springmvc读取txt文件

public List<String> convertStreamToString(MultipartFile file){
   List<String> list = new ArrayList<>();
    try (InputStream inputStream = file.getInputStream()) {
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
        String line;
        try {
            while ((line = reader.readLine()) != null) {
                list.add(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                inputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    return list;
}