//font
Font font = new Font(BaseFont.CreateFont("font file path", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED), 24, Font.BOLD));
Document document = new Document(PageSize. A4);
document.SetMargins(55, 55, 38, 70);//Margin settings: left, right, top, bottom
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream("Full path and name of the generated PDF file", FileMode.Create));
SetFooter(writer);//Set footer (including header)
document. Open();
// Initialize header form
PdfPTable headTable = new PdfPTable(2)
{
HorizontalAlignment = (Element.ALIGN_CENTER),
WidthPercentage = (100)
};
headTable. SetWidths(new int[] { 55, 45 });
headTable.SpacingBefore = (20);
// title name
string title = "Title of PDF";
Chunk formChunk = new Chunk(title, font);
PdfPCell formCell = new PdfPCell(new Phrase(formChunk));
formCell.HorizontalAlignment = (Element.ALIGN_CENTER);
formCell. Border = (0);
formCell. Colspan = (2);
headTable.AddCell(formCell);
// add header form
document.Add(headTable);
PdfPTable blxxTab = CreateBlxxPdfTable();
document.Add(blxxTab);
// occupied height
float topHeight = headTable.TotalHeight + blxxTab.TotalHeight;
int pageCount = writer. PageNumber;
document. Close();
//Main content
private PdfPTable CreateBlxxPdfTable()
{
PdfPTable blxxTab = new PdfPTable(42);
blxxTab.HorizontalAlignment = (Element.ALIGN_CENTER);
blxxTab. WidthPercentage = (100);
blxxTab.SetWidths(new int[] { 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12 , 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 14, 15 });
blxxTab.SpacingBefore = (20);
//time
PdfPCell Lable = PdfPrintUtil.GetTableCell("Time", font, 0, qdTableRowMiniHeight);
Lable. BorderWidth = (1);
Lable.HorizontalAlignment = (Element.ALIGN_LEFT);
Lable.Border = (Rectangle.LEFT_BORDER); ;
Lable.DisableBorderSide(Rectangle.LEFT_BORDER);
Lable. Colspan = (3);
blxxTab. AddCell(Lable);
PdfPCell time = PdfPrintUtil.GetTableCell(DateTime.Now.ToString(), font, 0, qdTableRowMiniHeight);
time. Colspan = (39);
time. Border = (Rectangle. BOTTOM_BORDER);
blxxTab. AddCell(time);
return blxxTab;
}
/// <summary>
/// Set the footer
/// </summary>
/// <param name="writer"></param>
private void SetFooter(PdfWriter writer)
{
PdfHeaderFooter headerFooter = new PdfHeaderFooter();
writer.SetBoxSize("art", PageSize.A4);
writer.PageEvent = headerFooter;
}
using iTextSharp.text;
using iTextSharp.text.pdf;
using System;
using System.Collections.Generic;
using System.IO;
using System. Linq;
using System. Text;
public class PdfHeaderFooter : PdfPageEventHelper
{
/**
* header
*/
public String header = "";
/**
* The font size of the document, the footer header should preferably be the same size as the text
*/
public int presentFontSize = 15;
/**
* Document page size, it is best to pass it in front, otherwise the default is A4 paper
*/
public Rectangle pageSize = PageSize.A4;
// template
public PdfTemplate total;
// base font object
public BaseFont bf = null;
// The font object generated by using the basic font is generally used to generate Chinese text
public Font fontDetail = null;
/**
*
* Creates a new instance of PdfReportM1HeaderFooter No parameter construction method.
*
*/
public PdfReportM1HeaderFooter()
{
}
/**
*
* Creates a new instance of PdfReportM1HeaderFooter construction method.
*
* @param yeMei
* header string
* @param presentFontSize
* Data body font size
* @param pageSize
* Rectangle objects such as page document size, A4, A5, A6 horizontal flipping, etc.
*/
public PdfReportM1HeaderFooter(String yeMei, int presentFontSize, Rectangle pageSize)
{
this.header = yeMei;
this.presentFontSize = presentFontSize;
this.pageSize = pageSize;
}
public void setHeader(String header)
{
this. header = header;
}
public void SetPresentFontSize(int presentFontSize)
{
this.presentFontSize = presentFontSize;
}
/**
*
* TODO create template when document is opened
*
* @see com.itextpdf.text.pdf.PdfPageEventHelper#onOpenDocument(com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
*/
public override void OnOpenDocument(PdfWriter writer, Document document)
{
total = writer.DirectContent.CreateTemplate(50, 50);//The length, width and height of the rectangle in total pages
}
/**
*
* TODO When closing each page, write
*
* @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
*/
public override void OnEndPage(PdfWriter writer, Document document)
{
float y = 20;
if (bf == null)
{
bf = new Font(BaseFont.CreateFont("font file path", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED), 24, Font.BOLD));
}
if (fontDetail == null)
{
fontDetail = new Font(BaseFont.CreateFont("font file path", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED), 24, Font.BOLD));
}
// 1. Write header
ColumnText.ShowTextAligned(writer.DirectContent, Element.ALIGN_LEFT, new Phrase(header, fontDetail), document.Left, document.Top + 20, 0);
// 2. Write to page X/total
int pageS = writer. PageNumber;
String foot3 = "The first " + pageS + " page total";
Phrase footer3 = new Phrase(foot3, fontDetail);
// 3. Calculate the length of foot1 in the first half, and then locate the x-axis coordinates of the words 'Y page' in the last part, and the font length should also be calculated = len
float len = bf. GetWidthPoint(foot3, presentFontSize);
// 4. Get the current PdfContentByte
PdfContentByte cb = writer. DirectContent;
//Add horizontal lines up and down
var line = new iTextSharp.text.pdf.draw.LineSeparator(1F, (document.Right - document.LeftMargin) * -1, Color.BLACK, Element.ALIGN_LEFT, 7F);
if (pageS > 1)
{
line = new iTextSharp.text.pdf.draw.LineSeparator(1F, (document.Right - document.LeftMargin) * -1, Color.BLACK, Element.ALIGN_LEFT, 7.5F);
var lineTop = new iTextSharp.text.pdf.draw.LineSeparator(1.5F, (document.Right - document.LeftMargin) * -1, Color.BLACK, Element.ALIGN_LEFT, 0F);
Paragraph pTop = new Paragraph(new Chunk(lineTop));
ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, pTop, document.LeftMargin, document.Top, 0);//First horizontal line
}
Paragraph p = new Paragraph(new Chunk(line));
ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, p, document.LeftMargin, document.BottomMargin, 0);//footer horizontal line
// 5. Write in footer 1, the x-axis is (right margin + left margin + right() -left()- len)/2.0F and offset 20F to suit human visual experience, otherwise it will look too biased to the naked eye On the left, the y-axis is the bottom boundary -20, otherwise the border will overlap into the data body and it will not be the footer; note that the Y-axis is accumulated from bottom to top, and the Top value at the top is hundreds of times larger than Bottom of.
ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, footer3, document.Right - 165 + document.LeftMargin, y, 0);
// 6. Add the template written in footer 2 (that is, the word Y page of the footer) to the document, and calculate the sum of the template and the Y axis, X=(right border-left border-len value of the first half)/ 2.0F + len , the y axis remains the same as before, and the bottom boundary is -20
cb.AddTemplate(total, document.Right - 165 + document.LeftMargin + len, y); // adjust the display position of the template
if (pageS > 0)
{
QrCodePath = Path.Combine(HTKApp.RunFolder, AppPath.TmpDir, $"{HTKApp.RandomSn}.png");
MakeQrCode.GetBlBarCodeFilePath(QrCodePath, Bllx, BlxxId, pageS, 150, 150);
if (File. Exists(QrCodePath))
{
try
{
Image image = Image. GetInstance(QrCodePath);
image. SetDpi(1000, 1000);
image.ScaleToFit(65, 65);
image. SetAbsolutePosition(490f, 25f);
cb.AddImage(image);
}
catch (Exception)
{
}
}
}
}
/**
*
* TODO When closing the document, replace the template and complete the entire header and footer components
*
* @see com.itextpdf.text.pdf.PdfPageEventHelper#onCloseDocument(com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
*/
public override void OnCloseDocument(PdfWriter writer, Document document)
{
// 7. The last step is to replace the template with the actual Y value when closing the document. So far, the page x of y has been made, which is perfectly compatible with various document sizes.
total. BeginText();
total.SetFontAndSize(bf, presentFontSize);// The font and color of the generated template
String foot2 = " " + (writer. PageNumber - 1) + "page";
total.ShowText(foot2);// The content displayed by the template
total. EndText();
total. ClosePath();
}
}