使用Spire.Office for .NET(Word、Excel、PPT、PDF等)的初步感受

    class Program
    {
        static void Main(string[] args)
        {
            ///1、创建一个PDF 的Document
            PdfDocument doc = new PdfDocument();
            PdfUnitConvertor unitCvtr = new PdfUnitConvertor();
            PdfMargins margin = new PdfMargins();
            margin.Top = unitCvtr.ConvertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point);
            margin.Bottom = margin.Top;
            margin.Left = unitCvtr.ConvertUnits(3.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point);
            margin.Right = margin.Left;
            
            //2、创建一个margin为上面定义的PDF的Page页
            PdfPageBase page = doc.Pages.Add(PdfPageSize.A4, margin);
            
            ///3、插入一个背景图片
            System.Drawing.Image img = System.Drawing.Image.FromFile(@"1.png");
            page.BackgroundImage = img;

            ////4、添加水印
            PdfTilingBrush brush
                = new PdfTilingBrush(new SizeF(page.Canvas.ClientSize.Width / 2, page.Canvas.ClientSize.Height / 3));
            brush.Graphics.SetTransparency(0.3f);
            brush.Graphics.Save();
            brush.Graphics.TranslateTransform(brush.Size.Width / 2, brush.Size.Height / 2);
            brush.Graphics.RotateTransform(-45);
            brush.Graphics.DrawString("www.cnblogs.com/aehyok",
                new PdfFont(PdfFontFamily.Helvetica, 24), PdfBrushes.Violet, 0, 0,
                new PdfStringFormat(PdfTextAlignment.Center));
            brush.Graphics.Restore();
            brush.Graphics.SetTransparency(1);
            page.Canvas.DrawRectangle(brush, new RectangleF(new PointF(0, 0), page.Canvas.ClientSize));

            float y = 10;
            //5、设置标题
            PdfBrush brush1 = PdfBrushes.Black;
            PdfTrueTypeFont font1 = new PdfTrueTypeFont(new Font("Arial", 16f, FontStyle.Bold));
            PdfStringFormat format1 = new PdfStringFormat(PdfTextAlignment.Center);
            page.Canvas.DrawString("Country List", font1, brush1, page.Canvas.ClientSize.Width / 2, y, format1);
            y = y + font1.MeasureString("Country List", format1).Height;
            y = y + 5;

            ////6、定义Table元数据
            String[] data = {
                "Name;Capital;Continent;Area;Population",
                "Argentina;Buenos Aires;South America;2777815;32300003",
                "Bolivia;La Paz;South America;1098575;7300000",
                "Brazil;Brasilia;South America;8511196;150400000",
                "Canada;Ottawa;North America;9976147;26500000",
                };
            String[][] dataSource
                = new String[data.Length][];
            for (int i = 0; i < data.Length; i++)
            {
                dataSource[i] = data[i].Split(‘;‘);
            }
            ///7、画Table绑定数据
            PdfTable table = new PdfTable();
            table.Style.CellPadding = 2;
            table.Style.HeaderSource = PdfHeaderSource.Rows;
            table.Style.HeaderRowCount = 1;
            table.Style.ShowHeader = true;
            table.DataSource = dataSource;   ///直接绑定数据源
            PdfLayoutResult result = table.Draw(page, new PointF(0, y));
            y = y + result.Bounds.Height + 5;
            PdfBrush brush2 = PdfBrushes.Gray;
            PdfTrueTypeFont font2 = new PdfTrueTypeFont(new Font("Arial", 9f));
            page.Canvas.DrawString(String.Format("* {0} countries in the list.", data.Length - 1), font2, brush2, 5, y);

            //8、保存文件
            doc.SaveToFile("SimpleTable.pdf");
            doc.Close();
            ///9、打开刚刚制作的文件
            System.Diagnostics.Process.Start("SimpleTable.pdf");
        }
    }