Java面向编程ATM系统

package ATM; import java.util.ArrayList; import java.util.Random; import java.util.Scanner; public class ATMOperator { private final ArrayList<ATM> arrayList = new ArrayList<>(); //定义了一个集合，用来装菜品信息 ATM loginAcc; private void opening() { //注册模块 ATM atm = new ATM(); Scanner sc = new Scanner(System.in); //注册用户名 System.out.println("请输入你要注册的账户名"); String name = sc.next(); atm.setName(name); //注册性别 while (true) { System.out.println("请选择你的性别"); System.out.println("1.男 ， 2，女"); String gender = sc.next(); switch (gender) { case "1": atm.setGender("男"); break; case "2": atm.setGender("女"); break; default: System.out.println("输入的操作无效，请重新输入~~"); continue; } break; } //注册密码 System.out.println("请输入你要注册的密码"); String password = sc.next(); while (true) { System.out.println("请再次确认你的密码"); String password1 = sc.next(); if (password1.equals(password)) { atm.setPassword(password); break; } else { System.out.println("你输入的密码与原密码不一样~~"); } } //初始化银行额度 while (true) { System.out.println("请输入你的银行卡额度"); double money = sc.nextDouble(); if (money > 0) { atm.setMoney(money); break; } else { System.out.println("输入有误，请重新输入"); } } //获取到银行卡卡号 // Random r = new Random(); // String account = ""; // for (int i = 0; i < 8; i++) { // String account1 = String.valueOf(r.nextInt(10)); // account += account1; // } // atm.setAccount(account); // System.out.println("恭喜你，开户成功，你的卡号是" + account); // Random r = new Random(); StringBuilder accountBuilder = new StringBuilder(); for (int i = 0; i < 8; i++) { String account1 = String.valueOf(r.nextInt(10)); accountBuilder.append(account1); } String account = accountBuilder.toString(); atm.setAccount(account); System.out.println("恭喜你，开户成功，你的卡号是" + account); //把对象进行封装 arrayList.add(atm); } private void login() { //登录模块 if (arrayList.size() == 0) { System.out.println("该系统中没有账户，请先注册"); return; } Scanner sc = new Scanner(System.in); while (true) { System.out.println("请输入你要登录的账户名"); String name = sc.next(); System.out.println("请输入你的密码"); String password = sc.next(); for (ATM atm : arrayList) { if (name.equals(atm.getName()) && password.equals(atm.getPassword())) { switch (atm.getGender()) { case "男": System.out.println("恭喜卡号是" + atm.getAccount() + "的先生登录成功"); loginAcc = atm; break; case "女": System.out.println("恭喜卡号是" + atm.getAccount() + "的女士登录成功"); loginAcc = atm; break; } loginAge(); return; } } System.out.println("你输入的密码有误，请重新输入密码"); //到这里登录成功 } } //public void login() { // //登录模块 // if (arrayList.size() == 0) { // System.out.println("该系统中没有账户，请先注册"); // return; // } // Scanner sc = new Scanner(System.in); // while (true) { // System.out.println("请输入你要登录的账户名"); // String name = sc.next(); // System.out.println("请输入你的密码"); // String password = sc.next(); // for (int i = 0; i < arrayList.size(); i++) { // if (name.equals(arrayList.get(i).getName()) && password.equals(arrayList.get(i).getPassword())) { // switch (arrayList.get(i).getGender()) { // case "男": // System.out.println("恭喜卡号是" + arrayList.get(i).getAccount() + "的先生登录成功"); // loginAcc = arrayList.get(i); // break; // case "女": // System.out.println("恭喜卡号是" + arrayList.get(i).getAccount() + "的女士登录成功"); // loginAcc = arrayList.get(i); // break; // } // loginAge(); // return; // 登录成功后直接返回，结束循环 // } // } // System.out.println("你输入的账户名或密码有误，请重新输入"); // } //} private void destroy() { //销户模块 if (arrayList.size() == 0) { System.out.println("系统没有账户，无法注销"); return; } Scanner sc = new Scanner(System.in); while (true) { System.out.println("请输入你要注销的账户卡号"); String account = sc.next(); ATM acc = getAccountByCardId(account); if (acc == null) { System.out.println("你输入的卡号有误，请重新输入"); } else { System.out.println("你的账户名是" + acc.getName()); System.out.println("你的账户卡号是" + acc.getAccount()); System.out.println("你的账户余额是" + acc.getMoney()); if (acc.getMoney() != 0) { System.out.println("因为账户还有余额，无法注销"); return; } System.out.println("确定注销这个账户吗"); System.out.println("1.是 2.否"); String command = sc.next(); switch (command) { case "1": while (true) { System.out.println("请输入你的密码"); String password = sc.next(); if (password.equals(acc.getPassword())) { System.out.println("注销成功"); return; } else { System.out.println("你输入的密码有问题，请重新输入"); } } case "2": break; default: System.out.println("输入有误，请重新输入"); } } } } private void loginAge() { while (true) { Scanner sc = new Scanner(System.in); System.out.println("1.存款"); System.out.println("2.取款"); System.out.println("3.转账"