W250913/19.ts/面向对象/src/6.属性的封装.ts

// 属性的封装：令属性更加安全
(function () {
    class Person {
        private name1: string;
        age1: number;
        constructor(name1: string, age1: number) {
            this.name1 = name1;
            this.age1 = age1;
        }
        /**
         * 属性封装：
         * getter 获取属性 get
         * setter 修改属性 set
         */
        get names() {
            return this.name1;
        }
        set names(val) {
            this.name1 = val;
        }
    }
    let p = new Person('图图', 3);
    console.log(p, 'p')
    console.log(p.names)
    p.names = '小新'
    console.log(p.names, 'p')

})()