第一种方法：

public String getJbarcode(String barCode){

String barCodePath = "";

        try {  

            JBarcode localJBarcode = new JBarcode(EAN13Encoder.getInstance(),WidthCodedPainter.getInstance(),EAN13TextPainter.getInstance());  

            BufferedImage localBufferedImage = localJBarcode.createBarcode(barCode);  

            saveToJPEG(localBufferedImage, barCode+".jpg");

        }  

        catch (Exception localException) {  

            localException.printStackTrace();  

        }  

        return barCodePath;

}

    static void saveToJPEG(BufferedImage paramBufferedImage, String paramString) {  

        saveToFile(paramBufferedImage, paramString, "jpeg");  

    }  

    static void saveToFile(BufferedImage paramBufferedImage, String paramString1, String paramString2) {  

        try {  

            FileOutputStream localFileOutputStream = new FileOutputStream("/Users/mac/user/" + paramString1);  

            ImageUtil.encodeAndWrite(paramBufferedImage, paramString2, localFileOutputStream, 96, 96);  

            localFileOutputStream.close();  

        }  

        catch (Exception localException) {  

            localException.printStackTrace();  

        }  

    } 

第二种方法：

 public static void main(String[] paramArrayOfString)  

  {  

    try  

    {  

      JBarcode localJBarcode = new JBarcode(EAN13Encoder.getInstance(), WidthCodedPainter.getInstance(), EAN13TextPainter.getInstance());  

      //生成. 欧洲商品条码(=European Article Number)  

      //这里我们用作图书条码  

      String str = "693320970002";  

      BufferedImage localBufferedImage = localJBarcode.createBarcode(str);  

      saveToGIF(localBufferedImage, "EAN13.gif");  

      localJBarcode.setEncoder(Code39Encoder.getInstance());  

      localJBarcode.setPainter(WideRatioCodedPainter.getInstance());  

      localJBarcode.setTextPainter(BaseLineTextPainter.getInstance());  

      localJBarcode.setShowCheckDigit(false);  

      //xx  

      str = "JBARCODE-39";  

      localBufferedImage = localJBarcode.createBarcode(str);  

      saveToPNG(localBufferedImage, "Code39.png");  

    }  

    catch (Exception localException)  

    {  

      localException.printStackTrace();  

    }  

  }  

  static void saveToJPEG(BufferedImage paramBufferedImage, String paramString)  

  {  

    saveToFile(paramBufferedImage, paramString, "jpeg");  

  }  

  static void saveToPNG(BufferedImage paramBufferedImage, String paramString)  

  {  

    saveToFile(paramBufferedImage, paramString, "png");  

  }  

  static void saveToGIF(BufferedImage paramBufferedImage, String paramString)  

  {  

    saveToFile(paramBufferedImage, paramString, "gif");  

  }  

  static void saveToFile(BufferedImage paramBufferedImage, String paramString1, String paramString2)  

  {  

    try  

    {  

      FileOutputStream localFileOutputStream = new FileOutputStream("/Users/mac/user" + paramString1);  

      ImageUtil.encodeAndWrite(paramBufferedImage, paramString2, localFileOutputStream, 96, 96);  

      localFileOutputStream.close();  

    }  

    catch (Exception localException)  

    {  

      localException.printStackTrace();  

    }  

  }  

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Java 生产条形码代码