程序代码：

using Spire.Barcode;
namespace ConsoleApplication13
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建一个BarcodeSettings对象
            BarcodeSettings settings = new BarcodeSettings();
            //设置条码类型为二维码
            settings.Type = BarCodeType.QRCode;
            //设置二维码数据和显示文本
            settings.Data = "123456789";
            settings.Data2D = "123456789";
            //设置数据类型为数字
            settings.QRCodeDataMode = QRCodeDataMode.Numeric;
            settings.QRCodeECL = QRCodeECL.H;
            settings.X = 2.0f;
            //初始化BarCodeGenerator对象
            BarCodeGenerator generator = new BarCodeGenerator(settings);
            //保存成图片
            Image image = generator.GenerateImage();
            image.Save("结果.png");
        }
    }
}

[此贴子已经被作者于2019-1-9 17:38编辑过]