C#代码实现在PDF文档中创建表格

PM> Install-Package Spire.PDF

using System;
using System.Data;
using System.Drawing;
using Spire.Pdf;
using Spire.Pdf.Graphics;
using Spire.Pdf.Tables;

namespace CreateTable
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建 PdfDocument 对象
            PdfDocument doc = new PdfDocument();

            //添加页面
            PdfPageBase page = doc.Pages.Add(PdfPageSize.A4, new PdfMargins(40));

            //创建 PdfTable 对象
            PdfTable table = new PdfTable();

            //设置表头和普通单元格字体
            table.Style.DefaultStyle.Font = new PdfTrueTypeFont(new Font("Times New Roman", 12f, FontStyle.Regular), true);
            table.Style.HeaderStyle.Font = new PdfTrueTypeFont(new Font("Times New Roman", 12f, FontStyle.Bold), true);

            //创建 DataTable 数据源
            DataTable dataTable = new DataTable();
            dataTable.Columns.Add("ID");
            dataTable.Columns.Add("姓名");
            dataTable.Columns.Add("部门");
            dataTable.Columns.Add("职位");
            dataTable.Columns.Add("级别");

            dataTable.Rows.Add(new string[] { "1", "David", "IT", "经理", "1" });
            dataTable.Rows.Add(new string[] { "3", "Julia", "人力资源", "经理", "1" });
            dataTable.Rows.Add(new string[] { "4", "Sophie", "市场部", "经理", "1" });
            dataTable.Rows.Add(new string[] { "7", "Wickey", "市场部", "销售代表", "2" });
            dataTable.Rows.Add(new string[] { "9", "Wayne", "人力资源", "人事主管", "2" });
            dataTable.Rows.Add(new string[] { "11", "Mia", "开发部", "开发人员", "2" });

            //将 DataTable 设置为表格数据源
            table.DataSource = dataTable;

            //显示表头（默认情况下表头是隐藏的）
            table.Style.ShowHeader = true;

            //设置表头行的字体颜色和背景颜色
            table.Style.HeaderStyle.BackgroundBrush = PdfBrushes.Gray;
            table.Style.HeaderStyle.TextBrush = PdfBrushes.White;

            //设置表头文本对齐方式
            table.Style.HeaderStyle.StringFormat = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle);

            //设置其他单元格文本对齐方式
            for (int i = 0; i < table.Columns.Count; i++)
            {
                table.Columns[i].StringFormat = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle);
            }

            //注册 BeginRowLayout 事件
            table.BeginRowLayout += Table_BeginRowLayout;

            //在页面上绘制表格
            table.Draw(page, new PointF(0, 30));

            //保存为 PDF 文件
            doc.SaveToFile("PdfTable.pdf");
        }

        //事件处理方法
        private static void Table_BeginRowLayout(object sender, BeginRowLayoutEventArgs args)
        {
            //设置行高
            args.MinimalHeight = 20f;

            //设置隔行背景色
            if (args.RowIndex < 0)
            {
                return;
            }

            if (args.RowIndex % 2 == 1)
            {
                args.CellStyle.BackgroundBrush = PdfBrushes.LightGray;
            }
            else
            {
                args.CellStyle.BackgroundBrush = PdfBrushes.White;
            }
        }
    }
}

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

namespace CreateGrid
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建 PdfDocument 对象
            PdfDocument doc = new PdfDocument();

            //添加页面
            PdfPageBase page = doc.Pages.Add(PdfPageSize.A4, new PdfMargins(40));

            //创建 PdfGrid 对象
            PdfGrid grid = new PdfGrid();

            //设置单元格内边距
            grid.Style.CellPadding = new PdfPaddings(1, 1, 1, 1);

            //设置字体
            grid.Style.Font = new PdfTrueTypeFont(new Font("Times New Roman", 13f, FontStyle.Regular), true);

            //添加行
            PdfGridRow row1 = grid.Rows.Add();
            PdfGridRow row2 = grid.Rows.Add();
            PdfGridRow row3 = grid.Rows.Add();
            PdfGridRow row4 = grid.Rows.Add();
            grid.Columns.Add(4);

            //设置列宽
            foreach (PdfGridColumn col in grid.Columns)
            {
                col.Width = 110f;
            }

            //向指定单元格写入数据
            row1.Cells[0].Value = "订单与付款状态";
            row2.Cells[0].Value = "订单编号";
            row2.Cells[1].Value = "日期";
            row2.Cells[2].Value = "客户";
            row2.Cells[3].Value = "是否付款";

            row3.Cells[0].Value = "00223";
            row3.Cells[1].Value = "2022/06/02";
            row3.Cells[2].Value = "Brick Lane Realty";
            row3.Cells[3].Value = "是";

            row4.Cells[0].Value = "00224";
            row4.Cells[1].Value = "2022/06/03";
            row4.Cells[3].Value = "否";

            //跨列合并单元格
            row1.Cells[0].ColumnSpan = 4;

            //跨行合并单元格
            row3.Cells[2].RowSpan = 2;

            //设置指定单元格的文本对齐方式
            row1.Cells[0].StringFormat = new PdfStringFormat(PdfTextAlignment.Center);
            row3.Cells[2].StringFormat = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle);

            //设置指定单元格的背景颜色
            row1.Cells[0].Style.BackgroundBrush = PdfBrushes.Orange;
            row4.Cells[3].Style.BackgroundBrush = PdfBrushes.LightGray;

            //设置单元格边框样式
            PdfBorders borders = new PdfBorders();
            borders.All = new PdfPen(Color.Orange, 0.8f);

            foreach (PdfGridRow pgr in grid.Rows)
            {
                foreach (PdfGridCell pgc in pgr.Cells)
                {
                    pgc.Style.Borders = borders;
                }
            }

            //在页面上绘制表格
            grid.Draw(page, new PointF(0, 30));

            //保存为 PDF 文件
            doc.SaveToFile("PdfGrid.pdf");
        }
    }
}