答答租车系统开发之代码分享

//界面类

package com.dada;
import java.util.*;
public class UI {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        while(true){
        System.out.println("欢迎使用答答租车系统：");
        System.out.println("您是否要租车？1是，0否");
        Scanner in=new Scanner(System.in);
        int go;
        go=in.nextInt();
        if(go==0)
            break;
        else if(go!=1)
            System.out.println("输入有误，请重新输入");
        else
        {
            System.out.println("您可租车的类型及其价目表");
            System.out.println("序号  汽车名称    租金             容量");
            System.out.println("1.   奥迪A4   500元/天      载入：4人"  );
            System.out.println("2.   马自达6  400元/天       载入：4人"  );
            System.out.println("3.   皮卡雪6  450元/天       载入：4人,载货：2吨"  );
            System.out.println("4.   金龙          800元/天      载入：20人"  );
            System.out.println("5.   松花江      400元/天       载货：4吨"  );
            System.out.println("6.   依维柯      1000元/天     载货：20吨"  );
            System.out.println("请输入您要租汽车的数量：");

            int num=in.nextInt();

            List list=new List(num);
            Car car=new Car();

            for(int i=0;i<num;i++)
            {
                System.out.println("请输入第"+(i+1)+"辆车的序号");
                int choiceCar=in.nextInt();
                switch(choiceCar)
                {
                case 1:car=new Car("奥迪A4",500,4,0);list.carlist[i]=car; break;
                case 2:car=new Car("马自达6",400,4,0);list.carlist[i]=car;break;
                case 3:car=new Car("皮卡雪6",450,4,2);list.carlist[i]=car;break;
                case 4:car=new Car("金龙",800,20,0);list.carlist[i]=car;break;
                case 5:car=new Car("松花江",400,0,4);list.carlist[i]=car;break;
                case 6:car=new Car("依维柯",1000,0,20);list.carlist[i]=car;break;
                }
            }
            System.out.println("请输入租车天数：");
            int day=in.nextInt();
            list.show(day);
            System.out.println();
            System.out.println();
        }
        }
    }

}

//Car类

package com.dada;

public class Car {
    String carName;//车名
    int carPrice;//租金
    int manned;//载人数
    int cargo;//载货量
    public Car(){}
    public Car(String carName,int carPrice,int manned,int cargo)
    {
        this.carName=carName;
        this.carPrice=carPrice;
        this.manned=manned;
        this.cargo=cargo;
    }

}

//清单类

package com.dada;

public class List {
    int totalPrice;//总价格
    int totalmanned;//总载入
    int totalcargo;//总载货
    Car[]carlist;//已选汽车

    public List(int sum)
    {
        carlist=new Car[sum];
    }

    public void show(int day)
    {

        for(Car i:carlist)
        {
            totalmanned+=i.manned;
            totalcargo+=i.cargo;
        }
        System.out.println("您的账单：");
        System.out.println("***可载人的的车有：");
        for(Car i:carlist)
            if(i.manned!=0)
                System.out.print(i.carName+"  ");
        System.out.println("共载人"+totalmanned+"人");
        System.out.println("***载货的的车有：");
        for(Car i:carlist)
            if(i.cargo!=0)
                System.out.print(i.carName+"  ");
        System.out.println("共载货："+totalcargo+"吨");

        for(Car i:carlist)
            totalPrice+=i.carPrice;
        totalPrice*=day;

        System.out.println("***租车总价格："+totalPrice+"元"); 
    }
}