使用gitlab作为图床

@ResponseBody
@RequestMapping(value = "/img-upload", method = RequestMethod.POST)
private Map<String, Object> imgUpload(@RequestParam("files") MultipartFile[] files, HttpServletRequest request)
        throws Exception {

    // 获得物理路径webapp所在路径
    String pathRoot = request.getSession().getServletContext().getRealPath("");
    pathRoot = request.getSession().getServletContext().getRealPath("resources/upload/images/");

    File fileDir = new File(pathRoot);
    if (!fileDir.exists()) {
        // 递归生成文件夹
        fileDir.mkdirs();
    }
    String path = "";
    List<String> imgs = new ArrayList<>();
    if (files != null && files.length > 0) {

        for (int i = 0; i < files.length; i++) {
            MultipartFile file = files[i];

            // 生成uuid作为文件名称
            String uuid = UUID.randomUUID().toString().replaceAll("-", "");
            // 获得文件类型（可以判断如果不是图片，禁止上传）
            String contentType = file.getContentType();
            // 获得文件后缀名称
            String imageName = contentType.substring(contentType.indexOf("/") + 1);
            path = uuid + "." + imageName;

            // 上传到gitlab
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            headers.set("PRIVATE-TOKEN", "tvimWu7W6QhmuwHZ8cTe");
            JSONObject body = new JSONObject();
            body.put("branch", "master");
            body.put("author_email", "gech@yoozoo.com");
            body.put("author_name", "gech");
            body.put("encoding", "base64");
            body.put("content", Encodes.encodeBase64(file.getBytes()));
            body.put("commit_message", "upload image");

            HttpEntity<String> request1 = new HttpEntity<String>(body.toString(), headers);

            String responseString = restTemplate.postForObject(
                    "https://gitlab.uuzu.com/api/v4/projects/1766/repository/files/" + path, request1,
                    String.class);

            imgs.add("https://gitlab.uuzu.com/datacenter/images/raw/master/" + path);
        }

    }

    Map<String, Object> result = new HashMap<>();
    result.put("errno", 0);
    result.put("data", imgs);

    return result;
}