The mutual conversion between image and Base64string

  　　　　  PublicImage Base64toimage (stringbase64string) {            //Convert Base64 String to byte[]            byte[] Imagebytes =convert.frombase64string (base64string); MemoryStream Ms=NewMemoryStream (Imagebytes,0, imagebytes.length); //Convert byte[] to ImageMs. Write (Imagebytes,0, imagebytes.length); Image Image= Image.fromstream (MS,true); returnimage; }         Public stringCreateImgToBase64 (stringImagePath) {Bitmap BMP=(Bitmap) image.fromfile (ImagePath); MemoryStream Stream=NewMemoryStream (); Bmp.            Save (stream, SYSTEM.DRAWING.IMAGING.IMAGEFORMAT.BMP); Stream. Position=0; byte[] data =New byte[Stream.            Length]; Stream. Read (data,0, (int) stream.            Length); Stream.            Close (); stringBase64string =string.            Empty; Try{base64string= System.Convert.ToBase64String (data,0, data.            Length); }            Catch            {                Throw;            } StreamWriter OutFile; Try{outFile=NewStreamWriter (string. Concat (ImagePath,". txt"),false, ENCODING.ASCII);                Outfile.write (base64string);                Outfile.close (); returnbase64string; }            Catch            {                Throw; } BMP.        Dispose (); }         Public voidCreatebase64strtoimage (stringFilePath) {StreamReader Reader=NewStreamReader (FilePath); stringstr =Reader.            ReadToEnd (); byte[] BitmapData =New byte[Str.            Length]; BitmapData=convert.frombase64string (Fixbase64forimage (str)); MemoryStream Streambitmap=NewMemoryStream (BitmapData); Bitmap Bitimage=NewBitmap ((Bitmap) Image.fromstream (Streambitmap)); Bitimage.save (Filepath.substring (0, Filepath.length-4), System.Drawing.Imaging.ImageFormat.Jpeg);        Bitimage.dispose (); }        Static stringFixbase64forimage (stringimage) {StringBuilder Sbtext=NewStringBuilder (image, image.            Length); Sbtext.replace ("\ r \ n",string.            Empty); Sbtext.replace (" ",string.            Empty); returnsbtext.tostring (); }

The mutual conversion between image and Base64string