Maven依赖:
<dependency> <groupId>javax.servletgroupId> <artifactId>jstlartifactId> <version>1.2version> dependency>
建立页面index.jsp
<%@ page language="java" cOntentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>首页title> head> <body> c:set标签:<c:set var="varName" value="foo" scope="session"/><br> c:out标签:<c:out value="${varName}" default="default value"/><br> if标签: <c:if test="${varName==‘foo‘}"> if输出 c:if> <br> if-else标签: <c:choose> <c:when test="${empty param.username}"> no user c:when> <c:when test="${1==1}"> invalid section c:when> <c:otherwise> otherwise c:otherwise> c:choose> <br> foreach标签: <c:forEach var="i" begin="1" end="3"> item is: <c:out value="${i}"/> c:forEach> <br> c:forTokens标签: <c:forTokens items="Zara,nuha,roshy" delims="," var="name"> <c:out value="${name}"/> c:forTokens> body> html>
页面输出:
c:set标签: c:out标签:foo if标签: if输出 if-else标签: no user foreach标签: item is: 1 item is: 2 item is: 3 c:forTokens标签: Zara nuha roshy
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JSTL简单入门学习实例