%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <%@ page import="java.util.*" %> <%//下是获取当前域名地址 String URL = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort(); %>