void Test()
{
Stock abcStock = new Stock();
BuyStock buyStockOrder = new BuyStock(abcStock);
SellStock sellStockOrder = new SellStock(abcStock);
Broker broker = new Broker();
broker.takeOrder(buyStockOrder);
broker.takeOrder(sellStockOrder);
broker.placeOrders();
}
/// <summary>
/// 步骤 5 使用 Broker 类来接受并执行命令。
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
Stock abcStock = new Stock();
BuyStock buyStockOrder = new BuyStock(abcStock);
SellStock sellStockOrder = new SellStock(abcStock);
Broker broker = new Broker();
broker.TakeOrder(buyStockOrder);
broker.TakeOrder(sellStockOrder);
broker.PlaceOrders();
Console.ReadKey();
}