开源的.net二维码识别库，从ZXing移植过来。 // create a barcode reader instance IBarcodeReader reader = new BarcodeReader(); // load a bitmap var barcodeBitmap = (Bitmap)Bitmap.LoadFrom("C:\\sample-barcode-image.png"); // detect and decode the barcode inside the bitmap var result = reader.Decode(barcodeBitmap); // do something with the result if (result != null) { txtDecoderType.Text = result.BarcodeFormat.ToString(); txtDecoderContent.Text = result.Text; }

ZXing.Net 由google开发的二维码生成库，非常好用！推荐一个