📄 errorpage.jsp
字号:
<%@ page contentType="text/html; charset=GB2312" %>
<%@ page errorPage="isErrorPage.jsp" %>
<%@ page language="java" %>
<HTML>
<HEAD>
<TITLE>建立错误处理网页</TITLE>
</HEAD>
<BODY>
<CENTER>
<FONT SIZE = 5 COLOR = blue>建立错误处理网页</FONT>
</CENTER>
<BR>
<HR>
<BR>
<%
String strdividend = request.getParameter("dividend");
String strdivisor = request.getParameter("divisor");
if (strdividend == null || strdivisor == null )
{
%>
<Form action="errorPage.jsp" method=post>
<P><INPUT name=dividend>
除以<INPUT name=divisor></P>
<INPUT name=submit1 type=submit value=送出>
</Form>
<%
}
else
{
try{
int dividend = Integer.parseInt(strdividend);
int divisor = Integer.parseInt(strdivisor);
%>
<H3>答案为<Font color = red>
<%= dividend / divisor%></Font></H3>
<%
}
catch(NumberFormatException nfex)
{
throw new NumberFormatException("您输入的不是整数");
}
catch(RuntimeException rtex)
{
throw new RuntimeException("不可输入0");
}
}
%>
</BODY>
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