调整二维码，条形码生成方法

MicroServices/Business/Business.Core/Utilities/QRcodeHelper.cs

@@ -22,11 +22,40 @@ namespace Business.Core.Utilities
         /// <summary>
         /// 生成二维码
         /// </summary>
+        /// <param name="context">二维码内容</param>
+        public Image GenerateQrCode(string context)
+        {
+            //使用ThoughtWorks.QRCode.Codec生成二维码
+            QRCodeEncoder qRCode = new QRCodeEncoder();
+            qRCode.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;          //编码方式(注意：BYTE能支持中文，ALPHA_NUMERIC扫描出来的都是数字)
+            qRCode.QRCodeScale = 2;                                            //大小(值越大生成的二维码图片像素越高)-值越大，二维码图片越大
+            qRCode.QRCodeVersion = 0;                                          //版本(注意：设置为0主要是防止编码的字符串太长时发生错误)
+            qRCode.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;      //错误效验、错误更正(有4个等级)
+            qRCode.QRCodeBackgroundColor = Color.White;                        //背景色
+            qRCode.QRCodeForegroundColor = Color.Black;                        //前景色
+            System.Drawing.Bitmap bt = qRCode.Encode(context, Encoding.UTF8);
+
+            //bt.Save("二维码文件保存路径");//如果需要保存二维码，则返回文件路径即可
+            return bt;
+        }
+
+        /// <summary>
+        /// 生成条形码
+        /// </summary>
+        /// <param name="context">条形码内容</param>
+        public void GenerateBarcode(string context)
+        {
+            
+        }
+
+        /// <summary>
+        /// Pdf文档添加二维码
+        /// </summary>
         /// <param name="filePath">文件路径</param>
         /// <param name="context">二维码内容</param>
         /// <param name="x">x轴偏移量</param>
         /// <param name="y">y轴偏移量</param>
-        public void GenerateQrCode(string filePath, string context,int x,int y)
+        public void PdfAddQrCode(string filePath, string context,int x,int y)
         {
             PdfDocument pdf = new PdfDocument();
             //读取文件
@@ -35,22 +64,13 @@ namespace Business.Core.Utilities
             pdf.Pages.Remove(pb);
 
             //生成二维码
-            QRCodeEncoder qRCode = new QRCodeEncoder();
-            qRCode.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;          //编码方式(注意：BYTE能支持中文，ALPHA_NUMERIC扫描出来的都是数字)
-            qRCode.QRCodeScale = 2;                                            //大小(值越大生成的二维码图片像素越高)-值越大，二维码图片越大
-            qRCode.QRCodeVersion = 0;                                          //版本(注意：设置为0主要是防止编码的字符串太长时发生错误)
-            qRCode.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;      //错误效验、错误更正(有4个等级)
-            qRCode.QRCodeBackgroundColor = Color.White;                        //背景色
-            qRCode.QRCodeForegroundColor = Color.Black;                        //前景色
-            System.Drawing.Bitmap bt = qRCode.Encode(context, Encoding.UTF8);
-            
+            Image image = GenerateQrCode(context);
+
             //循环每一页，绘制二维码图形到PDF
-            PdfImage pdfImage = PdfImage.FromImage(bt);
+            PdfImage pdfImage = PdfImage.FromImage(image);
             for (int i = 0; i < pdf.Pages.Count; i++)
             {
                 var page = pdf.Pages[i];
-                //位于页面右上角
-                //page.Canvas.DrawImage(pdfImage, page.Size.Width - pdfImage.Width - 20, 10);
                 //自定义位置
                 page.Canvas.DrawImage(pdfImage, x, y);
             }
@@ -59,118 +79,37 @@ namespace Business.Core.Utilities
         }
 
         /// <summary>
-        /// 生成条形码
+        /// Pdf文档添加条形码
         /// </summary>
         /// <param name="filePath">文件路径</param>
         /// <param name="context">挑衅码内容</param>
         /// <param name="x">x轴偏移量</param>
         /// <param name="y">y轴偏移量</param>
-        public void GenerateBarcode(string filePath, string context, int x, int y)
+        public void PdfAddBarcode(string filePath, string context, int x, int y)
         {
             PdfDocument pdf = new PdfDocument();
             //读取文件
             pdf.LoadFromFile(filePath);
             PdfPageBase pb = pdf.Pages.Add();
             pdf.Pages.Remove(pb);
-
-            PdfCode39Barcode pdfCode = new PdfCode39Barcode(context);
+            //生成条形码
+            PdfCode39Barcode pdfCode = new PdfCode39Barcode(context);   //构造条形码内容
             pdfCode.BarcodeToTextGapHeight = 2f;
-            pdfCode.TextDisplayLocation = TextLocation.Bottom;
-            pdfCode.BarHeight = 40;
-            pdfCode.NarrowBarWidth = 0.5f;
-            pdfCode.TextColor = Color.Black;
+            pdfCode.TextDisplayLocation = TextLocation.Bottom;          //条形码文字位置
+            pdfCode.BarHeight = 40;                                     //高度
+            pdfCode.NarrowBarWidth = 0.5f;                              //宽度比例
+            pdfCode.TextColor = Color.Black;                            //文字颜色
 
-            //绘制二维码图形到PDF
+            //绘制条形码图形到PDF
             for (int i = 0; i < pdf.Pages.Count; i++)
             {
                 var page = pdf.Pages[i];
-                //位于页面底部中间
-                //pdfCode.Draw(page, new Point((int)(page.Size.Width / 2 - pdfCode.Size.Width / 2), (int)(page.Size.Height - pdfCode.Size.Height)));
                 //自定义位置
                 pdfCode.Draw(page, new Point(x, y));
             }
-
             //保存文档
             pdf.SaveToFile(filePath);
         }
 
-        #region spire.barcode生成二维码和条形吗
-        ///// <summary>
-        ///// 生成二维码
-        ///// </summary>
-        ///// <param name="filePath"></param>
-        ///// <param name="context"></param>
-        //public void GenerateQrCode(string filePath, string context)
-        //{
-        //    PdfDocument pdf = new PdfDocument();
-        //    //读取文件
-        //    pdf.LoadFromFile(filePath);
-        //    PdfPageBase pb = pdf.Pages.Add();
-        //    pdf.Pages.Remove(pb);
-
-        //    //使用Spire.Barcode的BarcodeSettings和BarcodeGenerator类创建二维码图形
-        //    Spire.Barcode.BarcodeSettings settings = new BarcodeSettings();
-        //    settings.Type = BarCodeType.QRCode;
-        //    settings.Data = context;
-        //    settings.Data2D = context;
-        //    settings.X = 0.7f;
-        //    settings.LeftMargin = 0;
-        //    settings.ShowText = false;
-        //    settings.AutoResize=true;
-        //    settings.ShowCheckSumChar = false;
-        //    settings.QRCodeECL = QRCodeECL.Q;
-        //    settings.QRCodeDataMode = QRCodeDataMode.Numeric;
-        //    Spire.Barcode.BarCodeGenerator generator = new BarCodeGenerator(settings);
-        //    Image image = generator.GenerateImage(new Size(20,20));
-
-        //    //绘制二维码图形到PDF
-        //    PdfImage pdfImage = PdfImage.FromImage(image);
-        //    for (int i = 0; i < pdf.Pages.Count; i++)
-        //    {
-        //        var page = pdf.Pages[i];
-        //        page.Canvas.DrawImage(pdfImage, page.Size.Width - pdfImage.Width + 9, 0);
-        //    }
-
-        //    //保存文档
-        //    pdf.SaveToFile(filePath);
-        //}
-
-        ///// <summary>
-        ///// 生成条形码
-        ///// </summary>
-        ///// <param name="filePath"></param>
-        ///// <param name="context"></param>
-        //public void GenerateBarcode(string filePath, string context, string savePath)
-        //{
-        //PdfDocument pdf = new PdfDocument();
-        ////读取文件
-        //pdf.LoadFromFile(filePath);
-        //PdfPageBase pb = pdf.Pages.Add();
-        //pdf.Pages.Remove(pb);
-
-        ////使用Spire.Barcode的BarcodeSettings和BarcodeGenerator类创建条形码图形
-        //Spire.Barcode.BarcodeSettings settings = new BarcodeSettings();
-        //settings.Type = BarCodeType.Codabar;
-        //settings.Data = context;
-        //settings.Data2D = context;
-        //settings.ShowText = false;
-        //settings.ShowTopText = false;
-        //settings.ShowTextOnBottom = false;
-        //settings.ShowCheckSumChar = false;
-        //Spire.Barcode.BarCodeGenerator generator = new BarCodeGenerator(settings);
-        //Image image = generator.GenerateImage(new Size(40,20));
-
-        ////绘制二维码图形到PDF
-        //PdfImage pdfImage = PdfImage.FromImage(image);
-        //for (int i = 0; i < pdf.Pages.Count; i++)
-        //{
-        //    var page = pdf.Pages[i];
-        //    page.Canvas.DrawImage(pdfImage, page.Size.Width / 2 - pdfImage.Width / 2, page.Size.Height - pdfImage.Height);
-        //}
-
-        ////保存文档
-        //pdf.SaveToFile(savePath);
-        //}
-        #endregion
     }
 }

MicroServices/Business/Business.HttpApi/Controllers/QRcodeController.cs

@@ -7,6 +7,7 @@ using System.Text;
 using System.Threading.Tasks;
 using Volo.Abp.AspNetCore.Mvc;
 using Volo.Abp;
+using System.Drawing;
 
 namespace Business.Controllers
 {
@@ -15,39 +16,65 @@ namespace Business.Controllers
     /// </summary>
     [RemoteService]
     [Area("Business")]
-    [Route("api/business/code")]
+    [Route("api/business/codehelper")]
     public class QRcodeController : AbpController
     {
         /// <summary>
         /// 生成二维码
         /// </summary>
+        /// <param name="context">二维码内容</param>
+        [HttpGet]
+        [Route("generate_qrcode")]
+        public Image GenerateQrCode(string context)
+        {
+            //二维码帮助类
+            QRcodeHelper qRcode = new QRcodeHelper();
+            //生成二维码
+            return qRcode.GenerateQrCode(context);
+        }
+
+        ///// <summary>
+        ///// 生成条形码
+        ///// </summary>
+        ///// <param name="context">条形码内容</param>
+        //[HttpGet]
+        //[Route("generate_barcode")]
+        //public void GenerateBarcode(string context)
+        //{
+        //    QRcodeHelper qRcode = new QRcodeHelper();
+        //    qRcode.GenerateBarcode(context);
+        //}
+
+        /// <summary>
+        /// Pdf文档添加二维码
+        /// </summary>
         /// <param name="filePath">文件路径</param>
         /// <param name="context">二维码内容</param>
         /// <param name="x">x轴偏移量</param>
         /// <param name="y">y轴偏移量</param>
         [HttpGet]
-        [Route("qrcode")]
-        public void GenerateQrCode(string filePath, string context, int x, int y)
+        [Route("pdfaddqrcode")]
+        public void PdfAddQrCode(string filePath, string context, int x, int y)
         {
             //二维码帮助类
             QRcodeHelper qRcode = new QRcodeHelper();
             //生成二维码
-            qRcode.GenerateQrCode(filePath, context, x, y);
+            qRcode.PdfAddQrCode(filePath, context, x, y);
         }
 
         /// <summary>
-        /// 生成条形码
+        /// Pdf文档添加条形码
         /// </summary>
         /// <param name="filePath">文件路径</param>
         /// <param name="context">挑衅码内容</param>
         /// <param name="x">x轴偏移量</param>
         /// <param name="y">y轴偏移量</param>
         [HttpGet]
-        [Route("barcode")]
-        public void GenerateBarcode(string filePath, string context, int x, int y)
+        [Route("pdfaddbarcode")]
+        public void PdfAddBarcode(string filePath, string context, int x, int y)
         {
             QRcodeHelper qRcode = new QRcodeHelper();
-            qRcode.GenerateBarcode(filePath, context, x, y);
+            qRcode.PdfAddBarcode(filePath, context, x, y);
         }
     }
 }