论文-基于Android的铁路小助手设计与实现

1本科毕业设计题目：基于Android的铁路小助手设计与实现学生姓名：学号：院（系）：计算机学院专业班级：指导教师：起止时间：基于Android的铁路小助手的设计与实现摘要：中国地域辽阔，铁路线路纵横交错。随着21世纪经2济快速发展，城市化速度加快，我国的交通运输系统不断扩大并复杂化。随着列车客流量的增多，铁路系统经常会出现一些弊端，例如网络繁忙，列车信息繁多，这给追求简单，快节奏生活方式的人们带来许多不便。本课题设计的基于Android的铁路小助手可以帮助人们解决这些生活小问题。此软件为用户提供一个专属自己的火车线路查询系统。系统是使用JavaJDK，Eclipse，GoogleAndroidSDK，ADT等工具开发。另外，有数据显示，安卓系统的手机占全球智能手机76%的份额，而中国市场的占有率为90%。因此，这大大提高了此软件的使用人群的数量。该系统主要功能包括火车线路的添加，根据车次、站点与站点的查询功能。系统运用的是Android自带数据库SQLite，其简单轻型的特点使其成为优秀的嵌入式数据库管理系统。关键词：Android查询铁路SQLiteRailwayAssistantSystemBasedonAndroidAbstract：Chinahasavastterritory.Withtherapideconomicdevelopmentofthe21stcentury,theurbanizationrateofChinais3acceleratingandthetransportsystemisexpandingandcomplicated.However,withtheincreaseoftraintraffic,therailwaysystemoftenappearssomedrawbacks.Forexample,thenetworkisbusy,alotoftraininformation,hadboughtmuchinconvenientforsomepeoplewhopursuitofsimpleandfastlife.thedesignofthisrailwayassistantprojectisbasedonAndroidsystemandcanhelppeoplesolvethesesmallproblemsoftheirdailylife.Thissoftwarecouldmeettheuser'sindividualneedsandquick,easytoquery.Itcanprovideuserswithadedicatedtrainlinequerysystem.ThedevelopmenttoolsofthissystemaretheJavaJDK,Eclipse,GoogleAndroidSDK,ADT.Inaddition,thedatashowthattheAndroidsystemmobilephoneshare76%ofglobalsmartphone,whiletheChinesemarketshareof90%.Therefore,thisincreasesthenumberofpeopleusingthissoftware.Themainfeaturesofthissystemincludetherouteaddfunctionandsearchfunction.ThesystemusestheAndroidowndatabaseSQLite,itssimplecharactermakingitbeingagoodembeddeddatabasemanagementsystem.Keywords:Android,Inquiry,Railway,SQLite4目录一系统分析.............................................6（一）可行性分析................................................................................................61技术可行性分析.........................................................................................62操作可行性分析.........................................................................................63经济可行性分析.........................................................................................6（二）系统结构....................................................................................................6（三）系统流程....................................................................................................71系统数据流图................................................................................................72系统流程图....................................................................................................9二需求分析............................................11（一）系统需求规定..........................................................................................111功能规定...................................................................................................112性能规定...................................................................................................11（二）系统运行环境规定..................................................................................121开发设备...................................................................................................122系统运行支持平台...................................................................................13三概要设计............................................14（一）系统数据库设计......................................................................................141数据字典设计...........................................................................................142概念结构设计...........................................................................................142.1系统E-R图.............................................................................................142.2数据结构图.............................................................................................163逻辑结构设计...........................................................................................164数据库设计...............................................................................................17四详细设计............................................19（一）界面设计..................................................................................................191主菜单设计...............................................................................................192查询功能设计............................................................................................192.1站站查询设计.........................................................................................192.2车次查询设计.........................................................................................192.3车站查询设计.........................................................................................203添加功能设计............................................................................................203.1车站添加设计.........................................................................................213.2车次添加设计.........................................................................................213.3关系添加设计.........................................................................................214列车信息显示界面设计...........................................