c#想要过程。，！～.…

Question

定义一个人民币RMB类，其中成员包括
1.定义元、角、分三个字段，以及相应的构造函数。
2.对三个字段设置读写属性；
3.定义Print函数，用于输出RMB类数值：元角*分；
4.在类中定义+、-两个操作符的重载。对两个RMB对象进行加减操作，如3元5角8分+4元2角3分=7元8角1分

Answer 1

class RMB
{
    private int _y, _j, _f;
    public RMB(int y = 0, int j = 0, int f = 0)
    {
        _y = y;
        _j = j;
        _f = f;
    }
    public int Yuan
    {
        get { return _y; }
        set { _y = value; }
    }
    public int Jiao
    {
        get { return _j; }
        set { _j = value; }
    }
    public int Fen
    {
        get { return _f; }
        set { _f = value; }
    }

    public static RMB operator +(RMB a, RMB b)
    {
        a.Fen += b.Fen;
        a.Jiao += b.Jiao;
        a.Yuan += b.Yuan;
        if (a.Fen > 9)
        {
            a.Fen -= 10;
            a.Jiao += 1;
        }
        if (a.Jiao > 10)
        {
            a.Jiao -= 10;
            a.Yuan += 1;
        }

        return a;
    }
    public static RMB operator -(RMB a, RMB b)
    {
        a.Fen -= b.Fen;
        a.Jiao -= b.Jiao;
        a.Yuan -= b.Yuan;
        if (a.Fen < 0)
        {
            a.Fen += 10;
            a.Jiao -= 1;
        }
        if (a.Jiao < 0)
        {
            a.Jiao += 10;
            a.Yuan -= 1;
        }
        return a;

    }
    public void Print()
    {
        Console.WriteLine($"{Yuan}元{Jiao}角{Fen}分");
    }
}

class Program
{
    static void Main(string[] args)
    {
        RMB a = new RMB(3, 2, 0);
        RMB b = new RMB(6, 1, 2);
        Console.Write("a:");
        a.Print();
        Console.Write("b:");
        b.Print();
        a += b;
        Console.Write("a+b:");
        a.Print();
        RMB c = new RMB(3, 4, 5);
        Console.Write("c:");
        c.Print();
        a -= c;
        Console.Write("a-c:");
        a.Print();
        Console.ReadLine();

    }
}