<%@ page contentType="text/html;charset=gb2312" %> <% String remoteAddr = request.getRemoteAddr(); String remoteHost = request.getRemoteHost(); int serverPort = request.getServerPort(); %> 你的IP地址为：<%=remoteAddr %>
你的主机名为：<%=remoteHost %>
服务器的端口号为：<%=serverPort %>