public CashContext(string type, string paramA, string paramB)
{
switch (type)
{
case "正常收费":
cashSuper = new CashNormal();
break;
case "打折":
cashSuper = new CashRebate(paramA);
break;
case "满返":
cashSuper = new CashReturn(paramA, paramB);
break;
default:
break;
}
}
public CashContext(CashSuper cs)
{
this.cs = cs;
}