[springboot中上传文件的服务接口] #springboot #上传

FileUploaderController.java

@ApiOperation("上传需求单附件")
    @PostMapping(value = "${order-trade.mgmt.requirement}/upload/{requirementUuid}",
            consumes = "multipart/*",
            headers = "content-type=multipart/form-data")
    public JsonResult upload(@PathVariable String requirementUuid,
                             @ApiParam(value = "上传文件", required = true) MultipartFile file,
                             @RequestHeader(Constant.HTTP_SECURITY_HEADER) String token){
        UserInfo userinfo = getUserInfo(token);
        String myUuid = userinfo.getUuid();

        log.debug("[上传文件]");
        try {
            String remoteStoreFileName = upyunUtils.getRemoteUploadDir() + StringUtils.stripFilenameExtension(file.getOriginalFilename())+"-"+System.currentTimeMillis() + "." + StringUtils.getFilenameExtension(file.getOriginalFilename());
            boolean storeToRemoteFolderResult = upyunUtils.upload(remoteStoreFileName, file.getBytes());

            if (storeToRemoteFolderResult) {
                log.debug("[上传文件] 成功存储到云盘，文件名: {}", remoteStoreFileName);
                CreateRequirementAttachmentDto dto = new CreateRequirementAttachmentDto();
                dto.setCreateBy(myUuid);
                dto.setRequirementUuid(requirementUuid);
                dto.setFilePath(remoteStoreFileName);
                requirement.createAttachment(dto);

                return JsonResult.newResult(JsonResult.Status.OK, "上传成功", upyunUtils.getUpyunHost() + remoteStoreFileName);
            } else {
                log.debug("[上传文件] 存储到云盘时失败");

                return JsonResult.newResult(JsonResult.Status.FAILED, "存储到云盘时失败", null);
            }
        }catch (IOException ioe){
            log.error("上传文件时遇到错误", ioe);
            return JsonResult.newResult(JsonResult.Status.FAILED,"上传文件时遇到错误", ioe.getMessage());
        }
    }

代码中的关键点：
1. @PostMapping(value = "${order-trade.mgmt.requirement}/upload/{requirementUuid}",
            consumes = "multipart/*",   //关键点1
            headers = "content-type=multipart/form-data")  //关键点2
2. @ApiParam(value = "上传文件", required = true) MultipartFile file   //只能上传一个文件，这是个限制