《iOS高级应用开发技术》实验报告八详细答案.doc

实验编号:8四川师大IOS应用开发技术实验报告2017年11月15日计算机科学学院2015 级 实验名称： 表视图 指导老师：_李贵洋_ 实验成绩:_实验 八 表视图一 实验目的及要求掌握表视图TableView以及Datasource、Delegate等的使用；二 实验内容(1) 实现一个人名数组的简单管理(2) 用TableView进行显示，在同一个界面上实现一个TableView的增删改；(1) 将数据保存到文件中;三 实验主要流程、基本操作或核心代码、算法片段（该部分如不够填写，请另加附页）l 代码：ViewController.swift：/ViewController.swift/homework8/Createdbywuon2017/11/13./Copyright2017年2015110445.Allrightsreserved.importUIKitclassViewController:UIViewController,UITableViewDelegate,UITableViewDataSourcevarstudents=Student()varteachers=Teacher()vartableTitle=Teacher,Student/定义一个表视图vartable:UITableView!/右边按钮varrightItem:UIBarButtonItem!/弹出框varalert:UIAlertController!overridefuncviewDidLoad()super.viewDidLoad()/生成3个Teacher对象foriin1.3lettemp=Teacher(title:tt,firstName:liguiyang,lastName:(i),age:41,gender:.female,department:.one)teachers.append(temp)/生成4个Student对象foriin1.5lettemp=Student(stuNo:201511044+i,firstName:wu,lastName:mingming(i),age:17,gender:.male,department:.two)students.append(temp)/按全名排序teachers.sortreturn$0.fullName$1.fullNamestudents.sortreturn$0.fullNameIntifsection=0returnteachers.countelsereturnstudents.countfunctableView(_tableView:UITableView,cellForRowAtindexPath:IndexPath)-UITableViewCellletidentifier=tableTitleindexPath.sectionvarcell=tableView.dequeueReusableCell(withIdentifier:identifier)ifcell=nilletstyle:UITableViewCellStyle=(identifier=Teacher)?.subtitle:.defaultcell=UITableViewCell(style:style,reuseIdentifier:identifier)cell?.accessoryType=.disclosureIndicatorswitchidentifiercaseTeacher:cell?.textLabel?.text=teachersindexPath.row.fullNamecell?.detailTextLabel?.text=teachersindexPath.row.titlecaseStudent:cell?.textLabel?.text=studentsindexPath.row.fullNamedefault:breakreturncell!funcnumberOfSections(intableView:UITableView)-IntreturntableTitle.countfunctableView(_tableView:UITableView,titleForHeaderInSectionsection:Int)-String?returntableTitlesectionoverridefuncdidReceiveMemoryWarning()super.didReceiveMemoryWarning()/Disposeofanyresourcesthatcanberecreated.Person.swift：/Person.swift/homework8/Createdbywuon2017/11/13./Copyright2017年2015110445.Allrightsreserved./importFoundation/性别的枚举enumGender:Intcasemale/男性casefemale/女性caseunknow/未知/重载操作符，方便后面排序使用staticfunc(lhs:Gender,rhs:Gender)-Boolreturnlhs.rawValueBoolreturnlhs.fullName=rhs.fullName&lhs.age=rhs.age&lhs.gender=rhs.gender/重载!=staticfunc!=(lhs:Person,rhs:Person)-Boolreturn!(lhs=rhs)/实现CustomStringConvertible协议中的计算属性，可以使用print直接输出对象内容vardescription:StringreturnfullName:(self.fullName),age:(self.age),gender:(self.gender)/输出PersonXXXisrunningfuncrun()print(Person(self.fullName)isrunning)/教师类classTeacher:Person,SchoolProtocolvartitle:String/标题vardepartment:Department/公寓/构造方法init(title:String,firstName:String,lastName:String,age:Int,gender:Gender,department:Department)self.title=titleself.department=departmentsuper.init(firstName:firstName,lastName:lastName,age:age,gender:gender)init(title:String,department:Department)self.title=titleself.department=departmentsuper.init(firstName:,lastName:,age:0,gender:.unknow)conveniencerequiredinit()self.init(title:,department:Department.one)/重写父类的计算属性overridevardescription:Stringreturntitle:(self.title),fullName:(self.fullName),age:(self.age),gender:(self.gender),department:(self.department)/重载父类run方法overridefuncrun()print(Teacher(self.fullName)isrunning)/遵循协议的方法funclendBook()print(Teacher(self.fullName)lendabook)/学生类classStudent:Person,SchoolProtocolvarstuNo:Int/学号vardepartment:Department/公寓/构造方法init(stuNo:Int,firstName:String,lastName:String,age:Int,gender:Gender,department:Department)self.stuNo=stuNoself.department=departmentsuper.init(firstName:firstName,lastName:lastName,age:age,gender:gender)convenienceinit(stuNo:Int,firstName:String,lastName:String,age:Int,gender:Gender)self.init(stuNo:stuNo,firstName:firstName,lastName:lastName,age:age,gender:gender,department:.one)init(stuNo:Int,department:Department)self.stuNo=stuNoself.department=departmentsuper.init(firstName:,lastName:,age:0,gender:Gender.unknow)requiredconvenienceinit()self.init(stuNo:0,department:.one)/重写父类的计算属性overridevardescription:StringreturnstuNo:(self.stuNo),fullName:(self.fullName),age:(self.age),gender:(self.gender),department:(self.department)/重载父类run方法overridefuncrun()print(Student(self.fullName)isrunning)/遵循协议的方法funclendBook()print(Teacher(self.fullName)lendabook)AppDelegate.swift:/添加这一句：self.window?.rootViewController = UINavigationController(rootViewController: ViewController()l 运行结果： 四 实验结果的分析与评价（该部分如不够填写，请另加附页）答：（1）通过本次实验报告，了解了，iOS是遵循MVC模式设计的，很多操作都是通过代理和外界沟通的，但对于数据源控件除了代理还有一个数据源属性，通过它和外界进行数据交