<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <% if (!adminuser.equals("管理员")) {/* 已在top.jsp中声明，此处报错正常 */ out.println(""); /* out.println(adminuser); */ return; } else { /* out.println(adminuser); */ /* 已在top.jsp中声明，此处报错正常 */ } Object user0 = session.getAttribute("actualuser"); /* out.println("欢迎"+user0);//输出当前session用户 */ %>