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本科毕业设计（论文）校园二手商品交易系统的设计与实现学号：学生姓名：指导教师：所在学院：所学专业：2015年5月II摘要本文阐述了《校园二手商品交易系统》的开发背景、意义和目前发展的情况，详细的阐述了校园二手商品交易系统的主要设计思想和实现方案。该系统主要采用基于B/S模式的三层数据处理结构，开发环境选用当前普遍采用的J2EE架构+Struts框架，主要编程语言为Java，数据库为SQLServer数据库，服务器方面使用Tomcat为项目主要服务器。依照软件项目管理、数据库设计等有关理论进行开发与设计。本系统运行结果可以满足广大高校师生的正常使用需求。文章详细介绍了校园二手商品交易系统的开发背景，需求分析，软硬件环境，系统总体设计，系统详细设计，系统代码设计以及后期的测试与维护中的问题。设计部分列出了主要的项目运行图解，并附带了相关业务逻辑部分的关键代码。本系统的主要功能有：商品浏览、商品搜索、商品信息管理、订单管理、购物车管理、新闻资讯管理、通知公告管理、留言管理等功能。关键词：校园；二手商品；交易系统；B/SIIIIAbstractThispaperexpoundsthedevelopmentbackground,thesignificanceandthepresentdevelopmentsituationofthecampussecond-handgoodstradingsystem,elaboratethemaindesignideasandimplementationschemeofthesystem.Themaintechnicalsystemswereusedintheanalysisandselectionofpresentation,thethree-tierdataprocessingstructurewhichisbasedonB/Shasbeenadopted,undertheenvironmentofJ2EEarchitecture+Strutsframework,themainprogramminglanguageisJava,databaseisSQLServerdatabase,serverusingTomcatasmainprojectserver.Designanddevelopmentinaccordancewiththerelevanttheoryofsoftwareprojectmanagementanddatabasedesign.Therunningresultsofthesystemcanbenormalusetomeettheneedsofusers,thecollegeteachersandstudents.Thispaperintroducesindetailthecampussecond-handgoodstradingsystemdevelopmentbackground,needsanalysis,hardwareandsoftwareenvironment,systemdesign,systemdetaileddesign,systemcodedesignandposttestingandmaintenanceproblems.Designpartliststhemainprojectoperationdiagram,andwiththekeycodeofthebusinesslogic.Themainfunctionsofthissystemarecommoditybrowsing,productsearch,productinformationmanagement,ordermanagement,shoppingcartmanagement,newsmanagement,announcementmanagement,messagemanagement,andotherfunctions.Keywords:Campus;Second-handGoods;TradingSystem;B/S目录摘要........................................................................................................................IAbstract......................................................................................................................II第1章概述...............................................................................................................11.1项目开发背景..................................................................................................11.2选择此项目的依据和目的..............................................................................11.3国内外动态......................................................................................................11.4项目开发思想..................................................................................................2第2章方案论证.......................................................................................................32.1可行性分析......................................................................................................32.1.1经济可行性分析.......................................................................................32.1.2技术可行性分析.......................................................................................32.1.3管理可行性分析.......................................................................................32.2最佳设计方案选择..........................................................................................42.2.1所使用的语言...........................................................................................42.2.2所涉及的主要技术与框架.......................................................................42.2.3所使用的主要开发工具...........................................................................5第3章需求分析.......................................................................................................63.1问题分析..........................................................................................................63.1.1系统总体目标需求...................................................................................63.1.2系统设计性能要求...................................................................................63.2功能需求..........................................................................................................73.3系统数据流图..................................................................................................73.4数据字典..........................................................................................................83.4.1数据流.......................................................................................................83.4.2主要数据储存定义...................................................................................83.5系统业务流程分析........................................................................................103.6数据库概念设计E-R图.................................................................................11第4章过程论述.....................................................................................................154.1概要设计........................................................................................................154.1.1设计原则.................................................................................................154.1.2系统功能模块分析.................................................................................164.1.3系统总