gugudan.html

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>구구단</title>
</head>
<body>
<h2>구구단 출력하기</h2>
<form action="gugudan.jsp" method="post">
구구단 단수 입력 : <input type="number" name="dan" autofocus="autofocus" required="required"><br>
<input type="submit" value="제출">
</form>
</body>
</html>



gugudan.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>구구단 출력하기</title>
</head>
<body>
<h2>구구단 출력하기</h2>

<%

	int dan = Integer.parseInt(request.getParameter("dan")); // 구구단 단수
	int gob = 0;
	
%>

<table border="1">

<%

for(int i = 1; i<10; i++) {
	
	gob = dan * i;
%>

<tr><td> <%=dan%> X <%=i %> = <%=gob %></td></tr>
	
<%} %>

</table>
</body>
</html>



결과

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