网上拍卖系统之用户拍卖子系统的设计与实现

摘要
网上拍卖是当前一种非常活跃的C2C电子商务模式，它利用互联网在网站上公开发布将要招标的物品或者服务的信息，通过竞争投标的方式将它出售给出价最高或最低的投标者。其实质是以竞争价格为核心，建立生产者和消费者之间的交流与互动机制，共同确定价格和数量，从而达到均衡的一种市场经济过程。
基于网上拍卖的强大生命力及市场发展前景，本次毕业设计我尝试着深入地了解和分析网上拍卖的主要应用和特点，并详细设计与实现了基于JSP技术的网上拍卖系统之用户拍卖子系统。主要实现功能包括用户注册和登录管理、用户商品管理、商品竞拍管理、用户互动管理、用户评价管理等。该系统采用典型的MVC模式进行开发，借助Struts1.2+Spring2.0+Hibernate3.1（SSH）组合框架进行开发实现，使系统具有较高的安全性、稳定性、灵活性、可配置性、可扩展性和可维护性，同时采用Ajax技术，通过dwr组件实现页面部分刷新功能，提高页面响应效率，为用户提供友善的操作界面，全面提高系统的性能。
本论文主要以商品管理和商品拍卖、用户注册动态验证及系统安全访问为例具体介绍其实现过程。明确需求，合理分析，灵活设计，全面测试，是本次毕业设计得以顺利完成的主要保障。

关键词：网上拍卖，C2C，MVC，SSH，Ajax
 
ABSTRACT
Online auction is one kind of active C2C e-commerce model at the moment.It publishs goods or services information that will be bade on the site by using the Internet and sells them to the highest bidder  through a competitive bidding.With competitive bidding at the core,the essence is to establish producers and consumers exchange and interaction machanisms,common to determine the price and quantity,so as to achieve a balanced market economy.
Based on its strong vitality and development prospects of the market,I tried to have a deeper understanding and analysis on the main applications and characteristics of online auction in my graduation project and detailedly designed and implemented the user auction subsystem of online auction system based on JSP technology.The main implementation includes user registration and logining management, user goods management, goods bidding management, user interaction management, user evaluation management and so on. The system is developed With a typical MVC design pattern using Struts1.2 + Spring2.0 + Hibernate3.1 (SSH) combination of programming frameWork, so that to achieve a high degree of security, stability, flexibility, configurability, scalability And maintainability. In order to improve the efficiency of the response to the page, We use Ajax technology and dwr components to achieve through partial page refresh function, Which can not only provide users with a friendly interface but also improve the system performance.
In this paper I mainly take goods management and bidding management,dynamic authentication of user registration and system secure access as examples to detailedly introduce the implementation process.only with clear requirement,reasonable analysis,flexible design and comprehensive test can I finish my graduation project smoothly.

Key  Words: Online Auction，C2C，MVC，SSH，Ajax

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