step="2">
<tr>
<td>${user.userName }</td>
<td>${user.age }</td>
<td>${user.group.name }</td>
</tr>
</c:forEach>
</c:otherwise>
</c:choose>
</table>
<li>演示循环标签forEach，输出map</li><br>
<c:forEach items="${map}" var="entry">
${entry.key }, ${entry.value } <br>
</c:forEach>
<p>
<li>循环控制标签:forTokens</li><br>
<c:forTokens items="${strTokens}" delims="#" var="v">
${v }<br>
</c:forTokens>
<p>
<c:catch var="msg">
<%
Integer.parseInt("1dddd");
%>
</c:catch>
${msg }
<p>
<c:import url="http://www.baidu.com"></c:import>
<p>
<c:url value="http://www.baidu.com" var="v">
<c:param name="userId" value="hugui"></c:param>
<c:param name="age" value="20"></c:param>
</c:url>
${v }<br>
<li>c:redirect</li><br>
<c:redirect url="/login.jsp" context="/drp4.5" ></c:redirect>
</body>
</html>
jstl_core
最新推荐文章于 2022-02-25 18:19:43 发布
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