/*qrcode 使用方法 ???????1.引用【右击】->管理NuGet程序包->搜索‘yecuncun’ ->安装 ???????2.引入下列命名空间
using ThoughtWorks.QRCode.Codec;
???????*/
使用代码
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(); ???????????qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE; ???????????qrCodeEncoder.QRCodeScale = 4; ???????????qrCodeEncoder.QRCodeVersion = 1; ???????????qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M; ???????????System.Drawing.Image image = qrCodeEncoder.Encode(str); ???????????image.Save(@"D:\a.png"); ???????????this.pictureBox1.Image = image;
.net2.0 生成二维码
原文地址：https://www.cnblogs.com/xindejiyi/p/10294891.html