C# 导出PDF

PdfSharp

/// <summary>
 /// PdfSharp 创建一个简单的PDF
 /// </summary>
 public static async Task ExportPDFAsync(string title = null)
 {
     // 创建PDF文档
     PdfDocument document = new PdfDocument();
     document.Info.Title = "PdfSharp Table Example";

     // 添加页面
     PdfPage page = document.AddPage();
     XGraphics gfx = XGraphics.FromPdfPage(page);

     // 设置字体
     XFont font = new XFont("Verdana", 10);

     // 设置表格数据
     string[,] tableData = new string[,]
     {
     { "Name", "Age", "City","Name", "Age", "City","Na111111111111111111111111me", "Age", "City","Name", "Age", "City"  },
     {"Alice", "30", "New York", "Alice", "30", "New York", "Alice", "30", "New York", "Alice", "30", "New York"},
     {"Bob", "25", "Los Angeles", "Bob", "25", "Los Angeles", "Bob", "25", "Los Angeles", "Bob", "25", "Los Angeles"},
     {"Charlie", "35", "Chicago", "Charlie", "35", "Chicago", "Charlie", "35", "Chicago", "Charlie", "35", "Chicago"}
     };

     // 表格的起始位置和单元格大小
     double startX = 20;
     double startY = 50;
     double cellWidth = 550 / 12;
     double cellHeight = 30;

     // 绘制表格
     for (int row = 0; row < tableData.GetLength(0); row++)
     {
         for (int col = 0; col < tableData.GetLength(1); col++)
         {
             // 绘制文本
             gfx.DrawString(tableData[row, col], font, XBrushes.Black, new XRect(startX + col * cellWidth, startY + row * cellHeight, cellWidth, cellHeight), XStringFormats.Center);
         }
         gfx.DrawLine(XPens.LightGray, startX, startY + (row + 1) * cellHeight, startX + 550, startY + (row + 1) * cellHeight); // 只绘制底部
     }

     var dialog = new SaveFileDialog()
     {
         Filter = "(*.pdf)|*.pdf|(*.pdf)|*.pdf",
         Title = title ?? "导出".Localize(),
         InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
     };
     if (dialog.ShowDialog() != true) return;

     document.Save(dialog.FileName);
     Process.Start(dialog.FileName); // 打开生成的PDF文件
 }