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1、毕业设计(论文)基于J2ME的公交查询系统的设计与实现论文作者姓名申请学位专业:申请学位类别:指导教师姓名(职称):论文提交日期:基于J2ME的公交查询系统的设计与实现摘要当今,人类社会已步入信息时代,信息化革命给所有领域带来了前所未有的变革。电脑、手机等信息工具的普及,人们获取信息变得更加完善、快捷。而随着信息技术的飞速发展,手机所蕴藏的无限商机,正在被人们逐步发掘,它不再仅仅局限于通信这一单一功能,正在朝着手提电脑甚至更完善的方向发展。由于手机价廉物美,它已成为人们获得在生活工作上等各种信息服务的最佳选择。在我国,随着城市化的快速发展,城市公交系统也随之迅速扩大,且更加复
2、杂化,找不到合适的乘车路线的事情经常发生。当前,复杂的公交系统使得用户往往处于迷惑的状态,给出行带来诸多不便,而手机公交查询系统的选题也正是基于该背景。本系统通过对城市公交系统的调研,提出了基于站点优先级和邻接矩阵的公交换乘算法和上下矩阵算法;以J2ME作为开发工具,将其移植到用户手机上,借助于无线互联网,能为客户随时随地提供公交信息的查询;通过测试与分析,证实了该系统的可行性及实用价值。关键词:公交查询;站点优先级;公交换乘算法;手机;无线互联网DesignandImplementationofCity-busInformationInquirySystemBasedonJ
3、2MEAbstractAtpresent,thehumansocietymarchesintotheinformationtime;theinformationrevolutionhasbroughttheunprecedentedrevolutionforalldomains.WiththepopularizationofinformationtoolaslikeComputer,handsetandsoon,obtainingtheinformationismoreandmoreperfectlyandquickly.Butalongwiththerapiddevelop
4、mentofinformationtechnology,theinfiniteopportunitythatthehandsetcontainsisbeinggraduallyexcavatedbythepeople,itnolongermerelylimitstothissolefunctionofcommunication,isfacingtothedevelopmentofportablecomputerorevenmoreperfectaspect.Asaresultofthelow-priceandhigh-qualityofthehandset,ithasbeco
5、methebestchoicethatthepeopleobtaineachkindofinformationserviceinlife.Inourcountry,alongwithurbanizedfastdevelopment,citybussystemalsorapidlyexpands,andevenbecomesmorecomplex.So,findingcitybusroutebecomesmoredifficult.Presently,thecomplexcitybussystemcausestheconditionwhichtheusersoftenareco
6、nfused,whichbringsmanyinconvenienttopeople,buthandsetcitybusinquirysystemisalsobasedonthisbackground.Firstly,theauthorinvestigatesthecitybussystem,provides“theAlgorithmbasedonthestandpriorityandthenextlinkingmatrix”and“theAlgorithmbasedonupwardanddownwardmatrix”.Secondly,theseAlgorithmsaret
7、ransplantedtothehandsetbyJ2ME,whichcanprovidetheinquiryforcitybusatanytimeandanywherebytheaidoftothewirelessInternet.Finally,throughtestingandanalyzing,itconfirmsthissystemissomefeasibilityandpracticalvalue.Keywords:CityBusInquiry;StandPriority;CityBusEx