本文實例為大家分享了java實現停車場系統的具體代碼，供大家參考，具體內容如下

現開發一個停車系統，用戶根據車位停車

1)車主查看現在有無車位(最多100個車位),給車主隨機分配一個車位,如果該位置上有車,不能停2)按停車時間收費,3小時以內不收費,3小時以外,每小時2元,最大20元3)車主可以查看自己停車的車位和收費,以及停車的時長4)查看歷史停車記錄

管理員：

查看現有的剩余車位查看已停車的車位查看停在車位上的車以及歷史繳費

Client

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('****歡迎進入停車系統****'); System.out.println('***1.請輸入您的車牌***'); System.out.println('***2.管理員'); System.out.println('***3.退出****'); int choice = Integer.parseInt(scanner.nextLine().trim()); switch (choice) { case 1: System.out.println('請輸入您的車牌'); String chepai = scanner.nextLine().trim(); User a = userserviceimpl.login(new User(chepai)); if (a != null) { System.out.println('車牌登記成功'); Menu2(carparkingservice, userserviceimpl, scanner, a); } else { System.out.println('車牌登記失敗'); } break; case 2: Menu_Manger(carparkingservice, userserviceimpl); default: break; } } } //管理員的登錄注冊 private static void Menu_Manger(CarParkingServiceimpl carparkingservice, UserServiceimpl userserviceimpl) { AdminServiceImpl adminserviceimpl = AdminServiceImpl.getAdminSeriver(); while (true) { System.out.println('1.管理員登錄'); System.out.println('2.管理員注冊'); System.out.println('返回上一級'); Scanner scanner = new Scanner(System.in); int chose = Integer.parseInt(scanner.nextLine().trim()); switch (chose) { case 1: System.out.println('請輸入管理員賬號'); String name = scanner.nextLine().trim(); System.out.println('請輸入管理員密碼'); String password = scanner.nextLine().trim(); if (adminserviceimpl.login(name, password) != null) { System.out.println('登錄成功'); Menu_Manger2(carparkingservice, userserviceimpl, adminserviceimpl);//進行管理員操作 } else { System.out.println('登錄失敗'); return; } break; case 2: System.out.println('請輸入注冊賬號'); name = scanner.nextLine().trim(); System.out.println('請輸入注冊密碼'); password = scanner.nextLine().trim(); adminserviceimpl.register(new Admin(name, password)); break; case 3: return; default: return; } } } //管理員操作 private static void Menu_Manger2(CarParkingServiceimpl carparkingservice, UserServiceimpl userserviceimpl, AdminServiceImpl adminserviceimpl) { while (true) { System.out.println('***歡迎進入管理員操作***'); System.out.println('1.查看現有停車位'); System.out.println('2.查看停車位上的車以及繳費'); System.out.println('3.返回上一級'); Scanner scanner = new Scanner(System.in); int chose = Integer.parseInt(scanner.nextLine().trim()); switch (chose) { case 1: carparkingservice.showlist();//顯示目前所有的空的車位 break; case 2: carparkingservice.show(); break; case 3: return; default: System.out.println('輸入錯誤'); break; } } } private static void Menu2(CarParkingServiceimpl carparkingservice, UserServiceimpl userserviceimpl, Scanner scanner, User a) { while (true) { System.out.println('歡迎車牌為:' + a.getCarid() + '車主' + '請選擇您要的服務'); System.out.println('1.停車'); System.out.println('2.離開并繳費'); System.out.println('3.查看停車車位'); System.out.println('4.停車時長'); System.out.println('0.返回上一級'); 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); //隨機一個車位 if (carparkingservice.parkcar(random, a.getCarid())) { System.out.println('停車成功,停車位置為:' + random); break; } else { System.out.println('當前車位有車'); } } break; case 2: if (carparkingservice.leavecar(a.getCarid())) { System.out.println('請繳費'); } else { System.out.println('該車未停'); } break; case 3: carparkingservice.showlist();//顯示目前所有的空的車位 break; case 4: carparkingservice.showcartime(a.getCarid());//顯示停車時長 break; case 0: return; default: System.out.println('輸入錯誤'); break; } } }}

Admin

package com.gem.entity;import java.util.ArrayList;import lombok.AllArgsConstructor;import lombok.Getter;import lombok.NoArgsConstructor;import lombok.Setter;@AllArgsConstructor@NoArgsConstructor@Getter@Setterpublic 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

package com.gem.entity;import java.text.SimpleDateFormat;import java.util.Date;import lombok.AllArgsConstructor;import lombok.Getter;import lombok.NoArgsConstructor;@AllArgsConstructor@NoArgsConstructor@Getterpublic class CarParking { //車位 public static String getLishi() { return lishi; } public static void setLishi(String lishi) { CarParking.lishi = lishi; } private int id; //停車的編號 private double money;//錢的計算 private String state; //當前停車狀態 private Date stime;//停車時間 private Date etime;//停車結束 private static double allmoney; private static String lishi = ''; public void setEtime() {//停車結束時間 etime = new Date(); SimpleDateFormat dateFormat = new SimpleDateFormat('yyyy-MM-dd'); String time = dateFormat.format(this.etime); } public void setStime() {//停車開始時間 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

package com.gem.entity;import lombok.AllArgsConstructor;import lombok.Getter;import lombok.NoArgsConstructor;import lombok.Setter;@AllArgsConstructor@Setter@NoArgsConstructor@Getterpublic class User { private String carid; //車牌登錄 @Override public String toString() { return '車牌為' + carid; }}

AdminService

package com.gem.service;/* * 管理員業務接口 * * */import com.gem.entity.Admin;public interface AdminService { //登錄 Admin login(String username, String password); //注冊 boolean register(Admin admin);}

AdminServiceImpl

package com.gem.service.impl;import java.util.ArrayList;import com.gem.entity.Admin;import com.gem.service.AdminService;/* * 管理員類實現類 * */public class AdminServiceImpl implements AdminService { private ArrayList<Admin> adminList = new ArrayList<Admin>(); //單例餓漢模式 private static final AdminServiceImpl adminSeriver = new AdminServiceImpl(); public static AdminServiceImpl getAdminSeriver() { return adminSeriver; } private AdminServiceImpl() { } @Override //管理員登錄 public Admin login(String username, String password) {//登錄 for (Admin admin : adminList) { if (admin.getUsername().equals(username) && admin.getPassword().equals(password)) { return admin; } } return null; } @Override //添加管理員 public boolean register(Admin admin) { boolean flag = adminList.add(admin);//添加管理員 return flag; }}

CarParkingService

package com.gem.service;public interface CarParkingService { boolean parkcar(int id, String carid); //停車 void showlist();//顯示所有列表 boolean leavecar(String carid); //離開}

CarParkingServiceimpl

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, '當前車位為空')); // 為100個車位賦予編號 和狀態 } } private static CarParkingServiceimpl carparkingservice = new CarParkingServiceimpl(); public static CarParkingServiceimpl getCarparkingservice() { return carparkingservice; } public CarParkingServiceimpl() { } //停車過來的信息,車牌,還有車位,還有更改狀態,利用車位編號來改變內容 @Override public boolean parkcar(int id, String carid) { // TODO Auto-generated method stub for (CarParking car : carpaking) { if (id == car.getId() && car.getState().equals('當前車位為空')) { car.setState(carid); car.setStime(); return true; //停車成功 } } return false;//當前車位有車 } @Override //顯示所有停車系統的信息 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();//得到當前的查詢時間 Date time2 = car.getStime();//得到開始時間 System.out.println('車位為:' + car.getId() + '車牌為' + car.getState()); System.out.println('停車時間為:' + car.getStime()); System.out.println('當前時間為:' + car.getEtime()); System.out.println('已經停車時間為:' + (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();//得到當前的查詢時間 Date time2 = car.getStime();//得到開始時間 long t = (time1.getTime() - time2.getTime()) / (1000 * 60 * 60); System.out.println('車位為:' + car.getId() + '車牌為' + car.getState()); System.out.println('停車時間為:' + car.getStime()); System.out.println('當前時間為:' + car.getEtime()); System.out.println('已經停車時間為:' + t); if (t <= 3) { car.setMoney(0); car.setAllmoney(car.getAllmoney() + car.getMoney()); //錢累加 } else if (t > 3 && t <= 13) { car.setMoney(2 * (t - 3)); car.setAllmoney(car.getAllmoney() + car.getMoney()); //錢累加 } else if (t > 13) { car.setMoney(20); car.setAllmoney(car.getAllmoney() + car.getMoney()); //錢累加 } car.setLishi(car.getLishi() + '車位:' + car.getId() + '收入金額為:' + car.getMoney() + 'n'); System.out.println('停車費為:' + car.getMoney()); car.setState('當前車位為空'); 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('車輛正在停使中'); return true; } } return false; }}

UserService

package com.gem.service;import com.gem.entity.User;public interface UserService { //用車牌登錄 User login(User a);}

UserServiceimpl

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(); //單例 private UserServiceimpl() { } public static UserServiceimpl getUserserviceimpl() { return userserviceimpl; } @Override public User login(User a) { //把車牌錄入 user.add(a); return a; }}

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