参考这个设置。
Java code?
baos = new ByteArrayOutputStream();
Document document = new Document(PageSize.A4, 60, 60, 120, 80);
PdfWriter writer = PdfWriter.getInstance(document, baos);
HeaderAndFooter event = new HeaderAndFooter();
writer.setPageEvent(event);
document.open();
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("even 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;
}
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