Login用户名问题
登陆成功后，只显示欢迎，没有用户名
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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>Insert title here</title>
</head>
<body>
<div id="box">
<%
String loginuser="";
if(session.getAttribute(loginuser)!=null){
loginuser=session.getAttribute("loginuser").toString();
}
%>
欢迎您<font color="red"> <%=loginuser%> </font>,登录成功！
</div>
</body>
</html>
