/*js设计模式——中介者模式*/

class A {

    constructor() {

        this.number = 0;

    }

    setNumber(num, m) {

        this.number = num;

        if (m) {

            m.setB();

        }

    }

}

class B {

    constructor() {

        this.number = 0;

    }

    setNumber(num, m) {

        this.number = num;

        if (m) {

            m.setA();

        }

    }

}

// 中介者

class MediatorDome {

    constructor(a, b) {

        this.a = a;

        this.b = b;

    }

    setB() {

        let number = this.a.number;

        this.b.setNumber(number * 100);

    }

    setA() {

        let number = this.b.number;

        this.b.setNumber(number / 100);

    }

}

// 测试

let a = new A();

let b = new B();

let m = new MediatorDome(a, b);

a.setNumber(100, m);

console.log(a.number, b.number);

a.setNumber(100, m);

console.log(a.number, b.number);