1.页面端

2.控制器

@RequestMapping(value="upload",method=RequestMethod.POST)    public String upload(DefaultMultipartHttpServletRequest multipartRequest,@RequestParam int memNo, @RequestParam int flag,@RequestParam int authSt, HttpServletResponse response){        if (multipartRequest != null) {              memberService.uploadMemPic(multipartRequest,memNo, flag,authSt);        }          //uploadService.json_encode(response, list);          //return "redirect:/pic/upload/"+carNo;        return "redirect:/mem/detail/"+memNo;    }

3.Service层方法

/**     *      * @param multipartRequest     * @param memNo     * @param picKey     * @param flag 1：：本人照片，3：身份证正面照，4:身份证背面，5：驾照照片     * @param authSt 0：未上传     */    public void uploadMemPic(DefaultMultipartHttpServletRequest multipartRequest, int memNo, int flag, int authSt) {        Map
     
       map = new HashMap
      
       ();        map.put("memNo", memNo);        map.put("flag", flag);                Map
       
         memPath = memberMapper.getMemBasePath(map);        String basePath = (String)memPath.get("basePath");        String oldPicKey = (String)memPath.get("picKey");        if(authSt != 0 && StringUtils.hasText(oldPicKey)){            OSSUtils.deleteOSSObjectAuth(oldPicKey);//删除之前的图片        }                MultipartFile multifile = multipartRequest.getFile("authFile");        String picName = multifile.getOriginalFilename();        String extName = picName.substring(picName.lastIndexOf("."));        String newPicName = FILE_NAME_MAPING.get(flag) + extName;                String picKey = "mem/" + basePath + newPicName;        map.put("picKey", picKey);        memberMapper.updateAuth(map);//更新数据库表        try {            //            OSSUtils.uploadInputStreamAuth(picKey, multifile);            //压缩身份证和驾照图片， 140918             InputStream input = null;            input = multifile.getInputStream();            //Image image = ImageIO.read(input);            BufferedImage  bufImg = ImageIO.read(input);//把图片读入到内存中
       
      
     

　　　　　　　　//压缩代码

　　　　　　　　bufImg = Thumbnails.of(bufImg).size(bufImg.getWidth(), bufImg.getHeight()).outputQuality(0.9).asBufferedImage();

OSSUtils.uploadInputStreamAuth(picKey, bufImg);                    } catch (Exception e) {            logger.error("",e);        }    }

4.OSSUtils工具类

public static boolean uploadInputStreamAuth(String key, BufferedImage image) throws Exception{        boolean errorCode = false;        ObjectMetadata objectMeta = new ObjectMetadata();        objectMeta.setContentType("image/*");//在metadata中标记文件类型        //        InputStream input = multifile.getInputStream();//        InputStream inputTmp = multifile.getInputStream();                //--------------------        //转成inputStream        ByteArrayOutputStream bos = new ByteArrayOutputStream();//存储图片文件byte数组        ImageOutputStream ios = ImageIO.createImageOutputStream(bos);         ImageIO.write(image, "jpg", ios); //图片写入到 ImageOutputStream                InputStream input = new ByteArrayInputStream(bos.toByteArray());        InputStream inputTmp = new ByteArrayInputStream(bos.toByteArray());        //--------------------                try {            objectMeta.setContentLength(input.available());            //校验文件MD5值            PutObjectResult    res = client.putObject(BUCKET_AUTH, key, input, objectMeta);            String checkMD5 = res.getETag();            String verifyCode = getFileInputStreamMD5(inputTmp);            if(verifyCode.equalsIgnoreCase(checkMD5) == true){                logger.info("文件上传成功：{}",key);                errorCode = true;            }else{                logger.error("文件上传失败：{}",key);            }        } catch (Exception e) {            logger.error("",e);        }finally{            if(inputTmp != null){                inputTmp.close();            }        }        return errorCode;    }