def __get_ssh_connector(self):
        # 遠(yuǎn)程連接
        # 跳板機(jī)地址 端口，服務(wù)器賬號，密碼配置
        server = SSHTunnelForwarder(
            (
                self.connect_config.get("ssh_host", ‘白名單服務(wù)器地址'),
                self.connect_config.get("ssh_port", 22)
            ),
            ssh_username=self.connect_config.get("ssh_username", ‘白名單服務(wù)器賬號 '),
            ssh_password=self.connect_config.get("ssh_password", ‘白名單服務(wù)器密碼 '),
            # 內(nèi)網(wǎng)數(shù)據(jù)庫地址和端口
            remote_bind_address=(self.connect_config.get("dbserver", '目標(biāo)數(shù)據(jù)庫地址'), self.connect_config.get("ssh_mssql_port", ‘?dāng)?shù)據(jù)庫端口'))
        )
        server.start()
        return server  # 遠(yuǎn)程主機(jī)上的mssql通過ssh連接映射到本地的端口

 def get_mssql_connector(self):
       return get_mssql_connector({
           "port": self.server.local_bind_port, #非常重要
           "username": ‘目標(biāo)數(shù)據(jù)庫賬號',
           "password": ‘目標(biāo)數(shù)據(jù)庫密碼',
           "db": self.connect_config.get('db', ‘目標(biāo)數(shù)據(jù)庫')
       })

def __get_mssql_connector(database_config):
    host = database_config.get('host', '127.0.0.1')
    port = database_config.get('port', ‘?dāng)?shù)據(jù)庫端口')
    user = database_config.get('username', ‘目標(biāo)數(shù)據(jù)庫賬號')
    passwd = database_config.get('password', ‘目標(biāo)數(shù)據(jù)庫密碼')
    db = database_config.get('db', ‘目標(biāo)數(shù)據(jù)庫')
    return  pymssql.connect(host=host, port=port, user=user, password=passwd, database=db, charset="UTF-8")