Java上传文件保存到指定路径_GreenHandKiller的博客_java将文件保存到指定路径

上代码

 @PostMapping("/file-upload")
    @ApiOperation(value = "上传swagger.json", httpMethod = "POST")
    public String fileUpload(@ApiParam(value = "swaggerJsonFile", required = true) @RequestParam(value = "swaggerJsonFile") MultipartFile freeMarkerFile) {

        OutputStream os = null;
        InputStream inputStream = null;
        //保存文件的文件名
        String fileName = "swagger.json";
        try {
            inputStream = freeMarkerFile.getInputStream();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            byte[] bs = new byte[1024];
            // 读取到的数据长度
            int len;
            // 输出的文件流保存到本地文件
            String path = "D:\resources\";//保存到指定的文件目录
            File tempFile = new File(path);
            if (!tempFile.exists()) {
                tempFile.mkdirs();
            }
            os = new FileOutputStream(tempFile.getPath()+ "/" + File.separator + fileName);
            // 开始读取
            while ((len = inputStream.read(bs)) != -1) {
                os.write(bs, 0, len);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // 完毕，关闭所有链接
            try {
                os.close();
                inputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return fileName;
    }
 @P