北京理工大学珠海学院2020届本科生毕业设计在线拍卖数据分析及拍卖预测系统设计与实现在线拍卖数据分析及拍卖预测系统设计与实现摘要随着Internet技术的发展和互联网的日益普及,传统模式的拍卖发生了变化，本文针对网上拍卖行为设计开发了一个拍卖系统,此系统基于Androidstudio环境及SQLite数据库开发，系统为拍卖交易双方提供了一个稳定运行的平台，并实现登录注册、竞标、管理物品、查看竞得物品、浏览流拍物品，管理拍品种类等主要功能。关键词：Android；Androidstudio；登录注册，竞标北京理工大学珠海学院2020届本科生毕业设计DesignandimplementationofonlineauctiondataanalysisandauctionpredictionsystemAbstractWiththedevelopmentofInternettechnologyandtheincreasingpopularityoftheInternet,thetraditionalauctionmodehaschanged.Thispaperdesignsanddevelopsanauctionsystemforonlineauctionbehavior,ThissystemisbasedonAndroidstudioenvironmentandsqllitedatabasedevelopment.Thesystemprovidesastableplatformforbothauctionparties,andrealizesthemainfunctionsofloginregistration,managementofauctiongoods,usermanagement,feedbackprice,auctiongoods,etcKeywords:Android，Androidstudio，Signin，Bidding北京理工大学珠海学院2020届本科生毕业设计目录第一章绪论.......................................................................................................11.1设计目的及意义.............................................................................................11.2国内外的现状................................................................................................11.3可行性分析...................................................................................................31.3.1社会可行性................................................................................................31.3.2技术可行性................................................................................................7第二章需求分析................................................................................................72.1系统的任务和特点.........................................................................................72.2功能模块的划分与设计...................................................................................82.3开发运行环境................................................................................................92.4用例图设计...................................................................................................92.5ER图的设计.................................................................................................92.6实体对象的设计...........................................................................................102.7数据库表的设计...........................................................................................10第三章系统实现...............................................................................................123.1用户登录界面.............................................................................................123.1.1功能描述.................................................................................................123.1.2运行结果图..............................................................................................123.1.3关键代码.................................................................................................133.2用户注册界面.............................................................................................143.2.1功能描...
