public class Books {
private String book_no;
private String book_name;
private String book_author;
private String release_time;
private double price;
private int stock;
public Books() {
super();
}
public Books(String book_no, String book_name, String book_author,
String release_time, double price, int stock) {
super();
this.book_no = book_no;
this.book_name = book_name;
this.book_author = book_author;
this.release_time = release_time;
this.price = price;
this.stock = stock;
}
public int getStock() {
return stock;
}
public void setStock(int stock) {
this.stock = stock;
}
public String getBook_no() {
return book_no;
}
public void setBook_no(String book_no) {
this.book_no = book_no;
}
public String getBook_name() {
return book_name;
}
public void setBook_name(String book_name) {
this.book_name = book_name;
}
public String getBook_author() {
return book_author;
}
public void setBook_author(String book_author) {
this.book_author = book_author;
}
public String getRelease_time() {
return release_time;
}
public void setRelease_time(String release_time) {
this.release_time = release_time;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public class BookManager {
private Books[] books;
private int ID = 10000;
private double summoney;
public BookManager() {
super();
books = new Books[30];
}
// 图书入库
public void addBooks(String ID, int stock) {
for (Books b : books) {
if (b.getBook_no().equals(ID)) {
b.setStock(b.getStock() + stock);
break;
}
}
}
// 图书出库
public void delivery(String ID, int stock) {
for (Books b : books) {
if (b.getBook_no().equals(ID)) {
if (b.getStock() > stock) {
b.setStock(b.getStock() - stock);
break;
}
}
}
}
// 查询全部图书
public void showBooks() {
if (books != null) {
for (Books books2 : books) {
if (books2 != null) {
System.out.println(books2.getBook_no() + "\t"
+ books2.getBook_name() + "\t"
+ books2.getBook_author() + "\t"
+ books2.getRelease_time() + "\t"
+ books2.getPrice() + "\t" + books2.getStock());
}
}
} else {
System.err.print("暂无库存!");
}
}
// 新增图书
public void increaseBook(Books books) {
for (int i = 0; i < this.books.length; i++) {
if (this.books[i] == null) {
this.books[i] = books;
break;
}
}
}
//自动添加图书编号
public String returnNo() {
if (books != null) {
ID += 1;
return String.valueOf(ID);
} else {
return "";
}
}
// 结账
public void account(String ID, int num) {
for (Books books2 : books) {
if (books2.getBook
public class Test {
public static void main(String[] args) {
System.out.println("***********欢迎使用图书书店**********");
System.out.print("请输入用户名：");
Scanner input = new Scanner(System.in);
String name = input.next();
System.out.println("请输入密码");
String pwd = input.next();
Admin admin = new Admin(name, pwd);
boolean flag1 = admin.identity();
User user = new User(name, pwd);
boolean flag2 = user.identity();
BookManager bookManager = new BookManager();
if (flag1) {
System.out.println("登录成功！");
System.out.println();
boolean flag = true;
System.out.println("********欢迎登录库存管理系统*********");
do {
System.out
.println("请选择进行的操作：1.图书入库 2.图书出库 3.查询全部图书 4.新增图书 5.退出");
int num = input.nextInt();
switch (num) {
case 1:
System.out.print("请输入图书ID:");
String bookID = input.next();
System.out.print("请输入入库的数量");
int stock = input.nextInt();
bookManager.addBooks(bookID, stock);
System.out.print("书号\t书名\t作者\t发布时间\t价格\t库存\n");
bookManager.showBooks();
break;
case 2:
System.out.print("请输入图书ID:");
String bookID1 = input.next();
System.out.print("请输入出库的数量");
int stock1 = input.nextInt();
bookManager.delivery(bookID1, stock1);
System.out.print("书号\t书名\t作者\t发布时间\t价格\t库存\n");
bookManager.showBooks();
break;
case 3:
System.out.print("书号\t书名\t作者\t发布时间\t价格\t库存\n");
bookManager.showBooks();
break;
case 4:
System.out.print("请输入书名：");
String authorName = input.next();
System.out.print("请输入作者名：");
String author = input.next();
System.out.print("请输入发布时间：");
String time = input.next();
System.out.print("请输入价格：");
double price = input.nextDouble();
System.out.println("请输入数量：");
int stock2 = input.nextInt();
Books book = new Books(bookManager.returnNo(), authorName,
author, time, price, stock2);
bookManager.increaseBook(book);
System.out.print("书号\t书名\t作者\t发布时间\t价格\t库存\n");
bookManager.showBooks();
break;
default:
flag = false;
break;
}
} while (flag);
}
if (flag2) {
System.out.println("登录成功！");
Books books2 = new Books("10001", "鬼吹灯", "天下霸唱", "2008-7-1", 23, 87);
Books books = new Books("10002", "魔戒1", "莫尔斯", "2005-3-14", 54, 13);
bookManager.increaseBook(books);
bookManager.increaseBook(books2);
boolean flag = true;
System.out.println("********欢迎光临图书馆系统*********");
do {
System.out.println("请选择进行的操作：1.查看图书 2.结账 3.退出");
int num = input.nextInt();
switch (num) {
case 1:
System.out.print("书号\t书名\t作者\t发布时间\t价格\t库存\n");
bookManager.showBooks();
break;
case 2:
System.out.print("请输入图书ID:");
String bookID1 = input.next();
System.out.print("请输入购买数量");
int buy_num = input.nextInt();
bookManager.account(bookID1, buy_num);
break;
default:
flag = false;
break;
}
} while (flag);
}
}
}
_no().equals(ID)) {
summoney = books2.getPrice() * num;
System.out.print(books2.getBook_no()+":"+books2.getPrice()+"\n"+
"数量："+num+"\n小记："+summoney);
break;
}
}
}
public class Admin {
private String admin_name;
private String admin_pwd;
public Admin() {
super();
}
public Admin(String admin_name, String admin_pwd) {
super();
this.admin_name = admin_name;
this.admin_pwd = admin_pwd;
}
// 身份认证
public boolean identity() {
if (getAdmin_name().equals("admin") && getAdmin_pwd().equals("admin")) {
return true;
} else {
return false;
}
}
public String getAdmin_name() {
return admin_name;
}
public void setAdmin_name(String admin_name) {
this.admin_name = admin_name;
}
public String getAdmin_pwd() {
return admin_pwd;
}
public void setAdmin_pwd(String admin_pwd) {
this.admin_pwd = admin_pwd;
}
}
public class User {
private String user_name;
private String user_pwd;
Admin admin = new Admin();
public User() {
super();
}
public User(String user_name, String user_pwd) {
super();
this.user_name = user_name;
this.user_pwd = user_pwd;
}
// 身份认证
public boolean identity() {
if (getUser_name().equals("user") && getUser_pwd().equals("user")) {
return true;
} else {
return false;
}
}
public String getUser_name() {
return user_name;
}
public void setUser_name(String user_name) {
this.user_name = user_name;
}
public String getUser_pwd() {
return user_pwd;
}
public void setUser_pwd(String user_pwd) {
this.user_pwd = user_pwd;
}
}
