JAVA圖書館庫存管理系統程式程式碼（管理系統+使用者購買結賬系統）
阿新 • • 發佈：2018-12-23
JAVA圖書館庫存管理系統（管理系統+使用者購買結賬系統）
package Library; import java.io.Serializable; public class Book implements Serializable{ private int bookId; private String bookName; private String auther; private String pubDate; private double price; private int store; public int getBookId() { return bookId; } public void setBookId(int bookId) { this.bookId = bookId; } public String getBookName() { return bookName; } public void setBookName(String bookName) { this.bookName = bookName; } public String getAuther() { return auther; } public void setAuther(String auther) { this.auther = auther; } public String getPubDate() { return pubDate; } public void setPubDate(String pubDate) { this.pubDate = pubDate; } public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } public int getStore() { return store; } public void setStore(int store) { this.store = store; } public Book(int bookId, String bookName, String auther, String pubDate, double price, int store) { super(); this.bookId = bookId; this.bookName = bookName; this.auther = auther; this.pubDate = pubDate; this.price = price; this.store = store; } public Book() { // TODO Auto-generated constructor stub } }</strong></span><span style="font-size:18px;font-weight: bold;"> </span>
package Library; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.ArrayList; import java.util.List; public class BookBiz { private List<Book> bookList =new ArrayList<Book>(); public BookBiz(){ readFile(); if(bookList.size()==0){ Book book=new Book(10001,"鬼吹燈","天下霸唱","2006-1-1",34,3); insertBook(book); book=new Book(10002,"魔戒","莫爾斯","2006-3-1",334,300); insertBook(book); book=new Book(10003,"哈利波特","羅琳","2006-1-1",34,3); insertBook(book); book=new Book(10004,"時間機器人","威爾","2006-3-1",90,30); insertBook(book); book=new Book(10005,"宇宙奧祕","霍金","2006-1-1",89,79); insertBook(book); } } public void insertBook(Book book){ bookList.add(book); saveFile(); } public void deleteBook(int id){ for(int i=0;i<bookList.size();i++){ Book book =bookList.get(i); if(book.getBookId()==1){ bookList.remove(i); saveFile(); return; } } } public void updateBook(Book book){ for(int i=0;i<bookList.size();i++){ Book bk=bookList.get(i); if(bk.getBookId()==book.getBookId()){ bk.setAuther(book.getAuther()); bk.setBookId(book.getBookId()); bk.setPrice(book.getPrice()); bk.setStore(book.getStore()); bk.setPubDate(book.getPubDate()); saveFile(); return; } } } public List<Book> selectBooks(){ return bookList; } public Book selectBook(int id ){ Book book=new Book(); for (int i = 0; i < bookList.size(); i++) { book=bookList.get(i); if(book.getBookId()==id){ return book; } } return null; } public Book selectBook2(int id,int store ){ Book book=new Book(); for (int i = 0; i < bookList.size(); i++) { book=bookList.get(i); if(book.getBookId()==id){ int st=book.getStore()-store; book.setStore(st); return book; } } return null; } public void readFile(){ ObjectInputStream ois=null; FileInputStream fis=null; String name="E:\\Android\\workspace\\MyOopBook\\src\\book.txt"; try {fis=new FileInputStream(name); ois=new ObjectInputStream(fis); bookList=(List<Book>) ois.readObject(); }catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ClassNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally{ try { if(ois!=null){ ois.close(); } } catch (IOException e) { // TODO: handle exception e.printStackTrace(); } } } public void saveFile(){ ObjectOutputStream oos=null; FileOutputStream fos=null; String name="E:\\Android\\workspace\\MyOopBook\\src\\book.txt"; try {fos=new FileOutputStream(name); oos=new ObjectOutputStream(fos); oos.writeObject(bookList); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ try { if(oos!=null){ oos.close(); } } catch (IOException e) { // TODO: handle exception e.printStackTrace(); } } } }
package Library; import java.util.List; import java.util.Scanner; public class BookTest { /** * @param args */ private BookBiz bookbiz=new BookBiz(); public static void main(String[] args) { // TODO Auto-generated method stub Scanner input=new Scanner(System.in); System.out.println("歡迎使用圖書書店"); System.out.println("請輸入使用者名稱"); String userName=input.next(); System.out.println("請輸入密碼"); String userPwd=input.next(); BookTest bt=new BookTest(); if(userName.equals("admin")&&userPwd.equals("123")){ System.out.println("登陸成功"); bt.showMainView(); bt.adminOption(); }else if(userName.equals("user")&&userPwd.equals("123")){ System.out.println("登陸成功"); bt.showuser(); bt.adminOptionuser(); } else{ System.out.println("賬號密碼有錯誤"); } } public void showMainView(){ System.out.println("============歡迎登陸庫存管理系統==========="); System.out.println("書號\t\t書名\t\t作者\t\t日期\t\t價格\t\t數量\t\t"); List<Book> list=bookbiz.selectBooks(); for (Book book : list) { System.out.print(book.getBookId()+"\t\t"); System.out.print(book.getBookName()+"\t\t"); System.out.print(book.getAuther()+"\t\t"); System.out.print(book.getPubDate()+"\t"); System.out.print(book.getPrice()+"\t\t"); System.out.print(book.getStore()+"\n"); } System.out.println("請選擇進行的操作：1.圖書入庫2.圖書出庫3.查詢全部圖書4.新增圖書5.退出"); } public void showuser(){ System.out.println("************歡迎光臨圖書系統*************"); System.out.println("書號\t\t書名\t\t作者\t\t日期\t\t價格\t\t數量\t\t"); List<Book> list=bookbiz.selectBooks(); for (Book book : list) { System.out.print(book.getBookId()+"\t\t"); System.out.print(book.getBookName()+"\t\t"); System.out.print(book.getAuther()+"\t\t"); System.out.print(book.getPubDate()+"\t"); System.out.print(book.getPrice()+"\t\t"); System.out.print(book.getStore()+"\n"); } System.out.println("請選擇進行的操作：1.查詢全部圖書2結賬3.退出"); } public void adminOptionuser(){ Scanner input=new Scanner(System.in); int which=input.nextInt(); switch(which){ case 1: showuser(); adminOptionuser(); //1.查詢全部圖書 break; case 2: jiezhang(); adminOptionuser(); //2結賬 break; default: System.out.println("謝謝使用");//3退出 break; } } public void adminOption(){ Scanner input=new Scanner(System.in); int which=input.nextInt(); switch(which){ case 1: tushuruku(); //1.圖書入庫 break; case 2: tushuchuku(); //2.圖書出庫 break; case 3: //3查詢全部圖書 { showMainView(); adminOption();} break; case 4: insertbook(); //4.新增圖書 break; default: System.out.println("謝謝使用");//5退出 break; } } public void tushuruku(){ System.out.println("請輸入圖書資訊"); System.out.println("請輸入圖書ID："); Scanner input=new Scanner(System.in); int id=input.nextInt(); Book book=bookbiz.selectBook(id); System.out.println("請輸入入庫庫存數量："); int store=input.nextInt(); store+=book.getStore(); book.setStore(store); bookbiz.saveFile(); // bookbiz.readFile(); 一開始用第一次用讀 showMainView(); adminOption(); } public void tushuchuku(){ System.out.println("請輸入圖書資訊"); System.out.println("請輸入圖書ID："); Scanner input=new Scanner(System.in); int id=input.nextInt(); System.out.println("請輸入出庫庫存數量："); int store=input.nextInt(); bookbiz.selectBook2(id,store); bookbiz.saveFile(); // bookbiz.readFile(); 一開始用第一次用讀 showMainView(); adminOption(); } private void insertbook() { // TODO Auto-generated method stub Scanner a=new Scanner(System.in); System.out.println("請輸入增加圖書資訊"); System.out.println("請輸入圖書ID"); int m=a.nextInt(); System.out.println("請輸入書名"); String e=a.next(); System.out.println("請輸入作者"); String t=a.next(); System.out.println("請輸入日期"); String y=a.next(); System.out.println("請輸入價格"); double p=a.nextInt(); System.out.println("請輸入庫存"); int u=a.nextInt(); Book c=new Book(m,e,t,y,p,u); bookbiz.insertBook(c); showMainView(); adminOption(); } public void jiezhang(){ System.out.println("請輸入欲購買的圖書資訊："); System.out.println("請輸入圖書Id："); Scanner input=new Scanner(System.in); int id=input.nextInt(); System.out.println("請輸入購買數量"); int store=input.nextInt(); bookbiz.selectBook2(id,store); bookbiz.saveFile(); Book book=bookbiz.selectBook(id); System.out.println(book.getBookName()+":"+book.getPrice()); System.out.println("數量："+store); System.out.println("小計："+(store*book.getPrice())); showuser(); } }
使用者購買系統
圖書館使用者購買系統優化
package biz;
import java.io.Serializable;
public class Book implements Serializable {
private int bookId;
private String bookName;
private String author;
private String pubDate;
private double price;
private int store;
public Book(){}
public Book(int bookId, String bookName, String author, String pubDate,
double price, int store) {
super();
this.bookId = bookId;
this.bookName = bookName;
this.author = author;
this.pubDate = pubDate;
this.price = price;
this.store = store;
}
public int getBookId() {
return bookId;
}
public void setBookId(int bookId) {
this.bookId = bookId;
}
public String getBookName() {
return bookName;
}
public void setBookName(String bookName) {
this.bookName = bookName;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getPubDate() {
return pubDate;
}
public void setPubDate(String pubDate) {
this.pubDate = pubDate;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public int getStore() {
return store;
}
public void setStore(int store) {
this.store = store;
}
}
package biz;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.List;
public class BookBiz {
private List<Book> bookList = new ArrayList<Book>();
public BookBiz(){
readFile();
if(bookList.size()==0){
Book book = new Book(10001,"鬼吹燈","天下霸唱","2006-01-01",87,100);
insertBook(book);
book = new Book(10002,"魔戒","莫爾斯","2006-01-01",22,55);
insertBook(book);
book = new Book(10003,"哈利波特","羅琳","2008-01-01",45,25);
insertBook(book);
book = new Book(10004,"時間機器","威爾","2009-01-01",66,64);
insertBook(book);
book = new Book(10005,"宇宙奧祕","霍金","2010-01-01",76,67);
insertBook(book);
}
}
public void insertBook(Book book){
bookList.add(book);
saveFile();
}
public void deleteBook(int id){
for(int i= 0 ; i<bookList.size(); i++){
Book book = bookList.get(i);
if(book.getBookId() == id){
bookList.remove(i);
saveFile();
return;
}
}
}
public void updateBook(Book book){
for(int i=0 ; i < bookList.size();i++){
Book bk = bookList.get(i);
if(bk.getBookId() == book.getBookId()){
bk.setAuthor(book.getAuthor());
bk.setBookName(book.getBookName());
bk.setPrice(book.getPrice());
bk.setStore(book.getStore());
bk.setPubDate(book.getPubDate());
saveFile();
return;
}
}
}
public List<Book> selectBooks(){
return bookList;
}
public Book selectBook(int id){
Book book = new Book();
for(int i =0;i<bookList.size();i++){
book = bookList.get(i);
if(book.getBookId() == id){
return book;
}
}
return null;
}
public void readFile(){
ObjectInputStream ois = null;
FileInputStream fis = null;
String name = "E:\\Android\\workspace\\MyOopBookTeacher\\src\\biz\\book.txt";
try {
fis = new FileInputStream(name);
ois = new ObjectInputStream(fis);
bookList = (List<Book>) ois.readObject();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
try {
if(ois!=null){
ois.close();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public void saveFile(){
ObjectOutputStream oos = null;
FileOutputStream fos = null;
String name = "E:\\Android\\workspace\\MyOopBookTeacher\\src\\biz\\book.txt";
try {
fos = new FileOutputStream(name);
oos = new ObjectOutputStream(fos);
oos.writeObject(bookList);
System.out.println("資料儲存成功");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
try {
if(oos!=null){
oos.close();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
package biz;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;
public class BookTest {
private BookBiz bookbiz = new BookBiz();
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("歡迎使用圖書書店");
System.out.println("請輸入使用者名稱:");
String userName = input.next();
System.out.println("請輸入密碼:");
String userPwd = input.next();
BookTest bt = new BookTest();
if(userName.equals("admin")&&userPwd.equals("123")){
System.out.println("登陸成功");
bt.showMainView("admin");
bt.adminOption();
}else if(userName.equals("user")&&userPwd.equals("user")){
System.out.println("登陸成功");
bt.showMainView("user");
bt.userOption();
}
else{
System.out.println("使用者或密碼");
}
}
public void showMainView(String arg){
System.out.println("==================歡迎登入庫存管理系統===================");
System.out.println("書號\t\t書名\t\t作者\t\t釋出日期\t\t價格\t\t庫存");
List<Book> list = bookbiz.selectBooks();
for (Book book : list) {
System.out.print(book.getBookId()+"\t\t");
System.out.print(book.getBookName()+"\t\t");
System.out.print(book.getAuthor()+"\t\t");
System.out.print(book.getPubDate()+"\t\t");
System.out.print(book.getPrice()+"\t\t");
System.out.print(book.getStore()+"\n");
}
if(arg.equals("admin")){
System.out.println("請選擇進行的操作:1.圖書入庫 2.圖書出庫 " +
"3.查詢全部圖書 4.新增圖書 5.退出");
}else{
System.out.println("請選擇進行的操作:1.查詢 2.結賬 3.退出");
}
}
public void adminOption(){
Scanner input = new Scanner(System.in);
int which = input.nextInt();
switch(which){
case 1: //入庫
inStore();
break;
case 2: //出庫
outStore();
break;
case 3: //查詢全部
showMainView("admin");
break;
case 4: //新增圖書
addBook();
break;
default: //退出
bookbiz.saveFile();
break;
}
}
public void inStore(){
Scanner input = new Scanner(System.in);
System.out.println("請輸入圖書資訊");
System.out.println("請輸入圖書ID:");
int bookId = input.nextInt();
Book book = bookbiz.selectBook(bookId);
System.out.println("請輸入入庫的數量");
int qty = input.nextInt();
qty += book.getStore();
book.setStore(qty);
bookbiz.saveFile();
showMainView("admin");
adminOption();
}
public void outStore(){
Scanner input = new Scanner(System.in);
System.out.println("請輸入圖書資訊");
System.out.println("請輸入圖書ID:");
int bookId = input.nextInt();
Book book = bookbiz.selectBook(bookId);
System.out.println("請輸入出庫的數量");
int qty = input.nextInt();
book.setStore(book.getStore()-qty);
bookbiz.saveFile();
showMainView("admin");
adminOption();
}
public void addBook(){
Scanner input = new Scanner(System.in);
System.out.println("請輸入圖書資訊");
System.out.println("請輸入圖書ID:");
int bookId = input.nextInt();
System.out.println("請輸入書名");
String bookName = input.next();
System.out.println("請輸入作者");
String author = input.next();
System.out.println("請輸入出版時間");
String pubDate = input.next();
System.out.println("請輸入價格");
double price = input.nextDouble();
System.out.println("請輸入數量");
int qty = input.nextInt();
Book book = new Book();
book.setBookId(bookId);
book.setBookName(bookName);
book.setAuthor(author);
book.setPubDate(pubDate);
book.setPrice(price);
book.setStore(qty);
bookbiz.insertBook(book);
showMainView("admin");
adminOption();
}
public void userOption(){
Scanner input = new Scanner(System.in);
int which = input.nextInt();
switch(which){
case 1:
break;
case 2:
pay();
break;
default:
break;
}
}
public void pay(){
Scanner input = new Scanner(System.in);
boolean flag = true;
double amt = 0;
Map map = new HashMap();
do{
System.out.println("請輸入要購買的圖書編號:");
int bookId = input.nextInt();
Book book = bookbiz.selectBook(bookId);
System.out.println("請輸入購買數量:");
int count = input.nextInt();
if(book.getStore()<count){
System.out.println("購買數量過大,請重新輸入");
continue;
}
if(map.containsKey(book)){
int temp = Integer.parseInt(map.get(book).toString());
map.put(book, count+temp);
}else{
map.put(book, count);
}
System.out.println(book.getBookName()+":"+book.getPrice());
System.out.println(count);
System.out.println("小計:"+(count*book.getPrice()));
amt += count*book.getPrice();
System.out.println("是否繼續購買(y/n)");
String str = input.next();
if(!str.equals("y")){
flag = false;
}
}while(flag);
System.out.println("總計:"+amt);
System.out.println("支付:");
double pay = input.nextDouble();
Set set = map.keySet();
Iterator it = set.iterator();
while(it.hasNext()){
System.out.println("AAAAA");
Book book = (Book) it.next();
book = bookbiz.selectBook(book.getBookId());
int count = Integer.parseInt(map.get(book).toString());
book.setStore(book.getStore()-count);
bookbiz.saveFile();
}
System.out.println("找零:"+(pay-amt));
showMainView("user");
userOption();
}
}
作者：沖天之峰 20160619