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 on_btn_del_row_clicked(self):
        min_row, max_row, _, _ = self.ui.tblFuzzingValues.selection_range()
        self.delete_lines(min_row, max_row)