本银行ATM系统还不够完善，只适合初学者，其中没有添加修改用户信息的功能，还有多用户功能。其中修改用户信息可以通过get(),set()方法，加上判断即可，而多用户功能可以使用多个数组加上判断即可解决。希望能帮助到你。
package 面向对象;
//功能部分 import java.util.Scanner; public class Account { private String id,password,personid,name,email; private double balance; public String getId() { return id; } public void setId(String id) { this.id = id; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getPersonid() { return personid; } public void setPersonid(String personid) { this.personid = personid; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public double getBalance() { return balance; } public void setBalance(double balance) { this.balance = balance; } //登陆 public boolean login(){ boolean flg=false; flg=zhanghaojiancha(); if(flg){ flg=mimajiancha(); if(flg){ System.out.println("登陆成功,请继续"); } else{ System.out.println("密码输入超过5次!您的卡已被冻结"); } } else{System.out.println("账号输入超过5次!您的卡已被冻结"); } return flg; } //存款 public void deposit(){ boolean flg=true; if(flg){ System.out.print("请输入存款金额:"); Scanner input=new Scanner(System.in); double inMoney=input.nextInt(); if(inMoney>0.0&&(inMoney%100==0)){ this.balance=this.balance+inMoney; System.out.println("存款成功"); System.out.println("存款:"+inMoney); System.out.println("余额:"+balance); }else System.out.print("您输入的存款金额有误，请重新输入:"); } } //取款 public void withdraw(){ boolean flg=true; if(flg){ System.out.print("请输入取款金额:"); Scanner input=new Scanner(System.in); double outMoney=input.nextInt(); if(outMoney>=100&&(outMoney%100==0)){ this.balance=this.balance-outMoney; System.out.println("取款成功"); System.out.println("取款:"+outMoney); System.out.println("余额:"+balance); } else System.out.print("您输入的取款金额有误，请重新输入:"); } } //账号检查 public boolean zhanghaojiancha(){ System.out.println("请输入账号:"); Scanner input=new Scanner(System.in); String id=input.next(); boolean flg=false; for(int i=1;i<5;i++){ if(!(this.id.equals(id))){ System.out.println("您还有"+(5-i)+"次机会"); System.out.println("请重新输入账号:"); Scanner input1=new Scanner(System.in); id=input1.next(); } else {System.out.println("请继续"); flg=true; break; } } return flg; } //密码检查 public boolean mimajiancha(){ boolean flg=false; System.out.println("请输入密码:"); Scanner input=new Scanner(System.in); String password=input.next(); for(int i=1;i<5;i++){ if(!(this.password.equals(password))){ System.out.println("您还有"+(5-i)+"次机会"); System.out.println("请重新输入密码:"); Scanner input1=new Scanner(System.in); password=input1.next(); } else { flg=true; break; } } return flg; }}
//main函数用户执行区
package 面向对象; import java.util.Scanner; public class Account1 extends Account { public static void main(String[] args) { // TODO Auto-generated method stub boolean flg=false; Account s=new Account1(); s.setId("123456"); s.setPassword("123456"); s.setPersonid("610222199405170111"); s.setEmail("786634128@qq.com"); s.setName("柴小贱"); s.setBalance(2.0); flg=s.login(); if(flg){ System.out.println("请输入您要执行的操作（0:存款/1:取款）"); Scanner input=new Scanner(System.in); int i =input.nextInt(); if(i==0){ s.deposit(); }else{ s.withdraw(); } } System.out.println("欢迎下次光临"); } }
