用Java开发一个停车场系统

2020-12-03 15:46:24 浏览数 (1)

作者：亰

blog.csdn.net/weixin_43951778/article/details/109643951

现开发一个停车系统,用户根据车位停车

1)车主查看现在有无车位(最多100个车位),给车主随机分配一个车位,如果该位置上有车,不能停

2)按停车时间收费,3小时以内不收费,3小时以外,每小时2元,最大20元

3)车主可以查看自己停车的车位和收费,以及停车的时长

4)查看历史停车记录

管理员:

  • 查看现有的剩余车位
  • 查看已停车的车位
  • 查看停在车位上的车以及历史缴费

Client

代码语言：javascript复制
package com.gem.client;

import java.util.Scanner;

import com.gem.entity.Admin;
import com.gem.entity.User;
import com.gem.service.impl.AdminServiceImpl;
import com.gem.service.impl.CarParkingServiceimpl;
import com.gem.service.impl.UserServiceimpl;

public class Client {
 public static void main(String[] args) {
  CarParkingServiceimpl carparkingservice = CarParkingServiceimpl.getCarparkingservice();
  UserServiceimpl userserviceimpl = UserServiceimpl.getUserserviceimpl();

  Scanner scanner = new Scanner(System.in);

  Menu1(carparkingservice, userserviceimpl, scanner);

 }

 private static void Menu1(CarParkingServiceimpl carparkingservice, UserServiceimpl userserviceimpl,
   Scanner scanner) {

  while (true) {
   System.out.println("****欢迎进入停车系统****");
   System.out.println("***1.请输入您的车牌***");
   System.out.println("***2.管理员");
   System.out.println("***3.退出****");
   int choice = Integer.parseInt(scanner.nextLine().trim());
   switch (choice) {
   case 1:
    System.out.println("请输入您的车牌");
    String chepai = scanner.nextLine().trim();
    User a = userserviceimpl.login(new User(chepai));
    if (a != null) {
     System.out.println("车牌登记成功");
     Menu2(carparkingservice, userserviceimpl, scanner, a);

    } else {
     System.out.println("车牌登记失败");
    }
    break;
   case 2:
    Menu_Manger(carparkingservice, userserviceimpl);
   default:
    break;
   }
  }

 }

 //管理员的登录注册
 private static void Menu_Manger(CarParkingServiceimpl carparkingservice, UserServiceimpl userserviceimpl) {
  AdminServiceImpl adminserviceimpl = AdminServiceImpl.getAdminSeriver();
  while (true) {
   System.out.println("1.管理员登录");
   System.out.println("2.管理员注册");
   System.out.println("返回上一级");
   Scanner scanner = new Scanner(System.in);
   int chose = Integer.parseInt(scanner.nextLine().trim());
   switch (chose) {
   case 1:
    System.out.println("请输入管理员账号");
    String name = scanner.nextLine().trim();
    System.out.println("请输入管理员密码");
    String password = scanner.nextLine().trim();

    if (adminserviceimpl.login(name, password) != null) {
     System.out.println("登录成功");
     Menu_Manger2(carparkingservice, userserviceimpl, adminserviceimpl);//进行管理员操作
    } else {
     System.out.println("登录失败");
     return;
    }
    break;
   case 2:
    System.out.println("请输入注册账号");
    name = scanner.nextLine().trim();
    System.out.println("请输入注册密码");
    password = scanner.nextLine().trim();
    adminserviceimpl.register(new Admin(name, password));
    break;
   case 3:
    return;
   default:
    return;

   }

  }
 }

 //管理员操作
 private static void Menu_Manger2(CarParkingServiceimpl carparkingservice, UserServiceimpl userserviceimpl,
   AdminServiceImpl adminserviceimpl) {

  while (true) {
   System.out.println("***欢迎进入管理员操作***");
   System.out.println("1.查看现有停车位");
   System.out.println("2.查看停车位上的车以及缴费");
   System.out.println("3.返回上一级");
   Scanner scanner = new Scanner(System.in);
   int chose = Integer.parseInt(scanner.nextLine().trim());
   switch (chose) {
   case 1:
    carparkingservice.showlist();//显示目前所有的空的车位
    break;
   case 2:
    carparkingservice.show();
    break;
   case 3:

    return;

   default:
    System.out.println("输入错误");
    break;
   }
  }
 }

 private static void Menu2(CarParkingServiceimpl carparkingservice, UserServiceimpl userserviceimpl, Scanner scanner,
   User a) {
  while (true) {
   System.out.println("欢迎车牌为:"   a.getCarid()   "车主"   "请选择您要的服务");
   System.out.println("1.停车");
   System.out.println("2.离开并缴费");
   System.out.println("3.查看停车车位");
   System.out.println("4.停车时长");
   System.out.println("0.返回上一级");
   int chose = Integer.parseInt(scanner.nextLine().trim());
   switch (chose) {
   case 1:
    if (carparkingservice.chack(a.getCarid())) {
     break;
    }

    while (true) {
     int random = (int) (Math.random() * 10); //随机一个车位
     if (carparkingservice.parkcar(random, a.getCarid())) {
      System.out.println("停车成功,停车位置为:"   random);
      break;
     } else {
      System.out.println("当前车位有车");
     }
    }

    break;
   case 2:
    if (carparkingservice.leavecar(a.getCarid())) {
     System.out.println("请缴费");
    } else {
     System.out.println("该车未停");
    }
    break;
   case 3:
    carparkingservice.showlist();//显示目前所有的空的车位
    break;
   case 4:
    carparkingservice.showcartime(a.getCarid());//显示停车时长
    break;
   case 0:
    return;
   default:
    System.out.println("输入错误");
    break;
   }
  }
 }
}

Admin

代码语言：javascript复制
package com.gem.entity;

import java.util.ArrayList;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@AllArgsConstructor
@NoArgsConstructor
@Getter
@Setter
public class Admin {
 private String username;
 private String password;
 private double money;
 private ArrayList<String> list = new ArrayList<String>();

 @Override
 public String toString() {
  return username   "t"   password;
 }

 public Admin(String username, String password) {
  super();
  this.username = username;
  this.password = password;
 }
}

CarParking

代码语言：javascript复制
package com.gem.entity;

import java.text.SimpleDateFormat;
import java.util.Date;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;

@AllArgsConstructor
@NoArgsConstructor
@Getter

public class CarParking { //车位

 public static String getLishi() {
  return lishi;
 }

 public static void setLishi(String lishi) {
  CarParking.lishi = lishi;
 }

 private int id; //停车的编号
 private double money;//钱的计算
 private String state; //当前停车状态
 private Date stime;//停车时间
 private Date etime;//停车结束
 private static double allmoney;
 private static String lishi = "";

 public void setEtime() {//停车结束时间
  etime = new Date();
  SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
  String time = dateFormat.format(this.etime);
 }

 public void setStime() {//停车开始时间
  stime = new Date();
  SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
  String time1 = dateFormat.format(this.stime);

 }

 public String toString() {

  return id   "t"   money   "t"   stime;
 }

 public CarParking(int id, String state) {

  this.id = id;
  this.state = state;
 }

 public void CarPark(int id, String carid) {
  // TODO Auto-generated method stub
  this.id = id;
  this.state = carid;

 }

 public int getId() {
  return id;
 }

 public void setId(int id) {
  this.id = id;
 }

 public double getMoney() {
  return money;
 }

 public void setMoney(double money) {
  this.money = money;
 }

 public String getState() {
  return state;
 }

 public void setState(String state) {
  this.state = state;
 }

 public static double getAllmoney() {
  return allmoney;
 }

 public static void setAllmoney(double allmoney) {
  CarParking.allmoney = allmoney;
 }

}

User

代码语言：javascript复制
package com.gem.entity;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@AllArgsConstructor
@Setter
@NoArgsConstructor
@Getter

public class User {
 private String carid; //车牌登录

 @Override
 public String toString() {
  return "车牌为"   carid;
 }

}

AdminService

代码语言：javascript复制
package com.gem.service;
/*
 * 管理员业务接口
 * 
 * */

import com.gem.entity.Admin;

public interface AdminService {
 //登录
 Admin login(String username, String password);

 //注册
 boolean register(Admin admin);
}

AdminServiceImpl

代码语言：javascript复制
package com.gem.service.impl;

import java.util.ArrayList;

import com.gem.entity.Admin;
import com.gem.service.AdminService;

/*
 * 管理员类实现类
 * */
public class AdminServiceImpl implements AdminService {
 private ArrayList<Admin> adminList = new ArrayList<Admin>();
 //单例饿汉模式
 private static final AdminServiceImpl adminSeriver = new AdminServiceImpl();

 public static AdminServiceImpl getAdminSeriver() {
  return adminSeriver;
 }

 private AdminServiceImpl() {
 }

 @Override //管理员登录
 public Admin login(String username, String password) {//登录
  for (Admin admin : adminList) {
   if (admin.getUsername().equals(username) && admin.getPassword().equals(password)) {
    return admin;
   }
  }
  return null;
 }

 @Override //添加管理员
 public boolean register(Admin admin) {
  boolean flag = adminList.add(admin);//添加管理员
  return flag;
 }

}

CarParkingService

代码语言：javascript复制
package com.gem.service;

public interface CarParkingService {
 boolean parkcar(int id, String carid); //停车

 void showlist();//显示所有列表

 boolean leavecar(String carid); //离开
}

CarParkingServiceimpl

代码语言：javascript复制
package com.gem.service.impl;

import java.util.ArrayList;
import java.util.Date;

import com.gem.entity.CarParking;
import com.gem.service.CarParkingService;

public class CarParkingServiceimpl implements CarParkingService {
 private ArrayList<CarParking> carpaking = new ArrayList<CarParking>();

 {

  for (int i = 1; i <= 10; i  ) {
   carpaking.add(new CarParking(i, "当前车位为空")); // 为100个车位赋予编号 和状态

  }
 }

 private static CarParkingServiceimpl carparkingservice = new CarParkingServiceimpl();

 public static CarParkingServiceimpl getCarparkingservice() {
  return carparkingservice;
 }

 public CarParkingServiceimpl() {

 }

 //停车过来的信息,车牌,还有车位,还有更改状态,利用车位编号来改变内容
 @Override
 public boolean parkcar(int id, String carid) {
  // TODO Auto-generated method stub

  for (CarParking car : carpaking) {

   if (id == car.getId() && car.getState().equals("当前车位为空")) {

    car.setState(carid);
    car.setStime();
    return true; //停车成功
   }
  }
  return false;//当前车位有车

 }

 @Override //显示所有停车系统的信息
 public void showlist() {
  // TODO Auto-generated method stub
  for (CarParking car : carpaking) {

   System.out.println(car.getId()   "t"   car.getState());

  }
 }

 public void showcartime(String carid) {
  // TODO Auto-generated method stub
  for (CarParking car : carpaking) {
   if (car.getState().equals(carid)) {
    car.setEtime();
    Date time1 = car.getEtime();//得到当前的查询时间
    Date time2 = car.getStime();//得到开始时间
    System.out.println("车位为:"   car.getId()   "车牌为"   car.getState());
    System.out.println("停车时间为:"   car.getStime());
    System.out.println("当前时间为:"   car.getEtime());
    System.out.println("已经停车时间为:"   (time1.getTime() - time2.getTime()) / (1000 * 60 * 60));
   }
  }
 }

 public boolean leavecar(String carid) {
  // TODO Auto-generated method stub
  for (CarParking car : carpaking) {
   if (car.getState().equals(carid)) {
    car.setEtime();
    Date time1 = car.getEtime();//得到当前的查询时间
    Date time2 = car.getStime();//得到开始时间
    long t = (time1.getTime() - time2.getTime()) / (1000 * 60 * 60);
    System.out.println("车位为:"   car.getId()   "车牌为"   car.getState());
    System.out.println("停车时间为:"   car.getStime());
    System.out.println("当前时间为:"   car.getEtime());
    System.out.println("已经停车时间为:"   t);
    if (t <= 3) {
     car.setMoney(0);
     car.setAllmoney(car.getAllmoney()   car.getMoney()); //钱累加
    } else if (t > 3 && t <= 13) {
     car.setMoney(2 * (t - 3));
     car.setAllmoney(car.getAllmoney()   car.getMoney()); //钱累加
    } else if (t > 13) {
     car.setMoney(20);
     car.setAllmoney(car.getAllmoney()   car.getMoney()); //钱累加
    }
    car.setLishi(car.getLishi()   "车位:"   car.getId()   "收入金额为:"   car.getMoney()   "n");
    System.out.println("停车费为:"   car.getMoney());
    car.setState("当前车位为空");
    return true;
   }

  }
  return false;
 }

 public void show() {
  // TODO Auto-generated method stub
  for (CarParking car : carpaking) {
   System.out.println(car.getLishi());
   return;
  }
 }

 public boolean chack(String carid) {
  for (CarParking car : carpaking) {
   if (car.getState().equals(carid)) {
    System.out.println("车辆正在停使中");
    return true;
   }

  }
  return false;
 }
}

UserService

代码语言：javascript复制
package com.gem.service;

import com.gem.entity.User;

public interface UserService {
 //用车牌登录
 User login(User a);
}

UserServiceimpl

代码语言：javascript复制
package com.gem.service.impl;

import java.util.ArrayList;

import com.gem.entity.User;
import com.gem.service.UserService;

public class UserServiceimpl implements UserService {
 private ArrayList<User> user = new ArrayList<User>();

 private static UserServiceimpl userserviceimpl = new UserServiceimpl(); //单例

 private UserServiceimpl() {

 }

 public static UserServiceimpl getUserserviceimpl() {
  return userserviceimpl;
 }

 @Override
 public User login(User a) { //把车牌录入
  user.add(a);
  return a;
 }

}

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