Files uploaded to the file server and returns the URL path

Files (pictures, excel tables, etc.) files uploaded to the server save, then get a save path, you can download the file (download path can be achieved according to the front) according to this path.

Specific code as follows:

　　@PostMapping ( "/ Upload" )
     public void uploadPhoto (@RequestParam ( "the uploadFile") a MultipartFile the uploadFile, @RequestParam ( "aiIdCard" ) String aiIdCard, the HttpServletRequest Request) {
         // path defined upload stored 
        String path = request.getSession . () .getServletContext () getRealPath ( "/ uploadFile /" ); 
        System.out.println (path); 
        // definition file in the file upload path folder name 
        file folder = new new file (path + aiIdCard);
         // detecting whether the folder is a folder that is not created 
        iF (! folder.isDirectory ()) { 
            folder.mkdirs (); 
        } 
        // get the original name of the file
        OldName = String uploadFile.getOriginalFilename ();
         // get the file of oldName.substring ( "." OldName.lastIndexOf () ) suffix
         // generate a new file name (below according to their own needs to decide whether to use)
         // String = newName oldName.substring (oldName.lastIndexOf () "."); 
   // file save operation 
        uploadFile.transferTo ( new new file (Folder, oldName));  
         // returns save the url, you can view or download files according to url 
        String filePath = request.getScheme () + ": //" + to request.getServerName () + ":" + to request.getServerPort () + "/ the uploadFile /" + + aiIdCard in oldName; 
　　　　}