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[쉽게 배운는 JSP 웹 프로그래밍] 5장 웹 쇼핑몰 예제 코드 본문

IT/쉽게 배우는 JSP 웹 프로그래밍

[쉽게 배운는 JSP 웹 프로그래밍] 5장 웹 쇼핑몰 예제 코드

yuullog 2022. 11. 27. 17:59
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WebMarket/src/dao/ProductRepository.java

package dao;

import java.util.ArrayList;

import dto.Product;

public class ProductRepository {
	
	private ArrayList<Product> listOfProducts = new ArrayList<Product>();
	
	public ProductRepository() {
		Product phone = new Product("P1234", "iPhone 6s", 800000);
		phone.setDescription("4.7-inch, 1334X750 Renina HD display, 8-megapixel iSight Camera");
		phone.setCategory("Smart Phone");
		phone.setManufacturer("Apple");
		phone.setUnitsInStock(1000);
		phone.setCondition("New");
		
		Product notebook = new Product("P1235", "LG PC 그램", 1500000);
		notebook.setDescription("13.3-inch, IPS LED display, 5rd Generation Intel Core processors");
		notebook.setCategory("Notebook");
		notebook.setManufacturer("LG");
		notebook.setUnitsInStock(1000);
		notebook.setCondition("Refurbished");
		
		Product tablet = new Product("P1236", "Galaxy Tab S", 900000);
		tablet.setDescription("212.8*125.6*6.6mm, Super AMOLED display, Octa-core processor");
		tablet.setCategory("Tablet");
		tablet.setManufacturer("Samsung");
		tablet.setUnitsInStock(1000);
		tablet.setCondition("Old");
		
		listOfProducts.add(phone);
		listOfProducts.add(notebook);
		listOfProducts.add(tablet);
		
	}
	
	public ArrayList<Product> getAllProducts() {
		return listOfProducts;
	}
	
	// listOfProducts에 저장된 모든 상품 목록에서 상품 아이디와 일치하는 상품 가져오는 메소드 
	public Product getProductById(String productId) {
		Product productById = null;
		
		for(int i=0; i<listOfProducts.size(); i++) {
			Product product = listOfProducts.get(i);
			if(product != null && product.getProductId() != null && product.getProductId().equals(productId)) {
				productById = product;
				break;
			}
		}
		return productById;
	}
}

 

WebMarket/WebContent/products.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<%@ page import="java.util.ArrayList"%>
<%@ page import="dto.Product" %>
<jsp:useBean id="productDAO" class="dao.ProductRepository" scope="session" />
<html>
<head>
<link rel = "stylesheet"
	href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<title>상품 목록</title>
</head>
<body>
	<jsp:include page="menu.jsp" />
	<div class="jumbotron">
		<div class="container">
			<h1 class="display-3">상품 목록</h1>
		</div>
	</div>
	<%
		ArrayList<Product> listOfProducts = productDAO.getAllProducts();
	
	%>
	<div class="container">
		<div class="row" align="center">
		<%
			for(int i=0; i<listOfProducts.size(); i++) {
				Product product = listOfProducts.get(i);
		%>
		<div class="col-md-4">
			<h3><%=product.getPname() %></h3>
			<p><%=product.getDescription() %>
			<p><%=product.getUnitPrice() %>원
			<p> <a href="./product.jsp?id=<%=product.getProductId() %>"
			class="btn btn-secondary" role="button"> 상세 정보 &raquo;</a>
		</div>
			<%
				}
			%>
		</div>
		<hr>
	</div>
	<jsp:include page="footer.jsp"/>
	
</body>
</html>

 

WebMarket/WebContent/product.jsp

<%@ page contentType="text/html; charset=utf-8"%>
<%@ page import="dto.Product" %>
<jsp:useBean id="productDAO" class="dao.ProductRepository" scope="session" />
<html>
<head>
<link rel = "stylesheet"
	href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<title>상품 상세 정보</title>
</head>
<body>
	<jsp:include page="menu.jsp" />
	<div class="jumbotron">
		<div class="container">
			<h1 class="display-3">상품 정보</h1>
		</div>
	</div>
	
	<%
		String id = request.getParameter("id");
		Product product = productDAO.getProductById(id);
	%>
	<div class="container">
		<div class="row">
			<div class="col-md-6">
				<h3><%=product.getPname() %></h3>
				<p><%=product.getDescription() %>
				<p> <b>상품 코드 : </b><span class="badge badge-danger"><%=product.getProductId() %></span>
				<p> <b>제조사</b> : <%=product.getManufacturer() %>
				<p> <b>분류</b> : <%=product.getCategory() %>
				<p> <b>재고 수</b> : <%=product.getUnitsInStock() %>
				<h4><%=product.getUnitPrice() %>원</h4>
				<p> <a href="#" class="btn btn-info"> 상품 주문 &raquo;</a>
				<a href="./products.jsp" class="btn btn-secondary">상품 목록 &raquo;</a>
				
			</div>
		
		</div>
		<hr>
	</div>
	
	<jsp:include page="footer.jsp"/>
</body>
</html>

 

WebMarket/WebContent/welcome.jsp

<%@ page contentType="text/html; charset=utf-8" %>
<%@ page import="java.util.Date" %>
<html>
<head>
<link rel = "stylesheet"
	href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<title>Welcome</title>
</head>
<body>
	
	<%@ include file="menu.jsp" %>
	
	<%! String greeting = "웹 쇼핑몰에 오신 것을 환영합니다";
	String tagline = "Welcome to Web Market!"; %>
	
	<div class = "jumbotron">
		<div class = "container">
			<h1 class = "display-3">
				<%= greeting %>
			</h1>
		</div>
	</div>
	
	<div class = "container">
		<div class = "text-center">
			<h3>
				<%= tagline %>
			</h3>
			<%
				response.setIntHeader("Refresh", 5);
				Date day = new java.util.Date();
				String am_pm;
				int hour = day.getHours();
				int minute = day.getMinutes();
				int second = day.getSeconds();
				if (hour / 12 == 0) {
					am_pm = "AM";
				} else {
					am_pm = "PM";
					hour = hour - 12;
				}
				String CT = hour + ":" + minute + ":" + second + " " + am_pm;
				out.println("현재 접속 시각 : " + CT + "\n");
			%>
		</div>
		<hr>
	</div>
	
	<%@ include file="footer.jsp" %>
</body>
</html>
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