exchange.GetCurrency

```exchange.GetCurrency()```函数返回当前{@var/EXCHANGE exchange}交易所对象设置的交易对。
string

exchange.GetCurrency()

```javascript
function main() {
    Log("exchange 当前交易对为：", exchange.GetCurrency())
}

def main():
    Log("exchange 当前交易对为：", exchange.GetCurrency())

void main() {
    Log("exchange 当前交易对为：", exchange.GetCurrency());
}

交易对格式统一为大写，使用下划线分隔baseCurrency与quoteCurrency，例如：BTC_USDT。

{@fun/Account/exchange.SetCurrency exchange.SetCurrency}

exchange.GetLabel exchange.SetCurrency