functions.jsp
来自「jsp 应用开发技术光盘 是《jsp应用开发技术》这本书的源代码」· JSP 代码 · 共 50 行
JSP
50 行
<%@page pageEncoding="GB2312"%>
<%@ taglib prefix="my" uri="/WEB-INF/el-functions.tld"%>
<html>
<head>
<title>JSP 2.0 Expression Language - Functions</title>
</head>
<body>
<h1>JSP 2.0 Expression Language - 函数</h1>
<hr>
<blockquote>
<form action="functions.jsp" method="GET">
foo = <input type="text" name="foo" value="${param['foo']}">
<input type="submit">
</form>
<br>
<code>
<table border="1">
<thead>
<td><b>EL 表达式</b></td>
<td><b>结果</b></td>
</thead>
<tr>
<td>\${param["foo"]}</td>
<td>${param["foo"]} </td>
</tr>
<tr>
<td>\${my:reverse(param["foo"])}</td>
<td>${my:reverse(param["foo"])} </td>
</tr>
<tr>
<td>\${my:reverse(my:reverse(param["foo"]))}</td>
<td>${my:reverse(my:reverse(param["foo"]))} </td>
</tr>
<tr>
<td>\${my:countVowels(param["foo"])}</td>
<td>${my:countVowels(param["foo"])} </td>
</tr>
<tr>
<td>\${my:caps(param["foo"])}</td>
<td>${my:caps(param["foo"])} </td>
</tr>
</table>
</code>
</blockquote>
</body>
</html>
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