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1：jar包 <!-- itextpdf--> <dependency> <groupId>com.itextpdf</groupId> <artifactId>itext-asian</artifactId> <version>5.2.0</version> </dependency>

工具类WaterMarkUtils 字体 大小可改。import lombok.extern.slf4j.Slf4j;import javax.imageio.ImageIO;import java.awt.*;import java.awt.image.BufferedImage;import java.io.File;import java.io.FileOutputStream;/** * <p>给图片添加文字水印</p> * * @Author: 作者：

package com.ebj.wwk.core.toolbox.utils;import com.alibaba.fastjson.JSON;import com.fasterxml.jackson.core.type.TypeReference;import com.fasterxml.jackson.databind.DeserializationFeature;import com.fasterxml.jackson.databind.ObjectMapper;import lombok