添加图片

//添加图片
protected void add(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    FileItemFactory f = new DiskFileItemFactory();
    ServletFileUpload su = new ServletFileUpload(f);
    try{
        List<FileItem> items = su.parseRequest(req);
        Iterator<FileItem> car = items.iterator();
        while(car.hasNext()){
            FileItem item = car.next();
            if(!item.isFormField()){
                String fileName = item.getName();
                ServletContext application = this.getServletContext();
                String fExt = FilenameUtils.getExtension(fileName);
                String path = application.getRealPath("/files");
                String newName = UUID.randomUUID().toString().replace("-","")
                        +"."+fExt;
                File file = new File(path,newName);
                item.write(file);
                Bokepic bokepic = new Bokepic();
                bokepic.setSavepath("/files/"+newName);
                bokepic.setRealpath(fileName);
                bokepic.setCover(0);
                BookService bs = new BookServiceImp1();
                bs.addpic(bokepic);
                String newPicId = bokepic.getId();
                ETResponse response = new ETResponse();
                response.setData(newPicId);
                response.setMsg(ETEnums.SUCCESS.getMsg());
                response.setCode(ETEnums.SUCCESS.getCode());
                ETJSONUtils.writeObject(resp,response);
            }
        }
    }catch(Exception e){
        e.printStackTrace();
    }
}

 

@PostMapping("/upload")
public Result<String> upload(MultipartFile file) throws Exception{
    //获得源文件名称和后缀
    String originalFilename = file.getOriginalFilename();
    String suffix = FilenameUtils.getExtension(originalFilename);
    //创建新的文件名称
    String uuid = UUID.randomUUID().toString().replaceAll("-","");
    String filename = String.format("%s%s%s",//占位符(占了三个参数),拼接三个参数
            uuid,".",suffix);
    //创建目标文件夹
    File destDirectory = new File(destDir);
    if(!destDirectory.exists()){
        destDirectory.mkdirs();
    }
    //创建目标文件.并上传
    File destFile = new File(destDirectory,filename);
    file.transferTo(destFile);
    String pic = "/pic/" + filename;//是为了之后拿图片的时候有个路径
    log.info("pic path-{}" , pic);
    return Result.success(pic);
}