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1.pom引用：

<!-- 条形码工具类 -->
<dependency>
   <groupId>com.google.zxing</groupId>
   <artifactId>javase</artifactId>
   <version>3.3.0</version>
</dependency>

2.代码：

package com.f.common.util;
 
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.oned.Code128Writer;
import org.apache.commons.lang3.StringUtils;
import com.google.zxing.client.j2se.MatrixToImageWriter;
 
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
 
/**
 * @Description 谷歌条形码生成工具类
 * @Author FangYN
 * @Date 2020/6/9
 **/
public class GoogleBarCodeUtils {
 
    // 条形码宽度
    private static final int WIDTH = 300;
    // 条形码高度
    private static final int HEIGHT = 50;
    // 加文字 条形码
    private static final int WORD_HEIGHT = 75;
    // 设置 条形码参数
    private static Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>() {
        private static final long serialVersionUID = 1L;
 
        {
            put(EncodeHintType.CHARACTER_SET, "utf-8");// 设置编码方式
        }
    };
 
    /**
     * @param vaNumber VA 码
     * @return 返回BufferedImage  生成 图片缓冲
     */
    public static BufferedImage getBarCode(String vaNumber) {
        try {
            Code128Writer writer = new Code128Writer();
            // 编码内容, 编码类型, 宽度, 高度, 设置参数
            BitMatrix bitMatrix = writer.encode(vaNumber, BarcodeFormat.CODE_128, WIDTH, HEIGHT, hints);
            return MatrixToImageWriter.toBufferedImage(bitMatrix);
        } catch (WriterException e) {
            e.printStackTrace();
        }
        return null;
    }
 
    /**
     * @param image 条形码图片
     * @param words 文字
     * @return 返回BufferedImage  在带logo的二维码下面加上文字
     */
    public static BufferedImage insertWords(BufferedImage image, String words) {
        // 新的图片，把带logo的二维码下面加上文字
        if (StringUtils.isNotEmpty(words)) {
            BufferedImage outImage = new BufferedImage(WIDTH, WORD_HEIGHT, BufferedImage.TYPE_INT_RGB);
            Graphics2D g2d = outImage.createGraphics();
            // 抗锯齿
            setGraphics2D(g2d);
            // 设置白色
            setColorWhite(g2d);
            // 画条形码到新的面板
            g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
            // 画文字到新的面板
            Color color = new Color(0, 0, 0);
            g2d.setColor(color);
            // 字体、字型、字号
            g2d.setFont(new Font("微软雅黑", Font.PLAIN, 18));
            //文字长度
            int strWidth = g2d.getFontMetrics().stringWidth(words);
            //总长度减去文字长度的一半  （居中显示）
            int wordStartX = (WIDTH - strWidth) / 2;
            //height + (outImage.getHeight() - height) / 2 + 12
            int wordStartY = HEIGHT + 20;
 
            // 画文字
            g2d.drawString(words, wordStartX, wordStartY);
            g2d.dispose();
            outImage.flush();
            return outImage;
        }
        return null;
    }
 
    /**
     * 设置 Graphics2D 属性  （抗锯齿）
     *
     * @param g2d Graphics2D提供对几何形状、坐标转换、颜色管理和文本布局更为复杂的控制
     */
    private static void setGraphics2D(Graphics2D g2d) {
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_DEFAULT);
        Stroke s = new BasicStroke(1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER);
        g2d.setStroke(s);
    }
 
    /**
     * 设置背景为白色
     *
     * @param g2d Graphics2D提供对几何形状、坐标转换、颜色管理和文本布局更为复杂的控制
     */
    private static void setColorWhite(Graphics2D g2d) {
        g2d.setColor(Color.WHITE);
        //填充整个屏幕
        g2d.fillRect(0, 0, 600, 600);
        //设置笔刷
        g2d.setColor(Color.BLACK);
    }
 
    public static void main(String[] args) throws IOException {
        BufferedImage image = insertWords(getBarCode("A80/90R8A8A"), "A80/90R8A(test)");
        ImageIO.write(image, "jpg", new File("E:/Images/barcode.png"));
 
        // HttpServletResponse response;
        // response.setHeader("Cache-Control", "no-store, no-cache");
        // response.setContentType("image/jpeg");
        // ImageIO.write(image, "jpeg", response.getOutputStream());
    }
 
}

参考：

https://blog.csdn.net/fangyana/article/details/106635364