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  • fn:indexOf()方法查找字符串在另一个字符串中第一次出现的位置,以及与fn:subString()方法联用

    <%@ page language="java" contentType="text/html; charset=UTF-8"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
    <!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>Insert title here</title>
    </head>
    <body>

    fn:indexOf('filename.txt', '.') = ${ fn:indexOf('filename.txt', '.') }

    </body>
    </html>

    <%@ page language="java" contentType="text/html; charset=UTF-8"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
    <!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>Insert title here</title>
    </head>
    <body>

    <c:set var="email">liujhua@cn.ibm.com</c:set>
    fn:indexOf(email,'@')=${ fn:indexOf(email, '@') } <br/>

    ${ fn:substring(email, 0, fn:indexOf(email, '@') ) } <br/>

    ${ fn:substringBefore(email, '@') } <br/>

    ${ fn:substringAfter(email, '@') }

    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/Nickzerui/p/4543296.html
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