二维码生成实例

namespace Sx.Office
{
   public class QRCode
    {
       /// <summary>
       /// 生成二维码
       /// </summary>
       /// <param name="message">二维码所要写入的信息</param>
       /// <param name="path">二维码图片的存储路径</param>
       public void Create(string message,string path)
       {
           Bitmap bt;
           string enCodeString = message;
           QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
           bt = qrCodeEncoder.Encode(enCodeString, Encoding.UTF8);
           bt.Save(path);
       }
       /// <summary>
       /// 获取二维码的信息
       /// </summary>
       /// <param name="path">二维码图片的存储路径</param>
       /// <returns>二维码信息</returns>
       public string DecodeMessage(string path)
       {
           QRCodeDecoder decoder = new QRCodeDecoder();
           Bitmap bm = new Bitmap(path);
           return decoder.decode(new QRCodeBitmapImage(bm), Encoding.UTF8);
          
       
       }
    }
 
}