// 买入股票
private void BuyStocks(StockOper oper)
{
BuyTransactionCount_++;
double charge = Transaction.GetTotalCharge(oper.UnitPrice * oper.HandCount);
if (bankRoll_ >= charge)
{
bankRoll_ -= charge;
Holder.BuyStock(oper.HandCount, oper.UnitPrice);
LogMgr.Logger.LogInfo("Action: Buy Stock Count: {0}, Unit Price: {1}",
oper.HandCount,
oper.UnitPrice);
}
else
{
throw new InvalidOperationException("Bank Roll is smaller than total price!");
}
}