为pdf文档中的每个页面添加页脚 [英] add footer for each page in the pdf document

问题描述

我正在使用itextsharp创建一个pdf文件。我想在pdf文档中为每个页面添加页脚哪个显示页脚页码如第1页，共3页。任何人都可以告诉我该怎么做？

I am creating a pdf file using itextsharp. I want to add footer for each page in the pdf document Which Display Footer Page Number Like "Page 1 of 3". Can anyone tell me how can I do this?

推荐答案

看看以下博客： ^ ]



它说：

1.创建一个类继承自 PdfPageEventHelper

2.在此类中创建表并写入页脚内容。

Have a look at the following blog: How to add header and footer on pdf file using iTextSharp 5.1[^]

It says:
1. Create a class that in inherited by PdfPageEventHelper
2. Create table in this class and write footer content.

public partial class Footer : PdfPageEventHelper
{
public override void OnEndPage(PdfWriter writer, Document doc)
{
Paragraph footer= new Paragraph("THANK YOU", FontFactory.GetFont(FontFactory.TIMES, 10, iTextSharp.text.Font.NORMAL));
footer.Alignment = Element.ALIGN_RIGHT;
PdfPTable footerTbl = new PdfPTable(1);
footerTbl.TotalWidth = 300;
footerTbl.HorizontalAlignment = Element.ALIGN_CENTER;
PdfPCell cell = new PdfPCell(footer);
cell.Border = 0;
cell.PaddingLeft = 10;
footerTbl.AddCell(cell);
footerTbl.WriteSelectedRows(0, -1, 415, 30, writer.DirectContent);
}
}

3.此后

3. After this

Document document = new Document(PageSize.A4, 50, 50, 25, 25);
var output = new FileStream(Server.MapPath("Demo.pdf"), FileMode.Create);
PdfWriter writer = PdfWriter.GetInstance(document, output);
// Open the Document for writing
document.Open();
//using footer class
writer.PageEvent = new Footer();.
Paragraph welcomeParagraph = new Paragraph("Hello, World!");
document.Add(welcomeParagraph);
document.Close();

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