购物车【JavaWeb小项目、简单版】

为了巩固MVC的开发模式，下面就写一个购物车的小案例..

①构建开发环境 导入需要用到的开发包

建立程序开发包

②设计实体 书籍实体

public class Book { private String id; private String name; private String author; private String description; private double price; public Book() { } public Book(String id, String name, String author, String description, double price) { this.id = id; this.name = name; this.author = author; this.description = description; this.price = price; } //...各种setter和getter }