基于TypeScript(ES)+Angular+Ionic开发的一款APP前后台全套源代码.zip_ES240

//动物父类 class Animal { name:string; constructor(theName: string) { this.name = theName; } move(distanceInMeters: number = 0) { console.log(`${this.name} moved ${distanceInMeters}m.`); } } //蛇继承动物 class Snake extends Animal { constructor(name: string) { super(name); } move(distanceInMeters = 5) { console.log("Slithering..."); super.move(distanceInMeters); } } //小马也继承动物 class Horse extends Animal { constructor(name: string) { super(name); } move(distanceInMeters = 45) { console.log("Galloping..."); super.move(distanceInMeters); } } let sam = new Snake("Sammy the Python"); let tom: Animal = new Horse("Tommy the Palomino"); sam.move(); tom.move(34); 作者：蓝山牧童 链接：http://www.jianshu.com/p/a8c14409a113 來源：简书 著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。