java 生成条形码

<!-- https://mvnrepository.com/artifact/net.sf.barcode4j/barcode4j-light -->
<dependency>
    <groupId>net.sf.barcode4j</groupId>
    <artifactId>barcode4j-light</artifactId>
    <version>2.0</version>
</dependency>

import org.apache.commons.lang3.StringUtils;
import org.krysalis.barcode4j.impl.code128.Code128Bean;
import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;

import java.awt.image.BufferedImage;
import java.io.*;

/**
 * 一维条形码类
 * @data 2019-05-07
 * @author pillar
 */
public class barCodeUtil {
    /**
     *具体实现
     * @param msg
     * @param path
     */
    public static void getBarCode(String msg,String path){
        try {
            File file=new File(path);
            OutputStream ous=new FileOutputStream(file);
            if(StringUtils.isEmpty(msg) || ous==null)
                return;
            //选择条形码类型(好多类型可供选择)
            Code128Bean bean=new Code128Bean();
            //设置长宽
            final double moduleWidth=0.20;
            final int resolution=150;
            bean.setModuleWidth(moduleWidth);
            bean.doQuietZone(false);
            String format = "image/png";
            // 输出流
            BitmapCanvasProvider canvas = new BitmapCanvasProvider(ous, format,
                resolution, BufferedImage.TYPE_BYTE_BINARY, false, 0);
            //生成条码
            bean.generateBarcode(canvas,msg);
            canvas.finish();
        }catch (IOException e) {
            throw new RuntimeException(e);
        }

    }

    public static void main(String[] args) {
        String msg = "pillar666";
        String path = "D:\\pillar\\pilar666.jpg";
        barCodeUtil.getBarCode(msg,path);
    }
}