def __initDbClient(self):
    '\n        init DB Client\n        :return:\n        '
    __type = None
    if ('SSDB' == self.db_type):
        __type = 'ssdbClient'
    elif ('REDIS' == self.db_type):
        __type = 'redisClient'
    elif ('POSTGRESQL' == self.db_type):
        __type = 'postgresqlClient'
    else:
        pass
    assert __type, 'type error, Not support DB type: {}'.format(self.db_type)
    self.client = getattr(__import__(__type), ('%sClient' % self.db_type.title()))(host=self.db_host, port=self.db_port, username=self.db_user, password=self.db_pwd, db=self.db_name)
init DB Client
:return:
def __initDbClient(self):
    '\n        init DB Client\n        :return:\n        '
    __type = None
    if ('SSDB' == self.db_type):
        __type = 'ssdbClient'
    elif ('REDIS' == self.db_type):
        __type = 'redisClient'
    elif ('POSTGRESQL' == self.db_type):
        __type = 'postgresqlClient'
    else:
        pass
    assert __type, 'type error, Not support DB type: {}'.format(self.db_type)
    self.client = getattr(__import__(__type), ('%sClient' % self.db_type.title()))(host=self.db_host, port=self.db_port, username=self.db_user, password=self.db_pwd, db=self.db_name)