Java實現給Word檔案新增文字水印

<repositories>
        <repository>
            <id>com.e-iceblue</id>
            <url>https://repo.e-iceblue.cn/repository/maven-public/</url>
        </repository>
    </repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.doc.free</artifactId>
        <version>5.1.0</version>
    </dependency>
</dependencies>

import com.spire.doc.*;
import com.spire.doc.documents.*;
import com.spire.doc.fields.ShapeObject;

import java.awt.*;

public class DifferentTextWatermark {
    public static void main(String[] args) {
        //載入Word測試檔案
        Document doc = new Document();
        doc.loadFromFile("test.docx");

        //獲取檔案第一節
        Section section1 = doc.getSections().get(0);

        //定義水印文字的縱向座標位置
        float y = (float) (section1.getPageSetup().getPageSize().getHeight()/3);

        //新增文字水印1
        HeaderFooter header1 = section1.getHeadersFooters().getHeader();//獲取頁首
        header1.getParagraphs().clear();//刪除原有頁首格式的段落
        Paragraph para1= header1.addParagraph();//重新新增段落
        //新增藝術字並設定大小
        ShapeObject shape1 = new ShapeObject(doc, ShapeType.Text_Plain_Text);
        shape1.setWidth(362);
        shape1.setHeight(118);
        //設定藝術字文字內容、位置及樣式(即文字水印字樣）
        shape1.setRotation(315);
        shape1.getWordArt().setText("內部使用");
        shape1.setFillColor(new Color(128,128,128));
        shape1.setLineStyle(ShapeLineStyle.Single);
        shape1.setStrokeColor(new Color(128,128,128));
        shape1.setStrokeWeight(0.5);
        shape1.setVerticalPosition(y);
        shape1.setHorizontalAlignment(ShapeHorizontalAlignment.Center);
        para1.getChildObjects().add(shape1);

        //同理設定第二節頁首中的文字水印2
        Section section2 = doc.getSections().get(1);
        HeaderFooter header2 = section2.getHeadersFooters().getHeader();
        header2.getParagraphs().clear();
        Paragraph para2= header2.addParagraph();
        ShapeObject shape2 = new ShapeObject(doc, ShapeType.Text_Plain_Text);
        shape2.setWidth(362);
        shape2.setHeight(118);
        shape2.setRotation(315);
        shape2.getWordArt().setText("絕密資料");
        shape2.setFillColor(new Color(221,160,221));
        shape2.setLineStyle(ShapeLineStyle.Single);
        shape2.setStrokeColor(new Color(221,160,221));
        shape2.setStrokeWeight(0.5);
        shape2.setVerticalPosition(y);
        shape2.setHorizontalAlignment(ShapeHorizontalAlignment.Center);
        para2.getChildObjects().add(shape2);

        //同理設定第三節中的頁首中的文字水印3
        Section section3 = doc.getSections().get(2);
        HeaderFooter header3 = section3.getHeadersFooters().getHeader();
        header3.getParagraphs().clear();
        Paragraph para3= header3.addParagraph();
        ShapeObject shape3 = new ShapeObject(doc, ShapeType.Text_Plain_Text);
        shape3.setWidth(362);
        shape3.setHeight(118);
        shape3.setRotation(315);
        shape3.getWordArt().setText("禁止傳閱");
        shape3.setFillColor(new Color(70,130,180));
        shape3.setLineStyle(ShapeLineStyle.Single);
        shape3.setStrokeColor(new Color(70,130,180));
        shape3.setStrokeWeight(0.5);
        shape3.setVerticalPosition(y);
        shape3.setHorizontalAlignment(ShapeHorizontalAlignment.Center);
        para3.getChildObjects().add(shape3);

        //儲存檔案
        doc.saveToFile("DifferentTextWatermark.docx",FileFormat.Docx_2013);
        doc.dispose();
    }
}