operators.jsp
来自「机械工业出版社的《jsp2.0动态网站开发实例指南》的源代码」· JSP 代码 · 共 84 行
JSP
84 行
<!--operator.jsp-->
<%@ page isELIgnored="false" %>
<html>
<head>
<title>JSP EL Operators</title>
</head>
<body>
<table border="1">
<thead>
<td><b>EL Expression</b></td>
<td><b>Result</b></td>
</thead>
<tr>
<td>\${20 + 3}</td>
<td>${20 + 3}</td>
</tr>
<tr>
<td>\${20 - 3}</td>
<td>${20 - 3}</td>
</tr>
<tr>
<td>\${20 * 3}</td>
<td>${20 * 3}</td>
</tr>
<tr>
<td>\${20 / 3}</td>
<td>${20 /3}</td>
</tr>
<tr>
<td>\${20 mod 3}</td>
<td>${20 mod 3}</td>
</tr>
<tr>
<td>\${5==5}</td>
<td>${5==5}</td>
</tr>
<tr>
<td>\${5!=5}</td>
<td>${5!=5}</td>
</tr>
<tr>
<td>\${5<5}</td>
<td>${5<5}</td>
</tr>
<tr>
<td>\${5 gt 5}</td>
<td>${5 gt 5}</td>
</tr>
<tr>
<td>\${5 le 5}</td>
<td>${5 le 5}</td>
</tr>
<tr>
<td>\${5 ge 5}</td>
<td>${5 ge 5}</td>
</tr>
<tr>
<td>\${ 5==5 && 6==7}</td>
<td>${ 5==5 && 6==7}</td>
</tr>
<tr>
<td>\${ 5==5 || 6==7}</td>
<td>${ 5==5 || 6==7}</td>
</tr>
<tr>
<td>\${ not (5!=6)}</td>
<td>${ not (5!=6)}</td>
</tr>
<tr>
<td>\${empty StringNull}</td>
<td>${empty StringNull}</td>
</tr>
<tr>
<td>\${(1==2) ? 3 : 4}</td>
<td>${(1==2) ? 3 : 4}</td>
</tr>
</table>
</body>
</html>
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