def fetch_instruments_by_exchange(self, exchange_id):
'''不能单独用exchange_id,因此没有意义
'''
req = ApiStruct.QryInstrument(ExchangeID=exchange_id, )
self.requestid += 1
r = self.ReqQryInstrument(req, self.requestid)
print u'A:查询合约, 函数发出返回值:%s' % r
def fetch_instrument(self, instrument_id):
req = ApiStruct.QryInstrument(InstrumentID=instrument_id, )
self.requestid += 1
r = self.ReqQryInstrument(req, self.requestid)
print u'A:查询合约, 函数发出返回值:%s' % r