一个简易的网上书店吧

package com.coding.study12;

import java.util.Scanner;

public class Demo01 {
	public static void main(String[] args) {
		while (true) {

			Scanner scanner = new Scanner(System.in);
			System.out.println("----欢迎使用在线购书平台----");
			System.out.println("首次登录请按" + "#" + "注册");
			String account = scanner.nextLine();
			if (account.equals("#")) {
				System.out.println("请输入注册用户属性boss/customer：");
				String type = scanner.nextLine();
				if (type.equals("boss")) {
					System.out.println("请输入新的账号：");
					String account1 = scanner.nextLine();
					System.out.println("请输入新的密码：");
					String passwd1 = scanner.nextLine();
					System.out.println("请输入姓名：");
					String name1 = scanner.nextLine();
					Operation.regist(account1, passwd1, name1, type);

				} else if (type.equals("customer")) {
					System.out.println("请输入新的账号：");
					String account2 = scanner.nextLine();
					System.out.println("请输入新的密码：");
					String passwd2 = scanner.nextLine();
					System.out.println("请输入姓名：");
					String name2 = scanner.nextLine();
					Operation.regist(account2, passwd2, name2, type);
				}

			} else {
				System.out.println("请输入账户密码：");
				String passwd = scanner.nextLine();
				System.out.println("请输入用户类型boss/customer：");
				String type = scanner.nextLine();
				Operation.logine(account, passwd, type);
				// Scanner scanner2 = new Scanner(System.in);
				// Scanner scanner3 = new Scanner(System.in);
				if (type.equals("boss")) {
					operateBoss();
					continue;
				} else if (type.equals("customer")) {
					operateCustomer();
					continue;
				}
			}
		}
	}

	public static void operateBoss() {
		Scanner scanner = new Scanner(System.in);
		Scanner scanner1 = new Scanner(System.in);
		Scanner scanner2 = new Scanner(System.in);
		while (true) {
			System.out.println("请输入你要执行的操作：");
			System.out.println("1.添加书籍");
			System.out.println("2.查看库存");
			System.out.println("3.退出系统");
			int n = scanner2.nextInt();
			switch (n) {
			case 1:
				System.out.println("请输入书籍名：");
				String name = scanner.nextLine();
				System.out.println("请输入书籍作者：");
				String author = scanner.nextLine();
				System.out.println("请输入出版社：");
				String press = scanner.nextLine();
				System.out.println("请输入书籍价格：");
				double price = scanner1.nextDouble();
				System.out.println("请输入书籍数量：");
				int amount = scanner2.nextInt();
				Operation.add(name, author, press, price, amount);

				break;
			case 2:
				Operation.check();
				break;
			case 3:
				return;
			default:
				System.out.println("输入错误请重新输入");
				break;
			}
		}

	}

	public static void operateCustomer() {
		Scanner scanner = new Scanner(System.in);
		Scanner scanner1 = new Scanner(System.in);
		Scanner scanner2 = new Scanner(System.in);
		while (true) {
			System.out.println("请输入你要执行的操作：");
			System.out.println("1.添加购物车");
			System.out.println("2.查看店铺书籍");
			System.out.println("3.查看订单");
			System.out.println("4.退出");
			int n = scanner2.nextInt();
			switch (n) {
			case 1:
				System.out.println("请输入要购买的书籍：");
				String name=scanner.nextLine();
				Operation.addGoods(name);
				break;
			case 2:
				System.out.println("店铺书籍有：");
				Operation.check();
				break;
			case 3:
				System.out.println("您的订单详情：");
				Operation.query();
				break;
			case 4:
				return;
			default:
				System.out.println("输入错误请重新输入");
				break;
			}
		}
	}
}
package com.coding.study12;

public class Boss {
	String account;
	String passwd;
	String name;

	public Boss(String account, String passwd, String name) {
		super();
		this.account = account;
		this.passwd = passwd;
		this.name = name;
	}

	public String getAccount() {
		return account;
	}

	public void setAccount(String account) {
		this.account = account;
	}

	public String getPasswd() {
		return passwd;
	}

	public void setPasswd(String passwd) {
		this.passwd = passwd;
	}

	public String getName() {
		return name;
	}

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

}
package com.coding.study12;

public class Customer {
	String account;
	String passwd;
	String name;

	public Customer(String account, String passwd, String name) {
		super();
		this.account = account;
		this.passwd = passwd;
		this.name = name;
	}

	public String getAccount() {
		return account;
	}

	public void setAccount(String account) {
		this.account = account;
	}

	public String getPasswd() {
		return passwd;
	}

	public void setPasswd(String passwd) {
		this.passwd = passwd;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
}
package com.coding.study12;

public class Books {
	String name;
	String author;
	String press;
	double price;
	int amount;

	public Books(String name, String author, String press, double price, int amount) {
		super();
		this.name = name;
		this.author = author;
		this.press = press;
		this.price = price;
		this.amount = amount;
	}

	public String getName() {
		return name;
	}

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

	public String getAuthor() {
		return author;
	}

	public void setAuthor(String author) {
		this.author = author;
	}

	public String getPress() {
		return press;
	}

	public void setPress(String press) {
		this.press = press;
	}

	public double getPrice() {
		return price;
	}

	public void setPrice(double price) {
		this.price = price;
	}

	public int getAmount() {
		return amount;
	}

	public void setAmount(int amount) {
		this.amount = amount;
	}

}
package com.coding.study12;


public class Operation {
	public static void regist(String account, String passwd, String name, String type) {
		Boss boss = new Boss(account, passwd, name);
		Customer customer = new Customer(account, passwd, name);
		if (type.equals("boss")) {
			for (int i = 0; i < Tools.bosses.length; i++) {
				if (Tools.bosses[i] == null) {
					Tools.bosses[i] = boss;
					System.out.println("boss注册成功！！！");
					break;
				}
			}
		} else if (type.equals("customer")) {
			for (int i = 0; i < Tools.customers.length; i++) {
				if (Tools.customers[i] == null) {
					Tools.customers[i] = customer;
					System.out.println("customer注册成功！！！");
					break;
				}
			}
		}
	}

	public static void logine(String account, String passwd, String type) {
		if (type.equals("boss")) {
			for (int i = 0; i < Tools.bosses.length; i++) {
				if (Tools.bosses[i] != null) {
					if (account.equals(Tools.bosses[i].getAccount()) && passwd.equals(Tools.bosses[i].getPasswd())) {
						System.out.println("欢迎boss:" + Tools.bosses[i].getName());
						// return true;
					}
				}
			}

		} else if (type.equals("customer")) {
			for (int i = 0; i < Tools.customers.length; i++) {
				if (Tools.customers[i] != null) {
					if (account.equals(Tools.customers[i].getAccount())
							&& passwd.equals(Tools.customers[i].getPasswd())) {
						System.out.println("欢迎customer：" + Tools.customers[i].getName() + "光临");
						// return true;
					}
				}
			}
		}
		// return false;
	}

	public static void add(String name, String author, String press, double price, int amount) {
		Books book = new Books(name, author, press, price, amount);
		for (int i = 0; i < Tools.books.length; i++) {
			if (Tools.books[i] == null) {
				Tools.books[i] = book;
				System.out.println("存储书籍信息成功");
				break;
			}
		}
	}

	public static void check() {
		for (int i = 0; i < Tools.books.length; i++) {
			if (Tools.books[i] != null) {
				System.out.println("书籍名：" + Tools.books[i].getName());
				System.out.println("作者：" + Tools.books[i].getAuthor());
				System.out.println("出版社：" + Tools.books[i].getPress());
				System.out.println("价格：" + Tools.books[i].getPrice());
				System.out.println("库存数：" + Tools.books[i].getAmount());
			}
		}
	}

	public static void addGoods(String name) {
		GoodsCar goods = new GoodsCar(name);
		for (int i = 0; i < Tools.goodsCar.length; i++) {
			if (Tools.goodsCar[i] == null) {
				Tools.goodsCar[i] = goods;
				System.out.println("添加购物车成功！");
				break;
			}
		}
	}

	public static void query() {
		double money = 0;
		int num = 0;
		for (int i = 0; i < Tools.goodsCar.length; i++) {
			if (Tools.goodsCar[i] != null) {
				System.out.println(Tools.goodsCar[i].getName());
				for (int j = 0; j < Tools.books.length; j++) {
					if (Tools.books[j]!=null) {
						if (Tools.goodsCar[i].getName().equals(Tools.books[j].getName())) {
							money = money + Tools.books[j].getPrice();
							num++;
							Tools.books[j].setAmount(Tools.books[j].getAmount()-1);
						}
					}
					
				}
			}
		}
		System.out.println("您共买了" + num + "本书，总价为￥：" + money);
	}
}
package com.coding.study12;

public class GoodsCar {
	String name;
	String price;
	public GoodsCar(String name) {
		super();
		this.name = name;
//		this.price = price;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
//	public String getPrice() {
//		return price;
//	}
//	public void setPrice(String price) {
//		this.price = price;
//	}
	
}
package com.coding.study12;

public class Tools {
	public static Books[] books=new Books[100];
	public static Boss[] bosses=new Boss[100];
	public static Customer[] customers=new Customer[100];
	public static GoodsCar[] goodsCar=new GoodsCar[100];
}