html)
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>성적확인 프로그램</h1>
<form action="Ex09request.jsp">
이름 <input type="text" name="name">
<br>
Java점수 <input type="number" name="java">
<br>
web점수 <input type="number" name="web">
<br>
IOT점수 <input type="number" name="iot">
<br>
Android점수 <input type="number" name="android">
<br>
<input type="submit" value="전송">
</form>
</body>
</html>
jsp)
`<%@page import="java.io.PrintWriter"%>
<%@ 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>
<% String name = request.getParameter("name");
int java = Integer.parseInt(request.getParameter("java"));
int web = Integer.parseInt(request.getParameter("web"));
int iot = Integer.parseInt(request.getParameter("iot"));
int android = Integer.parseInt(request.getParameter("android"));
double total = (double)(java+web+iot+android)/4;
String grade = "";
if(total>=95) grade = "A+";
else if (total>=90) grade = "A";
else if(total>=85) grade = "B+";
else if(total>=80) grade = "B";
else grade = "F";
%>
이름 <%=name %> <br>
Java점수 <%=java %> <br>
Web점수 <%=web %> <br>
IOT점수 <%=iot %> <br>
Android 점수 <%=android %> <br>
평균 <%=total %> <br>
학점 <strong><%=grade %></strong> <br>
</body>
</html>
html)
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h3>랜덤숫자입력</h3>
<form action="ex11write.jsp">
<input type="number" name="num"> <br>
<input type="submit" value="생성하기">
</form>
</body>
</html>
jsp)
<%@ 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>
<h3>랜덤당첨 작성</h3>
<form action="ex11result.jsp">
주제 : <input type="text" name="topic"><br>
<% int num = Integer.parseInt(request.getParameter("num"));%>
<% for(int i = 0; i < num; i++) {%>
아이템<%=i+1 %>: <input type="text" name="item"><br>
<% } %>
<input type="submit" value="시작">
</form>
</body>
</html>
jsp)
<%@page import="java.util.Random"%>
<%@ 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>
<h3>랜덤당첨결과</h3>
<%
String result = request.getParameter("topic");
String[] item = request.getParameterValues("item");
Random rd = new Random();
int num = rd.nextInt(item.length);
%>
<%=result %><br>
<%=item[num] %>
</body>
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