swift 类的动态扩展
发布时间:2020-12-14 01:48:10 所属栏目:百科 来源:网络整理
导读:import Foundationclass Student{ func sayHi() { print("student say hi") }}extension Student{ func sayextensionFunc(){ print("extension func") }}class Persion:Student{ var _name:String init(name:String) { self._name = name } override func sa
import Foundation class Student{ func sayHi() { print("student say hi") } } extension Student{ func sayextensionFunc(){ print("extension func") } } 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() persion.sayextensionFunc() (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |