1、被包含的JSP需要添加page指令
2、
<jsp:include page=""> </jsp:include>
被包含的JSP书写格式
<%@page language="java" contentType="text/html;charset=UTF-8" pageEncoding="UTF-8"%><div id="menu"><ul><li><a href="../aboutus.jsp">关于我们</a><ul><li><a href="../aboutus/contactInfo.jsp">联系方式</a></li><li><a href="../aboutus/messageBoard.jsp">留言板</a></li></ul></li></div>
包含的JSP书写格式
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>监测网</title></head><body><div id="container"><div id="header"><img src="../images/header.png" /></div><div id="menu"><jsp:include page="../include/menu.jsp"></jsp:include></div><div id="body"><div id="title"><h1>信息查询</h1></div><div></div></div></div></body></html>
