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//创建用户类class User {    //对于写个给太麻烦了    // constructor(firstName,lastName,age) {    //     this.firstName=firstName;    //     this.lastName=lastName;    //     this.age=age;    // }}/** * 直接对构造函数进行代理 * @param Class 对象 * @param propNames 对应构造函数的参数 * @returns {any} * @constructor */function ConstructorProxy(Class, ...propNames) {    return new Proxy(Class, {        construct(target, argumentsList) {            const obj = Reflect.construct(target, argumentsList)            propNames.forEach((name, i) => {                obj[name] = argumentsList[i];            })            return obj;        }    })}const UserProxy = ConstructorProxy(User, "firstName", "lastName", "age")console.log(UserProxy)const obj = new UserProxy("w", "q", 18);console.log(obj)//创建Monster类class Monster {}const MonsterProxy = ConstructorProxy(Monster, "attack", "defence", "hp", "rate", "name")const m = new MonsterProxy(10, 20, 100, 30, "怪物")console.log(m);

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