求指导啊Orz.....我实在是弄不出来了!!!!
我就学了前两季,实在是不知道要怎么搞了,谁可以告诉我怎么把数据保存然后在用么Orz!!(不管如何我都做不到让车的类型在账单中显示)
显示车类及价目表我是借鉴了别人的方法的.......主要是我自己弄的那个在容量那接不上.......
求指导Orz
车的父类
package com.imooc;
public class Car {
//序号
private int num;
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
//汽车的类型
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
//租金
private double price;
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
}载人汽车类
package com.imooc;
public class Salooncar extends Car implements ISeat {
//载人数量(座位)
private int seat;
@Override
public int getSeat(){
// TODO Auto-generated method stub
return seat;
}
public void setSeat(int newSeat) {
this.seat = newSeat;
}
//构造初始化
public Salooncar(int newNum,String newName,double newPrice ,int newSeat) {
this.setNum(newNum);
this.setName(newName);
this.setPrice(newPrice);
this.seat =newSeat;
}
}皮卡车类
package com.imooc;
public class Pickup extends Car implements ISeat,IBurden{
//载人数量(座位)
private int seat;
@Override
public int getSeat() {
return seat;
}
public void setSeat(int newSeat) {
this.seat = newSeat;
}
//载货量
private double burden;
@Override
public double getBurden() {
return burden;
}
public void setBurden(double newSurden) {
this.burden = newSurden;
}
//构造初始化
public Pickup(int newNum,String newName,double newPrice,int newSeat,double newSurden){
this.setNum(newNum);
this.setName(newName);
this.setPrice(newPrice);
this.seat = newSeat;
this.burden = newSurden;
}
}货车类
package com.imooc;
public class Wagon extends Car implements IBurden {
//载货量
private double burden;
@Override
public double getBurden() {
return burden;
}
public void setBurden(double newBurden) {
this.burden = newBurden;
}
//构造初始化
public Wagon(int newNum,String newName,double newPrice,double newBurden){
this.setNum(newNum);
this.setName(newName);
this.setPrice(newPrice);
this.burden = newBurden;
}
}座位(载人数人数)的接口
package com.imooc;
public interface ISeat {
public int getSeat();
}载货量的接口
package com.imooc;
public interface IBurden {
public double getBurden();
}主函数
package com.imooc;
import java.util.Scanner;
import org.omg.CORBA.PUBLIC_MEMBER;
public class Initail {
public static void main(String[] args) {
// TODO Auto-generated method stub
final int yes = 1;
final int no = 0;
//单价
int sum = 0;
//总金额
int sums = 0;
//单辆车可载人数
int people = 0;
//最多可载人数
int peoples = 0;
//单辆车可载货量
int burden1 = 0;
//最多可载载货量
int burden2 = 0;
Car[] car = {new Salooncar(1, "奥迪A4", 500, 4),new Salooncar(2, "马自达6", 400, 4),new Pickup(3, "皮卡雪6", 450, 4, 2),new Salooncar(4, "金龙", 400, 4),new Wagon(5, "松花江", 800, 4),new Wagon(6, "依维柯", 1000, 20)};
Car prives = new Car();
//询问是否进入租车系统
System.out.println("欢迎使用答答租车系统");
System.out.println("请问您是否需要租车:"+"\n"+yes+".是"+"\t"+no+".否");
//创建Scanner对象,对象名为input
Scanner input = new Scanner(System.in);
int one = input.nextInt();//登录系统用的
//登录系统
if(one == yes){
System.out.println("下列是出租车的类型及其价目表");
System.out.println("序号"+"\t"+"汽车类型"+"\t"+"\t"+"出租价格"+"\t"+"\t"+"容量");
//显示出租车的清单列表
for(Car car2:car){
if(car2 instanceof Salooncar){
System.out.println(car2.getNum()+"."+"\t"+car2.getName()+"\t"+"\t"+car2.getPrice()+"元/天"+"\t"+"载人:"+((Salooncar)car2).getSeat());
}
if(car2 instanceof Pickup){
System.out.println(car2.getNum()+"."+"\t"+car2.getName()+"\t"+"\t"+car2.getPrice()+"元/天"+"\t"+"载人:"+((Pickup)car2).getSeat()+"人"+"\t"+"载货:"+((Pickup)car2).getBurden()+"吨");
}
if(car2 instanceof Wagon){
System.out.println(car2.getNum()+"."+"\t"+car2.getName()+"\t"+"\t"+car2.getPrice()+"元/天"+"\t"+"载货:"+((Wagon)car2).getBurden()+"吨");
}
}
//询问需要汽车的辆数
System.out.println("请问需要组多少辆汽车:");
int two = input.nextInt();//选择汽车数量用的
for(int i=1;i<=two;i++){
System.out.println("请输入第"+i+"辆汽车的序号");
int three = input.nextInt();
//不同类型车的租金,载人量,载货量(现在只想到这种方法=-=)
if(three >=1){
int[] price = {500,400,450,400,800,1000};
int[] seat = {4,20};
int[] burden = {2,4,20};
switch(three){
case 1:{
sum = price[0];
people = seat[0];
}
break;
case 2:{
sum = price[1];
people = seat[0];
}
break;
case 3:{
sum = price[2];
people = seat[0];
burden1 = burden[0];
}
break;
case 4:{
sum = price[3];
people = seat[1];
}
break;
case 5:{
sum = price[4];
burden1 = burden[1];
}
break;
case 6:{
sum = price[5];
burden1 = burden[2];
}
break;
}
}
sums = sums + sum ;
peoples = peoples + people;
burden2 = burden2 + burden1;
}
//出租的天数
System.out.println("请输入租借的天数");
int four = input.nextInt();
int days = four;
//计算总金额,总人数,总载货量
sums = sums*days;
peoples = peoples*days;
burden2 = burden2*days;
System.out.println("*****您的账单");
System.out.println("载人类汽车:"+"\t"+"最多可载人:"+peoples+"人");
System.out.println("载货类汽车:"+"\t"+"最多可载货:"+burden2+"吨");
System.out.println("一共的价格:"+sums);
System.out.println("谢谢惠顾~!");
//退出系统
}else if(one == no){
System.out.println("感谢您的再次使用！再见！");
}else{
System.out.println("输入信息出错");
}
}
}
