Day07(el) ์‚ฌ์น™์—ฐ์‚ฐ, ๋ฌธ์ž์—ด, ๋น„๊ต์—ฐ์‚ฐ์ž

2021. 10. 13. 18:07ยท๐Ÿ“† Today I Learned(๊ฐœ๋ฐœ์–ธ์–ดํ•™์Šต)/JSP

02pmdm.jsp์ฝ”๋“œ๋‚ด์šฉ

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<%request.setCharacterEncoding("UTF-8"); %>
<%@include file="/WEB-INF/inc/header.jsp" %>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%@include file="/WEB-INF/inc/top.jsp" %>
์‚ฌ์น™์—ฐ์‚ฐ, ๋ฌธ์ž์—ด
${ 10+1 } <br>
${ "10" } <br>
${ "10"+1 } <!-- ์ˆซ์ž๋ณ€ํ™˜ ๊ฐ€๋Šฅํ•œ ๊ฑด ๋ณ€ํ™˜(long) long 10 + long 1 --> <br>
${3.14 + "2.7" } <!-- ์ˆซ์ž ๋ณ€ํ™˜ ๊ฐ€๋Šฅํ•œ ๊ฑด ๋ณ€ํ™˜, double --> <br>
${30/3 } ${30 div 3 } <br>
${30%3 } ${30 mod 3 } <br>
</body>
</html>

์ถœ๋ ฅ๋‚ด์šฉ

03eq.jsp์˜ ์ฝ”๋“œ๋‚ด์šฉ

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<%request.setCharacterEncoding("UTF-8"); %>
<%@include file="/WEB-INF/inc/header.jsp" %>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%@include file="/WEB-INF/inc/top.jsp" %>
${ 3 == 5 } ${ 3 eq 5 } <br>
${ 3>5 } ${ 3 gt 5} <br>
${ 3<5 } ${ 3 lt 5} <br>

${ 3>=5 } ${ 3 ge 5 } <br>
${ 3<= 5 } ${ 3 le 5 } <br>

${3 != 5 } ${ 3 ne 5 } <br>
${ !true } ${ not true } <br>
</body>
</html>

์ถœ๋ ฅ๋‚ด์šฉ

EL์ด ์ œ๊ณตํ•˜๋Š” ๋น„๊ต์—ฐ์‚ฐ์ž

  • == ๋˜๋Š” eq
  • != ๋˜๋Š” ne
  • < ๋˜๋Š” lt
  • > ๋˜๋Š” gt
  • <= ๋˜๋Š” le
  • >= ๋˜๋Š” ge
์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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

Day07(el)์„ธ๋ฏธ์ฝœ๋ก  ์—ฐ์‚ฐ์ž  (0) 2021.10.13
Day07(el) ์ปฌ๋ ‰์…˜  (0) 2021.10.13
Day07(Expression Language)  (0) 2021.10.13
Day06(session login)  (0) 2021.10.12
Day06(session = get,set,remove)  (0) 2021.10.12
'๐Ÿ“† Today I Learned(๊ฐœ๋ฐœ์–ธ์–ดํ•™์Šต)/JSP' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
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JinSeong
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JinSeong
Day07(el) ์‚ฌ์น™์—ฐ์‚ฐ, ๋ฌธ์ž์—ด, ๋น„๊ต์—ฐ์‚ฐ์ž
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