swift 类继承

发布时间：2020-12-14 01:48:11 所属栏目：百科来源：网络整理

导读：import Foundationclass Student{ func sayHi() { print("student say hi") }}class Persion:Student{ var _name:String init(name:String) { self._name = name } override func sayHi() { super.sayHi() print("say (self._name)") }}var persion = Persi

import Foundation


class Student{
    func sayHi()
    {
         print("student say hi")
    }

}

class Persion:Student{
    
    var _name:String
    
    init(name:String) {
        self._name = name
    }
    
    override func sayHi() {
        super.sayHi()
        print("say (self._name)")
    }
}

var persion = Persion(name: "yihong")
persion.sayHi()

（编辑：李大同）

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