response文件流是预览还是下载的区别

加上 

response.setHeader("Content-Disposition", getFileName(file, request));
response.setContentType("application/force-download");

表示只能下载 不能预览

完整的下载代码如下：

@ApiOperation("下载文件")
    @GetMapping(value = "/downLoad", name = "下载文件")
    public void downLoad(@RequestParam String fileUrl, HttpServletRequest request, HttpServletResponse response) {
        File file = fileService.selectFileByFileUrl(fileUrl);
        minioUtil.downResponse(file, request, response);
    }

@SneakyThrows
    public void downResponse(com.ruoyi.bridge.manager.domain.File file, HttpServletRequest request, HttpServletResponse response) {
        if (file == null || file.getFileUrl() == null) {
            return;
        }
        GetObjectResponse object = minioClient.getObject(GetObjectArgs.builder()
                .bucket(minioConfig.getBucketName())
                .object(file.getFileUrl())
                .build());

        StatObjectResponse objectInfo = minioClient.statObject(StatObjectArgs.builder()
                .bucket(minioConfig.getBucketName())
                .object(file.getFileUrl())
                .build());

//        response.setHeader("Content-Disposition", getFileName(file, request));
//        response.setContentType("application/force-download");

        // todo lcx contentType

//        String contentType = MediaTypeFactory.getMediaType(file.getFileUrl()).orElse(MediaType.APPLICATION_OCTET_STREAM).toString();
//        response.setContentType(contentType);

        response.setContentLengthLong(objectInfo.size());
        response.setContentType(objectInfo.contentType());

//        response.setCharacterEncoding("UTF-8");
        IOUtils.copy(object, response.getOutputStream());
    }