.net服务端生成二维码

#region 生成二维码 ???????public ActionResult getQrCode() ???????{ ???????????using (var ms = new MemoryStream()) ???????????{ ???????????????string stringtest = "这里是二维码内容"; ???????????????GetQRCode1(stringtest, ms); ???????????????Response.ContentType = "image/Png"; ???????????????Response.OutputStream.Write(ms.GetBuffer(), 0, (int)ms.Length); ???????????????Response.End(); ???????????} ???????????return View(); ???????} ???????public bool GetQRCode1(string strContent, MemoryStream ms) ???????{ ???????????ErrorCorrectionLevel Ecl = ErrorCorrectionLevel.M; //误差校正水平 ????????????string Content = strContent;//待编码内容 ???????????QuietZoneModules QuietZones = QuietZoneModules.Two; ?//空白区域 ????????????int ModuleSize = 12;//大小 ???????????var encoder = new QrEncoder(Ecl); ???????????QrCode qr; ???????????if (encoder.TryEncode(Content, out qr))//对内容进行编码，并保存生成的矩阵 ???????????{ ???????????????var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones)); ???????????????render.WriteToStream(qr.Matrix, ImageFormat.Png, ms); ???????????} ???????????else ???????????{ ???????????????return false; ???????????} ???????????return true; ???????} ???????#endregion