【JSP开源代码栏目提醒】:网学会员为广大网友收集整理了,Fn_indexOf.jsp,希望对大家有所帮助!
<%@ page contentType="text/html;charset=GB2312" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<html>
<head>
<title>CH7 - Fn_indexOf.jsp</title>
</head>
<body>
<h2>\${fn:indexOf(string, substring)} </h2>
</br>
<c:set var="s1" value="There is a castle on a cloud"/>
<table cellpadding="5" border="1">
<tr>
<th align="left">Input String</th>
<th>Substring</th>
<th>Result</th>
</tr>
<tr>
<td>${s1}</td>
<td>castle</td>
<td>${fn:indexOf(s1, "castle")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>cloud</td>
<td>${fn:indexOf(s1, "cloud")}</td>
</tr>
<tr>
<td>${s1}</td>
<td>null</td>
<td>${fn:indexOf(s1, undefined)}</td>
</tr>
<tr>
<td>${s1}</td>
<td>empty string</td>
<td>${fn:indexOf(s1, "")}</td>
</tr>
<tr>
<td>null</td>
<td>castle</td>
<td>${fn:indexOf(undefined, "castle")}</td>
</tr>
<tr>
<td>null</td>
<td>empty string</td>
<td>${fn:indexOf(undefined, "")}</td>
</tr>
</table>
</body>
</html>
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