Add Header and Footer to DOCX file

add-header-footer-to-docx-java-apache-poi.java

// Create a new document 
XWPFDocument document = new XWPFDocument(); 
// 1. Adding Header 
XWPFHeader header = document.createHeader(XWPFHeaderFooterPolicy.DEFAULT); 
XWPFParagraph headerParagraph = header.createParagraph(); 
headerParagraph.setAlignment(ParagraphAlignment.CENTER); 
XWPFRun headerRun = headerParagraph.createRun(); 
headerRun.setText("This is the document header"); 
headerRun.setBold(true); 
// 2. Adding Footer 
XWPFFooter footer = document.createFooter(XWPFHeaderFooterPolicy.DEFAULT); 
XWPFParagraph footerParagraph = footer.createParagraph(); 
footerParagraph.setAlignment(ParagraphAlignment.CENTER); 
XWPFRun footerRun = footerParagraph.createRun(); 
footerRun.setText("This is the document footer - Page "); 
footerRun.setBold(true); 
// Add page numbers to the footer 
footerRun = footerParagraph.createRun(); 
footerRun.getCTR().addNewFldChar().setFldCharType(STFldCharType.BEGIN); 
// Start field 
footerRun = footerParagraph.createRun(); 
footerRun.setText("PAGE"); 
footerRun.getCTR().addNewInstrText().setStringValue("PAGE \\* MERGEFORMAT"); 
// Field instruction 
footerRun = footerParagraph.createRun(); 
footerRun.getCTR().addNewFldChar().setFldCharType(STFldCharType.SEPARATE); 
// Separate field footerRun = footerParagraph.createRun(); 
footerRun.getCTR().addNewFldChar().setFldCharType(STFldCharType.END); 
// End field 
// Add sample text to the body of the document 
XWPFParagraph bodyParagraph = document.createParagraph(); 
XWPFRun bodyRun = bodyParagraph.createRun(); 
bodyRun.setText("This is the main document body content."); 
// Save the document to a file 
try (FileOutputStream fos = new FileOutputStream("doc_with_header_footer.docx")) 
{ 
  document.write(fos); 
}