def close(self):
		'''关闭与数据库的连接'''
		if VERBOSE:
			print 'Database connection CLOSE.'
		self.conn.close()
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)