<!-⽂ ⽂ Upload JAR coordinates->
<dependency>
 <groupId>commons-fileupload</groupId>
 <artifactId>commons-fileupload</artifactId>
 <version>1.3.1</version>
</dependency>

two. Configuration piece upload parser

<!-Configure   <uploaded parser, ID is a fixed MultipartResolver->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
   <!-Set up upload  , unit bytes->
 <property name="maxUploadSize" value="1000000000"/>
</bean>

three.front endForm

<%--
 1 method="post"
 2 enctype="multipart/form-data"
 3 type="file"
--%> <form method="post" enctype="multipart/form-data" action="/demo/upload">
 <input type="file" name="uploadFile"/>
   <input type = "submit" value = "upload"/>
</form>

Four. Background receivingHandler

 /**
           * File Upload 
     * @return
     */
    @RequestMapping(value = "/upload")
    public ModelAndView upload(MultipartFile uploadFile,HttpSession session) throws IOException {

                 // Process upload files
                 // Renamed, formerly known as 123.jpg, get the suffix
                 String OriginalFilename = UploadFile.getOriginalFilename (); // The original name
                 // Extended name jpg
        String ext = originalFilename.substring(originalFilename.lastIndexOf(".") + 1, originalFilename.length());
        String newName = UUID.randomUUID().toString() + "." + ext;

                 // Storage, to store to the specified folder,/uploads/yyyy-mm-dd, consider the situation of too many files according to the date, generate a subfolder folder
                 // Get the real disk path of "/Uploads" and store in the RealPath string variable
        String realPath = session.getServletContext().getRealPath("/uploads");
                 // Get the current system time and generate in the format of "yyyy-mm-dd", and store in the Datepath string variable
        String datePath = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        File folder = new File(realPath + "/" + datePath);

        if(!folder.exists()) {
            folder.mkdirs();
        }


                 // Storage file to the directory
        uploadFile.transferTo(new File(folder,newName));


                 // Todo File Disk Disk to update to the database field

        Date date = new Date();
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.addObject("date",date);
        modelAndView.setViewName("success");
        return modelAndView;
    }