<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
var num=Number(window.prompt("请输入年龄：", ""));
<%int s=Integer.parseInt(request.getParameter("num"));%>
<%out.println(s); %>
<%if(s>=18){ %>
<%out.println("你长大了！"); %>
<%} else{ %>
<%out.println("你还是个孩子！"); %>
<%} %>
