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());
}

商品期货、股票证券等返回固定的字符串： - 股票证券 实盘：富途证券交易所对象时exchange.GetCurrency()函数返回STOCK。 回测系统：exchange.GetCurrency()函数返回STOCK_CNY。

• 商品期货 实盘：exchange.GetCurrency()函数返回FUTURES。 回测系统：exchange.GetCurrency()函数返回FUTURES_CNY。

{@fun exchange.SetCurrency}