This document outlines the implementation of a simple shopping cart using Spring Framework and MyBatis. It includes details on project setup, configuration files, a model for 'goods', a controller for managing requests, and a JSP view for displaying and adding items to the cart. The instructions provide a clear step-by-step guide to create a functional web application with essential components.

1. 스프링프레임워크 & 마이바티스
(Spring Framework, MyBatis)
6-18. Spring WEB MVC쇼핑카트(@SessionAttibutes,
@ModelAttribute)
 Spring WEB MVC를 이용하여 간단하게 장바구니를 구현하자.
 장바구니에 담길 상품항목은 name, price, cnt 정도로 하자
1. STS에서
File  New  Spring Legacy Project
Project Name : spring4cart
Spring MVC Project 선택
다음 화면의 top level package에서 a.b.spring4cart 입력
전체 프로젝트 구성은 아래 그림과 같다.

2. 2. pom.xml]
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-
4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework.samples.service.service</groupId>
<artifactId>spring4rest</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<!-- Generic properties -->
<java.version>1.6</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<!-- Web -->
<jsp.version>2.2</jsp.version>
<jstl.version>1.2</jstl.version>

3. <servlet.version>2.5</servlet.version>
<!-- Spring -->
<spring-framework.version>4.2.4.RELEASE</spring-framework.version>
<!-- Hibernate / JPA -->
<hibernate.version>4.2.1.Final</hibernate.version>
<!-- Logging -->
<logback.version>1.0.13</logback.version>
<slf4j.version>1.7.5</slf4j.version>
<!-- Test -->
<junit.version>4.11</junit.version>
</properties>
<dependencies>
<!-- Spring MVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Other Web dependencies -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>

4. <version>${jsp.version}</version>
<scope>provided</scope>
</dependency>
<!-- Spring and Transactions -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Logging with SLF4J & LogBack -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
<scope>runtime</scope>
</dependency>
<!-- Hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.version}</version>
</dependency>
<!-- Test Artifacts -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-framework.version}</version>
<scope>test</scope>

5. </dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
3. /WEB-INF/web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<!-- The definition of the Root Spring Container shared by all Servlets and Filters -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/root-context.xml</param-value>
</context-param>
<!-- Creates the Spring Container shared by all Servlets and Filters -->
<listener>
<listener-
class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- Processes application requests -->
<servlet>
<servlet-name>appServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-
value>

6. </init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>appServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
4. /WEB-INF/spring/appServlet/servlet-context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- DispatcherServlet Context: defines this servlet's request-processing infrastructure -->
<!-- Enables the Spring MVC @Controller programming model -->
<annotation-driven />
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static
resources in the ${webappRoot}/resources directory -->
<resources mapping="/resources/**" location="/resources/" />
<!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-
INF/views directory -->
<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />

7. </beans:bean>
<context:component-scan base-package="onj.edu.spring4cart" />
</beans:beans>
5. 쇼핑몰에 담길 상품(Goods.java)
package onj.edu.spring4cart;
public class Goods {
private String name; //상품명
private int cnt; //개수
private int price; //가격
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getCnt() {
return cnt;
}
public void setCnt(int cnt) {
this.cnt = cnt;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
}
6. 컨트롤러[HomeController.java]
package onj.edu.spring4cart;
import java.util.ArrayList;

8. import java.util.List;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.SessionAttributes;
@Controller
@RequestMapping("/")
@SessionAttributes({"cart"})
public class HomeController {
@RequestMapping(method = RequestMethod.GET)
public String getCart(Model model) {
if (!model.containsAttribute("cart")) {
model.addAttribute("cart", new ArrayList<Goods>());
}
return "home";
}
@RequestMapping(value="add", method = RequestMethod.POST)
public String add(@ModelAttribute Goods goods,
@ModelAttribute("cart") List<Goods> cart) {
cart.add(goods);
return "redirect:/";
}
}
7. /WEB-INF/views/home.jsp
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="f" %>
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form" %>
<html>
<head>

9. <title>OracleJava Community Spring4 MVC Cart</title>
</head>
<body>
<h1>
OracleJava Community Spring4 MVC Cart
</h1>
<c:forEach items="${cart}" var="goods">
Name : ${goods.name}, Price : ${goods.price}, Cnt : ${goods.cnt }
<br/>
</c:forEach>
<br><br>
<h1>Add Cart...</h1>
<form method="post" action="add">
Name : <input type="text" name="name"><br>
Price : <input type="text" name="price"><br>
Cnt : <input type="text" name="cnt"> <br><br>
<button>Add Goods...</button>
</form>
</body>
</html>
8. 실행
http://localhost:8080/spring4cart/