JSP错误页面处理的两种方式

JSP错误页面处理的两种方式:
方法1(真能针对单一页面生效,不推荐):
出错页面实例
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%--发生错误,想让用户看到友好页面 error.jsp--%>
<%@ page errorPage="/demo4/error.jsp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<!-- 制作错误 -->
<%
	int d = 1/0;
%>
</body>
</html>


处理错误页面

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%--  设置当前页面是错误页面, 获得错误信息 exception  --%>
<%@page isErrorPage="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<!-- 错误友好信息页面 -->
<h4>对不起,服务器正在升级,请稍后访问!</h4>
<h5>错误原因:<%=exception.getMessage() %></h5>
</body>
</html>

方法2:

设置web.xml全局文件

如定义404不存在页面和500服务器内部错误页面

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta content="3;url=/day08/index.jsp" http-equiv="refresh">
<title>Insert title here</title>
</head>
<body>
<h1>对不起,你访问的资源不存在,网站将在3秒之后 自动跳转到主页面!</h1>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>对不起,服务器发生内部错误,请稍后访问!</h1>
</body>
</html>

web.xml设置

<error-page>
  	<error-code>500</error-code>
  	<location>/demo5/500.jsp</location>
  </error-page>	
  <error-page>
  	<error-code>404</error-code>
  	<location>/demo5/404.jsp</location>
  </error-page>





posted @ 2014-12-11 11:20  reblue520  阅读(517)  评论(0编辑  收藏  举报