Java Txt 流文件

				BufferedReader reader = new BufferedReader(new InputStreamReader(txtFile.getInputStream(), request.getCharacterEncoding()));

				String line = null;
				while ((line = reader.readLine()) != null) {
					if (EmptyUtil.notEmpty(line)) {
						macAddresses.addAll(this.parseLine(line));
						line = null;
					}
				}