import Foundation
import Glibc
enum Gender:Int{ //定义枚举类型性别
case Male
case Female
static func >(p1:Gender,p2:Gender) -> Bool{
//定义> 方法判断性别大小
return p1.rawValue < p2.rawValue
}
}
class Person{ //Person类
var firstName:String
var lastName:String
var age:Int
var gender:Gender
var fullName:String {
//计算属性fullName
get{
return firstName + lastName
}
}
init (firstName:String,lastName:String,age:Int,gender:Gender){
//指定构造函数
self.firstName = firstName
self.lastName = lastName
self.age = age
self.gender = gender
}
convenience init(firstName:String,lastName:String){
//便利构造函数
self.init(firstName:firstName,lastName:lastName,age:20,gender:Gender.Male)
}
func description() -> String{
//定义函数使其直接用print输出
return "Name: \(fullName),age:\(age),gender:\(gender)"
}
//函数重载使两个Person类的实例对象可以用==和!=比较
static func ==(per1:Person,per2:Person) -> Bool{
return per1.fullName==per2.fullName
}
static func != (per1:Person,per2:Person) -> Bool{
return !(per1==per2)
}
}
var person1 = Person(firstName:"张",lastName:"三",age:18,gender:Gender.Male)
var person2 = Person(firstName:"李",lastName:"小明")
print(person1.description())
print(person2.description())
print("person1等于person2?",person1 == person2)
print("person1不等于person2?",person1 != person2)
class Student:Person{
//派生类Student
var stuNo:String //Student属性
init(firstName:String,lastName:String,age:Int,gender:Gender,stuNo:String){
//Student类的初始化
self.stuNo = stuNo
super.init(firstName:firstName,lastName:lastName,age:age,gender:gender)
}
override func description() -> String{
//重写父类方法
return "\(super.description()),stuno:\(stuNo)"
}
}
class Teacher:Person{
//派生类Teacher
var title:String //Teacher属性
init(firstName:String,lastName:String,age:Int,gender:Gender,title:String){
//Teacher类的初始化
self.title = title
super.init(firstName:firstName,lastName:lastName,age:age,gender:gender)
}
override func description() -> String{
//重写父类方法
return "\(super.description()),title:\(title)"
}
}
var student1 = Student(firstName:"王",lastName:"心",age:21,gender:Gender.Female,stuNo:"16001")
//print(student1.description())
var teacher1 = Teacher(firstName:"周",lastName:"军",age:43,gender:Gender.Male,title:"Math")
//print(teacher1.description())
var student2 = Student(firstName:"文",lastName:"阳",age:17,gender:Gender.Male,stuNo:"16002")
var student3 = Student(firstName:"赵",lastName:"婷婷",age:20,gender:Gender.Female,stuNo:"16003")
var teacher2 = Teacher(firstName:"邓",lastName:"小利",age:42,gender:Gender.Male,title:"Math")
//建立数组，存放三种对象
var peopleArray = [Person]()
//将对象追加到数组里
peopleArray.append(person1)
peopleArray.append(person2)
peopleArray.append(student1)
peopleArray.append(student2)
peopleArray.append(student3)
peopleArray.append(teacher1)
peopleArray.append(teacher2)
for person in peopleArray{
//遍历输出数组里的对象
print(person.description())
}
//定义字典统计对象个数
var dictionary = ["Person":0,"Student":0,"Teacher":0]
for people in peopleArray{
if people is Teacher{
dictionary["Teacher"]! += 1
}else if people is Student{
dictionary["Student"]! += 1
}else{
dictionary["Person"]! += 1
}
}
//输出字典内容
print("字典内容如下:")
for (key,value) in dictionary{
print("\(key):\(value)个")
}
//按年龄age排序
print("年龄排序如下:")
peopleArray.sort(by:{return $0.age<$1.age})
for person in peopleArray{
//遍历输出数组里的对象
print(person.description())
}
//按fullName排序
print("fullName排序如下:")
peopleArray.sort(by:{return $0.fullName<$1.fullName})
for person in peopleArray{
//遍历输出数组里的对象
print(person.description())
}
//按gender+age排序
print("gender+age排序如下:")
peopleArray.sort(by:{
if $0.gender > $1.gender{
return true
}else if($0.gender == $1.gender){
return $0.age > $1.age //性别相同，按年龄排序
}else{
return false
}
})
for person in peopleArray{
//遍历输出数组里的对象
print(person.description())
}
About Online Swift Compiler
Try our Online Swift Compiler (Version Swift v5.7.3) to Edit, Run, and Share your Swift Code directly from your browser. This online development environment provides you the latest version Swift v5.7.3.
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The following are the keyword shortcut of this Online Swift Compiler:
| Shortcut | Description |
|---|
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| Shortcut | Description |
|---|
| Ctrl + Enter | Run the program |
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| Ctrl + Z | Undo Editing |
| Ctrl + Y | Redo Editing |
| Ctrl + A | Select All Text |
| Ctrl + X | Cut Selected Text |
| Ctrl + C | Copy Selected Text |
| Ctrl + V | Paste Copied Text |
| Ctrl + F | Search Text |
| Ctrl + H | Replace Text |
Online Swift Compiler: Save and Share Swift Code (Project)
Save Swift Project Online
You can save your Swift Project with us so that you can access this project later on. To save a project you will need to create a login Id with us. So before you save a project, please create a login Id using a link given at the top right corner of this page.
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More Features of Online Swift Compiler
- Theme – You can change the current editor's theme from the "Editor Theme" option under "Settings" menu.
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- And, many more.
Benefits of Using Online Swift Compiler
There are several benefits of using the Online Swift Compiler to run your Swift code:
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