我无法获取代码以在页眉中添加Y的页码X。
You can do this by a PdfTemplate . First, you attach a PdfPageEventHelper to PdfWriter
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document,
new FileOutputStream("C:/path/to/pdf"));
writer.setPageEvent(new PageEventListener());
Then you define the class PageEventListener
to extend PdfPageEventHelper
. In that class you override onOpenDocument , onEndPage and onCloseDocument methods and you can add page number in the form X of Y using a PdfTemplate
. Details with working code available here , in chapter05 directory, MovieCountries1.java source.
Create a class like below one
public class HeaderAndFooter extends PdfPageEventHelper {
public void onEndPage (PdfWriter writer, Document document) {
Rectangle rect = writer.getBoxSize("art");
switch(writer.getPageNumber() % 2) {
case 0:
ColumnText.showTextAligned(writer.getDirectContent(),
Element.ALIGN_RIGHT, new Phrase("header"),
rect.getBorderWidthRight(), rect.getBorderWidthTop(), 0);
break;
case 1:
ColumnText.showTextAligned(writer.getDirectContent(),
Element.ALIGN_CENTER, new Phrase(String.format("%d", writer.getPageNumber())),
300f, 62f, 0);
break;
}
ColumnText.showTextAligned(writer.getDirectContent(),
Element.ALIGN_CENTER, new Phrase(String.format("%d", writer.getPageNumber())),
(2f + 4f) / 2, 2f - 18, 0);
}}
use below one in your generating pdf class
bytearrayoutputstream = new ByteArrayOutputStream();
Document document = new Document(PageSize.A4, 60, 60, 120, 80);
PdfWriter writer = PdfWriter.getInstance(document, bytearrayoutputstream );
HeaderAndFooter event = new HeaderAndFooter();
writer.setPageEvent(event);
document.open();
change header alignment width according to ur document height and width
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