iTextSharp 导出 PDF 文件

 引用DLL

using iTextSharp.text;
using iTextSharp.text.pdf;

创建表格PDF

private void CreateTablePdf(string fileName, string filePath, DataTable dt_tooling, string start, string end, string sType)
{
    //绝对路径创建PDF文件
    FileStream fs = new FileStream(filePath, FileMode.Create);

    //自定义宽高
    //Rectangle rec = new Rectangle(2000, 800);
    //每页宽高 A4纸横屏宽高 会按此高度自动分页
    float w = PageSize.A4.Rotate().Width;
    float h = PageSize.A4.Rotate().Height;
    Rectangle rec = new Rectangle(0, 0, w, h);
    //Rectangle rec = PageSize.A4.Rotate();

    //初始化文档 边距均为 0
    Document document = new Document(rec, 0f, 0f, 0f, 0f);

    PdfWriter pdfwriter = PdfWriter.GetInstance(document, fs);
    document.Open();

    var colCount = 27;
    var leftCount = 20;
    var rightCount = 7;
    PdfPTable pdftable = new PdfPTable(colCount);
    pdftable.HorizontalAlignment = 1;

    //设置列宽
    float[] cellwidth = {7f, 4.5f, 12f, 12f, 4.6f, 4.6f, 4.6f, 4.6f, 4.6f, 4.8f, 4.8f, 5.8f
                    , 4.5f, 4.5f, 4.5f, 4.5f, 5.8f
                    , 4.5f, 4.5f, 4.5f, 4.5f, 5.8f
                    , 4.5f, 4.5f, 4.5f, 4.5f, 5.8f };
    pdftable.SetWidths(cellwidth);
    //设置前4行作为每页的表头，每页重复
    pdftable.HeaderRows = 4;

    //添加表头  
    //定义字体
    Font pdffont_i = FontFactory.GetFont("Times New Roman", 14, Font.ITALIC);
    Font pdffont_b = FontFactory.GetFont("Arial", 22, Font.BOLD);

    //中文字体
    string fontpath = "C:\\WINDOWS\\FONTS\\msyh.ttf";
    if (!File.Exists(fontpath))
    {
        fontpath = "C:\\WINDOWS\\FONTS\\SIMYOU.TTF";
    }
    BaseFont baseFont = BaseFont.CreateFont(fontpath, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
    Font pdffont_ct = new iTextSharp.text.Font(baseFont, 14);
    Font pdffont_cb = new iTextSharp.text.Font(baseFont, 8);
    Font pdffont_c = new iTextSharp.text.Font(baseFont, 7);
    Font pdffont = FontFactory.GetFont("Arial", 6);

    //摘要信息 + 表头
    BuildTableHeader(start, end, sType, colCount, leftCount, rightCount, pdftable, pdffont_ct, pdffont_cb, pdffont_c);

    //写入数据
    for (int i = 0; i < dt_tooling.Rows.Count; i++)
    {
        foreach (DataColumn item in dt_tooling.Columns)
        {
            var use_font = pdffont;
            if (item.ColumnName == "工程" || item.ColumnName == "部位" || item.ColumnName == "标号")
            {
                use_font = pdffont_c;
            }
            var cellData = dt_tooling.Rows[i][item.ColumnName].ToString();
            if (string.IsNullOrEmpty(cellData))
            {
                cellData = "/";
            }
            PdfPCell cell = new PdfPCell(new Phrase(cellData, use_font));
            cell.HorizontalAlignment = 1;
            cell.VerticalAlignment = Element.ALIGN_CENTER;
            cell.PaddingTop = 4f;
            pdftable.AddCell(cell);
        }
    }

    document.Add(pdftable);
    document.Close();
    
    //pdf 下载
    //FileStream filestream = new FileStream(HttpContext.Current.Server.MapPath(savePath), FileMode.Open);
    //long filesize = filestream.Length;
    //var bytes = new byte[(int)filesize];
    //filestream.Read(bytes, 0, bytes.Length);
    //filestream.Close();

    ////删除生成的文件
    //File.Delete(HttpContext.Current.Server.MapPath(savePath));

    //HttpContext.Current.Response.ContentType = "application/octet-stream";
    //HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(pdfName, System.Text.Encoding.UTF8));
    //HttpContext.Current.Response.AddHeader("Content-Length", filesize.ToString());
    //HttpContext.Current.Response.BinaryWrite(bytes);
    //HttpContext.Current.Response.Flush();
    //HttpContext.Current.Response.End();
    //HttpContext.Current.Response.Close();
}

private static void BuildTableHeader(string start, string end, string sType, int colCount, int leftCount, int rightCount, PdfPTable pdftable, iTextSharp.text.Font pdffont_ct, iTextSharp.text.Font pdffont_cb, iTextSharp.text.Font pdffont_c)
{
    PdfPCell cell = new PdfPCell(new Phrase(("混凝土试件抗压记录"), pdffont_ct));
    cell.Colspan = colCount;
    cell.Padding = 5f;
    cell.Border = 0;
    cell.BackgroundColor = new BaseColor(0xFF, 0xFA, 0xCD);
    cell.HorizontalAlignment = iTextSharp.text.Element.ALIGN_CENTER;
    pdftable.AddCell(cell);

    cell = new PdfPCell(new Phrase("起始时间：" + start + "，截止时间：" + end + "，类型：" + sType + "\n", pdffont_cb));
    cell.Colspan = leftCount;
    cell.FixedHeight = 16f;
    cell.PaddingLeft = 6f;
    cell.Border = 0;
    cell.BackgroundColor = new BaseColor(0xFF, 0xFA, 0xCD);
    cell.HorizontalAlignment = iTextSharp.text.Element.ALIGN_LEFT;
    pdftable.AddCell(cell);

    cell = new PdfPCell(new Phrase("导出时间: " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "\n", pdffont_cb));
    cell.Colspan = rightCount;
    cell.FixedHeight = 16f;
    cell.Border = 0;
    cell.BackgroundColor = new BaseColor(0xFF, 0xFA, 0xCD);
    cell.HorizontalAlignment = 1;

    pdftable.AddCell(cell);

    List<string> tooling_header = new List<string>();
    string[] arrMain = { "编号", "成型日期", "工程", "部位", "标号", "水", "水泥", "矿粉", "煤灰", "砂", "石", "减水剂" };
    tooling_header.AddRange(arrMain);
    string[] arrInsp = { "试压日期", "强度值", "3d/Mpa", "试压日期", "强度值", "7d/Mpa", "试压日期", "强度值", "28d/Mpa" };
    string[] arrInsp1 = { "1", "2", "3", "强度", "1", "2", "3", "强度", "1", "2", "3", "强度" };
    tooling_header.AddRange(arrInsp);
    tooling_header.AddRange(arrInsp1);

    for (int i = 0; i < tooling_header.Count; i++)
    {
        string col = tooling_header[i];
        cell = new PdfPCell(new Phrase(col, pdffont_c));
        if (col == "强度值")
        {
            cell.Colspan = 3;
        }
        else if (col == "1" || col == "2" || col == "3" || col == "强度" || col.Contains("Mpa")) { }
        else
        {
            cell.Rowspan = 2;
        }

        cell.HorizontalAlignment = 1;
        cell.VerticalAlignment = Element.ALIGN_MIDDLE;
        cell.BackgroundColor = new BaseColor(0xC0, 0xC0, 0xC0);
        pdftable.AddCell(cell);
    }
}

 

 

 

 添加文档信息

/// <summary>
/// 设置页面大小、作者、标题等相关信息设置
/// </summary>
private void CreatePdfSetInfo()
{
    string fileName = string.Empty;
    //设置页面大小
    iTextSharp.text.Rectangle pageSize = new iTextSharp.text.Rectangle(216f, 716f);
    pageSize.BackgroundColor = new iTextSharp.text.BaseColor(0xFF, 0xFF, 0xDE);
    //设置边界
    Document document = new Document(pageSize, 36f, 72f, 108f, 180f);
    PdfWriter.GetInstance(document, new FileStream(fileName, FileMode.Create));
    // 添加文档信息
    document.AddTitle("压试块");
    document.AddSubject("Demo of PDFInfo");
    document.AddKeywords("Info, PDF, Demo");
    document.AddCreator("SetPdfInfoDemo");
    document.AddAuthor("同之杰");
    document.Open();
    // 添加文档内容
    for (int i = 0; i < 5; i++)
    {
        document.Add(new iTextSharp.text.Paragraph("Hello World! Hello People! " + "Hello Sky! Hello Sun! Hello Moon! Hello Stars!"));
    }
    document.Close();
}

空白换行

        //设置一个空白换行
        float normalLineHeight = 25f;
        Paragraph pBlank = new Paragraph(" ", normalFont);
        pBlank.Leading = normalLineHeight;
        document.Add(pBlank);

模板应用

public void AAA()
{
    string filename = DateTime.Now.ToString("yyyyMMddHHmmss").ToString() + ".pdf";
    var filePath = WebAppSettings.ErpUploadRootPath + "\\BizImages\\YaliJi\\" + filename;
    float w = PageSize.A4.Width; float h = PageSize.A4.Height;
    Rectangle rect = new Rectangle(0, 0, w, 3 * h);
    Document document = new Document(rect);
    PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(filePath, FileMode.Create));
    Rectangle crop = new Rectangle(0, 2 * h, w, 3 * h);
    writer.CropBoxSize = crop;
    document.Open();
    PdfContentByte content = writer.DirectContent;
    PdfTemplate template = content.CreateTemplate(rect.Width, rect.Height);
    template.SaveState();
    template.SetColorFill(new BaseColor(0xFF, 0xFA, 0xCD));
    template.Rectangle(0, 0, w, h);
    template.FillStroke();
    template.RestoreState();
    template.SaveState();
    template.SetColorFill(new BaseColor(0xFF, 0xFA, 0xCD));
    template.Rectangle(0, h, w, h);
    template.FillStroke();
    template.RestoreState();
    template.SaveState();
    template.SetColorFill(new BaseColor(0xFF, 0xFA, 0xCD));
    template.Rectangle(0, 2 * h, w, h / 2);
    template.FillStroke();
    template.RestoreState();

    content.AddTemplate(template, 1, 0, 0, -1, 0, rect.Height);
    crop = new Rectangle(0, h, w, 2 * h);
    writer.CropBoxSize = crop; document.NewPage();
    content.AddTemplate(template, 1, 0, 0, -1, 0, rect.Height);
    crop = new Rectangle(0, 0, w, h);
    writer.CropBoxSize = crop; document.NewPage();
    content.AddTemplate(template, 1, 0, 0, -1, 0, rect.Height);
    document.Close();
}

 

基础应用 ：ITextSharp使用说明