银行应用程序类

Question

我有这个结构的银行应用程序

我已经创建了所有类（BankAccount，SavingAccount，CurrentAccount） 我的银行类有问题，我不知道为什么银行类中的功能没有执行。

这是我的代码（我没有包括所有功能）：

class Bank  {
    constructor(){
        this.accounts = [];
    }
    addAccount(acc) {
        this.accounts.push(acc) 
    }
    displayAllVAccounts(){
        this.accounts.forEach(acc => console.log(acc));
    }
}
module.exports = Bank;

应用类：

let BankAccount = require('./model/BankAccount');
let SavingAccount = require('./model/SavingAccount');
let CurrentAccount = require('./model/CurrentAccount');
let Bank = require('./model/Bank');


let saveAcc1 = new SavingAccount( 123 , 500 , 1000);
Bank.addAccount(saveAcc1);


let currAcc1 = new CurrentAccount ( 234 , 4000 ,15 );
Bank.addAccount(currAcc1);


let currAcc2 = new CurrentAccount ( 345 , 35000 , 25);
Bank.addAccount(currAcc2);


let saveAcc2 = new SavingAccount( 456 , 60000 , 1000);
Bank.addAccount(saveAcc2);

Answer 1

抢劫以下代码；

let Bank = require('./model/Bank');

let saveAcc1 = new SavingAccount( 123 , 500 , 1000);
new Bank().addAccount(saveAcc1);