菜鸟问题多啊！验证管理员名称和密码出错

菜鸟问题多啊！验证管理员名称和密码出错

zhoulehui
该用户很懒,没有设置昵称
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可用分等级：长工
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总技术分排名：318040
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发表于：2008-08-19 23:54:00 楼主

//server2000 jsp tomcat 连接数据库可以成功
1.jsp
<%@page contentType="text/html;charset=gb2312"%>
<html>
<head> <title>管理系统! </title>
</head>
<body> <center> <h4> <font color="red" >请先登入 </font> </h4> </center>
<form name="form1" action="2.jsp" method="post">
<center>
<p>用户: <input type="text" name="userId" > </p>
<p>密码: <input type="password" name="userPwd"> </p>
<input type="submit" value="Submit">
<input type="reset" value="Reset">
</center>
</form>
</body>
</html>
2.jsp
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*,java.io.*"%>
<%! String username,password,adminvalue,pwdvalue;%>

<%request.setCharacterEncoding("gb2312");
response.setContentType("text/html;charset=gb2312");//这里报错
%>

<%
username=request.getParameter("name");
password=request.getParameter("password");
adminvalue="sa";
pwdvalue="123456";
if(username==null)
{
response.sendRedirect("err.jsp");
}
if(password.equals(""))
{
response.sendRedirect("err.jsp");
}
if(adminvalue.equals(username)&& pwdvalue.equals(password))
{
Cookie theadminok=new Cookie("adminok","true");
response.addCookie("theadminok");//这里出错是什么原因啊
response.sendRedirect("manager.jsp");

}
else{
response.sendRedirect("err.jsp");

}
%>

出错信息
2008-8-19 23:50:20 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: Unable to compile class for JSP:

An error occurred at line: 25 in the jsp file: /test/chklogin.jsp
The method addCookie(Cookie) in the type HttpServletResponse is not applicable for the arguments (String)
22: if(adminvalue.equals(username)&& pwdvalue.equals(password))
23: {
24: Cookie theadminok=new Cookie("adminok","true");
25: response.addCookie("theadminok");
26: response.sendRedirect("manager.jsp");
27:
28: }

问题点数：20 回复次数：3 修改删除举报引用回复