def main():
"""
用于测试的主函数
"""
startCatchDate, endCatchDate, bWrite = readCommand()
test = FCPO("O.FCPO", startCatchDate, endCatchDate, bWrite)
print(test.exchange)
print(test.startDate)
print(test.endDate)
print(test.bWrite)
def main():
"""
用于测试的主函数
"""
startCatchDate, endCatchDate, bWrite = readCommand()
test = SHFE("D.DCE", startCatchDate, endCatchDate, bWrite)
print(test.exchange)
print(test.startDate)
print(test.endDate)
print(test.bWrite)
