使用java打印条形码

<dependency>
    <groupId>com.google.zxing</groupId>
    <artifactId>core</artifactId>
    <version>3.4.1</version>
</dependency>

import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.common.BitMatrix;

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;

public class BarcodePrinter {
    public static void main(String[] args) {
        String barcodeData = "1234567890"; // 条形码数据

        int width = 300; // 条形码宽度
        int height = 100; // 条形码高度

        // 设置条形码参数
        Map<EncodeHintType, Object> hints = new HashMap<>();
        hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");

        try {
            // 生成条形码矩阵
            BitMatrix matrix = new MultiFormatWriter().encode(barcodeData, BarcodeFormat.CODE_128, width, height, hints);

            // 创建BufferedImage对象，并设置背景色和前景色
            BufferedImage barcodeImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
            Graphics2D graphics = barcodeImage.createGraphics();
            graphics.setColor(Color.WHITE);
            graphics.fillRect(0, 0, width, height);
            graphics.setColor(Color.BLACK);

            // 绘制条形码
            for (int x = 0; x < width; x++) {
                for (int y = 0; y < height; y++) {
                    if (matrix.get(x, y)) {
                        graphics.fillRect(x, y, 1, 1);
                    }
                }
            }

            // 保存条形码图片
            File outputFile = new File("barcode.png");
            ImageIO.write(barcodeImage, "png", outputFile);

            System.out.println("条形码生成成功，保存路径：" + outputFile.getAbsolutePath());
        } catch (Exception e) {
            System.out.println("条形码生成失败：" + e.getMessage());
        }
    }
}