設計頁面，頭部，導航條，foot，所有頁面基本一致，不要在每個頁面進行重複設計，而採用將通用部分存為一個一個的jsp頁面，使用的頁面只需要引用的模式
引入jsp頁面有2種方式
1. <%@ include file="included.html" %> 這種稱為JSP include 偽指令
<![CDATA[<%@ page language="java" contentType="text/html" %><html> <head> <title>JSP include element test</title> </head> <body> This content is statically in the main JSP file.<br /> <%@ include file="included.html" %> </body></html>]]> |
<![CDATA[<%@ page language="java" contentType="text/html" %><html> <head> <title>JSP include element test</title> </head> <body> This content is statically in the main JSP file.<br /> <%@ include file="included.html" %> </body></html>]]> |
可以傳遞參數：
<jsp:include page="header.jsp" flush="true"> <jsp:param name="pageTitle" value="newInstance.com"/> <jsp:param name="pageSlogan" value=" " /></jsp:include>
header.jsp裡面可以直接取出參數：
<%=request.getParameter("pageTitle") %>
引用頁面需要注意的：
被應用的頁面，不能夠包含html body等標記，可以引用css
舉例頁面：
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<link href="css/header.css" rel="stylesheet" type="text/css" />
<div id="maindiv">
<%=request.getParameter("pageTitle") %>
</div>
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