String[] fn:split(String sourceStr, String separator)其中，sourceStr 表示源字符串，separator 为指定的分隔符。
<%@ 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"%>
<!DOCTYPE html>
<html>
<head>
<title>编程帮(www.lmcjl.com)</title>
</head>
<body>
<c:set var="msg" value="Welcome to bianchengbang" />
<c:set var="arrayofmsg" value="${fn:split(msg,' ')}" />
<c:forEach var="i" begin="0" end="2">
arrayofmsg[${i}]: ${arrayofmsg[i]}<br>
</c:forEach>
</body>
</html>
arrayofmsg[0]: Welcome
arrayofmsg[1]: to
arrayofmsg[2]: bianchengbang
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