软件工程第三次作业
博客班级 https://edu.cnblogs.com/campus/ahgc/AHPU-se-JSJ18
作业要求 https://edu.cnblogs.com/campus/ahgc/AHPU-se-JSJ18/homework/11478
作业目标 编写一个ATM管理系统，语言不限，要求应包括以下主要功能：
（1）开户，销户
（2）查询账户余额
（3）存款
（4）取款
（5）转账（一个账户转到另一个账户）等...
学号 3180701238
代码如下： //用户登录
public void login() {
System.out.print("请输入卡号：");
int no = input.nextInt();
System.out.print("请输入密码（8~16位）：");
String pwd = input.next();
User check = loginCheck(no, pwd);
if (check != null) {
this.showMenu(check);
} else {
System.out.println("用户名或密码错误！请重新输入！");
this.login();
}
}
//开户
public void register() {
System.out.print("请输入姓名：");
String userName = input.next();
String identity;
do {
System.out.print("请输入身份证号码：");
identity = input.next();
} while (identity.length() != 18);
String phone;
do {
System.out.print("请输入预存手机号码：");
phone = input.next();
} while (phone.length() != 11);
String passWord;
do {
System.out.print("请输入密码：");
passWord = input.next();
} while (passWord.length() < 8 || passWord.length() > 16);//密码8~16位
double money;
do {
System.out.print("请输入预存金额（大于等于10元）：");
money = input.nextInt();
} while (money < 10);
User user = new User();
user.setCardNo(cardNo);
user.setUserName(userName);
user.setIdentity(identity);
user.setPhone(phone);
user.setPassWord(passWord);
user.setBalance(money);
System.out.println("开户成功！您的卡号为：" + cardNo);
cardNo++;
//将该对象存储到users数组中
//扩容判断
if (size > (users.length - 1)) {
User[] newUsers = Arrays.copyOf(users, size + 1);
users = newUsers;
users[size] = user;
}
size++;
}
//存款
public void deposit(User user) {
System.out.print("请输入存款金额：");
double money = input.nextDouble();
user.setBalance(user.getBalance() + money);
System.out.println("存款成功！");
}
//取款
public void withdraw(User user) {
System.out.print("请输入取款金额：");
double money = input.nextDouble();
if (money <= user.getBalance()) {
user.setBalance(user.getBalance() - money);
System.out.println("取款成功！当前余额为：" + user.getBalance() + "元！");
} else {
System.out.println("余额不足！");
}
}
//注销账户
public void cancel(User user) {
int index = size + 1;
for (int i = 0; i < size; i++) {
// size不需要非空判断
// if (users[i] != null) {
if (users[i] == user) {
index = i;
break;
}
// }
}
//移动该元素之后的每个元素
for (int i = index; i < size - 1; i++) {
users[i] = users[i + 1];
}
size--;
System.out.println("注销成功！");
}
}
源代码：
import java.util.Arrays;
import java.util.Scanner;
public class Bank {
Scanner input = new Scanner(System.in);
User[] users = new User[3];
int cardNo = 4;
int size = 3;
public Bank() { //初始方法（如果存在一些程序起始时必须要执行的代码，则写入初始化方法initial中）
User user = new User();
user.setCardNo(1);
user.setIdentity("131000199811111234");
user.setUserName("Ziph");
user.setPassWord("12345678");
user.setPhone("12345670000");
user.setBalance(1000.00);
users[0] = user;
users[1] = new User();
users[1].setCardNo(2);
users[1].setIdentity("131000111111114567");
users[1].setUserName("小王");
users[1].setPassWord("12345678");
users[1].setPhone("12345670001");
users[1].setBalance(2000.00);
users[2] = new User(3, "131000199811115678"
, "小明", "12345678"
, "12345670002", 3000.00);
}
public void login() {
System.out.print("请输入卡号：");
int no = input.nextInt();
System.out.print("请输入密码（8~16位）：");
String pwd = input.next();
User check = loginCheck(no, pwd);
if (check != null) {
this.showMenu(check);
} else {
System.out.println("用户名或密码错误！请重新输入！");
this.login();
}
}
public void register() {
System.out.print("请输入姓名：");
String userName = input.next();
String identity;
do {
System.out.print("请输入身份证号码：");
identity = input.next();
} while (identity.length() != 18);
String phone;
do {
System.out.print("请输入预存手机号码：");
phone = input.next();
} while (phone.length() != 11);
String passWord;
do {
System.out.print("请输入密码：");
passWord = input.next();
} while (passWord.length() < 8 || passWord.length() > 16);//密码8~16位
double money;
do {
System.out.print("请输入预存金额（大于等于10元）：");
money = input.nextInt();
} while (money < 10);
User user = new User();
user.setCardNo(cardNo);
user.setUserName(userName);
user.setIdentity(identity);
user.setPhone(phone);
user.setPassWord(passWord);
user.setBalance(money);
System.out.println("开户成功！您的卡号为：" + cardNo);
cardNo++;
if (size > (users.length - 1)) {
User[] newUsers = Arrays.copyOf(users, size + 1);
users = newUsers;
users[size] = user;
}
size++;
}
public User loginCheck(int no, String pwd) {
for (int i = 0; i < size; i++) {
//验证卡号、密码
if (users[i] != null) {//非空判断
if ((no == users[i].getCardNo() && pwd.equals(users[i].getPassWord()))) {
return users[i];
}
}
}
return null;
}
public User transferCheck(int no) {
for (int i = 0; i < users.length; i++) {
//校验卡号
if (users[i] != null) {
if (no == users[i].getCardNo()) {
return users[i];
}
}
}
return null;
}
public void welcomeMenu() {
System.out.println("-------欢迎使用中国建设银行ATM自助服务-------");
System.out.println("--- 1.登录 2.开户 0.退出 ---");
System.out.println("------------------------------------------");
System.out.print("请输入操作编码：");
int choice = input.nextInt();
switch (choice) {
case 1:
this.login();
break;
case 2:
this.register();
this.welcomeMenu();
break;
case 0:
exit();
default:
System.out.println("输入有误！请重新输入！");
}
}
public void exit() {
System.exit(0);
}
//显示菜单
public void showMenu(User user) {
int choice;
do {
System.out.println("-------------------------欢迎使用中国建设银行ATM自助服务-------------------------");
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.注销账户 0.退出");
System.out.println("------------------------------------------------------------------------------");
System.out.print("请输入操作编码：");
choice = input.nextInt();
switch (choice) {
case 1:
this.deposit(user);
break;
case 2:
this.withdraw(user);
break;
case 3:
this.transfer(user);
break;
case 4:
this.inquire(user);
break;
case 5:
this.changePwd(user);
break;
case 6:
this.changePhone(user);
break;
case 7:
this.cancel(user);
this.welcomeMenu();
break;
case 0:
System.out.println("谢谢使用！");
//结束该方法，执行该方法以下的语句
this.welcomeMenu();
default:
System.out.println("输入有误！请重新输入！");
}
} while (true);
}
public void withdraw(User user) {
System.out.print("请输入取款金额：");
double money = input.nextDouble();
if (money <= user.getBalance()) {
user.setBalance(user.getBalance() - money);
System.out.println("取款成功！当前余额为：" + user.getBalance() + "元！");
} else {
System.out.println("余额不足！");
}
}
public void deposit(User user) {
System.out.print("请输入存款金额：");
double money = input.nextDouble();
user.setBalance(user.getBalance() + money);
System.out.println("存款成功！");
}
public void transfer(User user) {
System.out.print("请输入卡号：");
int no = input.nextInt();
User check = transferCheck(no);
if (check != null) {
System.out.print("请输入转账金额：");
Double money = input.nextDouble();
if (user.getBalance() >= money) {
user.setBalance(user.getBalance() - money);
for (int i = 0; i < size; i++) {
if (users[i].getCardNo() == no) {
users[i].setBalance(users[i].getBalance() + money);
}
}
System.out.println("转账成功！");
} else {
System.out.println("余额不足！");
}
} else {
System.out.println("输入的卡号有误！");
}
}
public void inquire(User user) {
System.out.println("账户余额为：" + user.getBalance() + "元！");
}
public void changePwd(User user) {
String newPwd1;
do {
System.out.print("请输入8~16位新密码：");
newPwd1 = input.next();
} while (newPwd1.length() < 8 || newPwd1.length() > 16);
System.out.print("请再次输入新密码：");
String newPwd2 = input.next();
if (newPwd1.equals(newPwd2)) {
user.setPassWord(newPwd2);
System.out.println("修改成功！");
} else {
System.out.println("两次密码输入不同！");
}
}
public void changePhone(User user) {
System.out.print("请输入正确的原预留手机号：");
String oldPhone = input.next();
if (oldPhone.equals(user.getPhone())) {
String newPhone;
do {
System.out.print("请输入正确的新手机号：");
newPhone = input.next();
} while (newPhone.length() != 11);
user.setPhone(newPhone);
System.out.println("预留手机号修改成功！");
} else {
System.out.println("原预留手机号不正确！");
}
}
public void cancel(User user) {
int index = size + 1;
for (int i = 0; i < size; i++) {
if (users[i] != null) {
if (users[i] == user) {
index = i;
break;
}
}
}
for (int i = index; i < size - 1; i++) {
users[i] = users[i + 1];
}
size--;
System.out.println("注销成功！");
}
}
运行结果：
psp2.1 任务内容 计划完成需要的时间（min） 实际完成需要的时间（min）
Planning 计划 60 120
Estimate 估计这个任务需要多少时间，并规划大致工作步骤 10 15
Development 开发 100 150
Analysis 需求分析（包括学习新技术） 12 20
Design Spec 生成设计文档 5 5
Design Review 设计复审 5 5
Coding Standard 代码规范 3 2
Design 具体设计 10 12
Coding 具体编码 60 85
Code Review 代码复审 5 6
Test 测试（自我测试，修改代码，提交修改） 10 15
Reporting 报告 9 6
Test Report 测试报告 3 2
Size Measurement 计算工作量 1 1
Postmortem & Process Improvement Plan 事后总结，并提出过程改进计划 4 10
