标签:domain type oid 大小 object 代码 odi system rate
首先在项目添加ZXing.Net。
工具-->Nuget包管理器-->Nuget程序包 在所搜栏输入 ZXing.Net 如下图:
添加完成后会看见:
效果图:
所有代码:
/// <summary> /// 条形码 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void button1_Click(object sender, EventArgs e) { System.Drawing.Image image; int width = 117, height = 55; string fileSavePath = AppDomain.CurrentDomain.BaseDirectory + "TXM.jpg"; if (File.Exists(fileSavePath)) File.Delete(fileSavePath); GetBarcode(height, width, BarcodeLib.TYPE.CODE128, DateTime.Now.ToString("yyyyMMddHHMMss"), out image, fileSavePath); pictureBox1.Image = Image.FromFile("TXM.jpg"); } /// <summary> /// 条形码 /// </summary> /// <param name="height"></param> /// <param name="width"></param> /// <param name="type"></param> /// <param name="code"></param> /// <param name="image"></param> /// <param name="fileSaveUrl"></param> 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;//code的显示位置 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); image.Dispose(); } catch (Exception ex) { image = null; } } /// <summary> /// 二维码 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void button2_Click(object sender, EventArgs e) { //生成二维码 // Generate1("这是二维码"); //生成带logo的二维码 Generate3("这是二维码"); } /// <summary> /// 生成二维码,保存成图片 /// </summary> static void Generate1(string text) { BarcodeWriter writer = new BarcodeWriter(); writer.Format = BarcodeFormat.QR_CODE; QrCodeEncodingOptions options = new QrCodeEncodingOptions(); options.DisableECI = true; //设置内容编码 options.CharacterSet = "UTF-8"; //设置二维码的宽度和高度 options.Width = 500; options.Height = 500; //设置二维码的边距,单位不是固定像素 options.Margin = 1; writer.Options = options; Bitmap map = writer.Write(text); string fileSavePath = AppDomain.CurrentDomain.BaseDirectory + "EWM.jpg"; if (File.Exists(fileSavePath)) File.Delete(fileSavePath); map.Save(fileSavePath, ImageFormat.Png); map.Dispose(); } /// <summary> /// 读取二维码 /// 读取失败,返回空字符串 /// </summary> /// <param name="filename">指定二维码图片位置</param> static string Read1(string filename) { BarcodeReader reader = new BarcodeReader(); reader.Options.CharacterSet = "UTF-8"; Bitmap map = new Bitmap(filename); Result result = reader.Decode(map); return result == null ? "" : result.Text; } //读取内容 private void button3_Click(object sender, EventArgs e) { //读取二维码 // string fileSavePath = AppDomain.CurrentDomain.BaseDirectory + "BarcodePattern11.jpg"; //读取带logo的二维码 string fileSavePath = AppDomain.CurrentDomain.BaseDirectory + "logo_Img.jpg"; //读取条形码码 //string fileSavePath = AppDomain.CurrentDomain.BaseDirectory + "TXM.jpg"; string result = Read1(fileSavePath); label1.Text = result; } /// <summary> /// 生成带Logo的二维码 /// </summary> /// <param name="text"></param> public void Generate3(string text) { //Logo 图片 Bitmap logo = new Bitmap(AppDomain.CurrentDomain.BaseDirectory + "d06.png"); //构造二维码写码器 MultiFormatWriter writer = new MultiFormatWriter(); Dictionary<EncodeHintType, object> hint = new Dictionary<EncodeHintType, object>(); hint.Add(EncodeHintType.CHARACTER_SET, "UTF-8"); hint.Add(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H); //生成二维码 BitMatrix bm = writer.encode(text, BarcodeFormat.QR_CODE, 300, 300, hint); BarcodeWriter barcodeWriter = new BarcodeWriter(); Bitmap map = barcodeWriter.Write(bm); //获取二维码实际尺寸(去掉二维码两边空白后的实际尺寸) int[] rectangle = bm.getEnclosingRectangle(); //计算插入图片的大小和位置 int middleW = Math.Min((int)(rectangle[2] / 3.5), logo.Width); int middleH = Math.Min((int)(rectangle[3] / 3.5), logo.Height); int middleL = (map.Width - middleW) / 2; int middleT = (map.Height - middleH) / 2; //将img转换成bmp格式,否则后面无法创建Graphics对象 Bitmap bmpimg = new Bitmap(map.Width, map.Height, PixelFormat.Format32bppArgb); using (Graphics g = Graphics.FromImage(bmpimg)) { g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality; g.DrawImage(map, 0, 0); } //将二维码插入图片 Graphics myGraphic = Graphics.FromImage(bmpimg); //白底 myGraphic.FillRectangle(Brushes.White, middleL, middleT, middleW, middleH); myGraphic.DrawImage(logo, middleL, middleT, middleW, middleH); //保存成图片 string fileSavePath = AppDomain.CurrentDomain.BaseDirectory + "logo_Img.jpg"; if (File.Exists(fileSavePath)) File.Delete(fileSavePath); bmpimg.Save(fileSavePath, ImageFormat.Png); pictureBox2.Load(fileSavePath); map.Dispose(); }
标签:domain type oid 大小 object 代码 odi system rate
原文地址:https://www.cnblogs.com/bin521/p/9875014.html