// 產生亂數資料填充到 cells 陣列中
Random random = new Random();
for (int i = 0; i < rowCount * columnCount; i++)
cells.Add(new Cell(random.Next(100).ToString())); // 以亂數填充儲存格的值
// 根據 rows 和 cells 陣列建立資料表
CreateTable(rows, cells, rowCount, columnCount);
// 建立 PDF 文件
string outputPath = "D://txt//test.PDF";
Document document = new Document();
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(outputPath, FileMode.Create));
document.Open();
// 建立字型
BaseFont baseFont = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
Font font = new Font(baseFont, 12, Font.NORMAL);
// 建立 PDF 表格
PdfPTable table = new PdfPTable(columnCount);
table.WidthPercentage = 100;
// 加入表頭
foreach (Cell cell in rows[0].Cells)
PdfPCell headerCell = new PdfPCell(new Phrase(cell.Value, font));
table.AddCell(headerCell);
// 加入資料
for (int i = 1; i < rows.Count; i++)
foreach (Cell cell in rows[i].Cells)
PdfPCell dataCell = new PdfPCell(new Phrase(cell.Value, font));
table.AddCell(dataCell);
// 將表格加入 PDF 文件
document.Add(table);
// 關閉文件
document.Close();
writer.Close();
Console.WriteLine("PDF 文件已建立完成。");
public static void CreateTable(List
rows, List cells, int rowCount, int columnCount)
// 建立表頭
Row headerRow = new Row();
for (int i = 0; i < columnCount; i++)
headerRow.Cells.Add(new Cell($"Header {i + 1}"));
rows.Add(headerRow);
// 建立資料列
for (int i = 0; i < rowCount; i++)
Row dataRow = new Row();
for (int j = 0; j < columnCount; j++)
int index = i * columnCount + j;
if (index < cells.Count)
dataRow.Cells.Add(cells[index]);
rows.Add(dataRow);
public class Row
public List Cells { get; set; }
public Row()
Cells = new List| ();
public class Cell
public string Value { get; set; }
public Cell(string value)
Value = value;
https://hackmd.io/dRoFmR2sSI-7-cugfQDZPw
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