jsp新代码第202课-CFANZ编程社区

new202.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
    request.setCharacterEncoding("utf-8");
    String userName = session.getAttribute("username").toString();
    if(userName != null)
    {
        out.print("<h2>欢迎你的到来！</h2>");
        out.print("<h2><a href='new203.jsp'>注销</a></h2>");
    }
    else
    {
        out.print("<h2><a href='new201.jsp'>重新登录</a></h2>");
    }
%>
</body>
</html>