使用DotNetBarcode制作基本常用条码

Posted 2020-07-30 艾野草

核心代码：
        /// <summary>
        /// 打印一维码
        /// </summary>
        /// <param name="codeText"></param>
        /// <param name="g"></param>
        /// <param name="pointX"></param>
        /// <param name="pointY"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        public void PrintBarcode(string codeText, Graphics g, int pointX, int pointY, int width, int height)
        {
            C1BarCode code = new C1BarCode();
            code.CodeType = CodeTypeEnum.Code128;
            code.Text = codeText;
            try
            {
                g.DrawImage(code.Image, pointX, pointY, width, height);
            }
            catch (Exception ex)
            {
                if (code.Image == null)
                {
                    MessageBox.Show("需要打印的字段中存在空值,条码会出现残缺，请检查是否维护了某些需要打印的字段" + ex.Message + "\n Some Information Need To Be Printed Is null, Please Contact Maintain It");
                }
            }
            
        }
        /// <summary>
        /// 图片压缩式生成二维码，***添
        /// </summary>
        /// <param name="e">e</param>
        /// <param name="QrBarcodeInfo">条码扫描出的信息</param>
        /// <param name="mapSize_x">bitmap x坐标</param>
        /// <param name="mapSize_y">bitmap y坐标</param>
        /// <param name="Qrbarcode_x">条码 x坐标</param>
        /// <param name="Qrbarcode_y">条码 y坐标</param>
        /// <param name="Qrbarcode_size">条码 长宽</param>
        public void Print_Image_Qrcode(System.Drawing.Printing.PrintPageEventArgs e, string QrBarcodeInfo, int mapSize_x, int mapSize_y, int Qrbarcode_x, int Qrbarcode_y, int Qrbarcode_size)
        {
            DotNetBarcode qrCode = new DotNetBarcode(DotNetBarcode.Types.QRCode);
            qrCode.QRQuitZone = 0;
            //qrCode.PrintChar = true;
            Bitmap bitmap = new Bitmap(mapSize_x, mapSize_y);   //50 * 4， 50 * 4
            Graphics gp = Graphics.FromImage(bitmap);           //取图片作为 Graphics
            qrCode.QRWriteBar(QrBarcodeInfo, 0, 0, 2, gp);      //画出二维码，图片的大小为二维码大小
            gp.Dispose();
            //pictureBox1.Image = bitmap;
            e.Graphics.DrawImage(bitmap, Qrbarcode_x, Qrbarcode_y, Qrbarcode_size, Qrbarcode_size); //将二维码图片 打印出来，缩放 35*4， 35*4
        }

        /// <summary>
        /// 打印二维码
        /// </summary>
        /// <param name="codeText"></param>
        /// <param name="pointX"></param>
        /// <param name="pointY"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="g"></param>
        public void PrintBarcode_QrCode(string codeText, float pointX, float pointY, float width, float height, Graphics g)
        {
            DotNetBarcode qrCode = new DotNetBarcode(DotNetBarcode.Types.QRCode);
            qrCode.QRQuitZone = 0;
            qrCode.WriteBar(codeText, pointX, pointY, width, height, g);
        }

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