.NET C#利用ZXing生成、识别二维码/条形码

QrCodeEncodingOptions options = new QrCodeEncodingOptions();options.CharacterSet = "UTF-8";options.DisableECI = true; // Extended Channel Interpretation (ECI) 主要用于特殊的字符集。并不是所有的扫描器都支持这种编码。options.ErrorCorrection = ZXing.QrCode.Internal.ErrorCorrectionLevel.H; // 纠错级别options.Width = 300;options.Height = 300;options.Margin = 1;// options.Hints，更多属性，也可以在这里添加。BarcodeWriter writer = new BarcodeWriter();writer.Format = BarcodeFormat.QR_CODE;writer.Options = options;Response.Clear();using (Bitmap bmp = writer.Write("http://www.cftea.com")) // Write 具备生成、写入两个功能{ MemoryStream ms = new MemoryStream(); {  bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);  Response.ContentType = "image/png";  Response.BinaryWrite(ms.ToArray()); }}Response.End();

QrCodeEncodingOptions options = new QrCodeEncodingOptions();options.CharacterSet = "UTF-8";options.Width = 300;options.Height = 50;options.Margin = 1;options.PureBarcode = false; // 是否是纯码，如果为 false，则会在图片下方显示数字BarcodeWriter writer = new BarcodeWriter();writer.Format = BarcodeFormat.CODE_128;writer.Options = options;Response.Clear();using (Bitmap bmp = writer.Write("12345678")){ MemoryStream ms = new MemoryStream(); {  bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);  Response.ContentType = "image/png";  Response.BinaryWrite(ms.ToArray()); }}Response.End();

BarcodeReader reader = new BarcodeReader();reader.Options.CharacterSet = "UTF-8";using (Bitmap bmp = new Bitmap("D://qr.png")){ Result result = reader.Decode(bmp); Response.Write(result.Text);}