main_top
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<table>
<tr>
<td>표1</td>
<td>표2</td>
<td>표3</td>
</tr>
<tr>
<td>표1</td>
<td>표2</td>
<td>표3</td>
</tr>
</table>
main_footer
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<table id="t01">
<tr>
<td>footer가 들어 갑니다.<td>
</tr>
</table>
main_include
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>main페이지</title>
<link rel="stylesheet" href="css/style1.css">
</head>
<body>
<div>
<h2>메인페이지</h2>
<!-- include 부분 -->
<%--<%@ include file="main_top.jsp" %> --%>
<jsp:include page="main_top.jsp"/>
<!-- include 부분 끝 -->
<h2>푸터내용이 들어갑니다.</h2>
<!-- 푸터 include -->
<%--<%@ include file="main_footer.jsp" %>--%>
<jsp:include page="main_footer.jsp"/>
<!-- 푸터 include 끝 -->
</div>
</body>
</html>
main에서 이렇게 넣어두고 실행시키면
include 부분이 들어와서 실행되어서 페이지를 완성시켜주고있다.