出了个异常奇怪的问题??
yeno 2004-04-03 05:56:38 原文件代码
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*,java.util.*" %>
<jsp:useBean id="dbCon" class="yeno.hhr" scope="page"/>
<%
<%!String us,ps;
us=request.getParameter("username");
ps=request.getParameter("password");
if ((us.equals(""))||(ps.equals("")))
response.sendRedirect("err.jsp?ID=2");
else
{
Connection con=dbCon.dbCon();
sql="select * from yenoadmin where yenoadmin='"+us+"' and yenopassword='"+ps+"' ";
ResultSet rs=null;
rs=stmt.executeQuery(sql);
if (rs.getRow()>0)
{
if (!rs.getString("yenoadmin").equals("huanghourong"))
{
response.sendRedirect("err.jsp?ID=8");
return;
}
session.putValue("UsName",us);
out.println("登陆成功!");
//response.sendRedirect("admin.jsp");
}
else
{
response.sendRedirect("err.jsp?ID=3");
}
}
%>
注:dbCon.class文件放在C:\tomcat\webapps\myhome\WEB-INF\classes\yeno\hhr目录下,其它yeno\hhr是用javac -d . dbCon.java编译生成的,运行时居然出了N个错误……
首先是package yeno doesn't exist
其次是package out does not exist (out.println中的out吧)
再次是cannot resolve symbol
symbol : class us
location: class org.apache.jsp.checklogin_jsp
us=request.getParameter("username");
如是问题,所以可怜的偶的代码就没一个是正确的了,偶想不通,out也找不到,没天理嘛,不是说好默认时java.util.*是自动引入的?
怎么回事,大虾们,快尿湿裤裆了………………