类的简写

1. 类的简写

class Person{
    //定义类属性的类型
//   public name:string
//   public age:number
//   public color:string
  constructor(public name:string,public age:number, public color:string){
    //   this.name = name;
    //   this.age = age;
    //   this.color = color;
  }
  sleep():string{
      return '正在睡觉..'
  }
  eat():string{
      return '正在吃饭'
  }
}

let p1 = new Person('张麻子',40,'黄皮肤')
console.log(p1);
console.log(  p1.eat() );

//电器类
//属性：  power:电   greade:能耗等级  do:作用
//方法： 启动  关闭  

class DQ{
    constructor(public power:string, public greade:number,public doing:string){
    }
    public open():string{
        return '启动...'
    }
    public close():string{
        return '关闭...'
    }
}

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