java实现汽车租赁系统

java实现汽车租赁系统

本文实例为大家分享了java实现汽车租赁系统的具体代码，供大家参考，具体内容如下

//车类

public abstract class Vehicle {

//车牌号 品牌 日租金

private String id;

private String bhttp://rand;

private int perRent;

public Vehicle(){}

//Vehicle的带参构造方法

public Vehicle(String id, String brand, int perRent) {

this.id = id;

this.brand = brand;

this.perRent = perRent;

}

public void setId(String id){

this.id=id ;

}

public String getId(){

return id;

}

public void setBrand(String brand){

this.brand=brand;

}

public String getBrand(){

return brand;

}

public void setPerRent(int perRent){

this.perRent=perRent;

}

public int getPerRent(){

return perRent;

}

//抽象方法计算租金

public abstract double calcRent(int days);

}

//轿车类

public class Car extends Vehicle{

//型号

private String type;

public void setType(String type){

this.type=type;

}

public String getType(){

return type;geViyYvKPT

}

public Car(){}

//Car的带参构造方法

public Car(String id, String brand, int perRent,String type) {

super(id,brand,perRent);

this.type = type;

}

//重写父类的计算租金方法：根据自己的计算租金规则

public double calcRent(int days) {

double price = this.getPerRent()*days;

if(days>7 && days<=30){

price *= 0.9;

}else if(days>30 && days<=150){

price *= 0.8;

}else if(days>150){

price *= 0.7;

}

return price;

}

}

//客车类

public class Bus extends Vehicle{

//座位数

private int seatCount;

public void setSeatCount(int seatCount){

this.seatCount=seatCount;

}

public int getSeatCount(){

return seatCount;

}

public Bus(){}

//Bus的带参构造方法

public Bus(String id,String brand,int perRent,int seatCount){

super(id,brand,perRent);

this.seatCount = seatCount;

}

//重写父类的计算租金方法：根据自己的计算租金规则

public double calcRent(int days) {

double price = this.getPerRent()*days;

if(days>=3 && days<7){

price *= 0.9;

}else if(days>=7 && days<30){

price *= 0.8;

}else if(days>=30 && days<150){

price *= 0.7;

}else if(days>150){

price *= 0.6;

}

return price;

}

}

//汽车业务类

public class Operation {

public Vehicle[] vehicle = new Vehicle[8];

//初始化汽车信息

public void init(){

vehicle[0] = new Car("京NY28588","宝马",800,"X6"); //vehicle v = new Car();

vehicle[1] = new Car("京CNY32584","宝马",600,"550i"); //vehicle v = new Car();

vehicle[2] = new Car("京NT37465","别克",300,"林荫大道"); //vehicle v = new Car();

vehicle[3] = new Car("京NT96968","别克",600,"GL8"); //vehicle v = new Car();

vehicle[4] = new Bus("京6566754","金杯",800,16); //vehicle v = new Bus();

vehicle[5] = new Bus("京8696997","金龙",800,16); //vehicle v = new Bus();

vehicle[6] = new Bus("京9696996","金杯",1500,34); //vehicle v = new Bus();

vehicle[7] = new Bus("京8696998","金龙",1500,34); //vehicle v = new Bus();

}

//租车：根据用户提供的条件去汽车数组中查找相应车辆并返回

//如果租赁的是轿车 需要条件：品牌 型号

//如果租赁的是客车 需要条件：品牌 座位数

//简单工厂模式

public Vehicle zuChe(String brand,String type,int seatCount){

Vehicle che = null;

//for循环遍历数组vehicle

for(Vehicle myche : vehicle){

//判断Vehicle类的myche的类型是否和Car一样

if(myche instanceof Car){

//Vehicle类的myche向下转型变成子类Car

Car car = (Car)myche;

if(car.getBrand().equals(brand) && car.getType().equals(type)){

che=car;

break;

}

}else{

//Vehicle类的myche向下转型变成子类Bus

Bus bus = (Bus)myche;

if(bus.getBrand().equals(brand) && bus.getSeatCount() == seatCount){

che=bus;

break;

}

}

}

return che;

}

}

//汽车租赁

public class Rent {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

Operation operation = new Operation();

//租赁公司界面

operation.init();

System.out.println("**********欢迎光临租赁公司**********");

System.out.println("1.轿车\t\t2.客车");

System.out.println("请选择您要租赁的汽车类型：（1.轿车 2.客车）");

int cheType = input.nextInt();

String brand = "";//品牌

String type = "";//型号

int seatCount = 0;//座位数

//收集用户条件

if(cheType == 1){

//租赁轿车

System.out.println("请选择您要租赁的轿车品牌：（1.别克 2.宝马）");

int choose = input.nextInt();

if(choose == 1){

brand="别克";

System.out.println("请选择您要租赁的汽车型号：（1.林荫大道 2.GL8）");

type=(input.nextInt() == 1)?"林荫大道":"GL8";

}else if(choose == 2){

brand="宝马";

System.out.println("请选择您要租赁的汽车型号：（1.X6 2.550i）");

type=(input.nextInt() == 1)?"X6":"550i";

}

}else if(cheType == 2){

//租赁客车

type= "";

System.out.println("请选择您要租赁的客车品牌：（1.金杯 2.金龙）");

brand=(input.nextInt()==1)?"金杯":"金龙";

System.out.println("请选择您要租赁的客车座位数：（1.16座 2.32座）");

seatCount=(input.nextInt() == 1)?16:34;

}

//租车

Vehicle che = operation.zuChe(brand, type, seatCount);

System.out.println("请输入您的租赁天数：");

int days = input.nextInt();

double money = che.calcRent(days);

System.out.println("租车成功，请按照如下车牌号提车："+che.getId());

System.out.println("您需要支付："+money+"元");

}

}

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