chapter05 : EL1 / EL2

JSP/EL

chapter05 : EL1 / EL2

GAWON 2023. 5. 24. 09:34

<%@ 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>
	<form action="Ex05_EL2.jsp">
		<p>첫 번째 수 : <input type="text" name="num1"></p>
		<p>두 번째 수 : <input type="text" name="num2"></p>
		<input type="submit" value="전송">
		<input type="reset" value="다시 작성">
	</form>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
	String num1 = request.getParameter("num1");
	String num2 = request.getParameter("num2");
	int result = Integer.parseInt(num1) +  Integer.parseInt(num2);
	
	pageContext.setAttribute("val", result);

%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	${val }
</body>
</html>