C#/VB.NET 实现在PDF表格中添加条形码

using Spire.Pdf;
using Spire.Pdf.Barcode;
using Spire.Pdf.Graphics;
using Spire.Pdf.Grid;
using System.Drawing;

namespace AddBarcodeToTable
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建PDF文档
            PdfDocument pdf = new PdfDocument();
            PdfPageBase page = pdf.Pages.Add();   
            
            //创建PdfGrid类的表格对象
            PdfGrid grid = new PdfGrid();
            grid.Style.CellPadding = new PdfPaddings(1, 1, 1, 1);
            grid.Style.Font = new PdfTrueTypeFont(new Font("Arial Unicode MS", 9f), true);

            //添加2行2列到表格
            PdfGridRow row1 = grid.Rows.Add();
            PdfGridRow row2 = grid.Rows.Add();       
            grid.Columns.Add(2);

            //设置列宽 
            foreach (PdfGridColumn column in grid.Columns)
            {
                column.Width = 150f;
            }

            //在单元格中写入数据 
            row1.Cells[0].Value = "产品编号";
            row1.Cells[1].Value = "条码";
            row2.Cells[0].Value = "B0215";
            
            //创建条码
            PdfCodabarBarcode barcode1 = new PdfCodabarBarcode("00:12-3456/7890");
            barcode1.BarcodeToTextGapHeight = 1f;
            barcode1.EnableCheckDigit = true;
            barcode1.ShowCheckDigit = true;          
            barcode1.TextDisplayLocation = TextLocation.Bottom;
            barcode1.TextColor = Color.Blue;           

            //将条码保存为图片到指定路径
            Image image =barcode1.ToImage();           
            image.Save(@"F:/VS2017Project/DrawTable_PDF/AddBarcodeToTable/bin/Debug/BarcodeImage.png");

            //将条码图片添加到表格单元格
            string imgpath = "F:/VS2017Project/DrawTable_PDF/AddBarcodeToTable/bin/Debug/BarcodeImage.png";           
            PdfGridCellContentList contentList = new PdfGridCellContentList();
            PdfGridCellContent content = new PdfGridCellContent();
            SizeF imageSize = new SizeF(120, 80);
            content.ImageSize = imageSize;
            content.Image = PdfImage.FromFile(imgpath);           
            contentList.List.Add(content);
            row2.Cells[1].Value = contentList;           

            //绘制表格到页面指定位置
            grid.Draw(page, new PointF(0, 40));

            //保存PDF文档
            pdf.SaveToFile("AddBarcodeToTable.pdf",FileFormat.PDF);
            System.Diagnostics.Process.Start("AddBarcodeToTable.pdf");
        }
    }
}

Imports Spire.Pdf
Imports Spire.Pdf.Barcode
Imports Spire.Pdf.Graphics
Imports Spire.Pdf.Grid
Imports System.Drawing

Namespace AddBarcodeToTable
    Class Program
        Private Shared Sub Main(args As String())
            '创建PDF文档
            Dim pdf As New PdfDocument()
            Dim page As PdfPageBase = pdf.Pages.Add()

            '创建PdfGrid类的表格对象
            Dim grid As New PdfGrid()
            grid.Style.CellPadding = New PdfPaddings(1, 1, 1, 1)
            grid.Style.Font = New PdfTrueTypeFont(New Font("Arial Unicode MS", 9F), True)

            '添加2行2列到表格
            Dim row1 As PdfGridRow = grid.Rows.Add()
            Dim row2 As PdfGridRow = grid.Rows.Add()
            grid.Columns.Add(2)

            '设置列宽 
            For Each column As PdfGridColumn In grid.Columns
                column.Width = 150F
            Next

            '在单元格中写入数据 
            row1.Cells(0).Value = "产品编号"
            row1.Cells(1).Value = "条码"
            row2.Cells(0).Value = "B0215"

            '创建条码
            Dim barcode1 As New PdfCodabarBarcode("00:12-3456/7890")
            barcode1.BarcodeToTextGapHeight = 1F
            barcode1.EnableCheckDigit = True
            barcode1.ShowCheckDigit = True
            barcode1.TextDisplayLocation = TextLocation.Bottom
            barcode1.TextColor = Color.Blue

            '将条码保存为图片到指定路径
            Dim image As Image = barcode1.ToImage()
            image.Save("F:/VS2017Project/DrawTable_PDF/AddBarcodeToTable/bin/Debug/BarcodeImage.png")

            '将条码图片添加到表格单元格
            Dim imgpath As String = "F:/VS2017Project/DrawTable_PDF/AddBarcodeToTable/bin/Debug/BarcodeImage.png"
            Dim contentList As New PdfGridCellContentList()
            Dim content As New PdfGridCellContent()
            Dim imageSize As New SizeF(120, 80)
            content.ImageSize = imageSize
            content.Image = PdfImage.FromFile(imgpath)
            contentList.List.Add(content)
            row2.Cells(1).Value = contentList

            '绘制表格到页面指定位置
            grid.Draw(page, New PointF(0, 40))

            '保存PDF文档
            pdf.SaveToFile("AddBarcodeToTable.pdf", FileFormat.PDF)
            System.Diagnostics.Process.Start("AddBarcodeToTable.pdf")
        End Sub
    End Class
End Namespace