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C＃ 利用iTextSharp画PDF
2022-08-09 06:20:00 【喜欢看剧的小菇凉】
利用iTextSharp画PDF
友情提示：以下画PDF的代码是先创建PDF文件，然后往PDF里填充数据，如果不符合业务需求的，可以滑过
1、首先，添加iTextSharp包
2、添加PDF基类，供添加页脚、页眉、水印等
/// <summary>
/// Pdf处理基类
/// </summary>
public class PDFBase : PdfPageEventHelper
{
#region 属性
private String _fontFilePathForHeaderFooter = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Fonts), "SIMHEI.TTF");
/// <summary>
/// 页眉/页脚所用的字体
/// </summary>
public String FontFilePathForHeaderFooter
{
get
{
return _fontFilePathForHeaderFooter;
}
set
{
_fontFilePathForHeaderFooter = value;
}
}
private String _fontFilePathForBody = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Fonts), "SIMSUN.TTC,1");
/// <summary>
/// 正文内容所用的字体
/// </summary>
public String FontFilePathForBody
{
get {
return _fontFilePathForBody; }
set {
_fontFilePathForBody = value; }
}
private PdfPTable _header;
/// <summary>
/// 页眉
/// </summary>
public PdfPTable Header
{
get {
return _header; }
private set {
_header = value; }
}
private PdfPTable _footer;
/// <summary>
/// 页脚
/// </summary>
public PdfPTable Footer
{
get {
return _footer; }
private set {
_footer = value; }
}
private BaseFont _baseFontForHeaderFooter;
/// <summary>
/// 页眉页脚所用的字体
/// </summary>
public BaseFont BaseFontForHeaderFooter
{
get {
return _baseFontForHeaderFooter; }
set {
_baseFontForHeaderFooter = value; }
}
private BaseFont _baseFontForBody;
/// <summary>
/// 正文所用的字体
/// </summary>
public BaseFont BaseFontForBody
{
get {
return _baseFontForBody; }
set {
_baseFontForBody = value; }
}
private Document _document;
/// <summary>
/// PDF的Document
/// </summary>
public Document Document
{
get {
return _document; }
private set {
_document = value; }
}
#endregion
public override void OnOpenDocument(PdfWriter writer, Document document)
{
try
{
BaseFontForHeaderFooter = BaseFont.CreateFont(FontFilePathForHeaderFooter, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
BaseFontForBody = BaseFont.CreateFont(FontFilePathForBody, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
Document = document;
}
catch (DocumentException de)
{
}
catch (System.IO.IOException ioe)
{
}
}
#region GenerateHeader
/// <summary>
/// 生成页眉
/// </summary>
/// <param name="writer"></param>
/// <returns></returns>
public virtual PdfPTable GenerateHeader(iTextSharp.text.pdf.PdfWriter writer)
{
return null;
}
#endregion
#region GenerateFooter
/// <summary>
/// 生成页脚
/// </summary>
/// <param name="writer"></param>
/// <returns></returns>
public virtual PdfPTable GenerateFooter(iTextSharp.text.pdf.PdfWriter writer)
{
BaseFont baseFont = BaseFontForHeaderFooter;
iTextSharp.text.Font font = new iTextSharp.text.Font(baseFont, 10, iTextSharp.text.Font.NORMAL);
PdfPTable footer = new PdfPTable(3);
AddFooterCell(footer, "甲方项目经理:", font);
AddFooterCell(footer, "乙方代表：:", font);
AddFooterCell(footer, "日期：", font);
return footer;
}
private void AddFooterCell(PdfPTable foot, String text, iTextSharp.text.Font font)
{
PdfPCell cell = new PdfPCell();
cell.BorderWidthTop = 2;
cell.BorderWidthRight = 0;
cell.BorderWidthBottom = 0;
cell.BorderWidthLeft = 0;
cell.Phrase = new Phrase(text, font);
cell.HorizontalAlignment = iTextSharp.text.Element.ALIGN_CENTER;
foot.AddCell(cell);
}
#endregion
public override void OnEndPage(iTextSharp.text.pdf.PdfWriter writer, iTextSharp.text.Document document)
{
base.OnEndPage(writer, document);
输出页眉
//Header = GenerateHeader(writer);
//Header.TotalWidth = document.PageSize.Width - 20f;
/调用PdfTable的WriteSelectedRows方法。该方法以第一个参数作为开始行写入。
/第二个参数-1表示没有结束行，并且包含所写的所有行。
/第三个参数和第四个参数是开始写入的坐标x和y.
//Header.WriteSelectedRows(0, -1, 10, document.PageSize.Height - 20, writer.DirectContent);
//输出页脚
Footer = GenerateFooter(writer);
Footer.TotalWidth = document.PageSize.Width - 20f;
Footer.WriteSelectedRows(0, -1, 10, document.PageSize.GetBottom(60), writer.DirectContent);
}
}
3、根据后台查出的数据画出PDF
///友情提示：在代码画PDF之前，最好自己先手动做一个范本（Excel），然后根据对应的行和列，代码画出
[AllowAnonymous]
public string BuildPdf(int srqrID)
{
//获取数据
var srqr = SRQR.getInfoByID(srqrID);
var errMSG = "";
try
{
if (srqr != null && srqr.ID > 0)
{
//文件保存路径为当前程序的路径+日期+文件名称
var urlHelper = new UrlHelper(this.Request.RequestContext);
string hostPath = urlHelper.Content("~/");
var dt = DateTime.Now;
string fileHost = Server.MapPath("/") + "doc\\SRQRAttachments\\" + dt.ToString("yyyyMMdd") + "\\";
if (!Directory.Exists(fileHost))
{
Directory.CreateDirectory(fileHost);
}
string fileName = string.Format("{0}-{1}.pdf", "收入确认单审批表", srqr.DJBH);//文件名称
string filePath = fileHost + fileName;//文件路径
string title = string.Format("收入确认单审批表");
BaseFont bf = BaseFont.CreateFont(@"C:\Windows\Fonts\SIMHEI.TTF", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
BaseFont fs = BaseFont.CreateFont(@"C:\Windows\Fonts\SIMFANG.TTF", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
Font fonta = new Font(bf, 20, Font.BOLD, BaseColor.BLACK);
Font fontb = new Font(bf, 12, Font.NORMAL, BaseColor.BLACK);
Font fontc = new Font(fs, 20, Font.BOLD, BaseColor.BLACK);
Rectangle pageSize = new Rectangle(1600, 1000);
Document document = new Document(pageSize, 20, 20, 50, 80);
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(filePath, FileMode.Create));
writer.PageEvent = new PDFBase();
document.Open();
Paragraph p1 = new Paragraph(title, fontc);
p1.Alignment = Element.ALIGN_CENTER;
document.Add(p1);
Paragraph p2 = new Paragraph(" ", fontc);
p2.Alignment = Element.ALIGN_CENTER;
document.Add(p2);
document.AddTitle(title);
//设置列的宽度，要画的PDF有多少列，就写多少个
PdfPTable table = new PdfPTable(new float[] {
20, 10, 10, 10, 10, 10, 10, 20, 10, 10, 10, 20, 10, 10, 10, 10 });
table.TotalWidth = 1200;
table.LockedWidth = true;
#region 第一行
PdfPCell row1_Cell1 = new PdfPCell(new Paragraph("单据内码", fontc));
row1_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row1_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row1_Cell1);
PdfPCell row1_Cell1_value = new PdfPCell(new Paragraph(srqr.DJNM, fontb));
row1_Cell1_value.HorizontalAlignment = Element.ALIGN_CENTER;
row1_Cell1_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row1_Cell1_value.Colspan = 6;
table.AddCell(row1_Cell1_value);
PdfPCell row1_Cell2 = new PdfPCell(new Paragraph("单据编号", fontc));
row1_Cell2.HorizontalAlignment = Element.ALIGN_CENTER;
row1_Cell2.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row1_Cell2);
PdfPCell row1_Cell2_value = new PdfPCell(new Paragraph(srqr.DJBH, fontb));
row1_Cell2_value.HorizontalAlignment = Element.ALIGN_CENTER;
row1_Cell2_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row1_Cell2_value.Colspan = 3;
table.AddCell(row1_Cell2_value);
PdfPCell row1_Cell3 = new PdfPCell(new Paragraph("行政组织", fontc));
row1_Cell3.HorizontalAlignment = Element.ALIGN_CENTER;
row1_Cell3.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row1_Cell3);
PdfPCell row1_Cell3_value = new PdfPCell(new Paragraph(srqr.XZZZName, fontb));
row1_Cell3_value.HorizontalAlignment = Element.ALIGN_CENTER;
row1_Cell3_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row1_Cell3_value.Colspan = 4;
table.AddCell(row1_Cell3_value);
#endregion
#region 第二行
PdfPCell row2_Cell1 = new PdfPCell(new Paragraph("行政部门", fontc));
row2_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row2_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row2_Cell1);
PdfPCell row2_Cell1_value = new PdfPCell(new Paragraph(srqr.XZBMName, fontb));
row2_Cell1_value.HorizontalAlignment = Element.ALIGN_CENTER;
row2_Cell1_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row2_Cell1_value.Colspan = 6;
table.AddCell(row2_Cell1_value);
PdfPCell row2_Cell2 = new PdfPCell(new Paragraph("所属单位", fontc));
row2_Cell2.HorizontalAlignment = Element.ALIGN_CENTER;
row2_Cell2.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row2_Cell2);
PdfPCell row2_Cell2_value = new PdfPCell(new Paragraph(srqr.OwnerDeptName, fontb));
row2_Cell2_value.HorizontalAlignment = Element.ALIGN_CENTER;
row2_Cell2_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row2_Cell2_value.Colspan = 3;
table.AddCell(row2_Cell2_value);
PdfPCell row2_Cell3 = new PdfPCell(new Paragraph("所属部门", fontc));
row2_Cell3.HorizontalAlignment = Element.ALIGN_CENTER;
row2_Cell3.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row2_Cell3);
PdfPCell row2_Cell3_value = new PdfPCell(new Paragraph(srqr.OwnerProName, fontb));
row2_Cell3_value.HorizontalAlignment = Element.ALIGN_CENTER;
row2_Cell3_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row2_Cell3_value.Colspan = 4;
table.AddCell(row2_Cell3_value);
#endregion
#region 第三行
PdfPCell row3_Cell1 = new PdfPCell(new Paragraph("收入类型", fontc));
row3_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row3_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row3_Cell1);
PdfPCell row3_Cell1_value = new PdfPCell(new Paragraph(srqr.SRLXName, fontb));
row3_Cell1_value.HorizontalAlignment = Element.ALIGN_CENTER;
row3_Cell1_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row3_Cell1_value.Colspan = 6;
table.AddCell(row3_Cell1_value);
PdfPCell row3_Cell2 = new PdfPCell(new Paragraph("纳税人类型", fontc));
row3_Cell2.HorizontalAlignment = Element.ALIGN_CENTER;
row3_Cell2.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row3_Cell2);
PdfPCell row3_Cell2_value = new PdfPCell(new Paragraph(srqr.NSRLXName, fontb));
row3_Cell2_value.HorizontalAlignment = Element.ALIGN_CENTER;
row3_Cell2_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row3_Cell2_value.Colspan = 3;
table.AddCell(row3_Cell2_value);
PdfPCell row3_Cell3 = new PdfPCell(new Paragraph("是否主营", fontc));
row3_Cell3.HorizontalAlignment = Element.ALIGN_CENTER;
row3_Cell3.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row3_Cell3);
PdfPCell row3_Cell3_value = new PdfPCell(new Paragraph(srqr.SFZYName, fontb));
row3_Cell3_value.HorizontalAlignment = Element.ALIGN_CENTER;
row3_Cell3_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row3_Cell3_value.Colspan = 4;
table.AddCell(row3_Cell3_value);
#endregion
#region 第四行
PdfPCell row4_Cell1 = new PdfPCell(new Paragraph("制单人", fontc));
row4_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row4_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row4_Cell1);
PdfPCell row4_Cell1_value = new PdfPCell(new Paragraph(srqr.ZDRName, fontb));
row4_Cell1_value.HorizontalAlignment = Element.ALIGN_CENTER;
row4_Cell1_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row4_Cell1_value.Colspan = 6;
table.AddCell(row4_Cell1_value);
PdfPCell row4_Cell2 = new PdfPCell(new Paragraph("单据日期", fontc));
row4_Cell2.HorizontalAlignment = Element.ALIGN_CENTER;
row4_Cell2.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row4_Cell2);
PdfPCell row4_Cell2_value = new PdfPCell(new Paragraph((srqr.DJRQ != null ? srqr.DJRQ.Value.ToString("yyyy-MM-dd") : ""), fontb));
row4_Cell2_value.HorizontalAlignment = Element.ALIGN_CENTER;
row4_Cell2_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row4_Cell2_value.Colspan = 3;
table.AddCell(row4_Cell2_value);
PdfPCell row4_Cell3 = new PdfPCell(new Paragraph("单据状态", fontc));
row4_Cell3.HorizontalAlignment = Element.ALIGN_CENTER;
row4_Cell3.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row4_Cell3);
PdfPCell row4_Cell3_value = new PdfPCell(new Paragraph(srqr.DJZTName, fontb));
row4_Cell3_value.HorizontalAlignment = Element.ALIGN_CENTER;
row4_Cell3_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row4_Cell3_value.Colspan = 4;
table.AddCell(row4_Cell3_value);
#endregion
#region 第五行
PdfPCell row5_Cell1 = new PdfPCell(new Paragraph("本位币币种", fontc));
row5_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row5_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row5_Cell1);
PdfPCell row5_Cell1_value = new PdfPCell(new Paragraph(srqr.BWBName, fontb));
row5_Cell1_value.HorizontalAlignment = Element.ALIGN_CENTER;
row5_Cell1_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row5_Cell1_value.Colspan = 6;
table.AddCell(row5_Cell1_value);
PdfPCell row5_Cell2 = new PdfPCell(new Paragraph("计税方式", fontc));
row5_Cell2.HorizontalAlignment = Element.ALIGN_CENTER;
row5_Cell2.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row5_Cell2);
PdfPCell row5_Cell2_value = new PdfPCell(new Paragraph(srqr.JSFSName, fontb));
row5_Cell2_value.HorizontalAlignment = Element.ALIGN_CENTER;
row5_Cell2_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row5_Cell2_value.Colspan = 3;
table.AddCell(row5_Cell2_value);
PdfPCell row5_Cell3 = new PdfPCell(new Paragraph("收入确认金额", fontc));
row5_Cell3.HorizontalAlignment = Element.ALIGN_CENTER;
row5_Cell3.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row5_Cell3);
PdfPCell row5_Cell3_value = new PdfPCell(new Paragraph((srqr.SRQRJEBB ?? 0) == 0 ? "" : srqr.SRQRJEBB.Value.ToString("F2"), fontb));
row5_Cell3_value.HorizontalAlignment = Element.ALIGN_CENTER;
row5_Cell3_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row5_Cell3_value.Colspan = 4;
table.AddCell(row5_Cell3_value);
#endregion
#region 第六行
PdfPCell row6_Cell1 = new PdfPCell(new Paragraph("附件张数", fontc));
row6_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row6_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(row6_Cell1);
PdfPCell row6_Cell1_value = new PdfPCell(new Paragraph((srqr.DJFJZS ?? 0).ToString(), fontb));
row6_Cell1_value.HorizontalAlignment = Element.ALIGN_CENTER;
row6_Cell1_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row6_Cell1_value.Colspan = 6;
table.AddCell(row6_Cell1_value);
#endregion
#region 第七行
PdfPCell row7_Cell1 = new PdfPCell(new Paragraph("单据摘要", fontc));
row7_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row7_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
row7_Cell1.Rowspan = 2;
table.AddCell(row7_Cell1);
PdfPCell row7_Cell1_value = new PdfPCell(new Paragraph(srqr.DJZY, fontb));
row7_Cell1_value.HorizontalAlignment = Element.ALIGN_LEFT;
row7_Cell1_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row7_Cell1_value.Colspan = 15;
row7_Cell1_value.Rowspan = 2;
table.AddCell(row7_Cell1_value);
#endregion
#region 第八行
PdfPCell row8_Cell1 = new PdfPCell(new Paragraph("报账事由", fontc));
row8_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row8_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
row8_Cell1.Rowspan = 2;
table.AddCell(row8_Cell1);
PdfPCell row8_Cell1_value = new PdfPCell(new Paragraph(srqr.BZSY, fontb));
row8_Cell1_value.HorizontalAlignment = Element.ALIGN_LEFT;
row8_Cell1_value.VerticalAlignment = Element.ALIGN_MIDDLE;
row8_Cell1_value.Colspan = 15;
row8_Cell1_value.Rowspan = 2;
table.AddCell(row8_Cell1_value);
#endregion
var workerList = Wf_QueryDAL.Wf_GetEffectiveTrackList(srqr.WorkID ?? 0);
if (workerList != null && workerList.Count > 0)
{
#region 第九行
PdfPCell row9_Cell1 = new PdfPCell(new Paragraph("审批记录", fontc));
row9_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
row9_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
row9_Cell1.Colspan = 16;
table.AddCell(row9_Cell1);
#endregion
foreach (var item in workerList)
{
#region 审批处理人相关
PdfPCell spRow_Cell1 = new PdfPCell(new Paragraph(item.NDFromT, fontc));
spRow_Cell1.HorizontalAlignment = Element.ALIGN_CENTER;
spRow_Cell1.VerticalAlignment = Element.ALIGN_MIDDLE;
table.AddCell(spRow_Cell1);
PdfPCell spRow_Cell2 = new PdfPCell(new Paragraph(item.EmpFromT, fontb));
spRow_Cell2.HorizontalAlignment = Element.ALIGN_CENTER;
spRow_Cell2.VerticalAlignment = Element.ALIGN_MIDDLE;
spRow_Cell2.Colspan = 6;
table.AddCell(spRow_Cell2);
PdfPCell spRow_Cell3 = new PdfPCell(new Paragraph(item.NodeData, fontb));
spRow_Cell3.HorizontalAlignment = Element.ALIGN_CENTER;
spRow_Cell3.VerticalAlignment = Element.ALIGN_MIDDLE;
spRow_Cell3.Colspan = 4;
table.AddCell(spRow_Cell3);
PdfPCell spRow_Cell4 = new PdfPCell(new Paragraph(item.RDT.Substring(0, 10), fontb));
spRow_Cell4.HorizontalAlignment = Element.ALIGN_CENTER;
spRow_Cell4.VerticalAlignment = Element.ALIGN_MIDDLE;
spRow_Cell4.Colspan = 5;
table.AddCell(spRow_Cell4);
#endregion
}
}
document.Add(table);
document.Close();
writer.Close();
//给PDF加水印
// SetWatermark(filePath, "这是水印");
//如果需要单独保存附件的一些信息，比如大小等，可利用FileInfo
//FileInfo fileInfo = new FileInfo(filePath);
}
}
catch (Exception ex)
{
//对异常进行处理
}
return errMSG;
}
4、加水印
/// <summary>
/// 给PDF加水印
/// </summary>
/// <param name="outputfilepath">PDF路径</param>
/// <param name="waterMarkName">需要加的水印</param>
/// <returns></returns>
private void SetWatermark(string outputfilepath, string waterMarkName)
{
PdfReader pdfReader = null;
PdfStamper pdfStamper = null;
try
{
pdfReader = new PdfReader(outputfilepath);
pdfStamper = new PdfStamper(pdfReader, new FileStream(outputfilepath, FileMode.Create));
// 设置密码
//pdfStamper.SetEncryption(false,userPassWord, ownerPassWord, permission);
int total = pdfReader.NumberOfPages + 1;
PdfContentByte content;
BaseFont font = BaseFont.CreateFont(@"C:\WINDOWS\Fonts\SIMFANG.TTF", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
PdfGState gs = new PdfGState();
gs.FillOpacity = 0.3f;//透明度
int waterMarkNameLenth = waterMarkName.Length;
char c;
int rise = 0;
int span = 15;
int fontSize = 20;
int height = 500;
int width = 1800;
string spanString = " ";//水平位移
for (int i = 1; i < total; i++)
{
rise = waterMarkNameLenth * span;
//content = pdfStamper.GetOverContent(i);//在内容上方加水印
content = pdfStamper.GetUnderContent(i);//在内容下方加水印
content.SetGState(gs);
content.BeginText();
content.SetColorFill(BaseColor.DARK_GRAY);
content.SetFontAndSize(font, fontSize);
int heightNumbert = (int)Math.Ceiling((decimal)height / (decimal)rise);//垂直重复的次数，进一发
int panleWith = (fontSize + span) * waterMarkNameLenth;
int widthNumber = (int)Math.Ceiling((decimal)width / (decimal)panleWith);//水平重复次数
// 设置水印文字字体倾斜 开始
for (int w = 0; w < widthNumber; w++)
{
for (int h = 1; h <= heightNumbert; h++)
{
int yleng = rise * h;
content.SetTextMatrix(w * panleWith, yleng);//x,y设置水印开始的绝对左边，以左下角为x，y轴的起点
for (int k = 0; k < waterMarkNameLenth; k++)
{
content.SetTextRise(yleng);//指定的y轴值处添加
c = waterMarkName[k];
content.ShowText(c + spanString);
yleng -= span;
}
}
}
content.EndText();
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (pdfStamper != null)
pdfStamper.Close();
if (pdfReader != null)
pdfReader.Close();
}
}
5、效果
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