<%@ page language="java" import="java.sql.*" contentType="text/html;charset=utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <% out.println("登录失败,5秒后自动跳转回登录页面");%> <% response.setHeader("refresh","5;url=../index.html");%>