<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>
实时电量
<%
String username = (String) session.getAttribute("username");
if (username == null || username.equals("")) {
request.getRequestDispatcher("/hxzk/login.jsp").forward(request, response);
return;
}
%>
