第三次项目《汽车租赁》

/**
 * 父类车（抽象类）
 */
public abstract class Car {
	
	/**品牌*/
	private String brand;
	/**牌照*/
	private String licenseTag;
	/**日租金*/
	private int dayRant;

	public Car() {
	}
	public Car(String brand, String licenseTag, int dayRant) {
		this.brand = brand;
		this.licenseTag = licenseTag;
		this.dayRant = dayRant;
	}
	/**汽车信息*/
	public void Information() {
		System.out.println("品牌是:"+brand);
	}
	/**租金*/
	public abstract float money(int day);
	
	/**设置品牌*/
	public void setBrand(String brand) {
		this.brand = brand;
	}
	/**得到品牌*/
	public String getBrand() {
		return brand;
	}
	/**得到牌照*/
	public String getLicenseTag() {
		return licenseTag;
	}
	/**设置牌照*/
	public void setLicenseTag(String licenseTag) {
		this.licenseTag = licenseTag;
	}
	/**得到日租金*/
	public int getDayRant() {
		return dayRant;
	}
	/**设置日租金*/
	public void setDayRant(int dayRant) {
		this.dayRant = dayRant;
	}
}
/**客车（具体产品类）*/
public class PassengerCar extends Car{
	/**座位*/
	private String seat;
	
	public PassengerCar() {
	}
	// 构造方法
	public PassengerCar(String brand, String licenseTag, int dayRant, String seat) {
		super(brand, licenseTag, dayRant);
		this.seat = seat;
	}

	/**轿车租赁信息*/
	@Override
	public void Information() {
		super.Information();
		System.out.println("座位数:"+seat);
		System.out.println("牌照是:"+getLicenseTag());
		System.out.println("日租金:"+getDayRant());
	}
	
	public String getSeat() {
		return seat;
	}
	
	public void setSeat(String seat) {
		this.seat = seat;
	}
	/**客车租金计算*/
	@Override
	public float money(int days) {
		float price = this.getDayRant() * days;
		// 天数
		if (days >= 150) {
			// 打折
			price *= 0.6; 
		}else if(days >= 30) {
			price *= 0.7;
		}else if(days >= 7) {
			price *= 0.8;
		}else if(days >= 3) {
			price *= 0.9;
		}
		return price;
	}
}
/**轿车（子类） */
public class SaloonCar extends Car {
	/**型号*/
	private String type;

	public SaloonCar() {
	}
	// 构造方法
	public SaloonCar(String brand, String licenseTag, int dayRant, String type) {
		super(brand, licenseTag, dayRant);
		this.type = type;
	}
	/**轿车租赁信息 */
	@Override
	public void Information() {
		super.Information();
		System.out.println("型号是:"+type);
		System.out.println("牌照是:"+getLicenseTag());
		System.out.println("日租金:"+getDayRant());
	}
	
	public String getType() {
		return type;
	}
	public void setType(String type) {
		this.type = type;
	}
	/**客车租金计算*/
	@Override
	public float money(int days) {
		float price = this.getDayRant() * days;
		if (days > 150) {
			price *= 0.7; 
		}else if(days > 30) {
			price *= 0.8;
		}else if(days > 7) {
			price *= 0.9;
		}
		return price;
	}
}
/** 用户租车 （客户类）*/
public class Client {
	
	public static void main(String[] args) {
		// 创建工厂类对象
		Factory factory = new Factory();
		Scanner input = new Scanner(System.in);
		do {
			System.out.println("=======欢迎来到太阳载具公司=======");
			System.out.println("请选择你的车型:1、汽车  2、其他");
			int choise = input.nextInt();
			// 品牌
			String brand = "";
			// 型号
			String type = "";
			// 座位数
			String seat = "";
			switch (choise) {
				case 1:
					System.out.println("请选择汽车品牌: 1、保时捷  2、布加迪");
					int ScBrand = input.nextInt();
					brand = ScBrand == 1 ? "保时捷" : "布加迪";
					if (ScBrand == 1) {
						System.out.println("请选择型号:1、911 2、新能源 3、卡宴");
						int ScType = input.nextInt();
						if (ScType == 1) {
							type = "911";
						} else if(ScType == 2) {
							type = "新能源";
						} else if(ScType == 3) {
							type = "卡宴";
						}
					} else {
						System.out.println("请选择型号:1、威龙 2、威航");
						type = input.nextInt() == 1 ? "威龙" : "威航";
					}
					break;
				case 2:
					System.out.println("请选择其他载具: 1、UFO  2、和谐号");
					int select = input.nextInt();
					brand = select == 1 ? "UFO" : "和谐号";
					System.out.println("请选择座位类型: 1、100座 2、300座");
					int pcSeat = input.nextInt();
					if (pcSeat == 1) {
						seat = "100座";
					}else {
						seat = "300座";
					}
					break;
				default:
					System.out.println("输入错误!");
					break;
			}
			// 存车到父类引用
			Car car = factory.rantCar(brand, type, seat);
			// 输出车辆信息
			System.out.println("恭喜您！系统选车成功！车辆信息如下：");
			car.Information();
			// 判断子类对象（动态绑定）
			if(car instanceof SaloonCar) {
				// 调用子类特有方法要强转
				SaloonCar sc = (SaloonCar)car;
				System.out.println("您租的是"+sc.getBrand()+sc.getType()+",现有租赁活动: 租车大于7天打9折,租车大于30天打8折,租车大于150天打7折.");
			// 判断子类对象（动态绑定）
			}else if(car instanceof PassengerCar){
				// 调用子类特有方法要强转
				PassengerCar pc = (PassengerCar)car;
				System.out.println("您租的是"+pc.getBrand()+pc.getSeat()+",现有租赁活动: 租车3天打9折,租车7天打8折,租车30天打7折,租车150天6折.");
			}
			System.out.print("请输入您租赁的天数：");
			// 租赁天数
			int rentDay = input.nextInt();
			// 调用子类租金计算
			double rant = car.money(rentDay);
			System.out.println("租金为:"+rant);
		}while(isContinue());
		System.out.println("后期会有更多黑科技，欢迎下次光临呦~！");
	}
	/**是否继续方法*/
	public static boolean isContinue() {
		Scanner input = new Scanner(System.in);
		System.out.println("是否继续(y/n)?");
		String select = input.next();
		if(select.equals("y")) {
			return true;
		}else {
			return false;
		}
		
	}
}
/**载具工厂（工厂类）*/
public class Factory {
	public static Car[] car = new Car[8];
	/**初始化载具信息*/
	static{
		car[0] = new SaloonCar("保时捷", "京11111", 1800, "911");
		car[1] = new SaloonCar("保时捷", "京22222", 1500, "新能源");
		car[2] = new SaloonCar("保时捷", "京33333", 1200, "卡宴");
		car[3] = new SaloonCar("布加迪", "京44444", 2000, "威航");
		car[4] = new PassengerCar("UFO", "宇55555", 2200, "100座");
		car[5] = new PassengerCar("和谐号", "GYYYY", 3200, "300座");
		car[6] = new PassengerCar("UFO", "$$$$$$", 10000, "300座");
		car[7] = new PassengerCar("和谐号", "FY0000", 4200, "100座");
	}
	/**
	 *  判断租哪辆载具
	 * @param brand 品牌
	 * @param type 型号
	 * @param seat 座位
	 * @return 返回Car
	 */
	public Car rantCar(String brand, String type, String seat) {
		for (Car car1 : this.car) {
			// 租轿车
			if(car1 instanceof SaloonCar) {
				// 调用子类特有方法 
				SaloonCar sc = (SaloonCar)car1;
				if (sc.getBrand().equals(brand) && sc.getType().equals(type)) {
					return sc;
				}
			// 租其他载具
			}else if(car1 instanceof PassengerCar) {
				// 调用子类特有方法
				PassengerCar pc = (PassengerCar)car1;
				if (pc.getBrand().equals(brand) && pc.getSeat().equals(seat)) {
					return pc;
				}
			}
		}
		return null;
	}
}