<%@ 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="${param.bcs}"><br>
        除&nbsp;&nbsp;数:<input type="text" name="cs" value="${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&nbsp;&nbsp;是:<input type="text" name="s" value="<%=result%>"><br>
        </c:catch>
        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type="submit" name="submit" value="提交">
        &nbsp;&nbsp;<input type="reset" name="reset" value="重置">
    </form>
    
  </body>
</html>

posted on 2016-01-13 20:24  宇智波vs漩涡  阅读(318)  评论(0编辑  收藏  举报