创建4个类,分别是:饮品父类(Drink)、 子类可乐类(Cola)、 子类咖啡类
(Coffee)、子类奶茶类(Milk)。
父类Drink包含了饮品名称name、饮品价格price、饮品大小size、购买数量num、备注remark五个字段(其中remark用于备注是否加糖加冰等);另外还包含两个构造函数:无参构造和有参构造,有参构造中给各个字段赋值;还包含一个成员方法show()用于展示订单信息。
四个子类中分别都只包含一个无参构造和一个有参构造,有参构造中调用父类有参构造给字段赋值。
在main方法中尝试购买各种饮品,并输出购买的订单信息。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace 饮品类
{
class Program
{public class Drink
{
public string name;
public int price;
public string size;
public int num;
public string remark;
public Drink()
{
}
public Drink (string name,int price,string size,int num,string remark)
{
this.name = name;
this.price = price;
this.size = size;
this.num = num;
this.remark = remark;
}
public void show()
{
Console.WriteLine("订单信息-----\n 购买饮料{0},花费{1},大小{2},数量{3},备注{4} ", name, price, size, num, remark);
}
}
public string name
{
get { return name; }
set { name = value; }
}
public int price
{
get { return price; }
set { price = value; }
}
public string size
{
get { return size; }
set { size = value; }
}
public int num
{
get { return num; }
set { num = value; }
}
public string remark
{
get { return remark; }
set { remark = value; }
}
public class cola:Drink
{
public cola()
{
}
public cola(string name, int price, string size, int num, string remark)
: base(name, price, size, num, remark) { }
public void show()
{
Console.WriteLine("订单信息-----\n 购买饮料{0},花费{1},大小{2},数量{3},备注{4} ", name, price, size, num, remark);
}
}
public class Coffee:Drink
{
public Coffee() { }
public Coffee (string name, int price, string size, int num, string remark)
:base(name, price, size, num, remark) { }
public void show()
{
Console.WriteLine("订单信息-----\n 购买饮料{0},花费{1},大小{2},数量{3},备注{4} ", name, price, size, num, remark);
}
}
public class Milk : Drink
{
public Milk () { }
public Milk (string name, int price, string size, int num, string remark)
: base(name, price, size, num, remark) { }
public void show()
{
Console.WriteLine("订单信息-----\n 购买饮料{0},花费{1},大小{2},数量{3},备注{4} ", name, price, size, num, remark);
}
}
static void Main(string[] args)
{
Console.WriteLine("购买饮料 1、可乐 2、咖啡 3、奶茶");
int choice = Convert.ToInt32(Console.ReadLine());
switch (choice)
{
case 1:
cola co = new cola();
co.name = "可乐";
int beizi = Convert.ToInt32(Console.ReadLine());
switch (beizi)
{
case 1:
}
}
}
}
}