C#生成二维码

namespace Common.QRCode
{
    using System.Drawing;
    using QRCoder;

    /// 

    /// 二维码帮助类
    /// 
    public class QRCodeHelper
    {
        /// 

        /// 普通二维码
        /// 
        /// 存储内容
        /// 像素大小
        /// 图片
        public static Bitmap GetPTQRCode(string url, int pixel = 5)
        {
            QRCodeGenerator generator = new QRCodeGenerator();
            QRCodeData codeData = generator.CreateQrCode(url, QRCodeGenerator.ECCLevel.M, true);
            QRCoder.QRCode qrcode = new QRCoder.QRCode(codeData);
            Bitmap image = qrcode.GetGraphic(pixel, Color.Black, Color.White, true);
            return image;
        }
    }
}