QRcode生成二维码，保存二维码图片到服务器

using System;

using System.Web;

using System.Drawing;

using System.Drawing.Imaging;

using System.Text;

using System.Text.RegularExpressions;

using ThoughtWorks.QRCode.Codec;

using ThoughtWorks.QRCode.Codec.Data;

using ThoughtWorks.QRCode.Codec.Util;

using ThoughtWorks;

using ThoughtWorks.QRCode;

using DataAccess;

using System.Data;

using System.IO;

namespace QFMobileService

{//测试http://192.168.1.102:8001/GetQR.aspx?RowGuid=696d5504-2296-4ac4-8aa8-f111f39aaw22

public partial class GetQR : System.Web.UI.Page

{

string rowguid = "";

C_Product_QRInfo cpqr = new C_Product_QRInfo();

protected void Page_Load(object sender, EventArgs e)

{

rowguid = Request["RowGuid"] != null ? Request["RowGuid"].ToString() : "" ;

if (!string.IsNullOrEmpty(rowguid))

{

cpqr.GetModel(rowguid);

create_two(rowguid);

initQRInfo();

}

}

private void create_two(string nr)

{

Bitmap bt;

string enCodeString = nr;

QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();

bt = qrCodeEncoder.Encode(enCodeString, Encoding.UTF8);

string filename = string.Format(DateTime.Now.ToString(), "yyyymmddhhmmss");

filename = filename.Replace(" ", "");

filename = filename.Replace(":", "");

filename = filename.Replace("-", "");

filename = filename.Replace(".", "");

filename += ".jpg";

//文件夹是否存在

string path = Server.MapPath("~/QRimage/");

if (!Directory.Exists(path))

Directory.CreateDirectory(path);

#region 测试代码

//bt.Save(HttpContext.Current.Server.MapPath("~/QRimage/") + filename + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);

string spath = path + filename;

Save(bt, 100, path+filename);

#endregion

//bt.Save(Server.MapPath("~/QRimage/") + filename + ".jpg");

this.Image1.ImageUrl = "~/QRimage/" + filename;

}

#region OA的上传图片

/// <summary>

/// 保存图片。

/// </summary>

/// <param name="image">要保存的图片</param>

/// <param name="quality">品质（1L~100L之间，数值越大品质越好）</param>

/// <param name="filename">保存路径</param>

public static void Save(Bitmap image, long quality, string filename)

{

using (EncoderParameters encoderParams = new EncoderParameters(1))

{

using (EncoderParameter parameter = (encoderParams.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality)))

{

ImageCodecInfo encoder = null;

//取得扩展名

string ext = Path.GetExtension(filename);

if (string.IsNullOrEmpty(ext))

ext = ".jpg";

//根据扩展名得到解码、编码器

foreach (ImageCodecInfo codecInfo in ImageCodecInfo.GetImageEncoders())

{

if (Regex.IsMatch(codecInfo.FilenameExtension, string.Format(@"(;|^)\*\{0}(;|$)", ext), RegexOptions.IgnoreCase))

{

encoder = codecInfo;

break;

}

}

Directory.CreateDirectory(Path.GetDirectoryName(filename));

image.Save(filename, encoder, encoderParams);

}

}

}

#endregion

void initQRInfo()

{

D_Product_QRInfo dpqr = new D_Product_QRInfo();

DataTable dt =dpqr.GetQRInfo(rowguid);

if (null == dt || dt.Rows.Count <= 0)

{

return;

}

else

{

td_OrderNumber.InnerText = dt.Rows[0]["OrderNumber"].ToString();

td_Batch.InnerText = dt.Rows[0]["Batch"].ToString();

td_Number.InnerText = dt.Rows[0]["Number"].ToString();

DateTime date;

if (null != dt.Rows[0]["CreateTime"] && DateTime.TryParse(dt.Rows[0]["CreateTime"].ToString(), out date))

{

td_DateTime.InnerText = date.ToShortDateString();

}

td_GoodsDanWei.InnerText = dt.Rows[0]["GoodsDanWei"].ToString();

td_GoodsGuiGe.InnerText = dt.Rows[0]["GoodsGuiGe"].ToString();

td_GoodsName.InnerText = dt.Rows[0]["GoodsName"].ToString();

}

}

}

}