public Double calcProfit(Trade trade, Double brokerFeeFactor) {
Double profit = 0.0;
if (reversedOrder != null) {
Double totalTradeAmount = trade.getAmount() * brokerFeeFactor;
Double tradeAmountRatio = trade.getAmount() / reversedOrder.getBrokerAmount();
Double bruttoAmountEquivalent = reversedOrder.getAmount() * tradeAmountRatio;
Double feeDeduction = (bruttoAmountEquivalent - totalTradeAmount) * rate;
if (type.equals("sell")) {
Double sellPrice = totalTradeAmount * rate;
Double buyPrice = bruttoAmountEquivalent * reversedOrder.getRate();
System.out.println(
"sell: "
+ totalTradeAmount
+ "*"
+ rate
+ ", "
+ bruttoAmountEquivalent
+ "*"
+ reversedOrder.getRate());
profit = (sellPrice - buyPrice) - feeDeduction;
System.out.println("profit=" + profit);
} else if (type.equals("buy")) {
Double buyPrice = bruttoAmountEquivalent * rate;
Double sellPrice = totalTradeAmount * reversedOrder.getRate();
System.out.println(
"buy: "
+ totalTradeAmount
+ "*"
+ rate
+ ", "
+ bruttoAmountEquivalent
+ "*"
+ reversedOrder.getRate());
profit = (sellPrice - buyPrice) - feeDeduction;
System.out.println("profit=" + profit);
}
}
return profit;
}
@Override
public void onClick(View v) {
// 使用工厂方法模式和策略模式模拟交易
// 初始化一张IC卡
Card card = initIC();
// 显示一下卡内信息
System.out.println("========初始卡信息：=========");
showCard(card);
// 是否停止运行标志
boolean flag = true;
while (flag) {
Trade trade = createTrade();
DeductionFacade.deduct(card, trade);
// 交易成功，打印出成功处理消息
System.out.println("\n======交易凭证========");
System.out.println(trade.getTradeNo() + " 交易成功！");
System.out.println("本次发生的交易金额为：" + trade.getAmount() / 100.0 + " 元");
// 展示一下卡内信息
showCard(card);
System.out.print("\n是否需要退出？(Y/N)");
if (getInput().equalsIgnoreCase("y")) {
flag = false; // 退出；
}
}
}