文档介绍：摘 要
随着计算机科学的发展，互联网的全球化热潮使人类社会进入了一个新的信息时代，为广大网络用户提供了更加周到和个性化的服务。而电子商务（Electronic Commerce）是信息时代商务模式的实质性变革，是未来贸易方式的发展方向。电子商务技术的发展推动了全球经济的发展，网上政府、网上商店、网上交易等等又推动了电子商务技术的发展。
随着电子商务的逐渐发展壮大，许多传统的商务行为在互联网络上有了更好的发挥。二手电子商品市场可以说是一个典型的例子，比起传统的二手交易，网上二手交易相比传统经营模式更加便捷，且实时性强，信息资源丰富，发展空间巨大。设计和实现二手商品电子商务系统，必须解决电子商务系统的技术结构设计以及建设过程中涉及的技术问题，再配合其他方案，建成完整的电子商务系统。
本课题根据二手商品交易实际应用建立一个电子商务系统。根据二手商品电子商务系统的应用需求，进行需求分析，并对网站系统规划设计。运用和SQL 2005等关键技术建设二手商品交易商务网站。
关键词：电子商务 网上购物 数据库
Title： Design and Implementation of Second-hand Goods Trading
Business Website
Abstract：
With the development of computer science, Internet globalization upsurge caused the human society entering a new information age, with a more thoughtful and personalized service to the masses of network users. Electronic commerce is the essential change of commerce pattern in the information age, is the development direction of future trade way。The development of the electronic commerce technology promotes the development of the global economy, government online, online stores, online transactions, and promote the development of the electronic commerce technology.
With the growing development of electronic commerce, the business behavior of many traditional had better play in the Internet. Second-hand electronic products market can be said to be a typical example. Compared with the traditional secondary transactions, an online transaction of second-hand compared to the traditional mode of operation is more convenient and strong real-time, rich information resources, a huge space for development. Design and implementation of the electronic commerce system, relates to the technical problems to be solved in electronic commerce system structure design and construction process, together with other schemes, built a complete e-commerce system.
According to the practical application of second-hand commodity trading to establish an electronic commerce system. According to the application requiremen