具体代码如下所述：
const readline = require('readline-sync')//引用readline-sync
let arr = [['zhang', '123', 2000], ['yang', '123456', 3000]];
//登陆
let add = function () {
let s = 2;//输入错误的次数
while (true) {
console.log('请输入用户名：');
let user = readline.question();
console.log('请输入密码：');
let p
