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  • java生产条形码

     
    一、通过JBarcode(此种方式可以隐藏掉条形码下面的字符串
     
    1.下载jar包  jbarcode-0.2.8.jar
     目前maven中央仓库并没有jbarcode的坐标
     如果是maven项目,需要我们自己上传jar包到自己的私服中并配置maven坐标
            <!--jbarcode-->
            <dependency>
                <groupId>org.jbarcode</groupId>
                <artifactId>JBarcode</artifactId>
                <version>0.2.8</version>
            </dependency>
     
    2.工具代码:
    package com.beiquan.tts.utils;
     
    import org.jbarcode.JBarcode;
    import org.jbarcode.encode.Code128Encoder;
    import org.jbarcode.encode.EAN13Encoder;
    import org.jbarcode.encode.InvalidAtributeException;
    import org.jbarcode.paint.BaseLineTextPainter;
    import org.jbarcode.paint.EAN13TextPainter;
    import org.jbarcode.paint.WidthCodedPainter;
     
    import javax.imageio.ImageIO;
    import java.awt.image.BufferedImage;
    import java.io.OutputStream;
     
    /**
    * Created by zhangboqing on 2017/5/24.
    */
    public class JBarCodeUtils {
     
     
        /**
         * 128条形码
         *
         * @param strBarCode
         *            条形码:0-100位
         * @param dimension
         *            商品条形码:尺寸
         * @param barheight
         *            商品条形码:高度
         * @return 图片(Base64编码)
         */
        public static void generateBarCode128(String strBarCode,String dimension,String barheight,OutputStream ous) {
     
     
            try {
                BufferedImage bi ;
                int len = strBarCode.length();
                JBarcode productBarcode = new JBarcode(Code128Encoder.getInstance(),
                        WidthCodedPainter.getInstance(),
                        EAN13TextPainter.getInstance());
     
                // 尺寸,面积,大小 密集程度
                productBarcode.setXDimension(Double.valueOf(dimension).doubleValue());
                // 高度 10.0 = 1cm 默认1.5cm
                productBarcode.setBarHeight(Double.valueOf(barheight).doubleValue());
                // 宽度
                productBarcode.setWideRatio(Double.valueOf(30).doubleValue());
    //                  是否显示字体
                productBarcode.setShowText(false);
    //                 显示字体样式
                productBarcode.setTextPainter(BaseLineTextPainter.getInstance());
     
                // 生成二维码
                bi = productBarcode.createBarcode(strBarCode);
     
                ImageIO.write(bi, "jpg", ous);
     
            } catch (Exception e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        }
     
     
     
     
     
        /**
         * 商品条形码
         * @param strBarCode
         *            商品条形码:13位
         * @param dimension
         *            商品条形码:尺寸
         * @param barheight
         *            商品条形码:高度
         * @return 图片(Base64编码)
         */
        public static void generateBarCode(String strBarCode,String dimension,String barheight,OutputStream ous) {
    //      isNumeric 是否是数值
    //      校验。。。。。
     
     
            try {
                BufferedImage bi ;
                int len = strBarCode.length();
                JBarcode productBarcode = new JBarcode(EAN13Encoder.getInstance(),
                        WidthCodedPainter.getInstance(),
                        EAN13TextPainter.getInstance());
     
                String barCode = strBarCode.substring(0, len - 1);
                String code = strBarCode.substring(len - 1, len);
     
                //校验13位
                String checkCode = productBarcode.calcCheckSum(barCode);
                if (!code.equals(checkCode)) {
                }
     
     
                // 尺寸,面积,大小
                productBarcode.setXDimension(Double.valueOf(dimension).doubleValue());
                // 高度 10.0 = 1cm 默认1.5cm
                productBarcode.setBarHeight(Double.valueOf(barheight).doubleValue());
                // 宽度
                productBarcode.setWideRatio(Double.valueOf(25).doubleValue());
     
                // 是否校验13位,默认false
                productBarcode.setShowCheckDigit(true);
     
                //显示字符串内容中是否显示检查码内容
    //          productBarcode.setShowCheckDigit(true);
     
                // 生成二维码
                bi = productBarcode.createBarcode(barCode);
     
                ImageIO.write(bi, "jpg", ous);
     
            } catch (Exception e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        }
     
        /**
         * @param args
         * @throws InvalidAtributeException
         */
        public static void main(String[] args) throws InvalidAtributeException {
     
        }
    }
     
     
     
    二、通过barcode4j
    1.配置maven 坐标
            <!--barcode4j-->
            <dependency>
                <groupId>net.sf.barcode4j</groupId>
                <artifactId>barcode4j-light</artifactId>
                <version>2.0</version>
            </dependency>
    2.工具代码:
    package com.beiquan.tts.utils;
     
    import org.apache.commons.lang.StringUtils;
    import org.krysalis.barcode4j.impl.code39.Code39Bean;
    import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
    import org.krysalis.barcode4j.tools.UnitConv;
     
    import java.awt.image.BufferedImage;
    import java.io.*;
     
    /**
    * Created by zhangboqing on 2017/5/23.
    */
    public class CreateBarCodeUtils {
     
     
        /**
         * 生成文件
         *
         * @param msg
         * @param path
         * @return
         */
        public static File generateFile(String msg, String path) {
            File file = new File(path);
            try {
                generate(msg, new FileOutputStream(file));
            } catch (FileNotFoundException e) {
                throw new RuntimeException(e);
            }
            return file;
        }
     
        /**
         * 生成字节
         *
         * @param msg
         * @return
         */
        public static byte[] generate(String msg) {
            ByteArrayOutputStream ous = new ByteArrayOutputStream();
            generate(msg, ous);
            return ous.toByteArray();
        }
     
        /**
         * 生成到流
         *
         * @param msg
         * @param ous
         */
        public static void generate(String msg, OutputStream ous) {
            if (StringUtils.isEmpty(msg) || ous == null) {
                return;
            }
     
            Code39Bean bean = new Code39Bean();
     
            // 精细度
            final int dpi = 150;
            // module宽度
            final double moduleWidth = UnitConv.in2mm(1.0f / dpi);
     
            // 配置对象
            bean.setModuleWidth(moduleWidth);
            bean.setWideFactor(3);
            bean.doQuietZone(false);
     
            String format = "image/png";
            try {
     
                // 输出到流
                BitmapCanvasProvider canvas = new BitmapCanvasProvider(ous, format, dpi,
                        BufferedImage.TYPE_BYTE_BINARY, false, 0);
     
                // 生成条形码
                bean.generateBarcode(canvas, msg);
     
                // 结束绘制
                canvas.finish();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
     
        public static void main(String[] args) {
            String msg = "123456789";
            String path = "barcode.png";
            generateFile(msg, path);
        }
    }
     
     
     
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  • 原文地址:https://www.cnblogs.com/756623607-zhang/p/6901902.html
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