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 __add_random_fuzzing_values(self):
        n = self.ui.spinBoxNumberRandom.value()
        minimum = self.ui.spinBoxRandomMinimum.value()
        maximum = self.ui.spinBoxRandomMaximum.value()
        self.fuzz_table_model.add_random(n, minimum, maximum)