C#原图保存

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bitPhoto.Save(Response.OutputStream, ImageFormat.Jpeg)； 图像保存的问题，默认的质量是60%               EncoderParameter p;             EncoderParameters ps;               ps = new EncoderParameters(1);               p = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L);             ps.Param[0] = p;               ImageCodecInfo ii = GetCodecInfo("image/jpeg");             bitPhoto.Save(Response.OutputStream,ii,ps);           private ImageCodecInfo GetCodecInfo(string mimeType)         {             ImageCodecInfo[] CodecInfo = ImageCodecInfo.GetImageEncoders();             foreach (ImageCodecInfo ici in CodecInfo)             {                 if (ici.MimeType == mimeType) return ici;             }             return null;         }