C# 利用BarcodeLib.dll生成条形码（一维，zxing,QrCodeNet/dll二维码）

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首先效果：

1:首先下载BarcodeLib.dll 下载地址 http://pan.baidu.com/share/link?shareid=2590968386&uk=2148890391&fid=1692834292 如果不存在了则自行搜索下载。

1.BarcodeLib.dll 一维条码库支持以下条码格式

UPC-A

UPC-E

UPC 2 Digit Ext.

UPC 5 Digit Ext.

EAN-13

JAN-13

EAN-8

ITF-14

Codabar

PostNet

Bookland/ISBN

Code 11

Code 39

Code 39 Extended

Code 93

LOGMARS

MSI

Interleaved 2 of 5

Standard 2 of 5

Code 128

Code 128-A

Code 128-B

Code 128-C

Telepen

然后项目中添加引用

private void button6_Click(object sender, EventArgs e){System.Drawing.Image image;int width = 148, height = 55;string fileSavePath = AppDomain.CurrentDomain.BaseDirectory + "BarcodePattern.jpg";if (File.Exists(fileSavePath))File.Delete(fileSavePath);GetBarcode(height, width, BarcodeLib.TYPE.CODE128, "20131025-136", out image, fileSavePath);pictureBox1.Image  = Image.FromFile("BarcodePattern.jpg");}public static void GetBarcode(int height, int width, BarcodeLib.TYPE type, string code, out System.Drawing.Image image, string fileSaveUrl){try{image = null;BarcodeLib.Barcode b = new BarcodeLib.Barcode();b.BackColor = System.Drawing.Color.White;//图片背景颜色b.ForeColor = System.Drawing.Color.Black;//条码颜色b.IncludeLabel = true;b.Alignment = BarcodeLib.AlignmentPositions.LEFT;b.LabelPosition = BarcodeLib.LabelPositions.BOTTOMCENTER;b.ImageFormat = System.Drawing.Imaging.ImageFormat.Jpeg;//图片格式System.Drawing.Font font = new System.Drawing.Font("verdana", 10f);//字体设置b.LabelFont = font;b.Height = height;//图片高度设置(px单位)b.Width = width;//图片宽度设置(px单位)image = b.Encode(type, code);//生成图片image.Save(fileSaveUrl, System.Drawing.Imaging.ImageFormat.Jpeg); }catch (Exception ex){image = null;}}

简单的写一下。详细的去 http://www.barcodelib.com/net_barcode/main.html 这里看。

利用 zxing.dll生成条形码和二维码下载地址http://zxingnet.codeplex.com/

ZXing (ZebraCrossing)是一个开源的，支持多种格式的条形码图像处理库，。使用该类库可以方便地实现二维码图像的生成和解析。

下载zxing.dll 项目参照引用

{                MultiFormatWriter mutiWriter = new com.google.zxing.MultiFormatWriter();                ByteMatrix bm = mutiWriter.encode(txtMsg.Text, com.google.zxing.BarcodeFormat.QR_CODE, 300, 300);                Bitmap img = bm.ToBitmap();                pictureBox1.Image = img;                //自动保存图片到当前目录                string filename = System.Environment.CurrentDirectory + "\\QR" + DateTime.Now.Ticks.ToString() + ".jpg";                img.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg);                lbshow.Text = "图片已保存到：" + filename;            }            catch (Exception ee)            { MessageBox.Show(ee.Message); }

利用 QrCodeNet.dll生成条形码和二维码下载地址http://qrcodenet.codeplex.com/

下载QrCodeNet.dll 项目参照引用

  private void button2_Click(object sender, EventArgs e)        {            var codeParams = CodeDescriptor.Init(ErrorCorrectionLevel.H, textBox1.Text.Trim(), QuietZoneModules.Two, 5);            codeParams.TryEncode();            // Render the QR code as an image            using (var ms = new MemoryStream())            {                codeParams.Render(ms);                Image image = Image.FromStream(ms);                pictureBox1.Image = image;                if (image != null)                    pictureBox1.SizeMode = image.Height > pictureBox1.Height ? PictureBoxSizeMode.Zoom : PictureBoxSizeMode.Normal;            }        } /// <summary>    /// Class containing the description of the QR code and wrapping encoding and rendering.    /// </summary>    internal class CodeDescriptor    {        public ErrorCorrectionLevel Ecl;        public string Content;        public QuietZoneModules QuietZones;        public int ModuleSize;        public BitMatrix Matrix;        public string ContentType;        /// <summary>        /// Parse QueryString that define the QR code properties        /// </summary>        /// <param name="request">HttpRequest containing HTTP GET data</param>        /// <returns>A QR code descriptor object</returns>        public static CodeDescriptor Init(ErrorCorrectionLevel level, string content, QuietZoneModules qzModules, int moduleSize)        {            var cp = new CodeDescriptor();            //// Error correction level            cp.Ecl = level;            //// Code content to encode            cp.Content = content;            //// Size of the quiet zone            cp.QuietZones = qzModules;            //// Module size            cp.ModuleSize = moduleSize;            return cp;        }        /// <summary>        /// Encode the content with desired parameters and save the generated Matrix        /// </summary>        /// <returns>True if the encoding succeeded, false if the content is empty or too large to fit in a QR code</returns>        public bool TryEncode()        {            var encoder = new QrEncoder(Ecl);            QrCode qr;            if (!encoder.TryEncode(Content, out qr))                return false;            Matrix = qr.Matrix;            return true;        }        /// <summary>        /// Render the Matrix as a PNG image        /// </summary>        /// <param name="ms">MemoryStream to store the image bytes into</param>        internal void Render(MemoryStream ms)        {            var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));            render.WriteToStream(Matrix, System.Drawing.Imaging.ImageFormat.Png, ms);            ContentType = "image/png";        }    }

效果：

参考地址：

http://www.cnblogs.com/mzlee/archive/2011/03/19/Lee_Barcode.html

http://blog.163.com/smxp_2006/blog/static/588682542010215163803/

http://q.cnblogs.com/q/15253/

http://www.csharpwin.com/csharpspace/13364r9803.shtml

http://www.2cto.com/kf/201304/203035.html

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