Problem solving/쉽게 배우는 JSP 웹 프로그래밍

[쉽게 배우는 JSP 웹프로그래밍] 14장 연습문제

공부좀하시졍 2021. 1. 3. 20:01

3. 쿠키를 이용하여 다음 조건에 맞게 JSP 애플리케이션을 만들고 실행 결과를 확인하시오.

cookie_process.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<html>
<head>
<title>Cookie</title>
</head>
<body>
	<%
		String user_id = request.getParameter("id");
		String user_pw = request.getParameter("passwd");
		
		if (user_id.equals("admin") && user_pw.equals("admin1234")) {
			Cookie cookie_id = new Cookie("userID", user_id);
			response.addCookie(cookie_id);
			
			response.sendRedirect("welcome.jsp");
		} else {
			out.println("쿠키 생성을 실패하였습니다.");
		}
	%>
</body>
</html>

cookie.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<html>
<head>
<title>Cookie</title>
</head>
<body>
	<form action="cookie_process.jsp" method="POST">
		<p> 아이디 : <input type="text" name="id">
		<p> 비밀번호 : <input type="text" name="passwd">
		<p> <input type="submit" value="전송">	
	</form>
</body>
</html>

welcome.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<html>
<head>
<title>Cookie</title>
</head>
<body>
	<%
		Cookie[] userId = request.getCookies();
		if (userId[0] == null) {
			response.sendRedirect("cookie_out.jsp");
			return;
		}
	%>
	
	<h3><%=userId[0].getValue() %>님 반갑습니다.</h3>
	<a href="cookie_out.jsp">로그아웃</a>
</body>
</html>

cookie_out.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<html>
<head>
<title>Cookie</title>
</head>
<body>
	<%
		Cookie[] cookies = request.getCookies();
		
		for (int i = 0; i < cookies.length; i++) {
			cookies[i].setMaxAge(0);
			response.addCookie(cookies[i]);
		}
		response.sendRedirect("cookie.jsp");
	%>
</body>
</html>

4. 다음 조건에 맞게 도서 웹 쇼핑몰을 위한 웹 애플케이션을 만들고 실행 결과를 확인하시오.

shippingInfo.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<html>
<head>
<link rel = "stylesheet" href = "./resources/css/bootstrap.min.css" />
<title>배송 정보</title>
</head>
<body>
	<jsp:include page="menu.jsp" />
	<div class="jumbotron">
		<div class="container">
			<h1 class="display-3">배송 정보</h1>
		</div>
	</div>
	<div class="container">
		<form action="./processShippingInfo.jsp" class="form-horizontal" method="post">
			<input type="hidden" name="cartId" value="<%=request.getParameter("cartId") %>" />
			<div class="form-group row">
				<label class="col-sm-2">성명</label>
				<div class="col-sm-3">
					<input name="name" type="text" class="form-control" />
				</div>
			</div>
			<div class="form-group row">
				<label class="col-sm-2">배송일</label>
				<div class="col-sm-3">
					<input name="shippingDate" type="text" class="form-control" />(yyyy/mm/dd)
				</div>
			</div>
			<div class="form-group row">
				<label class="col-sm-2">국가</label>
				<div class="col-sm-3">
					<input name="country" type="text" class="form-control" />
				</div>
			</div>
			<div class="form-group row">
				<label class="col-sm-2">우편번호</label>
				<div class="col-sm-3">
					<input name="zipCode" type="text" class="form-control" />
				</div>
			</div>
			<div class="form-group row">
				<label class="col-sm-2">주소</label>
				<div class="col-sm-5">
					<input name="addressName" type="text" class="form-control" />
				</div>
			</div>
			<div class="form-group row">
				<div class="col-sm-offset-2 col-sm-10">
					<a href="./cart.jsp?cartId=<%=request.getParameter("cartId") %>" class="btn btn-secondary" role="button">이전</a>
					<input type="submit" class="btn btn-primary" value="등록" />
					<a href="./checkOutCancelled.jsp" class="btn btn-secondary" role="button">취소</a>
				</div>
			</div>
		</form>
	</div>
</body>
</html>

processShippingInfo.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<%@ page import="java.net.URLEncoder"%>
<%
	request.setCharacterEncoding("UTF-8");
	
	Cookie cartId = new Cookie("Shipping_cartId", URLEncoder.encode(request.getParameter("cartId"),"utf-8"));
	Cookie name = new Cookie("Shipping_name", URLEncoder.encode(request.getParameter("name"),"utf-8"));
	Cookie shippingDate = new Cookie("Shipping_shippingDate", URLEncoder.encode(request.getParameter("shippingDate"),"utf-8"));
	Cookie country = new Cookie("Shipping_country", URLEncoder.encode(request.getParameter("country"),"utf-8"));
	Cookie zipCode = new Cookie("Shipping_zipCode", URLEncoder.encode(request.getParameter("zipCode"),"utf-8"));
	Cookie addressName = new Cookie("Shipping_addressName", URLEncoder.encode(request.getParameter("addressName"),"utf-8"));
	
	cartId.setMaxAge(24 * 60 * 60);
	name.setMaxAge(24 * 60 * 60);
	zipCode.setMaxAge(24 * 60 * 60);
	country.setMaxAge(24 * 60 * 60);
	addressName.setMaxAge(24 * 60 * 60);
	
	response.addCookie(cartId);
	response.addCookie(name);
	response.addCookie(shippingDate);
	response.addCookie(country);
	response.addCookie(zipCode);
	response.addCookie(addressName);
	
	response.sendRedirect("orderConfirmation.jsp");
%>

orderConfirmation.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<%@ page import="java.net.URLDecoder"%>
<%@ page import="java.util.ArrayList" %>
<%@ page import="dto.Book" %>
<%@ page import="dao.BookRepository" %>

<%
	request.setCharacterEncoding("UTF-8");
	
	String cartId = session.getId();
	
	String shipping_cartId ="";
	String shipping_name ="";
	String shipping_shippingDate ="";
	String shipping_country ="";
	String shipping_zipCode ="";
	String shipping_addressName ="";
	
	Cookie[] cookies = request.getCookies();
	
	if(cookies != null) {
		for (int i = 0; i< cookies.length; i++) {
			Cookie thisCookie = cookies[i];
			String n = thisCookie.getName();
			if(n.equals("Shipping_cartId"))
				shipping_cartId = URLDecoder.decode((thisCookie.getValue()),"utf-8");
			if(n.equals("Shipping_name"))
				shipping_name = URLDecoder.decode((thisCookie.getValue()),"utf-8");
			if(n.equals("Shipping_shippingDate"))
				shipping_shippingDate = URLDecoder.decode((thisCookie.getValue()),"utf-8");
			if(n.equals("Shipping_country"))
				shipping_country = URLDecoder.decode((thisCookie.getValue()),"utf-8");
			if(n.equals("Shipping_zipCode"))
				shipping_zipCode = URLDecoder.decode((thisCookie.getValue()),"utf-8");
			if(n.equals("Shipping_addressName"))
				shipping_addressName = URLDecoder.decode((thisCookie.getValue()),"utf-8");
		}
	}
%>
<html>
<head>
<link rel = "stylesheet" href = "./resources/css/bootstrap.min.css" />
<title>주문 정보</title>
</head>
<body>
	<jsp:include page="menu.jsp" />
	<div class="jumbotron">
		<div class="container">
			<h1 class="display-3">주문 정보</h1>
		</div>
	</div>
	
	<div class="container col-8 alert alert-info">
		<div class="text-center" >
			<h1>영수증</h1>
		</div>
		<div class="row justify-content-between">
			<div class="col-4" align="left">
				<strong>배송 주소</strong> <br> 성명 : <% out.println(shipping_name); %>	<br>
				우편번호 : <%out.println(shipping_zipCode); %><br>
				주소 : <%out.println(shipping_addressName); %>(<% out.println(shipping_country); %>) <br>
			</div>
			<div class="col-4" align="right">
				<p>	<em>배송일: <%out.println(shipping_shippingDate); %></em>
			</div>
		</div>
		<div>
			<table class="table table-hover">
				<tr>
					<th class="text-center">도서</th>
					<th class="text-center">#</th>
					<th class="text-center">가격</th>
					<th class="text-center">소계</th>
				</tr>
				<%
					int sum = 0;
					ArrayList<Book> cartList = (ArrayList<Book>) session.getAttribute("cartlist");
					if(cartList == null)
						cartList = new ArrayList<Book>();
					for (int i = 0; i< cartList.size(); i++) { //상품 리스트 하나씩 출력하기
						Book book = cartList.get(i);
						int total = book.getUnitPrice() * book.getQuantity();
						sum = sum + total;
				%>
				<tr>
					<td class="text-center"><em><%=book.getName() %></em></td>
					<td class="text-center"><%=book.getQuantity() %></td>
					<td class="text-center"><%=book.getUnitPrice() %>원</td>
					<td class="text-center"><%=total %>원</td>
				</tr>
				<%
					}
				%>
				<tr>
					<td></td>
					<td></td>
					<td class="text-right"><strong>총액: </strong></td>
					<td class="text-center text-danger"><strong><%=sum %></strong></td>
				</tr>
			</table>
			
			<a href="./shippingInfo.jsp?cartId=<%=shipping_cartId %>"class="btn btn-secondary" role="button">이전</a>
			<a href="./thankCustomer.jsp" class="btn btn-success" role="button">주문 완료</a>
			<a href="./checkOutCancelled.jsp" class="btn btn-secondary" role="button">취소</a>
		</div>
	</div>
</body>
</html>

thankCustomer.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<%@ page import="java.net.URLDecoder"%>
<html>
<head>
<link rel = "stylesheet" href = "./resources/css/bootstrap.min.css" />
<title>주문 완료</title>
</head>
<body>
	<%
		String shipping_cartId ="";
		String shipping_name ="";
		String shipping_shippingDate ="";
		String shipping_country ="";
		String shipping_zipCode ="";
		String shipping_addressName ="";
		
		Cookie[] cookies = request.getCookies();
		
		if (cookies != null) {
			for (int i = 0; i < cookies.length; i++) {
				Cookie thisCookie = cookies[i];
				String n = thisCookie.getName();
				if (n.equals("Shipping_cartId"))
					shipping_cartId = URLDecoder.decode((thisCookie.getValue()), "utf-8");
				if (n.equals("Shipping_shippingDate"))
					shipping_shippingDate = URLDecoder.decode((thisCookie.getValue()), "utf-8");
			}
		}
	%>
	<jsp:include page="menu.jsp" />
	<div class="jumbotron">
		<div class="container">
			<h1 class="display-3">주문 완료</h1>
		</div>
	</div>
	<div class="container">
		<h2 class="alert alert-danger">주문해주셔서 감사합니다:></h2>
		<p> 주문은 <%	out.println(shipping_shippingDate); %>에 발송될 예정입니다!
		<p> 주문번호 : <% out.println(shipping_cartId); %>
	</div>
	<div class="container">
		<p> <a href="./books.jsp" class="btn btn-secondary">&laquo; 상품 목록</a>
	</div>
</body>
</html>
<%
	session.invalidate();
	
	for (int i = 0; i < cookies.length; i++) {
		Cookie thisCookie = cookies[i];
		String n = thisCookie.getName();
		if (n.equals("Shipping_cartId"))
			thisCookie.setMaxAge(0);
		if (n.equals("Shipping_name"))
			thisCookie.setMaxAge(0);
		if (n.equals("Shipping_shippingDate"))
			thisCookie.setMaxAge(0);
		if (n.equals("Shipping_country"))
			thisCookie.setMaxAge(0);
		if (n.equals("Shipping_zipCode"))
			thisCookie.setMaxAge(0);
		if (n.equals("Shipping_addressName"))
			thisCookie.setMaxAge(0);
			
		response.addCookie(thisCookie);
	}
%>

checkOutCancelled.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<html>
<head>
<link rel = "stylesheet" href = "./resources/css/bootstrap.min.css" />
<title>주문 취소</title>
</head>
<body>
	<jsp:include page="menu.jsp" />
	<div class="jumbotron">
		<div class="container">
			<h1 class="display-3">주문 취소</h1>
		</div>
	</div>
	<div class="container">
		<h2 class="alert alert-danger">주문이 취소되었습니다.</h2>
	</div>
	<div class="container">
		<p> <a href="./books.jsp" class="btn btn-secondary">&laquo; 상품 목록</a>
	</div>
</body>
</html>
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