Java如何给Word文档添加多行文字水印

<repositories>
<repository>
<id>com.e-iceblue</id>
<url>http://repo.e-iceblue.cn/repository/maven-public/</url>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId> e-iceblue </groupId>
<artifactId>spire.doc.free</artifactId>
<version>2.7.3</version>
</dependency>
</dependencies>

import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import com.spire.doc.HeaderFooter;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.documents.ShapeLineStyle;
import com.spire.doc.documents.ShapeType;
import com.spire.doc.fields.ShapeObject;
import java.awt.*;
public class multiTextWatermark {
 public static void main(String[] args) {
  //加载示例文档
  Document doc = new Document();
  doc.loadFromFile("C:\\Users\\Test1\\Desktop\\Sample.docx");
  //添加艺术字并设置大小
  ShapeObject shape = new ShapeObject(doc, ShapeType.Text_Plain_Text);
  shape.setWidth(60);
  shape.setHeight(20);
  //设置艺术字文本内容、颜色，位置及样式
  shape.setVerticalPosition(30);
  shape.setHorizontalPosition(20);
  shape.setRotation(315);
  shape.getWordArt().setText("内部使用");
  shape.setFillColor(Color.green);
  shape.setLineStyle(ShapeLineStyle.Single);
  shape.setStrokeColor(new Color(192, 192, 192, 255));
  shape.setStrokeWeight(1);

  Section section;
  HeaderFooter header;
  for (int n = 0; n < doc.getSections().getCount(); n++) {
   section = doc.getSections().get(n);
   //获取section的页眉
   header = section.getHeadersFooters().getHeader();
   Paragraph paragraph1;
   for (int i = 0; i < 4; i++) {
    //添加段落到页眉
    paragraph1 = header.addParagraph();
    for (int j = 0; j < 3; j++) {
     //复制艺术字并设置多行多列位置
     shape = (ShapeObject) shape.deepClone();
     shape.setVerticalPosition(50 + 150 * i);
     shape.setHorizontalPosition(20 + 160 * j);
     paragraph1.getChildObjects().add(shape);
    }
   }
  }
  //保存文档
  doc.saveToFile("output/multi-lineTextwatermark.docx", FileFormat.Docx_2013);
 }
}