Spire.doc jar包实现word文件添加水印demo

/**
 * @create: 2020-02-23 21:50
 */
import com.spire.doc.*;
import com.spire.doc.documents.WatermarkLayout;
import java.awt.*;
public class Main {
    public static void main(String[] args) {
     String inputFile="H:\\watermarkTemplate.doc";
     String outputFile="G:\\textWaterMark.docx";
     //open a Word document as template
     Document document = new Document(inputFile);
     //insert text watermark
     insertTextWatermark(document.getSections().get(0));
     //save to file
     document.saveToFile(outputFile, FileFormat.Docx);
    }
     private static void insertTextWatermark(Section section) {
      TextWatermark txtWatermark = new TextWatermark();
      txtWatermark.setText("yxf");
      txtWatermark.setFontSize(95);
      txtWatermark.setColor(Color.red);
      txtWatermark.setLayout(WatermarkLayout.Diagonal);
      section.getDocument().setWatermark(txtWatermark);
     }
 }