1 2 3 4 5 | < dependency > < groupId >net.sf.barcode4j</ groupId > < artifactId >barcode4j-light</ artifactId > < version >2.0</ version > </ dependency > |
package utils; import java.awt.image.BufferedImage;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStream; 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; /** * 條形碼工具類 * * @author tangzz * @createDate 2015年9月17日 * */public class BarcodeUtil { /** * 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; } /** * 生成字節(jié) * * @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(); // 精細(xì)度 final int dpi = 150; // module寬度 final double moduleWidth = UnitConv.in2mm(1.0f / dpi); // 配置對(duì)象 bean.setModuleWidth(moduleWidth); bean.setWideFactor(3); bean.doQuietZone(false); String format = "image/png"; try { // 輸出到流 BitmapCanvasProvider canvas = new BitmapCanvasProvider(ous, format, dpi, BufferedImage.TYPE_BYTE_BINARY, false, 0); // 生成條形碼 bean.generateBarcode(canvas, msg); // 結(jié)束繪制 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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