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1、基于基于 JSP 技术的网上购物车系统设计技术的网上购物车系统设计Online shopping cart syestem designing based on JSP technology摘摘 要要现今网络技术日趋成熟，网上购物正悄然兴起并正在被广大消费者迅速接受。网上购物系统在此期间应运而生，它通过网络服务器为分布在全国各城市的顾客提供购买商品的服务。从销售商来看，由于在价格上省去了实体店铺的租金、水电、人工等成本，网上购物的商品价格更低，提高了销售商的竞争力。从顾客购买过程来看，网上购物能够降低搜寻成本，便于消费者对产品的挑选和价格比较。网上购物系统的主要内容是，一方面让卖家把商品发布于
2、网络，一方面让买家通过网络来完成商品的交易。系统总体分成前台和后台两大模块，前台是用户模块，后台是管理员模块。实现的功能，首先系统向用户列出网站的商品信息。其次当顾客登录网上购物系统后，为每个用户分配一个购物车，用户选择商品后，商品会被放入购物车。再次，用户确认购物车信息，点击提交生成订单。最后，管理员对订单进行处理，即完成一次商品交易。系统实习按照 MVC 设计模式，采用 JSP 技术作视图层，Struts 技术作控制层，JDBC 技术作模型层。采用 MVC 设计模型，增加了系统的可拓展性与可维护性，便于开发的补充和维护。关键词：关键词：购物车；JSP；MVC 模式；系统AbstractNo
3、wdays the network technology has a graducal maturity, online shopping is quietly emerging and is being quickly accepted by a lot of people. Online shopping system came into being during this period. It provides service for the customers through a web server. For the vendors, the entities shops rent,
4、 utilities, wages will save much money, so the products have a lower price, and make it more competitive. For the customers, online shopping can reduce searching costs on selecting product and comparing price of products. To be done by the system one is that the products are published on the Interne
5、t by vendors, other is that customers buy goods to complete the transaction through the network. So the system is divided into two modules. One is the foreground and the other is the background. The foreground is user module, the background is the administrator modules. Firstly, the system lists pro
6、ducts information to customers by administrator. Secondly when customers login to the system, the system distributes a shopping cart for each customer and goods will be put into the shopping cart after customer selecting products. Thirdly, the customers click to generate order when they checked cart
7、s informatlon. Finally, the admimistrator comes to deal with goods according to orders. System is designed according to the MVC mode. JSP technology used for the view layer, Struts technology for the control layer, Hibernate, JDBC technology for the model layer. MVC make the system easily expand and
8、 maintainability, convenient to supplement and maintain the development. Key words:Shopping cart; JSP; MVC Model; System目目 录录一一 、系统概述、系统概述.1（一）开发背景.1（二）系统的主要内容.2（三）系统的主要业务.2（四）开发与运行环境.2二、设计原理二、设计原理.3（一）系统描述.3（二）相关术语.3（三）主要技术.4三、需求分析三、需求分析.7（一）系统的用例分析.7（二）可行性研究.7四、系统的设计四、系统的设计.8（一）系统功能模块.9（二）数据库设计.9五、系统的详细设五、系统的详细设计计.11（一）包结构.11（二）类图.11（三）Action 组件映射图.12（四）用户登录的 MVC 模式以及相关代码.14六、系六、系统统测试测试.18（一）测试计划.18（二）测试以及结果分析.19结结 语语.23致致 谢谢.23主要参考文献主要参考文献.24一一 、系统概述、系统概述（一）开发背景（一）开发背景本节简述了网上购物信息化建设的现状及其发展方向，分析了网络用户对网络购物系统的需求。1.电子商务信息化建设电子商
