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来源：blog.csdn.net/weixin_43951778
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
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 != ) {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) != ) {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
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>;
@Overridepublic 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@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 stubthis.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@Getter
public class User {private String carid; //车牌登录
@Overridepublic String toString {return "车牌为" + carid;}
}
AdminService
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
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 ;}
@Override //添加管理员public boolean register(Admin admin) {boolean flag = adminList.add(admin);//添加管理员return flag;}
}
CarParkingService
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
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@Overridepublic 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 stubfor (CarParking car : carpaking) {
System.out.println(car.getId + "t" + car.getState);
}}
public void showcartime(String carid) {// TODO Auto-generated method stubfor (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 stubfor (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 stubfor (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
package com.gem.service;
import com.gem.entity.User;
public interface UserService {//用车牌登录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; //单例
private UserServiceimpl {
}
public static UserServiceimpl getUserserviceimpl {return userserviceimpl;}
@Overridepublic User login(User a) { //把车牌录入user.add(a);return a;}
}
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