csharp 二维码支持库 zXing4.0版本
BarcodeWriter writer = new BarcodeWriter();
writer.Format = BarcodeFormat.QR_CODE;
writer.Options.Hints.Add(EncodeHintType.CHARACTER_SET, "UTF-8");//编码问题
writer.Options.Hints.Add(EncodeHintType.ERROR_CORRECTION, ZXing.QrCode.Internal.ErrorCorrectionLevel.H);
const int codeSizeInPixels = 240; //设置图片长宽
writer.Options.Height = writer.Options.Width = codeSizeInPixels;
writer.Options.Margin = 1;//设置边框
ZXing.Common.BitMatrix bm = writer.Encode("www.bejson.com");
Bitmap img = writer.Write(bm);
pictureBox2.Image = img;
