<head>
<meta http-equiv="Content-Type" content="text/html; charset=euc-kr" />
</head>

<body>
<form action="formdo.jsp" method="post">
    출력할 단을 입력하시오<input name="aa" type="text" />
<input name="cc" type="submit" value="cc" />
</form>
</body>
</html>


-----------formdo.jsp--------------------------------------------
<head>
<meta http-equiv="Content-Type" content="text/html; charset=euc-kr" />
<title>Untitled Document</title>
</head>

<body>

<% out.println("Dan =  " +request.getParameter("aa") + "<br>");
   int dan = Integer.parseInt( request.getParameter("aa"));
   for(int i = 1 ;i<10;i++){
           out.println(i);
        out.println("<br>");
    }

%>
<br />



</body>
</html>