//我的會員中心  頭像上傳接口

 /*windows 調試*/

 @Value("${appImg.location}")

 private String winPathPic;

 /*linux 使用*/

 @Value("${img.location}")

 private String linuxPathPic;

 @PostMapping(value = "/file")

 public String file() {

     return "file";

 }

 @ApiOperation(value = "會員頭像文件上傳")

 @ApiImplicitParams({

 })

 @RequestMapping(value = "/appMbrImgUploadFile", method = RequestMethod.POST)

 @ResponseBody

 public Object appMbrImgUploadFile(@RequestParam(value = "file") MultipartFile file, HttpServletRequest request) {

     Subject currentUser = SecurityUtils.getSubject();

     ShiroUser shiroUser = null;

     Session session = currentUser.getSession();

     String mobile = session.getAttribute("username") == null ? "" : String.valueOf(session.getAttribute("username"));

     if (mobile.equals("")) {

         return setModelMap(new ModelMap(), HttpCode.EFFECT_OF_TOKEN.value(), "token已經失效，請登錄", null);

     }

     SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");

     //時間路徑

     String fileTime = sdf.format(new Date());

     // 文件名

     String fileName = file.getOriginalFilename();

     // 后綴名

     String suffixName = fileName.substring(fileName.lastIndexOf("."));

     //圖片格式校驗

     String reg = "(.png)$";

     Pattern pattern = Pattern.compile(reg);

     Matcher matcher = pattern.matcher(suffixName);

     boolean valiRst = matcher.find();

     if (!valiRst) {

         return setModelMap(new ModelMap(), HttpCode.PICTURE_FORMAT_CHECK_EXCEPTION.value(), "圖片格式異常", null);

     }

     if (file.isEmpty()) {

         System.out.println("文件為空");

         logger.error("文件流為空異常");

         return setModelMap(new ModelMap(), HttpCode.FILE_STREAM_EMPTY.value(), "文件流為空異常", null);

     }

     //判斷操作系統

     String os = System.getProperty("os.name");

     System.out.println(os);

     //定義路徑

     String picPathReal="";

     if(os!=null&&os.contains("Windows 7")){

         System.out.println("Windows 7");

         picPathReal=winPathPic;

     }else{

         //linux

         picPathReal=linuxPathPic;

     }

     // 新文件名

     fileName = UUID.randomUUID() + suffixName;

     // 文件目錄

     String diectFile=picPathReal+"/"+fileTime;

     File dest = new File(diectFile);

     dest.setWritable( true, false);

     if (!dest.exists()) {

         dest.mkdirs();

     }

     //創建文件 圖片

     File filePic = new File(diectFile+File.separator, fileName);

     try {

         file.transferTo(filePic);

     } catch (IOException e) {

         e.printStackTrace();

     }

     LSysMember sysMember = new LSysMember();

     LSysMemberVo userInfo = new LSysMemberVo();

     //返回指定圖片文件路徑   完整接口地址

     //保存地址處理

     String  savePath="/lSysMember/noLogin/readImageFile?url="+picPathReal+File.separator+fileTime+File.separator+fileName;

     //String filename = "/lSysMember/noLogin/readImageFile?url="+savePath+File.separator + fileTime + File.separator + fileName;

     //查詢會員基本信息

     sysMember = memberService.findLoginMemberInfo(mobile);

     //執行更新頭像更新操作

     sysMember.setAvatar(savePath);

     try {

         sysMember = memberService.appMbrImgUploadFile(sysMember);

         userInfo = memberService.findLoginMemberInfoByMobile(mobile);

     } catch (Exception e) {

         logger.error("請求異常----", e);

         throw new CallChainException();

     }

     //更新session

     session.setAttribute("shiroUser", userInfo);

     return setSuccessModelMap(savePath);

 }

 @ApiOperation(value = "返回指定地址的文件流")

 @ApiImplicitParams({

         @ApiImplicitParam(name = "url", value = "圖片地址", required = true,

                 paramType = "query", defaultValue = "\\20180912\\7cd2e1a3-a087-4e25-aac8-2bdf8e274c6f.png"),

 })

 @RequestMapping(value = "/noLogin/readImageFile",method =RequestMethod.GET)

 @ResponseBody

 public void getUrlFile(String url, HttpServletRequest request, HttpServletResponse response) {

     File file = new File(url);

     // 后綴名

     String suffixName = url.substring(url.lastIndexOf("."));

     //判斷文件是否存在如果不存在就返回默認圖標

     if (!(file.exists() && file.canRead())) {

         file = new File(request.getSession().getServletContext().getRealPath("/")

                 + "resource/icons/auth/root.png");

     }

     FileInputStream inputStream = null;

     try {

         inputStream = new FileInputStream(file);

         byte[] data = new byte[(int) file.length()];

         int length = inputStream.read(data);

         inputStream.close();

         //setContentType("text/plain; charset=utf-8"); 文本

         response.setContentType("image/png;charset=utf-8");

         OutputStream stream = response.getOutputStream();

         stream.write(data);

         stream.flush();

         stream.close();

     } catch (FileNotFoundException e) {

         e.printStackTrace();

     } catch (IOException e) {

         e.printStackTrace();

     }

 }