java往word中添加水印，往excel中添加图片

通过aspose-words往word中添加水印

1、添加依赖

<dependency>
			<groupId>com.aspose</groupId>
			<artifactId>aspose-words</artifactId>
			<version>15.8.0</version>
			<scope>system</scope>
			<systemPath>${project.basedir}/lib/aspose-words-15.8.0-jdk16.jar</systemPath>
		</dependency>

在src/main/resources/下添加证书文件license.xml

<?xml version="1.0" encoding="UTF-8" ?>
<License>
    <Data>
        <Products>
            <Product>Aspose.Total for Java</Product>
            <Product>Aspose.Words for Java</Product>
        </Products>
        <EditionType>Enterprise</EditionType>
        <SubscriptionExpiry>20991231</SubscriptionExpiry>
        <LicenseExpiry>20991231</LicenseExpiry>
        <SerialNumber>8bfe198c-7f0c-4ef8-8ff0-acc3237bf0d7</SerialNumber>
    </Data>
    <Signature>sNLLKGMUdF0r8O1kKilWAGdgfs2BvJb/2Xp8p5iuDVfZXmhppo+d0Ran1P9TKdjV4ABwAgKXxJ3jcQTqE/2IRfqwnPf8itN8aFZlV3TJPYeD3yWE7IT55Gz6EijUpC7aKeoohTb4w2fpox58wWoF3SNp6sK6jDfiAUGEHYJ9pjU=</Signature>
</License>

2、工具类

import java.awt.Color;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Random;

import org.apache.poi.util.Units;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.apache.xmlbeans.XmlException;
import org.openxmlformats.schemas.drawingml.x2006.main.CTGraphicalObject;
import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTAnchor;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTDrawing;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import com.aspose.words.Document;
import com.aspose.words.HeaderFooter;
import com.aspose.words.HeaderFooterType;
import com.aspose.words.License;
import com.aspose.words.Node;
import com.aspose.words.Paragraph;
import com.aspose.words.SaveFormat;
import com.aspose.words.Section;
import com.aspose.words.Shape;
import com.aspose.words.ShapeType;

import lombok.extern.slf4j.Slf4j;


@Slf4j
public class WordUtil {

	 /**
     * 获取aspose证书
     */
    private static boolean getLicense() {
        boolean result = false;
        InputStream is = null;
        try {
            Resource resource = new ClassPathResource("license.xml");
            is = resource.getInputStream();
            License aposeLic = new License();
            aposeLic.setLicense(is);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return result;
    }
    
    /**
     * 给word添加水印，铺满文本
     * @param path word文件路径
     * @param text 水印文字
     * @throws Exception
     */
    public static void waterMark(String path, String text) throws Exception {
    	Document doc = new Document(path);
    	
    	Paragraph watermarkPara = new Paragraph(doc);
    	//需要根据文本长度修改每行个数
    	for(int i=0; i<4; i++) {
    		for(int j=0; j<2; j++) {
    			Shape watermark = new Shape(doc, ShapeType.TEXT_PLAIN_TEXT)