public override void BuyProduct()
{
if (_realSubject == null)
{
_realSubject = new RealBuyPerson();
}
this.PreButProduct();
_realSubject.BuyProduct();
this.PostBuyProduct();
}
public override void BuyProduct()
{
Console.WriteLine("通过代理类方位真实实体对象的方法");
if (realSubject == null)
{
realSubject = new RealBuyPerson();
}
this.PreBuyProduct();
realSubject.BuyProduct();
this.PostBuyProduct();
}