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  • 【java】java 读写文件

    场景:JDK8  将上传的文件,保存到服务器

    Java读写文件操作:

    MultipartFile file
    InputStream inputStream = file.getInputStream();
    private void saveOldFile(String uid,String fileName,InputStream inputStream){
            String filePath = getFilePath() + "/" + uid +fileName;
            BufferedReader reader = null;
            BufferedWriter writer = null;
            try {
                File file = new File(filePath);
                reader = new BufferedReader(new InputStreamReader(inputStream));
                writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
    
                String lineText = null;
                while ((lineText = reader.readLine()) != null){
                    writer.write(lineText+FILE_CONTENT_SPLIT_MARK);
    
                }
    
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }finally {
                try {
                    writer.close();
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
    
            }
        }
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  • 原文地址:https://www.cnblogs.com/sxdcgaq8080/p/10936334.html
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