银行代码

2020-02-19 13:36:38 阅读：264 来源： 互联网

标签：String 代码银行 System User println public out

package practice;

public class TestBank {
	//1、用一个数组录入用户信息
	//2、输入卡号，密码
	//3、校验是否正确
	//4、成功的话输出菜单栏，选择序号

	public static void main(String[] args) {
		Bank bank=new Bank();
		bank.initial();
		bank.welcome();;
		

	}

}

package practice;
import java.util.*;
public class Bank {
	Scanner input =new Scanner(System.in);
	User[] users=new User[5];
	int size=5;
	String no;
	//用户信息初始化(卡号，密码，姓名，身份证号，电话号，余额)
	public void initial(){
		users[0]=new User("112233445566778899","123456","tom","211073199904309999","13533789008",9000.0);
		users[1]=new User("998877665544332211","123456","marry","211073201008048979","14567329083",70000.0);
		users[2]=new User("112233445584761561","123456","jack","229078199908306574","13124567789",4000.0);
		users[3]=new User("112233445518517576","123456","rose","124567294729629462","15098765678",5000.0);
		users[4]=new User("112233445518517576","123456","rose","124567294729629462","15098765678",5000.0);
	}
	
	//欢迎界面（开户或登录）
	public void welcome(){
		
		User[] newNum=new User[users.length*2];
		System.arraycopy(users,0,newNum,0,users.length);
		users=newNum;
		String no;
		
		System.out.println("------------------------欢迎使用ATM自动银行系统-----------------------");
		System.out.println("1.开户  2.登录");
		System.out.println("请输入您的选择：");
		int choice=input.nextInt();
		Random random=new Random();
		String pre="112233445566";
		int last=(int)(Math.random()*100000)+100000;
		no=pre+last;
		switch(choice){
		case 1:
			System.out.println("您的账号为："+no);
			System.out.println("请设置密码：");
			String password=input.next();
			System.out.println("请输入姓名：");
			String name=input.next();
			System.out.println("请输入身份证号：");
			String id=input.next();
			System.out.println("请输入手机号：");
			String phone=input.next();
			System.out.println("恭喜您，注册成功！");
			users[size]=new User(no,password,name,id,phone,0);
			size++;
			break;
		case 2:
			this.login();			
		}
		showAll();
	}
	
	
	//登录
	public void login(){
		System.out.println("请输入账号：");
		no=input.next();
		System.out.println("请输入密码：");
		String pwd=input.next();
		
		User myAccount=this.check(no, pwd);
		if(myAccount!=null){
			this.menu(myAccount);
		}else{
			System.out.println("账号或密码错误，请重新输入！");
		}
	}
	
	//核对账户密码是否正确
	public User check(String no,String pwd){
		for(int i=0;i<users.length;i++){
			if(users[i]!=null){
				if(no.equals(users[i].getCardNo())&&pwd.equals(users[i].getKeyWord())){
					return users[i];
				}
			}
		}
		return null;
	}
	
	//执行存款功能
	public void deposit(User Account){
		System.out.println("请输入存款金额：");
		double money=input.nextDouble();
		System.out.println("正在存钱中...");
		double currentBalance=Account.getBalance()+money;
		Account.setBalance(currentBalance);
		System.out.println("存款成功，当前余额为："+currentBalance);
		
	}
	
	//执行取款功能
	public void withdrawl(User Account){
		System.out.println("请输入取款金额：");
		double money=input.nextDouble();
		System.out.println("正在取款中...");
		if(money>=0&&money<=Account.getBalance()){
			double currentBalance=Account.getBalance()-money;
			Account.setBalance(currentBalance);
			System.out.println("取款成功，当前余额为："+currentBalance);
		}else{
			System.out.println("余额不足");
		}	
		showAll();
	}
	
	//执行转账功能
	
	
	//执行修改密码功能
	public void changeKeyword(User Account){
		System.out.println("请输入修改后的密码：");
		String currentPsw=input.next();
		for(int i=0;i<users.length;i++){
			if(users[i]!=null){
				if(users[i].getCardNo()==no){
					Account.setKeyWord(currentPsw);
				}
			}
		}
		showAll();
	}
	
	//修改预留手机号
	public void changePhone(User Account){
		showAll();
		System.out.println("请输入修改后的手机号：");
		String currentPhone=input.next();
		for(int i=0;i<users.length;i++){
			if(users[i]!=null){
				if(users[i].getCardNo()==no){
					Account.setPhone(currentPhone);
				}
			}
		}
		showAll();
	}
	
	//注销账号
	public void logout(User Account){
		for(int i=0;i<users.length;i++){
			if(users[i]!=null){
				if(users[i].getCardNo()==no){
					users[i]=users[i+1];
					size--;
				}
			}
		}
		showAll();
	}
	
	//菜单
	public void menu(User myAccount){
		int choice;
		do{
			System.out.println("------------------------欢迎使用ATM自动银行系统-----------------------");
			System.out.println("  1.存款 2.取款 3.转账 4.查询余额 5.修改密码 6.修改预留手机号 7.注销账号 0.退出   ");
			System.out.println("-----------------------------------------------------------------");
			System.out.println("请输入操作编号：");
			choice=input.nextInt();
			switch(choice){
			case 1:
				this.deposit(myAccount);break;
			case 2:
				this.withdrawl(myAccount);break;
			case 3:
				System.out.println("转账");break;
			case 4:
				System.out.println("您当前余额为："+myAccount.getBalance());break;
			case 5:
				this.changeKeyword(myAccount);break;
			case 6:
				this.changePhone(myAccount);break;
			case 7:
				System.out.println("注销账号");break;
			case 0:
				System.out.println("退出");return;
			default:
				System.out.println("输入有误，请重新输入!");break;
			}
		}while(choice>=0&&choice<7);
	}
	public void showAll(){
		for(int i=0;i<size;i++){
			System.out.println(users[i].getCardNo()+"\t"+users[i].getKeyWord()+"\t"+users[i].getName()+"\t"+users[i].getIdentityCard()+"\t"+users[i].getPhone()+users[i].getBalance());
		}
	}

}

package practice;

public class User {
	//卡号，密码，姓名，身份证号，电话号，余额
	String cardNo;
	String keyWord;
	String name;
	String identityCard;
	String phone;
	double balance;
	
	public User(){}

	public User(String cardNo, String keyWord, String name, String identityCard, String phone, double balance) {
		super();
		this.cardNo = cardNo;
		this.keyWord = keyWord;
		this.name = name;
		this.identityCard = identityCard;
		this.phone = phone;
		this.balance = balance;
	}

	public String getCardNo() {
		return cardNo;
	}

	public void setCardNo(String cardNo) {
		this.cardNo = cardNo;
	}

	public String getKeyWord() {
		return keyWord;
	}

	public void setKeyWord(String keyWord) {
		this.keyWord = keyWord;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getIdentityCard() {
		return identityCard;
	}

	public void setIdentityCard(String identityCard) {
		this.identityCard = identityCard;
	}

	public String getPhone() {
		return phone;
	}

	public void setPhone(String phone) {
		this.phone = phone;
	}

	public double getBalance() {
		return balance;
	}

	public void setBalance(double balance) {
		this.balance = balance;
	}
	
}

Y_L_Lee 发布了6 篇原创文章 · 获赞 1 · 访问量 214 私信关注

标签：String,代码,银行,System,User,println,public,out
来源： https://blog.csdn.net/Y_L_Lee/article/details/104391505

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银行代码