论文总字数：23511字

摘 要

随着计算机科学技术的飞速发展，互联网的全球化使人类社会进入信息新时代，给广大网民提供更加周到的个性化服务。电子商务是以信息网络技术为手段，以商品交换为目的的一种新型的购物方式。也可以理解为在互联网，内联网和增值网络（VAN增值网），为交易活动和相关服务活动的电子交易。是电子，网络化，信息的各种方面的传统商业活动，并且是在信息时代的商业模式的一个重大变化，是未来贸易方式的发展方向。电子商务技术的发展促进了世界经济的发展，网上商店，网上交易等又促进电子商务技术的发展。

随着电子商务的逐步发展，传统的商业的模式已经越来越不能不能满足百姓的需求。而网上二手商品市场可以说是一个典型的解决方案，相比传统模式，网上二手商品交易，更方便，更省时，更省力。

本次的二手市场交易系统的实现，首先没有注册的用户要先注册成会员，然后用户使用已经注册的用户名和密码登录进入主页面，在主要面用户可以浏览商品，也可以用搜索功能对商品进行搜索，用户找到自己要购买的商品，可以对其进行直接购买，也可以把商品先放入购物车，然后在对其购买，用户购买完商品后，可以根据系统生成的订单号对商品进行订单查询，也可以直接在我的订单页面查看订单详细信息。用户还可以对该商品的卖家进行留言，发表自己对该商品的意见。已经注册的用户还可以在前台页面对自己注册的信息进行编辑，已达到自己满意的效果。前台用户提交订单后，后台管理员可以对订单进行管理，主要有删除订单、查看订单、清空本系统中的所有订单记录等。删除订单可以根据一个月前的订单记录、一个星期前的订单记录、一天前的订单记录、一个小时前的订单记录进行删除。管理员可以对前台用户提交的订单进行查看，也可以对订单的状态进行更新。清空订单记录，管理员可以把系统中的所有订单进行清空，但一但清空，所有的记录将被删除，且不可恢复。一般清空系统订单记录，是在年终计算完毕后进行。后台管理员还可以对二手商品进行管理，主要包括添加二手商品、修改二手商品、删除二手商品等。还可以对二手商品的分类进行管理，主要是添加二手商品分类、修改二手商品分类、删除二手商品分类等等。管理员还可对用户进行管理，比如删除会员、修改会员、新增会员。邮件的配送方式也可以通过后台进行设置，比如，添加快递方式、删除快递方式等。

该主题是对网上二手物品交易的实际应用，根据网上二手物品交易系统的应用需求，要进行需求分析和系统设计等方案实施。并使用SQL SERVER和ASP.NET等关键技术对其设计。

关键词：电子商务;网上购物;二手交易;ASP.NET;SQL SERVER

Abstract

With the rapid development of computer science and technology, the globalization of Internet makes the human society entering a new era of information, the majority of Internet users to provide more thoughtful personalized service. E-commerce is the use of information network technology, the commodity exchange is a new way of shopping purposes. It can be understood as the Internet, intranet and value-added network (VAN value-added network), electronic transaction activities and related service activities. The electronic, networking, information on various aspects of traditional business activities, and is a major change in the information age business model, trade is the future direction of development. The development of e-commerce technology promotes the development of the world,the economy of online stores, online transactions, and promotes the development of e-commerce technology

With the gradual development of the electronic commerce and the traditional business model has become increasingly cannot satisfy people"s demand. And second-hand goods online market can say is a typical solution, compared to the traditional model, second-hand goods online trading is more convenient, more time and more effective.

To entet secondary market trading system , the first registered user need to register as a member, and then the user login registered user name and password to enter the main page, users can browse the goods in the main surface, can also be commodity search in the search function, users find their goods to be purchased, they can do the direct purchase, and can also put the merchandise into the shopping car first, and then in their purchase, users can buy finished good. According to the system generated order number order of commodity information, you can also view the order details in my page. Users can also direct orders for the goods of the seller to express their message. Comments on the goods. Registered users can also register to yourself in the front page of the information editing, which has achieved satisfactory results. The user himself after submitting the order, The administrator can manage the orders, mainly delete orders, check order, empty the system in all orders records. Delete orders according to a month before the order records, a week before the order records, the day before the order records, an hour before the order. The administrator can delete records submit customer orders on the front view, can also order status updates. Empty order record, the administrator can put all the orders in the system were empty, but empty, all records will be deleted and cannot be recovered. The general order is empty the system records, after calculation at the end of the year. Administrators can also manage the second-hand goods, including add secondhand goods, modify second-hand goods anddelete second-hand goods. They can also delete the classification of second-hand goods management, mainly Add second-hand goods classified and used to modify the classification of goods, the remove second-hand commodity classification and so on. The administrator may also carries on the management to the user, such as delete members, revise the members, new members. Mail distribution can also be set by the background, for example, to add a courier and delete the express way.

The theme is the practical application of online second-hand goods trading. According to the requirements of the application of the online transactions of second-hand goods system, to implement the requirement analysis and system design scheme, and use the SQL server and ASP. Net,which is the key technology of the design.

Keywords: Electronic Commerce; online shopping ; secondary trading; ASP.NET SQL SERVER

目录

摘 要 I

Abstract II

第一章 引言 1

1.1开发背景和意义 1

1.2 研究的方法 1

1.3研究现状 2

第二章 系统需求分析 3

2.1可行性分析 3

2.2 系统功能需求分析 4

2.2.1 系统角色分析 4

2.3 本章小结 5

3.1系统分析 6

3.2系统大体架构设计 6

3.3功能模块设计 6

3.4流程设计 7

3.4.1 前台购物流程 7

3.4.2 注册功能流程 8

3.4.3 商品搜索流程 9

3.4.4 用户的登录流程 10

3.4.5 后台商品管理流程 11

3.4.6 购物车流程 11

3.5 数据库设计 11

3.5.1数据表 E-R图设计 12

3.5.2数据表结构 15

3.6本章小结 17

第四章 系统实现 18

4.1平台功能说明 18

4.1.1前台功能 18

4.1.2后台功能 18

4.2 模块功能详细设计 18

4.2.1 前台界面功能设计 18

4.2.2 会员信息功能设计 19

4.2.3 商品展台功能设计 19

4.2.4 购物车功能设计 20

4.2.5 后台功能设计 20

4.2.6 用户设置功能设计 20

4.2.7 商品设置功能设计 20

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