簡易櫃員機 JAVAscript

標籤：bsp   hang   ++   put   adl   console   class   pre   使用   

const readline = require(‘readline-sync‘);let arr = [[‘zhangsan‘,‘123456‘],[‘lisi‘,‘123456‘]];let menu=‘1.取款\n2.存款\n3.查看\n4.退出‘;let isGister=false;    //定義初始登入錯誤let inputfalse=0;      //定義輸入錯誤次數while(!isGister){    console.log(‘請輸入帳號：‘)    let username = readline.question();    console.log(‘請輸入密碼：‘)    let password = readline.question();for ( i = 0; i < arr.length; i++) {    if (username==arr[i][0]&&password==arr[i][1])     {        console.log(‘登入成功‘);        let flag=true;        let balance=0;        while(flag)       {            console.log(menu);            console.log(‘請選擇：‘)            let item = readline.question()-0;            switch (item) {                case 1:                {   let flag1=true;                     while(flag1)                    {                        console.log(`當前餘額為${balance}元,請輸入取款金額：`)                        let outmoney = readline.question();                        balance-=outmoney;                        console.log(`取款成功，當前餘額為${balance}元。`)                        console.log(‘繼續取款請按1,返回上一級就按0‘)                        let item2 = readline.question()-0;                        switch (item2) {                            case 1:  break;                                                            case 0:  flag1=false;                                                                              }                    }                       break;1                }                case 2:                {   let flag1=true;                     while(flag1)                    {                        console.log(`當前餘額為${balance}元,請輸入存入金額：`)                        let savemoney = readline.question()-0;                        balance+=savemoney;                        console.log(`取款成功，當前餘額為${balance}元。`)                        console.log(‘繼續存款請按1,返回上一級就按0‘)                        let item2 = readline.question()-0;                        switch (item2) {                            case 1:  break;                                                            case 0:  flag1=false;                                                    }                    }                       break;                }                 case 3:                {                           console.log(`當前餘額為${balance}元,請輸入取款金額：`)                        console.log(‘返回上一級請按0‘)                        let item2 = readline.question()-0;                        switch (item2) {                            case 1:  break;                                                            case 0:  flag1=false;                        }                                           break;                }                           case 4:                {                   console.log(‘感謝使用！‘)                    flag=false;                    break;                }                default:console.log(‘輸入有誤，請重新輸入：‘)            }        }          isGister=true;        }}     if(!isGister)     {                  console.log(‘登入失敗，請重新登入‘);         inputfalse++;         }        if(inputfalse==3)     {         console.log(‘輸入次數過多，鎖卡‘)         break;     }}

 

簡易櫃員機 JAVAscript