上传文件
@PostMapping("addAttach")
public Mono<JsonResult> addAttach(@RequestPart("file") FilePart filePart,//获取文件参数@RequestPart("dataId") String dataId,//获取其他参数
){String strFileName = filePart.filename();//获取文件名File file = new File(strNewFilePath);filePart.transferTo(file);//转储文件JsonResult result=……return Mono.just(result);
}注意：获取文件用RequestPart，接收参数类型为FilePart，同方式的其他参数也需要用RequestPart获取。
下载文件
@GetMapping("downloadFile")public Mono<Void> downloadFile(Long fileId, ServerHttpResponse response){FFile fFile= fileService.getFile(fileId);if(fFile==null) {return ServerHttpResponseUtil.writeHtml(response,"<html><head><meta charset=\"utf-8\"/></head><body>文件不存在！</body></html>");}else {String strFilePath = fileConfig.getStoreBasePath() + fFile.getStorePath();File file = new File(strFilePath);ZeroCopyHttpOutputMessage zeroCopyResponse = (ZeroCopyHttpOutputMessage) response;try {response.getHeaders().set(HttpHeaders.CONTENT_DISPOSITION,"attachment; filename=" + new String(fFile.getFileName().getBytes("UTF-8"), "iso-8859-1"));//输出文件名乱码问题处理} catch (UnsupportedEncodingException e) {e.printStackTrace();}response.getHeaders().setContentType(MediaType.APPLICATION_OCTET_STREAM);return zeroCopyResponse.writeWith(file, 0, file.length());}}ServerHttpResponseUtil.writeHtml方法参见webflux databuffer输出_草宝虫的博客-CSDN博客_flux<databuffer>读取数据
