Day04(pageModule)

2021. 10. 7. 18:38ยท๐Ÿ“† Today I Learned(๊ฐœ๋ฐœ์–ธ์–ดํ•™์Šต)/JSP

00main.jsp์˜ ์ฝ”๋“œ๋‚ด์šฉ

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

jsp include ์ „
<br>
<jsp:include page="00sub.jsp"></jsp:include>

<br>
jsp include ํ›„

</body>
</html>

00sub.jsp์˜ ์ฝ”๋“œ๋‚ด์šฉ

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
๋‚˜๋Š” jsp include ๋œ ํŽ˜์ด์ง€ ๋‚ด์šฉ์ด์•ผ
</body>
</html>

00main.jsp์˜ ์ถœ๋ ฅ๋‚ด์šฉ

 

<jsp:include>

1. ์„ค๋ช…

- ์„œ๋ฒ„์ธก include๊ฐ€ ์•„๋‹Œ ํด๋ผ์ด์–ธํŠธ์ธก์˜ include๋ผ ์ƒ๊ฐํ•˜๋ฉด ๊ฐ„๋‹จํ•˜๋‹ค. ์ฆ‰ ์ถœ๋ ฅ ๊ฒฐ๊ณผ๋งŒ(html์ฝ”๋“œ)์„ include ํ•œ๋‹ค

- include ๋˜๋Š” ํŽ˜์ด์ง€์™€ ๋ณ€์ˆ˜๋ฅผ ๊ฐ™์ด ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๋‹ค

 

2. ์†์„ฑ

page

  • ํฌํ•จ์‹œํ‚ค๊ณ ์ž ํ•˜๋Š” ๋ฌธ์„œ์˜ ์œ„์น˜๋ฅผ ๋ช…์‹œํ•œ๋‹ค
  • ์ƒ๋Œ€๊ฒฝ๋กœ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์ ˆ๋Œ€๊ฒฝ๋กœ๋„ ๊ฐ€๋Šฅํ•˜๋‹ค
  • ์„œ๋ธ”๋ฆฟ ์ปจํ…Œ์ด๋„ˆ์— ๋”ฐ๋ผ HTML ํŽ˜์ด์ง€๋Š” ์•ˆ๋  ์ˆ˜๋„ ์žˆ๋‹ค
  • get ๋ฐฉ์‹์œผ๋กœ ํŒŒ๋ผ๋ฏธํ„ฐ๋ฅผ ์ „๋‹ฌ ํ• ์ˆ˜ ์—†๋‹ค
  • ๋™์ ์œผ๋กœ ํŽ˜์ด์ง€ ํ• ๋‹น์ด ๊ฐ€๋Šฅํ•˜๋‹ค
  • ์ฆ‰ <jsp:include page="<%=variable%>" flush="true"/> ๊ฐ€ ๊ฐ€๋Šฅํ•˜๋‹ค

flush

  •     true : ๋ฌธ์„œ์˜ ์ถœ๋ ฅ ๊ฒฐ๊ณผ๋ฅผ ํ•ญ์ƒ ๋ฒ„ํผ๋‚ด์—์„œ ๊ฐฑ์‹  ํ•˜๋ผ๋Š” ์˜๋ฏธ์ด๋‹ค

 

 

01main.jsp์˜ ์ฝ”๋“œ๋‚ด์šฉ

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<%request.setCharacterEncoding("UTF-8"); %>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

jsp include ์ „<br>
<%request.setAttribute("main", "main"); %>

<jsp:include page="01sub.jsp">
	<jsp:param value="ํ™๊ธธ๋™" name="name1"/>
	<jsp:param value="ํ™๊ธธ์€" name="name2"/>
</jsp:include>

<br>
jsp include ํ›„ <br>
sub์—์„œ ๋‹ด์€ ๋ฐ์ดํ„ฐ๋ฅผ main์—์„œ ์ถœ๋ ฅ :
<%=(String)(request.getAttribute("sub")) %>

</body>
</html>

01sub.jsp์˜ ์ฝ”๋“œ๋‚ด์šฉ

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<%request.setCharacterEncoding("UTF-8"); %>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
01subํŽ˜์ด์ง€<br>

<%
	String name1 = request.getParameter("name1");
	String name2 = request.getParameter("name2");
%>

name1 : <%=name1 %> <br>
name2 : <%=name2 %> <br>

main์—์„œ ๋ฐ›์€ ๋ฐ์ดํ„ฐ๋ฅผ sub์—์„œ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค <br>
<%=(String)(request.getAttribute("main")) %>
<%
	request.setAttribute("sub", "sub");
%>
</body>
</html>

01main.jsp ์‹คํ–‰ํ™”๋ฉด

jsp include ์ „ : 01main.jsp์—์„œ ์ถœ๋ ฅ ํ›„

01main.jsp์—์„œ <%request.setAttribute("main", "main"); %>๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ด์•˜๊ณ  ๊ทธ ํ›„์— jsp:include๋ฅผ ๋งŒ๋‚œ๋‹ค.


01subํŽ˜์ด์ง€ : 01main.jsp์—์„œ jsp:include๋ฅผ ๋งŒ๋‚˜์„œ 01sub.jsp๋กœ ๋„˜์–ด์˜ค๊ฒŒ ๋˜์—ˆ๊ณ  ํŒŒ๋ผ๋ฏธํ„ฐ๊ฐ’์„ ์ทจ๋“ํ•˜์—ฌ ๋ณ€์ˆ˜์— ๋‹ด๊ณ  ๋ณ€์ˆ˜๊ฐ’์„ ์ถœ๋ ฅํ•˜์˜€๋‹ค.

<%=(String)(request.getAttribute("main")) %>


name1 : ํ™๊ธธ๋™ : ๋ณ€์ˆ˜๊ฐ’ ์ถœ๋ ฅ
name2 : ํ™๊ธธ์€ : ๋ณ€์ˆ˜๊ฐ’ ์ถœ๋ ฅ


main์—์„œ ๋ฐ›์€ ๋ฐ์ดํ„ฐ๋ฅผ sub์—์„œ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค : ๋ณ€์ˆ˜ ์ถœ๋ ฅ ํ›„ ๋‚ด์šฉ ์ถœ๋ ฅ (01sub.jsp)


main : main์—์„œ ๋ฐ›์€ ๋ฐ์ดํ„ฐ๋ฅผ sub์—์„œ ์ถœ๋ ฅํ•œ๋‹ค.

01sub.jsp์—์„œ <%request.setAttribute("sub", "sub");%>๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ด์•˜๊ณ  ๋‚ด์šฉ์ด ๋๋‚˜์„œ ๋‹ค์‹œ 01main.jsp๋กœ ๋„˜์–ด๊ฐ„๋‹ค.


jsp include ํ›„ : 01main.jsp๋‚ด์šฉ ์ถœ๋ ฅ


sub์—์„œ ๋‹ด์€ ๋ฐ์ดํ„ฐ๋ฅผ main์—์„œ ์ถœ๋ ฅ : sub : 01sub.jsp์—์„œ ๋‹ด์€ ๋ฐ์ดํ„ฐ๋ฅผ main์—์„œ ์ถœ๋ ฅํ•œ๋‹ค.

<%=(String)(request.getAttribute("sub")) %>

์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

'๐Ÿ“† Today I Learned(๊ฐœ๋ฐœ์–ธ์–ดํ•™์Šต) > JSP' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

Day04(jsp:forward)  (0) 2021.10.07
Day04(jsp:include๋™์ ํŽ˜์ด์ง€ํ• ๋‹น)  (0) 2021.10.07
Day04(errorํƒ€์ž…์ง€์ •)  (0) 2021.10.07
Day04(error)  (0) 2021.10.07
Day03(ArrayList)  (0) 2021.10.06
'๐Ÿ“† Today I Learned(๊ฐœ๋ฐœ์–ธ์–ดํ•™์Šต)/JSP' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
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