📄 logout.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*,java.util.*" errorPage="error.jsp" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<link href="css/index.css" rel="stylesheet" type="text/css">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>安全注销</title>
</head>
<body>
<jsp:include page="include/top.htm"/>
<table width="95%" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#000000">
<tr>
<td bgcolor="#99cc66">注销</td>
</tr>
<tr>
<td bgcolor="#e7e7e7">
<%
Boolean bo=(Boolean)session.getAttribute("hasLogin");
if(bo!=null&&bo.booleanValue()==true)
{
Hashtable list=(Hashtable)application.getAttribute("onlineList");
int previousOnline=list.size();
int currentOnline=0;
session.invalidate();
out.println("注销前在线人数为"+previousOnline);
out.println("成功注销！");
currentOnline=list.size();
out.println("当前在线人数为"+currentOnline);
}
else
{
out.println("您还未登陆，不能注销！");
}
%>
</td>
</tr>
</table>
<jsp:include page="include/bottom.htm"/>
</body>
</html>
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