class Program

    {

        static void Main(string[] args)

        {

            QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);

            QrCode qrCode = new QrCode();

            qrEncoder.TryEncode("菡，现在想起你，真的是太突然了，你跳个舞给我看嘛，能不能不要这么诱人啊，我已经逻辑混乱了", out qrCode);

            int ModuleSize = ; //大小

            QuietZoneModules QuietZones = QuietZoneModules.Two;  //空白区域

            var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));

            using (System.IO.Stream stream = File.OpenWrite(@"E:\RuPeng_Project\DiDao\DIDAO.Front\News\11\8.png"))

            {

                render.WriteToStream(qrCode.Matrix,System.Drawing.Imaging.ImageFormat.Png, stream);

            }

        }

    }

Program.cs

        /// <summary>

        /// 对于每一篇文章url，生成一个二维码

        /// </summary>

        /// <param name="ViewStaticDirecPre">二维码所在目录前缀</param>

        /// <param name="categoryId">文章的类别id</param>

        /// <param name="id">文章id</param>

        public static void CreateQrCode(string ViewStaticDirecPre, long categoryId, long id)

        {

            string newsUrl = "http://localhost:19826/News/" + categoryId + "/" + id + ".shtml"; //文章地址路径url

            string qrCodePath = Path.Combine(ViewStaticDirecPre, categoryId + "\\" + id + ".png"); //生成的二维码路径

            string qrPath = Path.GetDirectoryName(qrCodePath);

            if (!Directory.Exists(qrPath))

            {

                Directory.CreateDirectory(qrPath);

            }

            QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);

            QrCode qrCode = new QrCode();

            qrEncoder.TryEncode(newsUrl, out qrCode);

            int ModuleSize = ; //大小

            QuietZoneModules QuietZones = QuietZoneModules.Two;  //空白区域

            var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));

            using (System.IO.Stream stream = File.OpenWrite(qrCodePath))

            {

                render.WriteToStream(qrCode.Matrix, System.Drawing.Imaging.ImageFormat.Png, stream);

            }

        }

    分享一下：jq生成二维码，不用再生成一堆png了。

    <script src="/js/jquery.qrcode-0.11.0.min.js"></script>

    <script type="text/javascript">

        $(function () {

        $("#qrcode").qrcode({

            //render: "table", //table方式

            width: , //宽度

            height: , //高度

            text: "http://localhost:6158/News/@(Model.CategoryId)/@(Model.Id).shtml" //任意内容

        });

        })

    </script>