(function() {
    class Person {
        /**
         * readonly 只读
         * static 类本身 而不是类对象
         * public 公开
         * private 私有的 类内部可以访问
         * protected 受保护的 类的内部和子类均可访问
         */
        name: string;
       private age: number;
       protected color:string;
        constructor(name:string,age:number,color:string) {
            this.name = name;
            this.age = age;
            this.color = color;
        }
        get age1() {
            return this.age;
        }
        set age1(val) {
            this.age = val;
        }
        getValue() {
            return this.age + 10;
        }
    }
    class Child extends Person {
        look() {
            console.log(this.color)
        }
    }
    let p = new Person("孙悟空",20,'红色');
    let c = new Child('图图',2,'白色');
    p.age1 = 30;
    console.log(p.age1)
    // console.log(p.age);
    // console.log()
    c.look();
    console.log(p.getValue())
    // console.log(c.color);
})()