ZXing生成二维码

dll：http://files.cnblogs.com/files/jake-ge/ZXing.rar

引入命名空间

using System.Drawing;
using System.IO;
using ZXing;
using ZXing.Common;

public byte[] GenBarCode(string Contents)
{
EncodingOptions options = new EncodingOptions();
BarcodeWriter writer = null;
options.Width = 50;
options.Height = 50;
writer = new BarcodeWriter();
writer.Format = BarcodeFormat.QR_CODE;
writer.Options = options;

Bitmap bitmap = writer.Write(Contents);
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
byte[] bytes = ms.GetBuffer();
ms.Close();
return bytes;
}