Configure this machine first iis The server , Search a lot of tutorials on the Internet

Control panel —— Procedures and functions —— Start or close winsows Program —— To configure Internet Information Services —— Select corresponding web Management tools and World Wide Web Services ——— Sure you can.

stay Windows You can see it in the management tool iis Open the software to configure .
Similar to this , Good configuration ip It can be used later ip Visit your folder directly to view pictures

java Background implementation

    /**
     *  Upload picture file 
     *
     * @return
     */
    @RequestMapping("/uploadMdFiles")
    @ResponseBody
    public Result getContent(HttpServletRequest request, @RequestParam(value = "file", required = false) MultipartFile file, String topicCode) {
        Map<String, Object> resultMap = new HashMap<>();
        if (topicCode != null && !"".equals(topicCode)) {
            // The CODE Used for storing corresponding pictures , The relationship between the article and the image needs to be stored in the actual project 
            System.out.println(" The theme CODE->" + topicCode);
        }
        try {
            //  Check whether there are uploaded files 
            boolean isMultipart = ServletFileUpload.isMultipartContent(request);
            if (isMultipart) {
                MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
                Map<String, MultipartFile> multipartFileMap = multipartRequest.getFileMap();
                for (Map.Entry<String, MultipartFile> entryFile : multipartFileMap.entrySet()) {
                    MultipartFile value = entryFile.getValue();
                    // Read the input stream 
                    InputStream is = value.getInputStream();
                    // Get the file name 
                    String fileName = value.getOriginalFilename();
                    // New file name , preservation 
                    String newImageName = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + UUID.randomUUID().toString() + fileName.substring(fileName.lastIndexOf("."), fileName.length());
                    // Statement byte Buffer array 
                    byte[] b = new byte[(int) value.getSize()];
                    is.read(b);
                    // Upload the file name name As returned key, The default is file
                    resultMap.put(entryFile.getKey(), newImageName);
                    // Return interface call status code 
                    resultMap.put("retCode", "success");
                    // Return to the image access path , This can be changed to OSS Distributed storage , Adjust according to the specific situation of the project 
                    resultMap.put("rootPath", "http://192.168.109.34:8081/" + newImageName);
                    // Upload to file server path , Here I directly upload to the project deployment compilation path , Need to adjust 
                    OutputStream os = new FileOutputStream(new File("H:\\IMAGEA", newImageName));
                    os.write(b);
                    os.flush();
                }
            }
        } catch (Exception e) {
        }
        return Result.ok(resultMap);
    }

Successful response cases ：

{
	"code": 200,
	"message": " success ",
	"data": {
		"file": "20220720103728b095e433-4a41-4491-b431-ea74c194dc11.jpg",
		"rootPath": "http://192.168.109.34:8081/20220720103728b095e433-4a41-4491-b431-ea74c194dc11.jpg",
		"retCode": "success"
	},
	"ok": true
}