função escapeXml (): JSTL fn
fn: function escapeXml () ignora caracteres para tags XML.
gramática
fn: () função tem a seguinte sintaxe escapeXml:
${fn:escapeXml(<要转义标记的文本>)}
Exemplos Demonstração
Os exemplos a seguir demonstram as capacidades desta função:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
<html>
<head>
<title>Using JSTL Functions</title>
</head>
<body>
<c:set var="string1" value="This is first String."/>
<c:set var="string2" value="This <abc>is second String.</abc>"/>
<p>使用 escapeXml() 函数:</p>
<p>string (1) : ${fn:escapeXml(string1)}</p>
<p>string (2) : ${fn:escapeXml(string2)}</p>
<p>不使用 escapeXml() 函数:</p>
<p>string (1) : ${string1}</p>
<p>string (2) : ${string2}</p>
</body>
</html>
Os resultados são como se segue:
使用 escapeXml() 函数: string (1) : This is first String. string (2) : This <abc>is second String.</abc> 不使用 escapeXml() 函数: string (1) : This is first String. string (2) : This is second String.