. NET MVC Backend accepts base64 upload images

1         #regionMultiple image uploads with front end2         #regionUpload Image method3         /// <summary>4         ///interface Method5         /// </summary>6         /// <param name= "img" >pictures of base64 with Data:image/jpeg;base64,</param>7         /// <returns>Picture Path</returns>8 [HttpPost]9          Publicactionresult GETaddimg2 (String img)Ten         { One             if(img = =NULL) A             { -                 returnJson ("Empty"); -             } the             Else -             { -                 returnJson (Pduploadimage (IMG), jsonrequestbehavior.allowget); -             } +         } -         #endregion +         #regionImage conversion A         /// <summary> at         ///string of base64 -         /// </summary> -         /// <param name= "img" ></param> -         /// <returns>the picture turns into a 32 name</returns> -          PublicJsonresult Pduploadimage (stringimg) -         { in             stringError =""; -             returnJson (SaveImage ("/upload/article"Imgreferror), jsonrequestbehavior.allowget); to         } +         #endregion -         #regionIntercept data:image/jpeg;base64, extract pictures, and save pictures the         /// <summary> *         ///intercept data:image/jpeg;base64, extract pictures, and save pictures $         /// </summary>Panax Notoginseng         /// <param name= "file_name" ></param> -         /// <param name= "img_string" >string of base64</param> the         /// <param name= "error" >wrong picture format</param> +         /// <returns>path + name of the picture</returns> A         Private stringSaveImage (stringfile_name,stringImg_string,ref stringerror) the         { +             //Try -             //{ $             string[] Img_array = img_string. Split (','); $             byte[] arr = convert.frombase64string (img_array[1]); -             using(MemoryStream ms =NewMemoryStream (arr)) -             { theBitmap BMP =NewBitmap (MS); -                 if(img_array[0]. ToLower () = ="data:image/jpeg;base64")Wuyi                 { theBmp. Save (file_name +". jpg"); -                     returnSetimg (Guid.NewGuid (). ToString (). Replace ('-','P'). Substring (4),"jpg", arr); Wu                 } -                 Else if(img_array[0]. ToLower () = ="data:image/png;base64") About                 { $Bmp. Save (file_name +". PNG"); -                     returnSetimg (Guid.NewGuid (). ToString (). Replace ('-','P'). Substring (4),"PNG", arr); -                 } -                 Else if(img_array[0]. ToLower () = ="data:image/gif;base64") A                 { +Bmp. Save (file_name +". gif"); the                     returnSetimg (Guid.NewGuid (). ToString (). Replace ('-','P'). Substring (4),"gif", arr); -                 } $                 Else the                 { theError ="the file format is not supported. "; the                     return "wrong"; the                 } -             } in             //} the             //catch (Exception ex) the             //{ About             //error = "A picture has been generated incorrectly. "+ Ex. ToString (); the             //return "wrong"; the             //} the         } +         #endregion -         #regionSave picture Path and set name the         /// <summary>Bayi         ///Save to file path the         /// </summary> the         /// <param name= "Imgname" >saved file name</param> -         /// <param name= "suffix" >suffix name</param> -         /// <param name= "arr" >Base64</param> the         /// <returns>the path to the picture</returns> the          Public stringSetimg (stringImgname,stringSuffixbyte[] arr) the         { the             stringSTR3 = System.AppDomain.CurrentDomain.BaseDirectory;//Find relative path -             stringSTR4 = System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase;//Find relative path theSystem.IO.File.WriteAllBytes (STR3 +"/upload/article/"+ Imgname +"."+ suffix +"", arr); the             return "/upload/article/"+ Imgname +"."+ suffix +""; the         }94         #endregion the         #endregion

. NET MVC Backend accepts base64 upload images