Simple jsp for user login

login.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<jsp:useBean id="loginBean" class="javabean.LoginBean" scope="session"/>
当前用户: <%= loginBean.getUname() %>[UUID: <%= loginBean.getUuid() %>]
最近一次登录状态: <%= session.getAttribute("loginMessage") %>
<%
    if(loginBean.getHasLogin()) {
%>
<a href="login?loginOperator=LOGOUT&srcPage=<%= request.getParameter("srcPage") %>">注销</a>
<%
    } else {
%>
<form action="login" name="loginForm" method="post">
    <input type="hidden" name="srcPage" value="<%= request.getParameter("srcPage") %>">
    <input type="hidden" name="loginOperator" value="LOGIN">
    用户名: <input type="text" name="userName">
    密码: <input type="password" name="password">
    <input type="submit" value="登录">
</form>
<%
    }
%>
<hr>