exchange.GetContractType()函数用于获取{@var/EXCHANGE exchange}交易所对象当前设置的合约代码。
exchange.GetContractType()函数返回{@var/EXCHANGE exchange}交易所对象当前设置的合约代码。
string
exchange.GetContractType()
”`javascript function main () { // 鉴于测试代码，不使用商品期货策略的通用架构，此处仅判断exchange.IO(“status”)函数，在确认连接期货公司前置机成功后立即执行测试代码。股票证券无需使用exchange.IO(“status”)判断连接状态 while(!exchange.IO(“status”)) { Sleep(1000) }
Log(exchange.SetContractType("rb888"))
Log(exchange.GetContractType())
}
python
def main():
while not exchange.IO(“status”):
Sleep(1000)
Log(exchange.SetContractType("rb888"))
Log(exchange.GetContractType())```
”`cpp void main() { while(exchange.IO(“status”) == 0) { Sleep(1000); }
Log(exchange.SetContractType("rb888"));
Log(exchange.GetContractType());
}“`
{@fun/Futures/exchange.SetContractType exchange.SetContractType}