图书销售管理系统Java源代码

package demo.test; import java.util.Scanner; import com.pb.authority.Normal; import com.pb.authority.StoreMgr; import com.pb.authority.impl.DefaultCustomer; import com.pb.authority.impl.DefaultStoreMgr; import com.pb.bookbiz.BookBiz; import com.pb.entity.Book; import com.pb.entity.extra.Extra; import com.pb.role.Role; import com.pb.role.extra.Customer; import com.pb.role.extra.StoreManager; import demo.user.User; /** * 写 * * @author Administrator * */ public class Test { Scanner input = new Scanner(System.in); public static void main(String[] args) { Test test = new Test(); User user = new User(); System.out.println("欢迎使用青鸟图书书店"); test.accreditRole(user); BookBiz.make_date(); if (user.getRole() instanceof StoreManager) { // 执行库管操作 test.doStoreMgr(user); } else if (user.getRole() instanceof Customer) { // 执行顾客操作 test.doCustomer(user); } } // 授权角色 public void accreditRole(User user) { System.out.println("输入用户名"); String username = input.next(); System.out.println("输入密码"); String password = input.next(); if (user.login(username, password)) { if (username.equals("admin")) { Role storeManager = new StoreManager(); StoreMgr defaultManager = new DefaultStoreMgr(); storeManager.setStoreMgr(defaultManager); user.setRole(storeManager); } else { Role customer = new Customer(); Normal defaultCustomer = new DefaultCustomer(); customer.setNormal(defaultCustomer); user.setRole(customer); } System.out.println("登录成功"); } else { System.out.println("登录失败,请重新登录"); accreditRole(user); } } public void doStoreMgr(User user) { System.out.println("Welcome To Store Management System"); user.query(); System.out .println("Please choose your opration:\n1.inBook 2.outBook 3.savaBook 4.query 5.exit"); try { int choise = input.nextInt(); switch (choise) { case 1: inBook(user); doStoreMgr(user); break; case 2: outBook(user); doStoreMgr(user); break; case 3: Book book=saveBook(); user.save(book); doStoreMgr(user); break; case 4: user.query(); doStoreMgr(user); break; case 5: System.out.println("Thanks for using"); return; default: System.out.println("your choise is false"); } } catch (Exception e) { // TODO: handle exception System.out .println("Please input the correct format information : intger 1 to 5."); input.nextLine(); doStoreMgr(user); } } public void inBook(User user) { try { System.out.println("input the id of the book"); int bookId = input.nextInt(); System.out.println("intput the number of the book"); int bookNum = input.nextInt(); user.in(bookId, bookNum); } catch (Exception e) { System.out.println("Please input integral bookId and bookNum "); input.nextLine(); inBook(user); } } public void outBook(User user) { try { System.out.println("input the id of the book"); int bookId = input.nextInt(); System.out.println("input the number of the book"); int bookNum = input.nextInt(); user.out(bookId, bookNum); } catch (Exception e) { System.out.println("Please input integral bookId and bookNum"); input.nextLine(); outBook(user); } } public Book saveBook() { Book book = new Book(); try { System.out.println("input the bookName"); book.setName(input.next()); System.out.println("input the bookStore"); book.setStore(input.nextInt()); System.out.println("input the public date"); book.setPut_date(input.next()); System.out.println("input the author"); book.setAuthor(input.next()); System.out.println("input the price"); book.setPrice(input.nextDouble()); } catch (Exception e) { System.out .println("the type of bookStore and prece must be integral and double"); input.nextLine(); saveBook(); } return book; } public void doCustomer(User user) { System.out.println("Welcom to the library"); user.query(); System.out.println("please choose your opration:\n1.query\t2.checkout\3.exit"); try{ int choise=input.nextInt(); switch(choise){ case 1: user.query(); break; case 2: checkout(user); break; case 3: System.out.println("Thanks for using"); return; default: System.out.println("ERROR"); throw new Exception(); } }catch (Exception e) { System.out.println("please input correct format information:intger 1 to 3."); } } public void checkout(User user){ Book book=null; System.out.println("input the bookId of the book what you want to buy"); try{ int bookId=input.nextInt(); System.out.println("how many do you want to buy"); int bookNum=input.nextInt(); user.buy(bookId, bookNum); book=user.buy(bookId, bookNum); }catch (Exception e) { System.out.println("please input the correctly format book's ID and book's number"); checkout(user); }if(book!=null){ System.out.println("Do you need anything else:\n1.CD\t2.Bag\t3.Pen\t4.nothing,thanks"); try { int choise=input.nextInt(); if(choise>=1&&choise<=4){ Extra ex=user.buyExtra(choise); book.setEx(ex); user.checkout(book); return; } System.out.println("please input integral 1 to 4"); } catch (Exception e) { // TODO: handle exception System.out.println("input correctly format information"); input.nextLine(); } } } }