7. 스프링 MVC - 웹 페이지 만들기(타임리프, PRG, RedirectAttribute)정리Item - 상품 객체, Repository@Datapublic class Item { private Long id; private String itemName; private Integer price; private Integer quantity; public Item() { } public Item(String itemName, Integer price, Integer quantity) { this.itemName = itemName; this.price = price; this.quantity = quantity; }}리포지..