springboot上传大文件(springboot实现文件上传)

@PostMapping("/upload")
    public String upload(@RequestParam("email") String email,
                         @RequestParam("username") String username,
                         @RequestPart("headerImage") MultipartFile headerImage,
                         @RequestPart("photos") MultipartFile[] photos) throws IOException {
        log.info(email);
        log.info(username);
        log.info(""+headerImage.getSize());
        log.info(""+photos.length);

        if (!headerImage.isEmpty()){
            String originalFilename = headerImage.getOriginalFilename();
            headerImage.transferTo(new File("E:\upload\"+originalFilename));
        }

        if (photos.length!=0){
            for (MultipartFile photo : photos) {
                if (!photo.isEmpty()){
                    String originalFilename = photo.getOriginalFilename();
                    photo.transferTo(new File("E:\upload\"+originalFilename));
                }
            }
        }
        return "main";
    }