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ES6_class类使用详解

发布时间：2019-11-17 10:47:03编辑：雪饮阅读（）

类:

class Person{

         //构造方法

         constructor(name,age){

                   this.name=name;

                   this.age=age;

         }

         //普通方法

         showName(){

                   console.log(this.name,this.age);

         }

}

var p1=new Person('dmj',24);

p1.showName();

继承:

class Person{

         constructor(name,age){this.name=name;this.age=age;}

         showName(){console.log(this.name,this.age);}

}

class StarPerson extends Person{

         constructor(name,age,wife){

                   super(name,age);

                   this.wife=wife;

         }

}

var p2=new StarPerson('xy',24,'dmj');

p2.showName();

重写

class Person{

         constructor(name,age){this.name=name;this.age=age;}

         showName(){console.log(this.name,this.age);}

}

class StarPerson extends Person{

         constructor(name,age,wife){

                   super(name,age);

                   this.wife=wife;

         }

         showName(){

                   console.log(this.name,this.age,this.wife);

         }

}

var p2=new StarPerson('xy',24,'dmj');

p2.showName();