JSP内置对象-----config,Exception 

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8" errorPage="exception.jsp"%><!--  errorPage="exception.jsp" 当抛出异常时，交给页面处理 -->
<!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>JSP内置对象-exception</title>
</head>
<body>
    <h1>测试异常页面</h1>
    <hr>

    <%
        out.println(100 / 0);//抛出运行异常；算术异常
    %>


</body>
</html>
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8" 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>JSP内置对象-exception</title>
</head>
<body>
    <h1>exception内置对象</h1>

    <hr>
    异常消息是：<%=exception.getMessage() %><br>
    异常的字符串描述：<%=exception.toString() %><br>

</body>
</html>

 

posted @ 2018-08-10 10:00  百事没事  阅读(204)  评论(0)    收藏  举报