static void Main(string[] args)
{
Context context = null;
Console.WriteLine("請輸入金額");
string strCash = Console.ReadLine();
Console.WriteLine("請輸入打折方式 1.正常 2.300折100 3.打8折");
CashEnum Mode = (CashEnum)Enum.Parse(typeof(CashEnum), Console.ReadLine());
context = new Context(Mode);
//switch (strMode)
//{
// case CashEnum.normal:
// context = new Context(new CashNormal());
// break;
// case CashEnum.refund:
// context = new Context(new CashReturn("300", "100"));
// break;
// case CashEnum.discount:
// context = new Context(new CashDiscount("0.8"));
// break;
// default:
// break;
//}
//PayCash payCash = CashFactory.createCashAccept((CashEnum)Enum.Parse(typeof(CashEnum),Console.ReadLine()));
double totalPrices = 0d;
totalPrices = context.AcceptCash(Convert.ToDouble(strCash));
Console.WriteLine(totalPrices);
Console.ReadLine();
}
public CashContext(CashEnum cashEnum)
{
switch (cashEnum)
{
case CashEnum.Normal:
this._cash = new CashNormal();
break;
case CashEnum.Return:
this._cash = new CashReturn(300, 100);
break;
case CashEnum.Rebate:
this._cash = new CashRebate(0.8);
break;
default:
throw new ArgumentException("參數錯誤");
}
}
//public Context(PayCash payCash, CashEnum Mode)
public Context(CashEnum Mode)
{
//this.payCash = payCash;
switch (Mode)
{
case CashEnum.normal:
payCash = new CashNormal();
break;
case CashEnum.refund:
payCash = new CashReturn("300", "100");
break;
case CashEnum.discount:
payCash = new CashDiscount("0.8");
break;
default:
break;
}
}
public static PayCash createCashAccept(CashEnum cashEnum)
{
PayCash payCash = null;
switch (cashEnum)
{
case CashEnum.normal:
payCash = new CashNormal();
break;
case CashEnum.refund:
payCash = new CashReturn("300", "100");
break;
case CashEnum.discount:
payCash = new CashDiscount("0.8");
break;
default:
break;
}
return(payCash);
}
