<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>应用JSTL屏蔽页面中出现的错误</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<font style="font-size: 24px;">应用JSTL屏蔽页面中出现的错误，比如除数为0. </font><br>
<form action="" name="form" method="get">
被除数：<input type="text" name="bcs" value="${param.bcs}"><br>
除 数：<input type="text" name="cs" value="${param.cs}"><br>
<c:catch var="exception">
<%
int bcs=Integer.parseInt(request.getParameter("bcs"));
int cs=Integer.parseInt(request.getParameter("cs"));
int result=bcs / cs;
%>
商 是：<input type="text" name="s" value="<%=result%>"><br>
</c:catch>
<input type="submit" name="submit" value="提交">
<input type="reset" name="reset" value="重置">
</form>
</body>
</html>
原文：http://www.cnblogs.com/ganjun/p/5128395.html