jstl之core

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CLASSPATH里要加jstl.jar和standard.jar才行，否则会报错。

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:forEach</title></head><body><c:forEach var="i" begin="1" end="5">   Item <c:out value="${i}" /><p></c:forEach></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:forTokens</title></head><body><c:forTokens items="Zara,nuha,roshy" delims="," var="name"><c:out value="${name}" /><p></c:forTokens></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:if</title></head><body><c:set var="salary" scope="session" value="${2000*2}" /><c:if test="${salary > 2000}"><p>My salary is:<c:out value="${salary}" /><p></c:if></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:import</title></head><body><c:import var="data" url="cforeach.jsp"/><c:out value="${data}"/></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:out</title></head><body><c:out value="<要显示的数据对象（未使用转义字符）>" escapeXml="true" default="默认值"></c:out><br /><c:out value="<要显示的数据对象（使用转义字符）>" escapeXml="false" default="默认值"></c:out><br /><c:out value="${null}" escapeXml="false">使用的表达式结果为null，则输出该默认值</c:out><br /></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:param</title></head><body><c:url value="cif.jsp" var="myURL"><c:param name="trackingId" value="1234" /><c:param name="reportType" value="summary" /></c:url><c:import url="${myURL}" /></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:redirect</title></head><body><c:redirect url="http://www.baidu.com"/></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:set</title></head><body><c:set var="salary" scope="session" value="${2000*2}"/><c:out value="${salary}"/></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:url</title></head><body><a href="<c:url value="cforeach.jsp"/>">TEST</a></body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ 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=UTF-8"><title>c:when</title></head><body><c:set var="salary" scope="session" value="${2000*2}" /><p>Your salary is :<c:out value="${salary}" /></p><c:choose><c:when test="${salary <= 0}">       Salary is very low to survive.    </c:when><c:when test="${salary > 1000}">        Salary is very good.    </c:when><c:otherwise>        No comment sir...    </c:otherwise></c:choose></body></html>