1 public static ImageCodecInfo GetEncoderInfo(String mimeType) 2  3  { 4 int j; 5  ImageCodecInfo[] encoders; 6 encoders = ImageCodecInfo.GetImageEncoders(); 7 for (j = 0; j < encoders.Length; ++j) 8  { 9 if (encoders[j].MimeType == mimeType)10 return encoders[j];11  }12 return null;13  }14 public static void savePath(Bitmap bmp, string str)//保存路径15  {16  ImageCodecInfo myImageCodecInfo;17  System.Drawing.Imaging.Encoder myEncoder;18  EncoderParameter myEncoderParameter;19  EncoderParameters myEncoderParameters;20 21 myImageCodecInfo = GetEncoderInfo("image/jpeg");22 myEncoder = System.Drawing.Imaging.Encoder.Quality;23 myEncoderParameters = new EncoderParameters(1);24 myEncoderParameter = new EncoderParameter(myEncoder, 80L);25 myEncoderParameters.Param[0] = myEncoderParameter;26  bmp.Save(str, myImageCodecInfo, myEncoderParameters); 27 }