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

namespace NestedTable_PDF
{
    class Program
    {
        static void Main(string[] args)
        {
            //实例化PdfDocument类，并添加页面到新建的文档
            PdfDocument pdf = new PdfDocument();
            PdfPageBase page = pdf.Pages.Add();

            //添加字体、画笔，写入文本到PDF文档
            PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("行楷", 11f), true);
            PdfPen pen = new PdfPen(Color.Gray);
            string text = "2018 Pyeongchang Olympic Winter Games Medal Ranking";
            page.Canvas.DrawString(text, font, pen, 100, 50);

            //创建一个PDF表格，并添加两行
            PdfGrid grid = new PdfGrid(); 
            PdfGridRow row1 = grid.Rows.Add();
            PdfGridRow row2 = grid.Rows.Add();

            //设置表格的单元格内容和边框之间的上、下边距
            grid.Style.CellPadding.Top = 5f;
            grid.Style.CellPadding.Bottom = 5f;

            //添加三列，并设置列宽
            grid.Columns.Add(3);
            grid.Columns[0].Width = 120f;
            grid.Columns[1].Width = 150f;
            grid.Columns[2].Width = 120f; 

            //创建一个一行两列的嵌套表格
            PdfGrid embedGrid1 = new PdfGrid();
            PdfGridRow newRow = embedGrid1.Rows.Add();
            embedGrid1.Columns.Add(2);

            //设置嵌套表格的列宽
            embedGrid1.Columns[0].Width = 50f;
            embedGrid1.Columns[1].Width = 60f;

            //初始化SizeF类，设置图片大小
            SizeF imageSize = new SizeF(45, 35);

            //实例化PdfGridCellContentList、PdfGridCellContent类，加载需要添加到嵌套表格的图片
            PdfGridCellContentList contentList = new PdfGridCellContentList();
            PdfGridCellContent content = new PdfGridCellContent();
            content.Image = PdfImage.FromFile("1.png");
            content.ImageSize = imageSize;
            contentList.List.Add(content);
            //实例化PdfStringFormat、PdfTrueTypeFont类，设置单元格文字对齐方式
            PdfStringFormat stringFormat = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle);         

            //添加文本内容及图片到嵌套表格
            newRow.Cells[0].Value = "Norway";
            newRow.Cells[0].StringFormat = stringFormat;
            newRow.Cells[1].Value = contentList; //将图片添加到嵌套表格的第二个单元格
            newRow.Cells[1].StringFormat = stringFormat;           

            //设置第一个表格的单元格的值和格式
            row1.Cells[0].Value = "Rank";
            row1.Cells[0].StringFormat = stringFormat;
            row1.Cells[0].Style.Font = font;
            row1.Cells[0].Style.BackgroundBrush = PdfBrushes.LightSalmon;
            row1.Cells[1].Value = "Country";
            row1.Cells[1].StringFormat = stringFormat;
            row1.Cells[1].Style.Font = font;
            row1.Cells[1].Style.BackgroundBrush = PdfBrushes.LightSalmon;
            row1.Cells[2].Value = "Total";
            row1.Cells[2].StringFormat = stringFormat;
            row1.Cells[2].Style.Font = font;
            row1.Cells[2].Style.BackgroundBrush = PdfBrushes.LightSalmon;

            row2.Cells[0].Value = "1";
            row2.Cells[0].StringFormat = stringFormat;
            row2.Cells[0].Style.Font = font;
            row2.Cells[1].Value = embedGrid1; //将嵌套表格添加到第一个表格的第二行第二个单元格
            row2.Cells[1].StringFormat = stringFormat;

            row2.Cells[2].Value = "39";
            row2.Cells[2].StringFormat = stringFormat;
            row2.Cells[2].Style.Font = font;

            //将表格绘制到页面指定位置
            grid.Draw(page, new PointF(30f, 90f));

            //保存文档并打开
            pdf.SaveToFile("result.pdf");
            System.Diagnostics.Process.Start("result.pdf");
        }
    }
}