error.jsp

JAVA+JSP程序系统-华源网络科技论坛

<%@ page contentType="text/html; charset=gb2312" %>
<%@ include file="header.inc" %>
<%
String id = "";
int intid = 0;
id = request.getParameter("id");
intid = new Integer(id).intValue();
String err="ERROR";
if(intid==1)
err="姓名和留言必须填写";
else if(intid==2)
err="数据库错误";
else
err="不明错误";
%>
<center>
<br><br><br><br>
<%= err %>
<br><br><a href="javascript:history.back()">返回</a>
</center>
</body>
</html>