. NET MVC Backend accepts base64 upload images

 1 #region multiple images with front end upload 2 #region Upload image Method 3//<summary> 4//interface method 5//&lt ;/summary> 6//<param name= "img" > Base64 pictures with data:image/jpeg;base64 </param> 7//<re             turns> Picture Path </returns> 8 [HttpPost] 9 public actionresult GETADDIMG2 (String img) 10 {11             if (img = = null) {return Json ("empty");}15 Else16         {18 Return Json (Pduploadimage (IMG), jsonrequestbehavior.allowget);}19}20 #endregion21 #region Picture Conversion//<summary>23//Base64 string//</summary&gt ;///<param Name= "img" ></param>26///<returns> picture converted to 32 name </returns>27 PU Blic jsonresult pduploadimage (string img), {string error = ""; return Json (saveimage ("/upload/article", IMG, Ref error), Jsonrequestbehavior.allowget}32 #endregion33 #region intercept data:image/jpeg;base64, extract         Pictures and save Pictures///&LT;SUMMARY&GT;35///intercept data:image/jpeg;base64, extract pictures, and save Pictures///</summary>37 <param name= "file_name" ></param>38//<param name= "img_string" >base64 string </param >39//<param name= "error" > Wrong picture format </param>40//<returns> path + picture name </returns> $ private String SaveImage (string file_name, String img_string, ref string error) (//try //{45 string[] Img_array = img_string. Split (', '); byte[] arr = convert.frombase64string (img_array[1]); using (MemoryStream ms = new MemoryStream (arr)), Bitmap bmp = new Bitmap (ms), if (img_array[0]. ToLower () = = "Data:image/jpeg;base64") {BMP. SAve (file_name + ". jpg"), Setimg return (Guid.NewGuid (). ToString (). Replace ('-', ' P '). Substring (4), "JPG", arr);}55 else if (img_array[0]. ToLower () = = "Data:image/png;base64"). Save (file_name + ". png"), Setimg return (Guid.NewGuid (). ToString (). Replace ('-', ' P '). Substring (4), "PNG", arr),}60 else if (img_array[0]. ToLower () = = "Data:image/gif;base64"). Save (file_name + ". gif"), and Setimg return (Guid.NewGuid (). ToString (). Replace ('-', ' P '). Substring (4), "GIF", arr);}65 else66 {error = "No This file format is supported. "}70}71//}72//catch (exceptio n ex)//{74//error = "There was a problem generating the picture. "+ Ex.       ToString (); 75      return "wrong";//}77}78 #endregion79 #region Save picture Path and Settings name://&LT ; summary>81///Save to File path </summary>83///<param Name= "Imgname" > Saved file name </pa ram>84//<param name= "suffix" > Suffix </param>85//<param name= "arr" >base64</param& gt;86///<returns> Picture path </returns>87 public string setimg (string imgname, string suffix, byte[ ] arr. {STR3 string = system.appdomain.currentdomain.basedirectory;//Find relative path STR4 = system.appdomain.currentdomain.setupinformation.applicationbase;//Find relative path System.IO.File.WriteAllBytes (Str3 + "/upload/article/" + imgname + "." + suffix + "", arr); return "/upload/article/" + imgname + "." + suffix + "";}94 #endregion95 #endregion

. NET MVC Backend accepts base64 upload images