【技能库】--Spring （Spring boot）MVC 移动端+PC端 上传图片（182）

2019-04-15 15:54发布

站内文章 / PIC单片机
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@Controller @RequestMapping("pic") public class ImageUploadController { private static final Logger logger = LoggerFactory.getLogger(ImageUploadController.class); private static Pattern pattern = Pattern.compile("^(gif)|(jpg)|(jpeg)|(png)|(bmp)|(tif)|(tiff)$"); private static Map contentType; static { contentType = Maps.newConcurrentMap(); contentType.put("image/tiff", ".tif"); contentType.put("image/fax", ".fax"); contentType.put("image/gif", ".gif"); contentType.put("image/x-icon", ".ico"); contentType.put("image/jpeg", ".jpg"); contentType.put("image/pnetvue", ".net"); contentType.put("image/png", ".png"); contentType.put("image/vnd.rn-realpix", ".rp"); } @Resource private UploadService uploadService; @RequestMapping(value = "/uploadImg") @ResponseBody public String uploadImg(@RequestParam(value = "pic", required = true) MultipartFile file) { final long start = System.currentTimeMillis(); try { if (file == null || file.isEmpty()) { throw new RuntimeException("图片为空"); } String fileName = file.getOriginalFilename(); String extension = Files.getFileExtension(fileName); Matcher matcher = pattern.matcher(extension.toLowerCase()); boolean match = matcher.matches(); if (!match && !contentType.containsKey(file.getContentType())) { throw new RuntimeException("图片后缀或者类型不合法"); } if (!match) { fileName = fileName.concat(contentType.get(file.getContentType())); } if (file.getBytes().length / 1024 / 1024 > 10) { throw new RuntimeException("图片太大"); } File imageFile = new File(request.getServletContext().getRealPath("/") + "/" + fileName); FileUtils.writeByteArrayToFile(imageFile, file.getBytes()); String url = uploadService.uploadFile(imageFile, fileName); return url; } catch (Exception e) { logger.error("uploadImg error ", e); return ""; } } }

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