def ReqUserLogin(self, user: str, pwd: str, broker: str):
        """登录

        :param user:
        :param pwd:
        :param broker:
        """
        self.broker = broker
        self.investor = user
        self.password = pwd
        self.t.ReqUserLogin(BrokerID=broker, UserID=user, Password=pwd)
登录

        :param user:
        :param pwd:
        :param broker: