Java添加Word文本水印和图片水印

import com.spire.doc.*;
import com.spire.doc.documents.WatermarkLayout;
import java.awt.*;

public class Main {

 public static void main(String[] args) {
  //加载测试文档
  Document document = new Document();
  document.loadFromFile("sample.docx");

  //插入文本水印
  InsertTextWatermark(document.getSections().get(0));

  //保存文档
  document.saveToFile("textwatermark.docx",FileFormat.Docx );
 }
  //自定义方法指定文本水印字样，并设置成水印
  private static void InsertTextWatermark(Section section){
   TextWatermark txtWatermark = new TextWatermark();
   txtWatermark.setText("内部使用");
   txtWatermark.setFontSize(40);
   txtWatermark.setColor(Color.red);
   txtWatermark.setLayout(WatermarkLayout.Diagonal);
   section.getDocument().setWatermark(txtWatermark);
  }
}

import com.spire.doc.*;

public class Main {

 public static void main(String[] args) {
  //加载测试文档
  Document document = new Document();
  document.loadFromFile("sample.docx");

  //加载需要设置成水印的图片
  PictureWatermark picture = new PictureWatermark();
  picture.setPicture("wx.png");
  picture.setScaling(5);
  picture.isWashout(false);

  //将图片设置成水印
  document.setWatermark(picture);
  
  //保存文档
   document.saveToFile("imagewatermark.docx",FileFormat.Docx ); 
 }
}