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 testWrapperV2Build(self, wrapper):
    cell = rnn_cell_impl.LSTMCell(10)
    wrapper = wrapper(cell)
    wrapper.build((1,))
    self.assertTrue(cell.built)