def insertDomain(self, domain, indegree=0, outdegree=0):
		'''增加一个域名'''
		cur = self.conn.cursor()
		cur.execute("INSERT INTO Domains VALUES (NULL,?,?,?)", (domain, indegree, outdegree))
		# 写入到文件中
		self.conn.commit()
def create(self):
        self._set_changed_options()
        if self.client.check_mode:
            return True
        if self.want.base_key is None:
            raise F5ModuleError(
                "You must specify a 'base_key' when creating a license pool"
            )
        self.create_on_device()
        return True